[Q] Constant crashing/rebooting on CM10 TPT US? - Thinkpad Tablet General

I used this guide
http://forum.xda-developers.com/showpost.php?p=32540070&postcount=15
I went from stock 4.0.3 to Koshu's CM10 0.8.1
I haven't installed or done anything after flashing, I just left the tablet on. I noticed that it crashes randomly/reboots.
I read that there are crashlogs in /proc/ but I don't even have that folder.
What can I do other than return to stock?
EDIT: I found that this thread is the same issue http://forum.xda-developers.com/showthread.php?t=1964655 and going into advanced settings and keeping wifi on at all times is a half solution. It appears to be an issue in Koshu's CM10 but I can't post about it in his thread.

jbamuro said:
I noticed that it crashes randomly/reboots.
I read that there are crashlogs in /proc/ but I don't even have that folder.
What can I do other than return to stock?
Click to expand...
Click to collapse
Koshu's ROM is working well for most people but is still in beta so abnormal behaviours are to be expected.
You can get logs with logcat and dmesg. There are threads on xda and Google about how to use them. Logcat for example can be invoked with apps on Play, adb or via a terminal.
It's up to you whether you can live with the crashes or not. Koshu is actively developing but has other priorities so we'll have to be patient for further bug-squashes. Especially since afaik there aren't any other third-party TPT ICS ROMs.

Stuck in bootloop. CWM still available. Can't establish adb connection.
jbamuro said:
I used this guide
http://forum.xda-developers.com/showpost.php?p=32540070&postcount=15
I went from stock 4.0.3 to Koshu's CM10 0.8.1
I haven't installed or done anything after flashing, I just left the tablet on. I noticed that it crashes randomly/reboots.
I read that there are crashlogs in /proc/ but I don't even have that folder.
What can I do other than return to stock?
EDIT: I found that this thread is the same issue http://forum.xda-developers.com/showthread.php?t=1964655 and going into advanced settings and keeping wifi on at all times is a half solution. It appears to be an issue in Koshu's CM10 but I can't post about it in his thread.
Click to expand...
Click to collapse
I had success following the same process: US 32GB wifi only Stock ICS -> DebugfsRoot -> install CWM -> flash CM10.0.8.1
JB was smooth and performance was great. Didn't mind the restarts if I left it idle for too long.
After a few days my TPT entered a bootloop and I have been stuck for a few days now. I can get to CWM recovery boot and re-flashed the CM10 ROM but still got the bootloop [boot hangs at CyanogenMod blue wheel screen]. I then flashed back to my rooted ICS backup but it hangs and reboots at the fancy Lenovo screen.
When I try to restore from my ICS backup, CWM gives an error that /data failed to restore properly. Someone posted with this same issue and they got passed it by formatting /data with NVFLASH. I tried suggestions from this Guide: How to Recover from a bootloop but I can't get an adb connection established.
Does anyone have any ideas/suggestions to get passed this bootloop issue? Thanks in advance for your help.

klock11 said:
I had success following the same process: US 32GB wifi only Stock ICS -> DebugfsRoot -> install CWM -> flash CM10.0.8.1
JB was smooth and performance was great. Didn't mind the restarts if I left it idle for too long.
After a few days my TPT entered a bootloop and I have been stuck for a few days now. I can get to CWM recovery boot and re-flashed the CM10 ROM but still got the bootloop [boot hangs at CyanogenMod blue wheel screen]. I then flashed back to my rooted ICS backup but it hangs and reboots at the fancy Lenovo screen.
When I try to restore from my ICS backup, CWM gives an error that /data failed to restore properly. Someone posted with this same issue and they got passed it by formatting /data with NVFLASH. I tried suggestions from this Guide: How to Recover from a bootloop but I can't get an adb connection established.
Does anyone have any ideas/suggestions to get passed this bootloop issue? Thanks in advance for your help.
Click to expand...
Click to collapse
http://forum.xda-developers.com/showpost.php?p=34643618&postcount=136
And there was a update.zip which formats /data for you. Koshu linked to it somewhere here... Maybe he will post it again

emuandco said:
http://forum.xda-developers.com/showpost.php?p=34643618&postcount=136
And there was a update.zip which formats /data for you. Koshu linked to it somewhere here... Maybe he will post it again
Click to expand...
Click to collapse
Thanks for the suggestion. When I do [advanced -> wipe dalvik cache] I get the following message:
E:unknown volume for path [/sd-ext]
I have a feeling you might be right about the dalvik cache from what I have read in other posts. Is there another way to wipe dalvik cache from CWM? I will search for the update.zip you mentioned in the mean time. Thanks again!

emuandco said:
http://forum.xda-developers.com/showpost.php?p=34643618&postcount=136
And there was a update.zip which formats /data for you. Koshu linked to it somewhere here... Maybe he will post it again
Click to expand...
Click to collapse
I found Koshu's post to wipe/format the data partition. Put format-data.zip on the external sd card. Booted to CWM and ran [install zip from sdcard -> choose zip from external sdcard -> format-data.zip]. I re-flashed CM10, restarted and am back in business! Thanks for pointing me in the right direction.

Related

Help! CWM not installed properly?! Bricked devices?

