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[Q] Nexus 5 stuck on Formatting cache for hours

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By BlueTemplar, Junior Member on 1st June 2014, 09:04 PM
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This morning my Nexus 5 that was charging suddenly showed the full screen charging battery icon.
(It wasn't due to an update since I haven't switched wifi on in a while. I have stock KOT49H Android, rooted.)

Then it was stuck loop-rebooting at the big Google logo.

Trying to clear cache gave this kind of error:
Code:
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)
failed closing /dev/block/platform/msm_sdcc ...
Now, quickly after the Google logo, a picture of an android on its back with its panel open and a red warning sign kept appearing (and the phone was still stuck in a boot loop, rebooting after awhile).

So, thanks to some guides, I downloaded the factory image for hammerheadkot49h from google developers.

Extracted cache.img from it and
Code:
fastboot flash cache cache.img
with the help of the command line function of Nexus Root Toolkit v1.8.2 from WugFresh.

Tried to reboot : red warning sign again
Tried to clear cache : same error
Tried to reboot... New Screen - Success! A picture of standing android with a web in its panel and some traits below with :
Code:
-- Wiping cache...
Formatting /cache...
Waiting for a couple minutes...
Start worrying and search the forums : the long formatting cache is normal, and DO NOT switch off the phone meanwhile if you don't want BAD THINGS to happen.
OK
Waiting 30 minutes.
An hour.
Giving up and going to go something else...

Now my Nexus 5 is stuck there for about TEN HOURS.

What should I do? I'd like to keep my personal data if possible... (would "e2fsck /dev/block/platform/msm_sdcc.1/by-name/userdata" help?)

Thank you in advance for your answer.
 
 
1st June 2014, 10:46 PM |#2  
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It's not flashing if you've waited 10 hours. Stop the flash and try again. You might try flashing the whole factory image.
Last edited by jd1639; 1st June 2014 at 10:51 PM.
2nd June 2014, 03:26 AM |#3  
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Looks like I have a problem.

After shutting down the phone, it won't turn on anymore.
Nothing I tried works :
- Holding the power button
- Holding the power and volume up button
- Holding the power and volume down buttons
- Holding all the buttons
- Doing this while plugging/unplugging the charger...

Is my phone bricked?
2nd June 2014, 03:32 AM |#4  
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Quote:
Originally Posted by BlueTemplar

Looks like I have a problem.

After shutting down the phone, it won't turn on anymore.
Nothing I tried works :
- Holding the power button
- Holding the power and volume up button
- Holding the power and volume down buttons
- Holding all the buttons
- Doing this while plugging/unplugging the charger...

Is my phone bricked?

be sure it shut down. hold down the power button for 25-30 seconds, then release and press again.
2nd June 2014, 04:40 AM |#5  
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Nothing. I also tried opening the phone, and disconnecting, then reconnecting the battery...
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