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Hi, today i wanted to do a factory reset and clean install my phone
im using TWRP 2.3.3.3
after factory reset in the wipe menu, at the end i see a line E:/error opening '/data/lost+found'
basically i know what does lost+found folder does in linux, but i forgot whether i have seen such error line before when i do factory resets.
in the file manager of TWRP i then see /media and /lost+found in the /data partition. when pressing into /lost+found, TWRP cannot open it
after this, wiping /system will also give me the same message at the end even it is "Done", as well as cache and dalvik, etc
then i go on flash rom, gapps, kernel, after 1 or 2 boots i go back to recovery and wipe cache, there are no such line anymore
however there is now TWO /lost+found folder in my /data partition
is this a normal behaviour? i didnt pay attention but are there 2 lost+found folders in /data partition for everyone else too?
i have backed up my sdcard and is ready for a /data wipe, any advice is appreciated. thanks in advance!
update: well really hasnt seen it anywhere tried very hard searching on google
maybe just **** happens sometime as i rushed updating the su binary together with restoring android ID in titanium backup altogether without carefully rebooting etc.
factory reset, formating every partition for N times didnt help. returned to completely stock (unlocked bootloader ofcourse), flash twrp 2.3.3.3 clean and no more that line anymore after factory reset. hell gonna start my sdcard restore now...
Miasmic said:
update: well really hasnt seen it anywhere tried very hard searching on google
maybe just **** happens sometime as i rushed updating the su binary together with restoring android ID in titanium backup altogether without carefully rebooting etc.
factory reset, formating every partition for N times didnt help. returned to completely stock (unlocked bootloader ofcourse), flash twrp 2.3.3.3 clean and no more that line anymore after factory reset. hell gonna start my sdcard restore now...
Click to expand...
Click to collapse
I was researching google for this same exact error message, when I came across your thread. I doubt you are still having this issue, but I wanted to reply with the solution in case anyone else comes across this post. I was able to solve this error message by installing a new ROM. It doesn't matter which one you install, any will do. Then open your file manager of choice, of course one which can go up to root level. Browse to /data, and then you should notice that you do not have a lost+found folder. However, you should see a lost+found file, all the way at the bottom. I renamed this file to lost+foundOLD, and then created a new folder called lost+found. Next, reboot into recovery and once again wipe both caches, system and factory reset. You should no longer get the lost+found error. Make sure to fix permissions as well to make sure.
just had this issue and was solved by dropping back to twrp 2.4.x.x and doing data format.
misspost
mitchallica said:
I was researching google for this same exact error message, when I came across your thread. I doubt you are still having this issue, but I wanted to reply with the solution in case anyone else comes across this post. I was able to solve this error message by installing a new ROM. It doesn't matter which one you install, any will do. Then open your file manager of choice, of course one which can go up to root level. Browse to /data, and then you should notice that you do not have a lost+found folder. However, you should see a lost+found file, all the way at the bottom. I renamed this file to lost+foundOLD, and then created a new folder called lost+found. Next, reboot into recovery and once again wipe both caches, system and factory reset. You should no longer get the lost+found error. Make sure to fix permissions as well to make sure.
Click to expand...
Click to collapse
No his error and mine are different. We have two lost+found dir and no file. If i delete them and make new lost+found folder. It automatically makes 2.
I am having this same problem. I just did a restore to my last backup, but it in TWRP it says mentions the error over and over again. I looked in /data and I found about 10 files called lost+found, but I do not have any folders. Any suggestions?
Full Format data worked for me
NVijapura said:
I am having this same problem. I just did a restore to my last backup, but it in TWRP it says mentions the error over and over again. I looked in /data and I found about 10 files called lost+found, but I do not have any folders. Any suggestions?
Click to expand...
Click to collapse
I just encountered this problem after updating a CM nightly and it bricked my phone. Restoring from a nandroid backup would ultimately fail and I was getting all kinds of weird problems (stuck in boot loop, graphics appearing garbled, etc). After looking closer at the logs during restore, I noticed E:/error opening '/data/lost+found' appearing several times, an then it would indicate 'done' and restart but would end up with the same problems.
Even after doing a factory reset, I had no luck in restoring my phone. So I did a factory reset again and installed a CM stable release thinking maybe my ROM / backup was messed up but noticed the same E:/error opening '/data/lost+found' message. However, this time around I managed to get booted far enough where I could connect via USB and backup files from my internal memory to my computer.