Hi folks,
5 day ago i rootet my tablet 16GB WE and installed Koshu`s CWM step by step like discribed in his threat [http://forum.xda-developers.com/showthread.php?t=1831161]. At the end there was an error message..., i was too quick and made an reboot bevor i could read it.
But i tested if i rooted the tablet succesfully and the superuser-app said that i am root now....
Then i installed the v.0.8.1 Version and everything was fine!
a few days later i got reboots during normal use.
Now i cant boot in the OS, there are bootloops the hole time.
I think that i have not installed the CWM correct...
Any ways to check this with adb commands or something else?
It would be great if someone could help me....
Sorry for my bad english!
Thomas
tpauli said:
Hi folks,
5 day ago i rootet my tablet 16GB WE and installed Koshu`s CWM step by step like discribed in his threat [http://forum.xda-developers.com/showthread.php?t=1831161]. At the end there was an error message..., i was too quick and made an reboot bevor i could read it.
But i tested if i rooted the tablet succesfully and the superuser-app said that i am root now....
Then i installed the v.0.8.1 Version and everything was fine!
a few days later i got reboots during normal use.
Now i cant boot in the OS, there are bootloops the hole time.
I think that i have not installed the CWM correct...
Any ways to check this with adb commands or something else?
It would be great if someone could help me....
Sorry for my bad english!
Thomas
Click to expand...
Click to collapse
You can still boot into CWM? Well you could make a backup of the installed recovery (like shown in the CWM thread) and check if the md5sums are equal to the downloaded image. Btw. linebreaks in the logcat would really help reading it
Koshu said:
You can still boot into CWM? Well you could make a backup of the installed recovery (like shown in the CWM thread) and check if the md5sums are equal to the downloaded image. Btw. linebreaks in the logcat would really help reading it
Click to expand...
Click to collapse
yes i can Boot into CWM, but i cant restore my backup. I tried to install cm10 clean again but after rebooting CWM and booting the OS Android is updating the apps. But i did a full wipe bevor.Thats why i think that the CWM is not in an good state.
i am in the road and maybe i can later check the md5sum.
I can attach an picture from the CWM during trying formating and fixing permissions.
thank you!
Problem solved
tpauli said:
yes i can Boot into CWM, but i cant restore my backup. I tried to install cm10 clean again but after rebooting CWM and booting the OS Android is updating the apps. But i did a full wipe bevor.Thats why i think that the CWM is not in an good state.
i am in the road and maybe i can later check the md5sum.
I can attach an picture from the CWM during trying formating and fixing permissions.
thank you!
Click to expand...
Click to collapse
Koshu helped me! The problem was, that my data partion was read only and my wipes befor and installs was more or less unusefull!
Big thanks to koshu!!!!!
tpauli said:
Koshu helped me! The problem was, that my data partion was read only and my wipes befor and installs was more or less unusefull!
Big thanks to koshu!!!!!
Click to expand...
Click to collapse
Hi. I have the same Problem. Can you tell me how Koshu helped to fix the problem.
the checksum and stuff. thx
florian1985 said:
Hi. I have the same Problem. Can you tell me how Koshu helped to fix the problem.
the checksum and stuff. thx
Click to expand...
Click to collapse
I linked a zip file in the CM10 Thread that formats the data partition: http://forum.xda-developers.com/showthread.php?t=1846044
You can find it in the "addition steps" section. Beware that it will delete all your personal data including the internal sd-card (also nandroid backups if you have stored them on the internal sdcard). So make sure you have EXTERNAL backups if you want to keep some of the data.
I have same problem
After install CM10 ,my TPT cant boot
I turn on My tablet and see loop forever logo : Lenovo ==> CyanogenMod....
Please help me, how to fix it ????
cachlanhuong said:
I have same problem
After install CM10 ,my TPT cant boot
I turn on My tablet and see loop forever logo : Lenovo ==> CyanogenMod....
Please help me, how to fix it ????
Click to expand...
Click to collapse
I have nearly the same problem.
I rooted my TPT a few weeks ago, today I was reading about Cyanogen and decided to install CWM. After some issues with the adb drivers, I managed to install the clockwork recovery.
Now I followed the steps from the cm-thread. I did a nandroid backup and wiped my tablet. After that, I flashed CM10. But all I get is the CyanogenMod logo spinning around.
I tried to go back to my nandroid backup, but it seems broken somehow.
I also tried several several CM-versions and downloaded them several times, without success. But I realised, that the installation procedure of CM was very quick, too quick maybe? Could it be that my clockworkmod isn't installed correctly, because the installation of CM and the nandroid backup won't work.
