Database Users

[Q] Nexus 7 (2012) Shutting Down for no reason

Ok.... A brief description....
Nexus 7 is on..... Sometimes it's in the dock..... Sometimes it's in the case.....
All seems fine and running.....
Then.... When not in use (in the case) or sometimes charging in the dock, It just shuts down and will only restart with a loooong press on hold of the power button. In all cases, the battery is 90% > 100% charged.
Now.... I have reset the cache and factory reset a few times.... Yet the problem is still there.
Last few times, I have reset the cache and then the factory reset.... The reset of cache works fine, but if I reset the cache prior to factory reset, the factory reset shows a bunch of errors trying to access the cache....
Am I doing something incorrectly or does it have to go back to Asus for a second time?
These issues didn't start occurring until after the last system update to 4.4.2
Lego.

Legobricke said:
Ok.... A brief description....
Nexus 7 is on..... Sometimes it's in the dock..... Sometimes it's in the case.....
All seems fine and running.....
Then.... When not in use (in the case) or sometimes charging in the dock, It just shuts down and will only restart with a loooong press on hold of the power button. In all cases, the battery is 90% > 100% charged.
Now.... I have reset the cache and factory reset a few times.... Yet the problem is still there.
Last few times, I have reset the cache and then the factory reset.... The reset of cache works fine, but if I reset the cache prior to factory reset, the factory reset shows a bunch of errors trying to access the cache....
Am I doing something incorrectly or does it have to go back to Asus for a second time?
These issues didn't start occurring until after the last system update to 4.4.2
Lego.
Click to expand...
Click to collapse
Hi, Legobricke...
Legobricke said:
..
...but if I reset the cache prior to factory reset, the factory reset shows a bunch of errors trying to access the cache...
..
Click to expand...
Click to collapse
How are you resetting the cache? Do you mean clearing the cache? Are you referring to Dalvik cache? Are you doing this via a Custom Recovery (CWM or TWRP)?
What error messages do you see? Can you post a screenshot of these error messages?
Sorry for the barrage of questions... but the more information you can provide, the more likely you are to acquire a diagnosis, and a possible solution.
Rgrds,
Ged.

GedBlake said:
Hi, Legobricke...
How are you resetting the cache? Do you mean clearing the cache? Are you referring to Dalvik cache? Are you doing this via a Custom Recovery (CWM or TWRP)?
What error messages do you see? Can you post a screenshot of these error messages?
Sorry for the barrage of questions... but the more information you can provide, the more likely you are to acquire a diagnosis, and a possible solution.
Rgrds,
Ged.
Click to expand...
Click to collapse
I am clearing the Dalvik cache..... This is done in stock recovery on an unrooted Nexus 7.
I can't take a screen shot unless I do a full factory reset again... But if I remember right it was trying to access E drive and the at least on error said it could access the cache...

GedBlake said:
Hi, Legobricke...
How are you resetting the cache? Do you mean clearing the cache? Are you referring to Dalvik cache? Are you doing this via a Custom Recovery (CWM or TWRP)?
What error messages do you see? Can you post a screenshot of these error messages?
Sorry for the barrage of questions... but the more information you can provide, the more likely you are to acquire a diagnosis, and a possible solution.
Rgrds,
Ged.
Click to expand...
Click to collapse
This is what I get after clearing Dalvik and then trying a Factory Reset:
Formatting /data...
E: failed to mount /cache (Invalid argument)
E: Can't mount /cache/recovery/log
E: Can't open /cache/recovery/log
E: failed to mount /cache (Invalid argument)
E: Can't mount /cache/recovery/last_log
E: Can't open /cache/recovery/last_log
E: failed to mount /cache (Invalid argument)
E: Can't mount /cache/recovery/last_install
E: Can't open /cache/recovery/last_install
E: Failed closing /dev/block/platform/sdhci-tega.3/by-name/MSC (I/O error)
E: failed to mount /cache (Invalid argument)
Anyone?

Legobricke said:
This is what I get after clearing Dalvik and then trying a Factory Reset:
Formatting /data...
E: failed to mount /cache (Invalid argument)
E: Can't mount /cache/recovery/log
E: Can't open /cache/recovery/log
E: failed to mount /cache (Invalid argument)
E: Can't mount /cache/recovery/last_log
E: Can't open /cache/recovery/last_log
E: failed to mount /cache (Invalid argument)
E: Can't mount /cache/recovery/last_install
E: Can't open /cache/recovery/last_install
E: Failed closing /dev/block/platform/sdhci-tega.3/by-name/MSC (I/O error)
E: failed to mount /cache (Invalid argument)
Anyone?
Click to expand...
Click to collapse
Hi, Legobricke...
Apologies for not getting back to you sooner, but I've been really busy this past week with work.
And if truth be told, I've also been finding excuses not to write this post... because I hate delivering bad news. And your above quoted output, I think, is very 'bad news'.
Everything about it suggests you have either a bad eMMC/NAND chip (hardware failure)... or a partition corruption.
There is very slim possibility you **might** get your Nexus 7 working again, by fastboot flashing a Google factory stock image... but given your previous descriptions of random shutdowns, and this sort of thing...
Code:
E: Failed closing /dev/block/platform/sdhci-tega.3/by-name/MSC (I/O error)
(...and which is something I've never seen or heard of before...)
Well... I'm not optimistic fastboot flashing anything will work, to be honest.
I think your best bet, is to return it back to Asus and hope they'll fix it.
Sorry I couldn't be of more help.
Rgrds,
Ged.