At this point I booted into recovery (TWRP 2.5.0.0) and did a full wipe including internal SD using the Format Data option, whereupon I was able to install the CM stable release without issue - no more lost+found error! I then upgraded to the nightly version of my backup and restored with success. Long and stressful night...
szurheal said:
I just encountered this problem after updating a CM nightly and it bricked my phone. Restoring from a nandroid backup would ultimately fail and I was getting all kinds of weird problems (stuck in boot loop, graphics appearing garbled, etc). After looking closer at the logs during restore, I noticed E:/error opening '/data/lost+found' appearing several times, an then it would indicate 'done' and restart but would end up with the same problems.
Even after doing a factory reset, I had no luck in restoring my phone. So I did a factory reset again and installed a CM stable release thinking maybe my ROM / backup was messed up but noticed the same E:/error opening '/data/lost+found' message. However, this time around I managed to get booted far enough where I could connect via USB and backup files from my internal memory to my computer.
At this point I booted into recovery (TWRP 2.5.0.0) and did a full wipe including internal SD using the Format Data option, whereupon I was able to install the CM stable release without issue - no more lost+found error! I then upgraded to the nightly version of my backup and restored with success. Long and stressful night...
Click to expand...
Click to collapse
All you simply have to do when this happens, is format data ( the one where you type yes ). After this, everything SHOULD be back to normal, for the most part.
scwied17 said:
All you simply have to do when this happens, is format data ( the one where you type yes ). After this, everything SHOULD be back to normal, for the most part.
Click to expand...
Click to collapse
That worked perfectly. Thanks!!!
scwied17 said:
All you simply have to do when this happens, is format data ( the one where you type yes ). After this, everything SHOULD be back to normal, for the most part.
Click to expand...
Click to collapse
Worked perfect for me. Very easy to miss that simple "Format Data" button in TWRP. Simply type 'yes' and problem solved.
I think I got this error when I flashed SlimKAT 4.4 over on my P880 and I had the USB cable plugged in and the partitions mounted (as I had just transferred the install.zip to my phone)
leijonasisu said:
Worked perfect for me. Very easy to miss that simple "Format Data" button in TWRP. Simply type 'yes' and problem solved.
I think I got this error when I flashed SlimKAT 4.4 over on my P880 and I had the USB cable plugged in and the partitions mounted (as I had just transferred the install.zip to my phone)
Click to expand...
Click to collapse
Can i get some help please. I cant format data via TWRP, it says "E: unable to wipe data, unknow fle system, auto, unable to format to remove encryption". I did not put any encryption. What to do?
So guys, I downloaded the latest CM nightly through the CMupdater app, I rebooted into recovery TWRP 2.6.3.0 at that moment I think, when I tried to flash my update it said "Unable to mount /system" and just stood there, I rebooted into recovery again and tried to mount it from the mounts menu without result.
Next I updated to the latest TWRP but the problem persisted, changed to the latest CWM and that too, is unable to mount /system displaying the message "Error mounting /system!"
I seriously don't want to lose my data as this was a simple update so I didn't make a backup but I don't know what the hell else I'm supposed to do.
Oh and BTW, trying to boot to system leaves me at the Google screen for an indefinite amount of time.
Thanks in advance
Edit:Turns out formatting system doesn't delete my data, I got impatient and did that, problem solved.
Fidelator said:
So guys, I downloaded the latest CM nightly through the CMupdater app, I rebooted into recovery TWRP 2.6.3.0 at that moment I think, when I tried to flash my update it said "Unable to mount /system" and just stood there, I rebooted into recovery again and tried to mount it from the mounts menu without result.
Next I updated to the latest TWRP but the problem persisted, changed to the latest CWM and that too, is unable to mount /system displaying the message "Error mounting /system!"
I seriously don't want to lose my data as this was a simple update so I didn't make a backup but I don't know what the hell else I'm supposed to do.
Oh and BTW, trying to boot to system leaves me at the Google screen for an indefinite amount of time.
Thanks in advance
Turns out formatting system doesn't delete my data, I got impatient and did that, problem solved.
Click to expand...
Click to collapse
Can you add SOLVED to the thread title..
Glad to see everything is ok :good:
Thx Josh
So, i just started getting this same error after updating to TWRP 2.8.2.0, I tried wiping the system and still got the error? I downgraded to TWRP 2.8.1.0 and wiped system again, and that seemed to fix the issue. Not sure if it was my own bug or 2.8.2.0 but just wanted to leave feedback for the next person who may be searching for help.