I hope you guys can help me out. Because I only could find nandroid backups for ROW and US version. I also don´t have adb access anymore.
TPT 16GB 3G WE
Ottilooping said:
I have nearly the same problem.
I rooted my TPT a few weeks ago, today I was reading about Cyanogen and decided to install CWM. After some issues with the adb drivers, I managed to install the clockwork recovery.
Now I followed the steps from the cm-thread. I did a nandroid backup and wiped my tablet. After that, I flashed CM10. But all I get is the CyanogenMod logo spinning around.
I tried to go back to my nandroid backup, but it seems broken somehow.
I also tried several several CM-versions and downloaded them several times, without success. But I realised, that the installation procedure of CM was very quick, too quick maybe? Could it be that my clockworkmod isn't installed correctly, because the installation of CM and the nandroid backup won't work.
I hope you guys can help me out. Because I only could find nandroid backups for ROW and US version. I also don´t have adb access anymore.
TPT 16GB 3G WE
Click to expand...
Click to collapse
Koshu helped me!
I linked a zip file in the CM10 Thread that formats the data partition: http://forum.xda-developers.com/showthread.php?t=1846044
You can find it in the "addition steps" section. Beware that it will delete all your personal data including the internal sd-card (also nandroid backups if you have stored them on the internal sdcard). So make sure you have EXTERNAL backups if you want to keep some of the data.
tpauli said:
Koshu helped me!
I linked a zip file in the CM10 Thread that formats the data partition: http://forum.xda-developers.com/showthread.php?t=1846044
You can find it in the "addition steps" section. Beware that it will delete all your personal data including the internal sd-card (also nandroid backups if you have stored them on the internal sdcard). So make sure you have EXTERNAL backups if you want to keep some of the data.
Click to expand...
Click to collapse
But how can formatting my data partition help? You mean after a format, the installation of cm would work?
And how do I use the .zip, just flashing with cwm?
Ottilooping said:
But how can formatting my data partition help? You mean after a format, the installation of cm would work?
And how do I use the .zip, just flashing with cwm?
Click to expand...
Click to collapse
You have to download the formatdata.zip on your external sd-card.
After that you can boot in the recovery and flash this .please dont juse the cwm! Do you know how to boot into the recovery?
Power on and during that you should drop-down the volume + key a few seconds.
This helped me and others.
Please read in this threat: http://forum.xda-developers.com/showthread.php?t=1831161
tpauli said:
You have to download the formatdata.zip on your external sd-card.
After that you can boot in the recovery and flash this .please dont juse the cwm! Do you know how to boot into the recovery?
Power on and during that you should drop-down the volume + key a few seconds.
This helped me and others.
Please read in this threat: http://forum.xda-developers.com/showthread.php?t=1831161
Click to expand...
Click to collapse
But I have no recovery anymore. The cwm replaced the "normal" recovery.
Ottilooping said:
But I have no recovery anymore. The cwm replaced the "normal" recovery.
Click to expand...
Click to collapse
Send me an photo from your "recovery"...
tpauli said:
Send me an photo from your "recovery"...
Click to expand...
Click to collapse
https://www.dropbox.com/s/xl9fx8rb8bpqgkf/IMG_20130212_110830.jpg
Here is the photo.
I was thinking about 2 possible solutions right now.
1. get another nandroid backup (Problem didnt see any for the 16gb WE version)
2. try no reflash another CWM version or maybe ventana cwm and try again to flash Cyanogen (don't know if its possible to just flash another recovery as an image with the current working recovery)
So what do you guys think?
Ottilooping -
You were running ICS before flashing to CM, right?
da_reeseboy said:
Ottilooping -
You were running ICS before flashing to CM, right?
Click to expand...
Click to collapse
Yes, thats correct.
Ottilooping said:
https://www.dropbox.com/s/xl9fx8rb8bpqgkf/IMG_20130212_110830.jpg
Here is the photo.
I was thinking about 2 possible solutions right now.
1. get another nandroid backup (Problem didnt see any for the 16gb WE version)
2. try no reflash another CWM version or maybe ventana cwm and try again to flash Cyanogen (don't know if its possible to just flash another recovery as an image with the current working recovery)
So what do you guys think?
Click to expand...
Click to collapse
That looks good!
My suggestion: Flash the formatdata.zip and than install the last v0.9.2 from koshu located here: http://forum.xda-developers.com/showthread.php?t=1846044
I was coming from ics too.
Problem solved. CM is running. Thanks for your help, exspecialy to you tpauli.
The formatdata.zip was the key
One last question. I am using the folio keyboard with an european layout (qwertz), but with Cyanogen it is us layout (qwerty). How can I change this?