[Q] Need urgent help, can't mount cache

Hi guys
I really need help with my G2.
Basically, I installed resurrection remix, everything working fine for a week.
Today, when i used my phone, it kept force restarting. Finally, it got into a LG logo bootloop and has not been able to start up.
I managed to get into TWRP recovery but when I tried to reflash my ROM it said it could not mount system.
I decided to flash CWM to see if I could fix the problem and sure enough, it fixed but there is another problem.
When i tried to wipe cache, it hangs and freezes and gets stuck on formatting cache.
I reboot and I see these messages below:
E: Can't mount /sdcard/
E: Can't mount /cache/recovery/command
E: Can't mount /cache/recovery/log
E: Can't open /cache/recovery/log
E: Can't mount /cache/recovery/last_log
E: Can't open /cache/recovery/last_log
I decide to try wiping cache again but to no avail.
can anybody help me?
Thanks in advance

Having the same problem. I think im going to try going back to stock.
JamesInsights said:
Hi guys
I really need help with my G2.
Basically, I installed resurrection remix, everything working fine for a week.
Today, when i used my phone, it kept force restarting. Finally, it got into a LG logo bootloop and has not been able to start up.
I managed to get into TWRP recovery but when I tried to reflash my ROM it said it could not mount system.
I decided to flash CWM to see if I could fix the problem and sure enough, it fixed but there is another problem.
When i tried to wipe cache, it hangs and freezes and gets stuck on formatting cache.
I reboot and I see these messages below:
E: Can't mount /sdcard/
E: Can't mount /cache/recovery/command
E: Can't mount /cache/recovery/log
E: Can't open /cache/recovery/log
E: Can't mount /cache/recovery/last_log
E: Can't open /cache/recovery/last_log
I decide to try wiping cache again but to no avail.
can anybody help me?
Thanks in advance
Click to expand...
Click to collapse

Boot Loop Nexus 4 - dead eMMC?

Recently, my Nexus 4 has been crashing randomly - shutting off with no warning or notice. It has always rebooted back up without issues. Last night, however, it just got stuck in a boot loop - spinning balls for hours on end.
Bootloader and Recovery Mode come up with no trouble.
The phone is and always has been pure OEM/stock. I've only ever updated using built in OTA process.
I tried to reflash to stock using Wug's Nexus Toolkit, but it repeatedly failed saying the device was locked. I tried to unlock the bootloader, but that seems to require a reboot to take hold, and every time I tried the reboot it would loop again.
In Recovery Mode, I get the following:
E:failed to mount /cache (Invalid argument)
E: Can't mount /cache/recovery/log
E:failed to mount /cache (Invalid argiument)
E:Can't mount /cache/recovery/last_log
E:can t open /cache/recovery/last_log
E:can t mount /cache/recovery/last_install
E:can t open /cache/recovery/last_install​
I have downloaded the full image and tried flashing the cache, and system with no effect. Toolkit doesn't show an error, but nothing changes.
Does anyone have any suggestions? I'm at a loss.

Did you try
fastboot erase cache.img
fastboot flash cache cache.img
Then perform wipe data/factory reset before booting into android.

Help on CWM recovery for SM-9005

Hi there,
I encountered a problem on the CWM recovery. I had successed to install through the Odin.
However, when trying to run the CWM recovery, it showed the following message:-
E: Can't mount/ cache/ recovery/ command
E: Can't mount/ cache/ recovery/ log
E: Can't open/ cache/ recovery/ log
E: Can't mount/ cache/ recovery/ last_log
E: Can't open/ cache/ recovery/ last_log
E: Can't mount/ cache/ recovery/ last_install
E: Can't open/ cache/ recovery/ last_install
I had tried on CwM-based Recovery v6.0.4.6 and v6.0.4.7, and it still appear the same problem.
Is there anybody can help to solve on this issue?
Thank you very much.

Format/wipe cache. If it can't then it is corrupted and flashing the latest stock rom with a pit file will repartition your phone and fix it
Sent from my SM-N9005

Thanks cederic..solved it already

Stuck in Boot Loop. Lost Odin. rfs format failed...

I have a GT-S5360 which is stuck in a boot loop.
I've tried wiping the cache and a factory reset: makes no difference.
I tried rooting it with the update from here: http://forum.xda-developers.com/show....php?t=2085390
It appears to do what it should: says "Install complete", but still gives the same problem.
When I go to reboot, it says:
E:failed to mount /data (invalid argument)
E: copy_log_files_to_data
:: cannot mount /data Rebooting
Click to expand...
Click to collapse
Then I tried downloading something to it with Odin, which looked like it did what it should, but the phone is still stuck in a boot loop and now I cannot get to enter Odin mode.
Finally, I did a search of this site and found an appropriate looking thread which took me to here: http://www.mediafire.com/download/x8...ockworkmod.zip
Which comes back as "Installation aborted".
If I try to wipe data after running the update, it comes back with:
Formatting /data...
E:format_volume: rfs format failed on /dev/stl11
Formatting /cache...
E:format_volume: rfs format failed on /dev/stl10
Data wipe complete
Click to expand...
Click to collapse
I'm guessing there is something not working with that update: can anyone suggest a better one to try?
Or some way to get back into Odin?
Thanks in advance.