[Q] TWRP backup fails on data partition "E: Unable to stat /data/data/../cache/ .. "
Whenever I try a full nandroid backup in TWRP it always fails once it gets a few hundred files into the data partition. However, it does complete the backup when the data partition isn't selected.
When I first start the backup a bunch of different red error messages come up for various cache files in the data partition.
"E: Unable to stat '/data/data/[variousapp]/cache/[stuff]/[hashvalue?]' "
I've got a rooted T-Mobile Note 3 with Jedi Elite ROM and TWRP 2.8.1.0, however I'm not completely sure that my phone is legitimately rooted. If I try to open the SuperSU app it says "There is no SuperSU binary installed,...", and applications constantly achieve root access then get denied it moments later. Or sometimes the applications achieve root access with no further issues, it's quite random.
Does anyone have any idea what could be going on?
EDIT: It also should be noted that the files in the error messages can be found when using the TWRP file manager, but when using any file manager application with the OS booted the "/data" folder appears empty.
Anyone have any idea?
Thanks
Well.... from the top of my head I would try to do these things:
1) install one of those "check to see if I am rooted" apps and run it.
2) flash a kernel that has been prerooted, i.e.:that it installs the SU binary to the appropriate location.
3) flash one of those .zip packages in twrp that root your phone.
4) check to see if you can make twrp install root for you ( i think when it doesn't detect root binary it offers to do that).
5) reinstall rom only part as a last resort?
Once you restore proper root access you might need to restore proper SELinux labels to /cache /system /data.
Let me know if you get to this part and need specific instructions.
Best of luck
CekMTL said:
Well.... from the top of my head I would try to do these things:
1) install one of those "check to see if I am rooted" apps and run it.
2) flash a kernel that has been prerooted, i.e.:that it installs the SU binary to the appropriate location.
3) flash one of those .zip packages in twrp that root your phone.
4) check to see if you can make twrp install root for you ( i think when it doesn't detect root binary it offers to do that).
5) reinstall rom only part as a last resort?
Once you restore proper root access you might need to restore proper SELinux labels to /cache /system /data.
Let me know if you get to this part and need specific instructions.
Best of luck
Click to expand...
Click to collapse
I flashed the latest SuperSU.zip and that ended up fixing root access. The Root Checker app verifies it as well as other applications being granted root access.
I tried flashing CF-Auto-Root in TWRP and it fails.
How do I restore the SELinux labels for those directories?
You caught me on my way to bed but here are the instructions:
From terminal or adb shell
su
ll -Z
(check for any "unlabeled" text for /data /cache /system)
restorecon -Rv /cache
restorecon -Rv /data
mount -o remount,rw /system
restorecon -Rv /system
mount -o remount,ro /system
ll -Z (you should not find any "unlabeled" /cache /data /system)
Let me know how it goes
I tried all those commands from the terminal and it still shows all of the same "Unable to stat" error messages when backing up
The "ll -Z" command, is that supposed to be double pipe or double L? I'd never seen a double L command before so I couldn't get it to work if that's what it is.
Sorry to budge in but I have the same problem too on my oneplus one. Everytime I do something in twrp it saids unable to stat /data/data/com.android.chrome/something I wiped /data and it still does that. I tried to install custom rom and when it starts it saids something is wrong with my system udi and com.android.phone keeps on crashing. So I don't know how I am suppose to fix this. If I format /data I will lose all my pictures,music,apps,etc. since it will wipe /data/media? Any help?
Edit: Upon reading the first post again, I also can't perform nandroid backup because it fails at /data. Which was why I wanted to try different rom and wipe /data to see if it would be fixed.
patstar5 said:
Sorry to budge in but I have the same problem too on my oneplus one. Everytime I do something in twrp it saids unable to stat /data/data/com.android.chrome/something I wiped /data and it still does that. I tried to install custom rom and when it starts it saids something is wrong with my system udi and com.android.phone keeps on crashing. So I don't know how I am suppose to fix this. If I format /data I will lose all my pictures,music,apps,etc. since it will wipe /data/media? Any help?
Edit: Upon reading the first post again, I also can't perform nandroid backup because it fails at /data. Which was why I wanted to try different rom and wipe /data to see if it would be fixed.
Click to expand...
Click to collapse
pat, did you have any luck fixing this? i'm having the exact same issue with my oneplus
---------- Post added at 03:13 PM ---------- Previous post was at 03:05 PM ----------
utjock12 said:
pat, did you have any luck fixing this? i'm having the exact same issue with my oneplus
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Click to collapse
alright i said screw it and wiped internal storage and it fixed the issue. i had to push ROM onto the new storage through ADB but it seemed to fix the issue.