[Q] Help! Thinkpad Tablet stuck in Bootloop, need to restore

Hello xda developers!
My thinkpad tablet has been stuck in a bootloop for about two weeks now, and after trying some of the solutions posted on the forums without success I am hoping that someone here can help me restore it to working condition.
The tablet is the 16GB WE model with 3G and it had the last software update from lenovo installed when the problem occurred, the 132 if I am not mistaken. The Android version was 4.0.3. I rooted the tablet about 1 week before the problem occurred and everything seemed fine.
What I have tried so far:
Wipe Cache
Wipe Data/Factory Reset
Reset Button
nvflash - quits because of a failed usb write?(even when run with root/admin rights...)
I only have the stock recovery installed and I cannot flash a nandroid backup from it. And I cannot install CWM recovery because I have no access to adb in the current condition of the tablet.
Any help would be greatly appreciated!
I'm having the same problem, but with diferent conditions, it was with koshu's CM10 rom and CWM recovery for about 3 weeks, and yesterday it got stuck in the boot.
What i tried:
- Wipe data/cache.
- Re-fash the ROM.
- Restore a nandroid backup of the original ICS ROM.
- Restore with the ICS dump posted by MasterofComputers.
Any one knows what could be the problem?
Another question, where i can download the OTA files from the lenovo site, i looked everywere and didn't found it.
nanogennari said:
I'm having the same problem, but with diferent conditions, it was with koshu's CM10 rom and CWM recovery for about 3 weeks, and yesterday it got stuck in the boot.
What i tried:
- Wipe data/cache.
- Re-fash the ROM.
- Restore a nandroid backup of the original ICS ROM.
- Restore with the ICS dump posted by MasterofComputers.
Any one knows what could be the problem?
Another question, where i can download the OTA files from the lenovo site, i looked everywere and didn't found it.
Click to expand...
Click to collapse
There are no real Update files. It uses small packs which only work if the former small ones are all installed in the right order
http://download.lenovo.com/slates/think/tablet1/
These are here
Any progress?
Sent from my Galaxy Nexus using Tapatalk 2
nanogennari said:
I'm having the same problem, but with diferent conditions, it was with koshu's CM10 rom and CWM recovery for about 3 weeks, and yesterday it got stuck in the boot.
Click to expand...
Click to collapse
Same problem here, also while using Koshu's CM10 ROM. But I don't think that's it is related or caused by that ROM, since OP is having the problem with the stock ROM.
The CM10 boot animation loops, suddenly freezes followed by the tablet vibrating and rebooting. I can enter recovery but reflashing didn't help. No solution so far.
Flow_ said:
Same problem here, also while using Koshu's CM10 ROM. But I don't think that's it is related or caused by that ROM, since OP is having the problem with the stock ROM.
The CM10 boot animation loops, suddenly freezes followed by the tablet vibrating and rebooting. I can enter recovery but reflashing didn't help. No solution so far.
Click to expand...
Click to collapse
Since you have cwm you can flash the format zip in the cm10 thread, which will clear everything and should fix the issue. Then reflash cm10.
da_reeseboy said:
Since you have cwm you can flash the format zip in the cm10 thread, which will clear everything and should fix the issue. Then reflash cm10.
Click to expand...
Click to collapse
Thanks for the hint about data-format.zip. But that didn't solved the problem for me. Instead I had to run e2fschk on the /data partition. I occurred to me that I was unable to keep /data mounted rw. This is usually an indication of a corrupted filesystem.
1. Boot into recovery
2. Use these commands after you get a shell with `adb shell`
Code:
umount /data
e2fsck /dev/block/mmcblk0p10
3. reflash the ROM
That solved the boot loop for me.
Hi.
We are discussing on the Lenovo Forum about bricked Thinkpad Tablets and for the moment we got some attention from Lenovo moderators and technical people.
http://forums.lenovo.com/t5/ThinkPa...1-Errors-on-Recovery-Menu/td-p/1055573/page/2
If you have a Thinkpad Tablet that can not be restores because :
1) The "factory reset" is not working (keeps looping on the Lenovo Animation)
or
2) The "Android system recovery <3e>" is not working. You can not access it (freeze on Booting Recovery Kernel Image") or if you can access it is showing errors and can not be used.
Please visit the forum and post your problem. And send to the Lenovo user NINE your problem description.
http://forums.lenovo.com/t5/ThinkPa...1-Errors-on-Recovery-Menu/td-p/1055573/page/2
I can not guarantee that Lenovo will solve our problems, but we have to take the opportunity to show them the problems we are having.
Regards
Martin
BOOT LOOP FIXed
put it into new THREAD
Hi.
If anybody have errors on the Recovery Menu you can ask Lenovo for "extended Coverage".
You need to contact your "Lenovo support in your country for assistance" and if they don't know about the "extended coverage", contact Mark from the Lenovo with a Personal Message thought their forum.
Please check: http://forums.lenovo.com/t5/ThinkPad-slate-tablets/Thinkpad-Tablet-1-Errors-on-Recovery-Menu/m-p/1459057#M28111%C2%A0 to see if you fit their conditions.
I hope this helps you.
Regards
Martin