For anyone who is wondering you need to do a FULL wipe (ie in recovery wipe EVERYTHING including internal storage), then push or mount devices through recovery and put ROM back onto SD card.
bu_plus said:
Hi friend,
I have tried my best to locate the download link for the new ver. 5.00 ROM but with no success.
Kindly could you please provide me with the link. BTW, I'm using firefox browser.
Best regards,
bu_plus
Click to expand...
Click to collapse
Well you fixed it the easy way, I went to the thread on how to turn oneplus one back to stock.
http://forum.xda-developers.com/oneplus-one/general/guide-return-opo-to-100-stock-t2826541
I unzipped the 44s Stock ROM and manually flashed each file via adb to it, that cleared up all my problems. I did lose some data, at least at had my apps, messages, and pictures backed up.
Sent from my Oneplus One using XDA Free mobile app.
utjock12 said:
pat, did you have any luck fixing this? i'm having the exact same issue with my oneplus
---------- Post added at 03:13 PM ---------- Previous post was at 03:05 PM ----------
alright i said screw it and wiped internal storage and it fixed the issue. i had to push ROM onto the new storage through ADB but it seemed to fix the issue.
For anyone who is wondering you need to do a FULL wipe (ie in recovery wipe EVERYTHING including internal storage), then push or mount devices through recovery and put ROM back onto SD card.
Click to expand...
Click to collapse
I have this same problem with my OPO and I tried a full wipe including internal storage, but the "unable to stat..." problem still persists. Should I try using the "Format Data" option on TWRP instead of just the "Advanced Wipe"? I tried searching online for the difference but I can't really find any information.
monkey29992 said:
I have this same problem with my OPO and I tried a full wipe including internal storage, but the "unable to stat..." problem still persists. Should I try using the "Format Data" option on TWRP instead of just the "Advanced Wipe"? I tried searching online for the difference but I can't really find any information.
Click to expand...
Click to collapse
So I had my issue on my OPO also, still never confirmed what the actual issue was but after some googling I saw this thread and maybe one more with the same error description.
From TWRP I went Wipe->Advanced Wipe->Clicked ALL boxes.
From what I could tell the issue is actually on the "internal storage" partition which is your emulated SD Card.
I'm not actually sure what the "Format Data" option does tbh I never had to go that far.
Word of warning, make sure you have ADB working and you know how to push files to your phone. You can in theory use the "mount" option from TWRP and connect to a PC as an extendable drive but this functionality is super flaky and is known to not work on occasion.
you don't have to!!!!!!!!!!!
actually i formated it and i was looking for a way to transfer my zip file to internal storage ........... but when i clicked on backup/restore it started to install and booted normally !!!!!!!!!!!!! (by temp boot file)
Sad I am also facing this problem too. At last I have to format everything to get my phone working again, wiping /data does not work, must wipe /data including media.
Internal Storage failure?
This happens to me all the time all of a sudden. I did not change anything at all, except for flashing a new CM version.
I also get a strange stat error, something with google.photo cache.
Yesterday, I have then flashed the new 2.8.6(7) and that gave my phone the rest. It might be because I flashed through TWRP itself into the recovery partition, but now additional to the backup error above when I want to erase dalvik cache, the recovery just hangs. I also can't restore a backup atm.
Now I have reflashed the real 2.8.6.0 recovery and it still hangs when I want to wipe dalvik... wtf is going on here?
And oh yea, my phone does not boot anymore either, it just loops at the flash screen...
UPDATE:
After I found some info on this thread about similar issues, I factory reset my phone with stock recovery (TWRP was not reliable anymore, even the 2.8.6.0 version that was running perfectly before) and then reflashed the latest CM on a wiped internal storage. Now I am up and running again with minimal loss of data due to my TB backups that are scheduled and save to the SD.
But this leaves a very weird feeling back, basically my phone was rendered useless out of nowhere (I was running the previous CM for 2 weeks already), making TWRP backups impossible and forcing me to wipe the internal storage with all media on it without giving me the chance to back it up (MTP in TWPR was also very flaky and died several times half in copy operations). Something is going very wrong with this phone, never ever had that on any of my 5 previous htc devices and the fact that the OnePlusOne users are among the main ones that reported similar issues, I have a feeling it is linked to cheap storage quality. Motorola is a Chinese company now after all... :-/
Hello,
I had the same issue with my Galaxy s4 GT-I9500, it said "E: Unable to stat /data/...", wiping didn't fix, but after I run "format data", it fixed the issue for me.