[Q] i9505 /system mount trouble

Hi.
I've searched through a LOT of posts, but only found slightly related (and for me unhelpful) comments.
I have a GT-i9505 (i9505xxuame2), and rooted/flashed it using Odin / modified_cf_root. However, although I have succsessfully installed TWRP - AND have (seemingly) been able to make a full backup to my external sdcard, I am completely unable to install CM 10.1 nightly / AOKP (both i9505 versions).
Whenever i try this (via recovery of course), it always fails, reporting it was unable to mount /system. When restarting the phone, it just 'hangs' on the splash screen. The only solution then is to restore my backup, which works fine... HOWEVER, I suspect that since it has problems with the /system folder, It might not actually have backed this up, and that restore only works because /system happens to be untouced by my attempts to flash it.
Trying various tips & tricks found here on XDA - like manually mounting /system in TWRP, reflashing in Odin etc. has not helped me. I also noticed that when entering download-mode, it states that write protection is enabled (as in this thread - which unfortunatly also did not solve my problem: http://forum.xda-developers.com/showthread.php?t=2267107). I also tried CWM, but using this I'm unable to manually mount both /system, /sdcard AND extSdcard (or whatever extrenal memory was called... don't remember.. ) - and it of course has the same problems trying to flash either ROM.
My feeling is that my unit is not (fully) rooted, but like I said, I've been unable to find a solution. I really hope you can help, because I'd love to have CM on this delightful piece of hardware.
Schildkamp said:
Hi.
I've searched through a LOT of posts, but only found slightly related (and for me unhelpful) comments.
I have a GT-i9505 (i9505xxuame2), and rooted/flashed it using Odin / modified_cf_root. However, although I have succsessfully installed TWRP - AND have (seemingly) been able to make a full backup to my external sdcard, I am completely unable to install CM 10.1 nightly / AOKP (both i9505 versions).
Whenever i try this (via recovery of course), it always fails, reporting it was unable to mount /system. When restarting the phone, it just 'hangs' on the splash screen. The only solution then is to restore my backup, which works fine... HOWEVER, I suspect that since it has problems with the /system folder, It might not actually have backed this up, and that restore only works because /system happens to be untouced by my attempts to flash it.
Trying various tips & tricks found here on XDA - like manually mounting /system in TWRP, reflashing in Odin etc. has not helped me. I also noticed that when entering download-mode, it states that write protection is enabled (as in this thread - which unfortunatly also did not solve my problem: http://forum.xda-developers.com/showthread.php?t=2267107). I also tried CWM, but using this I'm unable to manually mount both /system, /sdcard AND extSdcard (or whatever extrenal memory was called... don't remember.. ) - and it of course has the same problems trying to flash either ROM.
My feeling is that my unit is not (fully) rooted, but like I said, I've been unable to find a solution. I really hope you can help, because I'd love to have CM on this delightful piece of hardware.
Click to expand...
Click to collapse
OMG! same issue here.. exactly, please HELP someone!!!
Format /system in recovery and then try flashing cm. It shouldn't be an issue mounting system if the partition is formated.
live-evil said:
Format /system in recovery and then try flashing cm. It shouldn't be an issue mounting system if the partition is formated.
Click to expand...
Click to collapse
Please elaborate for me,
Wipe does a format of the partition, is that enough or do I need to actually to use Format in the menu, as in kill the whole internal storage?
thanks
Linus
wipe is enough
live-evil said:
wipe is enough
Click to expand...
Click to collapse
thanks for the answer,
I hoped for that and also tried it.
No fun
I think I'll have to go for full format.
Just hope that does nothing bad >.<
Or is CWM maybe a better alternative?
DemonWareXT said:
thanks for the answer,
I hoped for that and also tried it.
No fun
I think I'll have to go for full format.
Just hope that does nothing bad >.<
Or is CWM maybe a better alternative?
Click to expand...
Click to collapse
what error message did you get?
I had the same problem yesterday in twrp 2.5.0.1 I just formated system and preload and factory resteted and then just rebooted and formated system again and it worked.
Grusburk said:
I had the same problem yesterday in twrp 2.5.0.1 I just formated system and preload and factory resteted and then just rebooted and formated system again and it worked.
Click to expand...
Click to collapse
Hehe I well tried that one,
no luck
interesting since 2.5.0.2 it says, unable to mount /system, and then promptly crashes
oh and the same happened in CWM
Hell XD
could I flash AOKP via odin maybe?
not like I like the idea >.<
It generally takes a few goes for the recovery to flash the rom in s4. Until someone works out what causes that bug in the recoviers you kind of just have to reboot and try again and again if necessary until it sticks.
live-evil said:
It generally takes a few goes for the recovery to flash the rom in s4. Until someone works out what causes that bug in the recoviers you kind of just have to reboot and try again and again if necessary until it sticks.
Click to expand...
Click to collapse
Aright, I think I found the way for me
Boot into recovery --> wipe system --> mount system --> if ok --> flash
if not ok --> retry the whole process
Strange stuff, but yay thanks all for your help
Schildkamp said:
Hi.
I've searched through a LOT of posts, but only found slightly related (and for me unhelpful) comments.
I have a GT-i9505 (i9505xxuame2), and rooted/flashed it using Odin / modified_cf_root. However, although I have succsessfully installed TWRP - AND have (seemingly) been able to make a full backup to my external sdcard, I am completely unable to install CM 10.1 nightly / AOKP (both i9505 versions).
Whenever i try this (via recovery of course), it always fails, reporting it was unable to mount /system. When restarting the phone, it just 'hangs' on the splash screen. The only solution then is to restore my backup, which works fine... HOWEVER, I suspect that since it has problems with the /system folder, It might not actually have backed this up, and that restore only works because /system happens to be untouced by my attempts to flash it.
Trying various tips & tricks found here on XDA - like manually mounting /system in TWRP, reflashing in Odin etc. has not helped me. I also noticed that when entering download-mode, it states that write protection is enabled (as in this thread - which unfortunatly also did not solve my problem: http://forum.xda-developers.com/showthread.php?t=2267107). I also tried CWM, but using this I'm unable to manually mount both /system, /sdcard AND extSdcard (or whatever extrenal memory was called... don't remember.. ) - and it of course has the same problems trying to flash either ROM.
My feeling is that my unit is not (fully) rooted, but like I said, I've been unable to find a solution. I really hope you can help, because I'd love to have CM on this delightful piece of hardware.
Click to expand...
Click to collapse
Crap. Have same problem.
I had this problem after flashing MH8 firmware (new bootloader) with Odin.
No matter what I tried in recovery I kept getting an error saying that it failed to mount system.
I had an older version of PhilZ on my ext SD luckily, so I flashed this, rebooted recovery then I could format system and it was mounted again.
then just flashed my newer recovery back and all was good
Hi guys,
it appears I'm having similar issues to you both but after 5 hours of constantly trying to fix this I'm still stuck! I've opened a new thread and I was wondering if you might be kind enough to help me out on there please?
Here's a link to the thread - would really appreciate any help you could provide... http://forum.xda-developers.com/showthread.php?p=46082532
Obagleyfreer said:
I had this problem after flashing MH8 firmware (new bootloader) with Odin.
No matter what I tried in recovery I kept getting an error saying that it failed to mount system.
I had an older version of PhilZ on my ext SD luckily, so I flashed this, rebooted recovery then I could format system and it was mounted again.
then just flashed my newer recovery back and all was good
Click to expand...
Click to collapse
DemonWareXT said:
Aright, I think I found the way for me
Boot into recovery --> wipe system --> mount system --> if ok --> flash
if not ok --> retry the whole process
Strange stuff, but yay thanks all for your help
Click to expand...
Click to collapse
Sh*t! Sorry:laugh: It really works! At least on my LG G2 D802. Thx, man!
---------- Post added at 01:46 PM ---------- Previous post was at 01:12 PM ----------
DemonWareXT said:
Aright, I think I found the way for me
Boot into recovery --> wipe system --> mount system --> if ok --> flash
if not ok --> retry the whole process
Strange stuff, but yay thanks all for your help
Click to expand...
Click to collapse
Sh*t! Sorry:laugh: It really works! At least on my LG G2 D802. Thx, man!

[Q&A] [ROM][LOLLIPOP][5.0][LRX21T][UNTOUCHED PURE STOCK][Nexus⁴]

Q&A for [ROM][LOLLIPOP][5.0][LRX21T][UNTOUCHED PURE STOCK][Nexus⁴]
Some developers prefer that questions remain separate from their main development thread to help keep things organized. Placing your question within this thread will increase its chances of being answered by a member of the community or by the developer.
Before posting, please use the forum search and read through the discussion thread for [ROM][LOLLIPOP][5.0][LRX21T][UNTOUCHED PURE STOCK][Nexus⁴]. If you can't find an answer, post it here, being sure to give as much information as possible (firmware version, steps to reproduce, logcat if available) so that you can get help.
Thanks for understanding and for helping to keep XDA neat and tidy!
So i kinda figured it out.
well, I sort of did something(i think) and its now working fine... I went to twrp.. did a factory reset. Then went for advance wipe and wiped system cache and dalvik. Then followed the same procedure. Bootloader-->radio-->Rom-->Kernel. It worked just fine. The first boot took some 15 minutes.
does the internal storage work for you? it works only on twrp for me :/
i can't see anything in file explorer and canìt restore from twrp :/ that's a big problem guys.
If you can not see your old nandroid backups
After rooting If you can not see your old nandroid backups
Via file explorers try to enable usb debuging from
dev. opt. if not worked (Recovires or SuperSU issue)
But you can see and restore your old or new backups via recovery (TWRP tested)
New recoveries and superSU may fix this issues.
Want to ask? SuperSU XDA Thread here
Note: SE Linux Mod Changer may help to fix this issue
Recommended Recovery is TWRP 2.8.1.0
​
HunterAtXDA said:
I also got this message
Code:
unmount of /system failed: no such volume
followed by
Code:
unmount of /data failed: no such volume
a few minutes later. The process finished a few minutes later without any more output but I'm booting now after wiping the cache and everything seems fine.
Click to expand...
Click to collapse
I had the this same problem. After installing everything, I let it sit for 20 minutes and it finally showed the Android logo. After that it was stuck on a black screen. I wiped everything and repeated the install procedure again, minus the kernal, and got the same "unmount of /system failed: no such volume" while flashing the rom zip. It booted after a while and everything works except my storage is FUKT. I cant see any of my pictures, music, etc, and the only thing I see via PC is the DCIM folder which is empty. Not cool
mattgrantlackey said:
I had the this same problem. After installing everything, I let it sit for 20 minutes and it finally showed the Android logo. After that it was stuck on a black screen. I wiped everything and repeated the install procedure again, minus the kernal, and got the same "unmount of /system failed: no such volume" while flashing the rom zip. It booted after a while and everything works except my storage is FUKT. I cant see any of my pictures, music, etc, and the only thing I see via PC is the DCIM folder which is empty. Not cool
Click to expand...
Click to collapse
Recommended Recovery is TWRP 2.8.1.0
mattgrantlackey said:
I had the this same problem. After installing everything, I let it sit for 20 minutes and it finally showed the Android logo. After that it was stuck on a black screen. I wiped everything and repeated the install procedure again, minus the kernal, and got the same "unmount of /system failed: no such volume" while flashing the rom zip. It booted after a while and everything works except my storage is FUKT. I cant see any of my pictures, music, etc, and the only thing I see via PC is the DCIM folder which is empty. Not cool
Click to expand...
Click to collapse
Nothing wrong with my storage. I installed the bootloader, radio, and rom on top of my existing 4.4.4 rom by sideloading in CWM. Wiped caches and rebooted to make sure everything was working, then back to CWM to sideload the kernel. I haven't rooted yet.
HunterAtXDA said:
Nothing wrong with my storage. I installed the bootloader, radio, and rom on top of my existing 4.4.4 rom by sideloading in CWM. Wiped caches and rebooted to make sure everything was working, then back to CWM to sideload the kernel. I haven't rooted yet.
Click to expand...
Click to collapse
Did you have the "unmount of /system failed: no such volume" while flashing the rom zip?
mattgrantlackey said:
Did you have the "unmount of /system failed: no such volume" while flashing the rom zip?
Click to expand...
Click to collapse
Yes, and a similar error about /data
JaMeVu said:
Recommended Recovery is TWRP 2.8.1.0
Click to expand...
Click to collapse
Same error after using ADB to flash v2.8.1.0 TWRP, full wipe, and reinstall of everything in the correct procedure. My storage is still not working.
mattgrantlackey said:
Same error after using ADB to flash v2.8.1.0 TWRP, full wipe, and reinstall of everything in the correct procedure. My storage is still not working.
Click to expand...
Click to collapse
try this
enable usb debuging via dev opt.
connect phone to pc
put files to your sd card then reboot to recovery then flash
JaMeVu said:
try this
enable usb debuging via dev opt.
connect phone to pc
put files to your sd card then reboot to recovery then flash
Click to expand...
Click to collapse
I always enable usb debugging, didn't help. And as far as the file transfer, it won't let me. I can only access it while in TWRP. All my files are there, its just android can't see them, and wont show under windows either. Not sure what the issue is there, I've tried everything I know of. I'll just flash CM12 that I was using before. Let me know if you figure out this problem, as I'm curious as to what is causing it (and I'm not the only one having it).
mattgrantlackey said:
Wont let me. I can only access it while in TWRP. All my files are there, its just android can't see them, and wont show under windows either. Not sure what the issue is there, I've tried everything I know of. I'll just flash CM12 that I was using before. Let me know if you figure out this problem, as I'm curious as to what is causing it (and I'm not the only one having it).
Click to expand...
Click to collapse
re plug usb cable take it of then plug
no we do not have this kind of problem here many phones we tested and flashed
JaMeVu said:
re plug usb cable take it of then plug
no we do not have this kind of problem here many phones we tested and flashed
Click to expand...
Click to collapse
Same problems as me:
spupuz said:
does the internal storage work for you? it works only on twrp for me :/
i can't see anything in file explorer and canìt restore from twrp :/ that's a big problem guys.
Click to expand...
Click to collapse
spupuz said:
big big problem can't see the internal storage partition at all.
Click to expand...
Click to collapse
mattgrantlackey said:
Same problems as me:
spupuz said:
big big problem can't see the internal storage partition at all.
Click to expand...
Click to collapse
try re flash everything but not autoroot using..
Click to expand...
Click to collapse
try re flash everything but not autoroot using..[/QUOTE]
All of this was without autoroot. Don't worry about it man, I just installed my old rom. For some reason this ROM doesn't like me and spupuz's phone. Thanks for trying to help me, I appreciate your time. Let me know if someone else has the issue and you figure it out, I'm very curious as to what it might be.
mattgrantlackey said:
try re flash everything but not autoroot using..
Click to expand...
Click to collapse
All of this was without autoroot. Don't worry about it man, I just installed my old rom. For some reason this ROM doesn't like me and spupuz's phone. Thanks for trying to help me, I appreciate your time. Let me know if someone else has the issue and you figure it out, I'm very curious as to what it might be.[/QUOTE]
ok but we test it many phones and 1500+ downloads
may be u are using multirom ? or multirom twrp ?
JaMeVu said:
ok but we test it many phones and 1500+ downloads
may be u are using multirom ? or multirom twrp ?
Click to expand...
Click to collapse
Nope, no multirom or multirom twrp. I have no idea.
After rooting If you can not see your old nandroid backups
Via file explorers try to enable usb debuging from
dev. opt. if not worked (Recovires or SuperSU issue)
But you can see and restore your old or new backups via recovery (TWRP tested)
New recoveries and superSU may fix this issues.
Want to ask? SuperSU XDA Thread here
Note: SE Linux Mod Changer may help to fix this issue
Recommended Recovery is TWRP 2.8.1.0
​
I flashed this ROM this morning, and I initially had the weird can't unmount /system error. I rewiped, using twrp to ensure that /system was wiped too. Install went fine. I have a weird glitch or something on my recent apps list, though. I attached a picture. Anyone know what this is? It doesn't seem to be causing any functional problem, but it looks bad.
Edit: I cleared the cache for google now launcher, and restarted recovery and wiped my cache partition and the error went away.