I have been going through the same issue. I can fix it for 'a while' (by wiping and formatting data) before it comes back again. Anyone knows how to get rid of this once and for all?
Hey Guys,
I installed an RRO theme and it caused my system ui to crash everytime it boots up ("Unfortunately, System UI has stopped"). Can't really go past "ok". So I booted into twrp, wiped system, data, cache, and dalvik, then proceeded to flash my rom again. I noticed that while the phone was booting, my optimization window was still themed. Once it fully booted up, I got the same system ui crash message due to the overlay still being present. I've tried wiping everything numerous times but to no avail. Am I doing something wrong? I thought wiping /system would get rid of everything. Any help would be greatly appreciated!
[UPDATE]
Nevermind, I got it.
Just in case anyone was wondering, I basically mounted vendor, then went into the vendor folder where all the overlays were located. I proceeded to delete them all, which fixed my problem. I thought that folder was located in /system/vendor/overlay but it was located in the top most /vendor folder for me.
Hi, I have the same problem. Could you elaborate or how you mounted vendor and then went into the vendor folder to delete the overlays?
I'm using TWRP but I don't know how to mount vendor. I went into "mount" to check the vendor box and then rebooted but it just went back to the "unfortunately, System UI has stopped" loop.
X_Fact0r said:
Hi, I have the same problem. Could you elaborate or how you mounted vendor and then went into the vendor folder to delete the overlays?
I'm using TWRP but I don't know how to mount vendor. I went into "mount" to check the vendor box and then rebooted but it just went back to the "unfortunately, System UI has stopped" loop.
Click to expand...
Click to collapse
Even easier - just fastboot flash vendor image
X_Fact0r said:
Hi, I have the same problem. Could you elaborate or how you mounted vendor and then went into the vendor folder to delete the overlays?
I'm using TWRP but I don't know how to mount vendor. I went into "mount" to check the vendor box and then rebooted but it just went back to the "unfortunately, System UI has stopped" loop.
Click to expand...
Click to collapse
You don't reboot after mounting vendor.
After you mount go to the file explorer in twrp and search there.
Sent from my Nexus 6P using Tapatalk
if you have a file manager, go into the root directory and delete the Vender folder and boot into recovery and wipe system...
I have the same issue like you except when I try to delete in the file manger I get a error=1.
This is what I did
1. Boot twrp
2. Mount --> Mount vendor
3. Advanced --> File Manager
4. Root directory --> Vendor --> Overlay
5. Delete & Reboot
System ui is not working
Hi I'm having that problem right now. I tried flashing android n using twrp and when it booted it up, I get a "system ui is not working." When I tried to boot into recovery, I noticed that twrp is no where to be found. Please help, this is my daily driver and I have no spare phone. As of right now I'm trying to fix it using a root toolkit but no luck. My bootloader is unlock.
Kentran5397 said:
Hi I'm having that problem right now. I tried flashing android n using twrp and when it booted it up, I get a "system ui is not working." When I tried to boot into recovery, I noticed that twrp is no where to be found. Please help, this is my daily driver and I have no spare phone. As of right now I'm trying to fix it using a root toolkit but no luck. My bootloader is unlock.
Click to expand...
Click to collapse
Use fastboot to flash the newest version of TWRP. it supposedly works with encryption
Sent from my Nexus 6P using Tapatalk
So apologies is this is done to death, but I've screwed something up.
My phone is rooted/unlocked and I had twrp installed.
I tried to install a lineageos rom but it didnt work, and it would get stuck booting.
I can still get into fastboot and twrp, but I don't know what to do from there. I have tried install the stock recovery and then installing the stock emui rom but it doesn't seem to be working, and I can't seem to find a thorough walkthrough of what I need to do.
I have the Japanese version of the phone (WAS-LX2J) if that helps.
So I can force into TWRP using adb reboot recovery
When I get into TWRP the UI is all red - it used to be blue? I might have just installed a different version but seems strange to have gone red now.
Whenever I try to wipe data, or format data, I get a bunch of errors:
unable to recreate /data/media folder
unable to mount storage
unable to mount /data/media/twrp/.twrps
unable to open '/dev/block/dm-0' to wipe crypto key
etc
I am also unable to repair, resize or change the file system apparently.
Okay I reinstalled twrp (from here) and that problem seems to be solved. (in red)
I would basically just like to restore my phone to factory but I don't know how, any help would be hugely appreciated.
I can provide any more info if required, I just dont have a way to screenshot my phone atm