[HOW-TO] Updating Nook HD+ Internal EMMC from CM11 to LN14.1

Caveat emptor: adopt/follow this guide at your own risk.
Below is a procedure that can be used to update your HD+ EMMC to LN14.1 from CM11 (if your HD+ is currently running stock ROM, use the process described at https://forum.xda-developers.com/nook-hd/general/how-to-installing-ln14-1-internally-hd-t3562810/).
Download the following files to a location in your user content-media storage space on the HD+:
amaces' flashable TWRP zip file, e.g., twrp-3.0.1-0-ovation.zip ( https://notredame.app.box.com/s/26a4bygh9vbaw7jjq08xr5evomvaw5ww/1/3332706778)
amaces' flashable LN14.1 ROM zip file, e.g., lnos_ovation-ota-NMF26Q.170104.zip from https://notredame.app.box.com/s/26a4bygh9vbaw7jjq08xr5evomvaw5ww/1/3332706778
the flashable zip file of the Gapps pico package open_gapps-arm-7.1-pico-2017[mmdd].zip from http://opengapps.org/
Boot into your current EMMC recovery.
Select install zip and install the TWRP recovery zip file obtained in step 1(a).
Power off the Nook.
Boot into the new TWRP recovery flashed in the step 3 (press and hold the Home button, then press and hold the Power button until after the CyanoBoot Universal Bootloader screen comes on, then release both buttons).
Select wipe /data & factory reset.
Select install zip and install the LN14.1 zip file.
Select install zip and install the Gapps zip file.
Reboot into the new LN14.1.
Once the Nook completes the boot (be patient as it takes quite a bit of time), set up the Wifi connectivity and your Google account info. Note that the Apps you previously have on CM11 will not be auto-downloaded/restored into your new LN14.1.
If you run into problems during initial setup:
- absence of WiFi network setup step: see this post
- setup process crashes (as have been reported with some combos of ROM and GApps build versions): retry the clean install process with the sequence of steps # 6, #7 & #9 (i.e., skipping over step #8 flashing GApps) and complete the initial setup, then reboot into TWRP to flash GApps; see also https://forum.xda-developers.com/showpost.php?p=72104906&postcount=37 for solution for other setup crash causes.
To enable "Root", see https://forum.xda-developers.com/showpost.php?p=72185622&postcount=1915.
Notes
If you encounter errors in step 3 (using your existing CWM recovery to flash the new TWRP zip file):
- If you have a SD card handy, consider using the procedure described at https://forum.xda-developers.com/nook-hd/general/how-to-installing-ln14-1-internally-hd-t3562810.
- Otherwise, you can try to flash the flashable TWRP zip file available at http://www.mediafire.com/file/3gj4g9j1x363dor/cwm-flashable_twrp-3.0.1-0-ovation.zip.
Please post any comment/question on the features or performance of AOSP & LN ROM builds on the Developer's thread at https://forum.xda-developers.com/nook-hd/development/marshmallow-nook-hd-hd-t3239269.
I'm on CM11 and am getting hung up trying to install TWRP. I get:
This package is for device: ovation; this device is .
Status 7
Installation aborted
Tips?
I'm running EMMC CWM v6.0.4.6
stupid_nut said:
I'm on CM11 and am getting hung up trying to install TWRP. I get:
This package is for device: ovation; this device is .
Status 7
Installation aborted
Tips?
I'm running EMMC CWM v6.0.4.6
Click to expand...
Click to collapse
Is your device a Nook HD+?
digixmax said:
Is your device a Nook HD+?
Click to expand...
Click to collapse
Made me question myself but yes.
Nook HD+
I'm running 11-2014-1112-SNAPSHOT-M12-ovation
Even wiped and backed up to a fresh copy of CM. The system info even says the device is ovation. Bit confused. Any ideas?
stupid_nut said:
Made me question myself but yes.
Nook HD+
I'm running 11-2014-1112-SNAPSHOT-M12-ovation
Even wiped and backed up to a fresh copy of CM. The system info even says the device is ovation. Bit confused. Any ideas?
Click to expand...
Click to collapse
Have you tried flashing TWRP through their official app? I think I also had trouble trying to flash TWRP through CWM, but the app worked at the time.
You could also flash internal TWRP through Amaces's multi mode bootable SD recovery. It does mean you'd need to setup a spare SD card for it, but it can be good to have handy anyway [emoji6]
stupid_nut said:
Made me question myself but yes.
Nook HD+
I'm running 11-2014-1112-SNAPSHOT-M12-ovation
Even wiped and backed up to a fresh copy of CM. The system info even says the device is ovation. Bit confused. Any ideas?
Click to expand...
Click to collapse
I can't tell why the update script doesn't identify your device as "ovation".
If you have an SD card handy, I'd suggest that you try the procedure described at https://forum.xda-developers.com/nook-hd/general/how-to-installing-ln14-1-internally-hd-t3562810. Otherwise, you can try to flash the flashable TWRP zip file available at http://www.mediafire.com/file/3gj4g9j1x363dor/cwm-flashable_twrp-3.0.1-0-ovation.zip.
Thanks guys!
I just ended up using the SD card procedure. TWRP app failed as well. CM11 was slowing to a crawl on the NookHD+ so hopefully Lineage will give it new life!
error 20 on gapps (you don't have Android 7)
Hi, had CM11 on my HD+ for over a year. Unfortunately I left it on til battery completely discharged the other night, and even after charging to 100%, it would only go in a boot loop. (cyanogenmod bootloader, then robot face, then cyanogenmod bootloader again, then robot face again, etc, nonstop). So I thought, why not wipe it and put Lineage on?
So first following the link from this thread, for doing a from scratch install (not the link for if you have CM11 since it wasn't even booting for me, so assuming corrupt),
I got to the point of installing TWRP, and it failed with a zip signature verification error. So okay, I uncheck that verification box, and it appeared to install okay. Onto the lnos zip file. As a precaution, I also unchecked the verification box (thinking it might fail like the TWRP install), and besides a couple messages about "E: unknown command [LOG] " which I ignored (from what I read online can be safely ignored?) , and it took a good while (10 or more minutes? didn't time it) and says "script succeeded: result was [10000000] ,updating partition details, ....done" So I assumed it installed? Then tried installing open_gapps-arm-7.1-pico-20170329.zip, and it fails with "This GApps pkg is for Android 7.1.X only. Please download the correct version for your ROM: 4.4.4.(SDK 19) GApps installation failed No changes were made to your device. Installer will now exit Error Code: 20" and install failed basically. So I reboot and what do you know I still see the CM boot loop going on. Does this mean the old CM11 OS is still installed? Or just a bootloader? And if I press "N" I see TWRP as an option, as well as CM (legacy) So I boot to TWRP and go to Wipe, but this time, do Advanced, and select to wipe all items except external SD. Restart, and same CM boot loop is going on. (I had done the basic Wipe before that)
So something isn't right here, or I'm missing some steps? Any help please?
baytee said:
...
So something isn't right here, or I'm missing some steps? Any help please?
Click to expand...
Click to collapse
Since you're posting in this thread, I can't tell if you have tried the alternative procedure in this thread https://forum.xda-developers.com/nook-hd/general/how-to-installing-ln14-1-internally-hd-t3562810.
digixmax said:
Since you're posting in this thread, I can't tell if you have tried the alternative procedure in this thread https://forum.xda-developers.com/nook-hd/general/how-to-installing-ln14-1-internally-hd-t3562810.
Click to expand...
Click to collapse
YES I tried both procedures. In fact I tried that link you have for "installing new" procedure first But it failed on the Gapps part. And like I said the previous CM11 (at least boot part) seems corrupt as its stuck in a boot loop. So ideally if it's not riskier, I was attempting to wipe off the old system. (unless by checking all the boxes except SD, under Wipe, Advanced, I did accomplish that? and just the boot/bootloader portion remains?
baytee said:
...
So first following the link from this thread, for doing a from scratch install (not the link for if you have CM11 since it wasn't even booting for me, so assuming corrupt),
I got to the point of installing TWRP, and it failed with a zip signature verification error. So okay, I uncheck that verification box, and it appeared to install okay. Onto the lnos zip file. As a precaution, I also unchecked the verification box (thinking it might fail like the TWRP install), and besides a couple messages about "E: unknown command [LOG] " which I ignored (from what I read online can be safely ignored?) , and it took a good while (10 or more minutes? didn't time it) and says "script succeeded: result was [10000000] ,updating partition details, ....done" So I assumed it installed? Then tried installing open_gapps-arm-7.1-pico-20170329.zip, and it fails with "This GApps pkg is for Android 7.1.X only. Please download the correct version for your ROM: 4.4.4.(SDK 19) GApps installation failed No changes were made to your device. Installer will now exit Error Code: 20" and install failed basically. So I reboot and what do you know I still see the CM boot loop going on. Does this mean the old CM11 OS is still installed? Or just a bootloader?
Click to expand...
Click to collapse
It appears that the old CM11 ROM is still there, the "... succeed ... " message notwithstanding.
The problem behavior seems to be pointing to the possibility that your EMMC is hosed (not readable/writeable). You can test this by trying to re-install stock ROM (see #6 of https://forum.xda-developers.com/showthread.php?t=2062613).
And if I press "N" I see TWRP as an option, as well as CM (legacy)
Click to expand...
Click to collapse
These are just the choices of TWRP & CWM recovery available on the SD.
So I boot to TWRP and go to Wipe, but this time, do Advanced, and select to wipe all items except external SD. Restart, and same CM boot loop is going on. (I had done the basic Wipe before that)
...
Click to expand...
Click to collapse
You should never need to wipe anything other than /data and /cache (/system typically gets wiped automatically (aka reformatted) as part of the process of flashing a new ROM version).
digixmax said:
It appears that the old CM11 ROM is still there, the "... succeed ... " message notwithstanding.
The problem behavior seems to be pointing to the possibility that your EMMC is hosed (not readable/writeable). You can test this by trying to re-install stock ROM (see #6 of https://forum.xda-developers.com/showthread.php?t=2062613).
.
Click to expand...
Click to collapse
I downloaded the stock rom zip , put it on sdcard, booted to TWRP, didn't do any Wipe but clicked Install, chose that zip, unchecked zip signature verification, swiped to start it, get:
"Failed to retouch '/system/lib/libemoji.so'.
Updater process ended with ERROR: 7
Error installing zip file '/external_sd/NookHDplus-stock-2.1.1.-rooted.zip'
Updating partition details...
...done
So, any hope for my HD+ ? If eMMC IS hosed as you mention, what causes this? And are there any tricks to UN-Hose it? Or is it now a useless dead tablet? Why would my battery going to zero screw things up so badly?
baytee said:
I downloaded the stock rom zip , put it on sdcard, booted to TWRP, didn't do any Wipe but clicked Install, chose that zip, unchecked zip signature verification, swiped to start it, get:
"Failed to retouch '/system/lib/libemoji.so'.
Updater process ended with ERROR: 7
Error installing zip file '/external_sd/NookHDplus-stock-2.1.1.-rooted.zip'
Updating partition details...
...done
Click to expand...
Click to collapse
To flash stock ROM you need CWM version 6.0.2.8 attached at the end of the post I referenced.
So, any hope for my HD+? If eMMC IS hosed as you mention, what causes this? And are there any tricks to UN-Hose it? Or is it now a useless dead tablet?
Click to expand...
Click to collapse
If your EMMC is dead, you can try to run CM11 entirely off an SD card -- see https://iamafanof.wordpress.com/201...-4-4-4-for-bricked-no-emmc-nook-hd-04nov2014/.
My Hd is one of those that won't reliably boot to sd card. Any possibility for unbricking , Similar to these (though these steps are for nook tablet, not HD)?
https://forum.xda-developers.com/showthread.php?t=1513583http://bishoptec.com/2012/06/how-to-un-brick-a-nook-tablet-8gb-or-16gb/
baytee said:
My Hd is one of those that won't reliably boot to sd card. Any possibility for unbricking , Similar to these (though these steps are for nook tablet, not HD)?
https://forum.xda-developers.com/showthread.php?t=1513583http://bishoptec.com/2012/06/how-to-un-brick-a-nook-tablet-8gb-or-16gb/
Click to expand...
Click to collapse
That "tool" for unbricking the NT also boots and runs off a SD card.
While it never reliably booted to the cm11 OS on the sdcard, it's been booting okay lately to recovery at least Twrp maybe even cwm , so assuming I can boot to those , again,does that repair option for NT also work for HD+?
baytee said:
While it never reliably booted to the cm11 OS on the sdcard, it's been booting okay lately to recovery at least Twrp maybe even cwm , so assuming I can boot to those , again,does that repair option for NT also work for HD+?
Click to expand...
Click to collapse
The NT unbricking tool only works for the NT.
Assuming your EMMC is not dead, and its factory-installed partition structure is not corrupted or altered, you can accomplish the same end-goal as the NT tool does by re-flashing to stock ROM using the files linked in the post I had referenced in my earlier reply.
​
digixmax said:
The NT unbricking tool only works for the NT.
Assuming your EMMC is not dead, and its factory-installed partition structure is not corrupted or altered, you can accomplish the same end-goal as the NT tool does by re-flashing to stock ROM using the files linked in the post I had referenced in my earlier reply.
Click to expand...
Click to collapse
Thank you but again , i tried that already and it failed, which is why I was asking if any of those procedures in the links I posted would work, which u already indicated the NT one wouldn't. I've seen various other xda posts talking about either ADB or partitioning or formatting commands. Was just hoping this HD+ wasn't dead and that I could somehow hack this back to life instead of chucking it in the trash....
baytee said:
​
Thank you but again , i tried that already and it failed, which is why I was asking if any of those procedures in the links I posted would work, which u already indicated the NT one wouldn't. I've seen various other xda posts talking about either ADB or partitioning or formatting commands. Was just hoping this HD+ wasn't dead and that I could somehow hack this back to life instead of chucking it in the trash....
Click to expand...
Click to collapse
The stock rom you tried to install was the rooted version that I customized. Try a plain stock rom from that same thread. Try an older version. That error was a common one for some devices.
Sent from my SM-T707V using XDA Premium HD app
Will this guide also work on the Nook HD? (Using the equivalent Hummingbird files, of course).

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