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Old 07-04-2022, 06:35 PM   #1
bikeridercz
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PB627: Latest fw update causes errors on internal fs
Dear Friends, please help. Latest FW update (6.5.2307) failed with errors ...
Code:
...
Use PocketBook_627.bmp as default boot logo after restart
chmod: /mnt/secure/runonce/18-default-bootlogo.sh: Input/output error
chmod: /mnt/secure/runonce/20-low-power-logo.sh: Input/output error
chmod: /mnt/secure/runonce/99-reboot.sh: Input/output error
Update failedThe device will turn off in few seconds
PB then booted into standard screen but it is not possible to run Tools menu with different kind of setting for example PBSync service etc. it always fails with
Code:
input/output error at /dev/loop0
So, the question is if it is possible somehow fix this, ie. to check partitions and theirs mount point and to run fsck or something like that.

Thanks !
Last edited by bikeridercz; 07-04-2022 at 06:38 PM.
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Old 07-05-2022, 04:52 AM   #2
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If I'm not mistaken, fsck is run prior to firmware update. So either try to get swupdate.bin on the device (MicroSD if supported) or hope that the failed update did not erase the update file and do a forced update (starting the device with left-right keys pressed).
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Old 07-05-2022, 04:59 AM   #3
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If access to apps and filesystem is possible, rooting the device with the tools from ezdiy will give you access to fsck too.
https://www.mobileread.com/forums/sh...d.php?t=325185
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Old 07-05-2022, 11:54 AM   #4
bikeridercz
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Quote:
Originally Posted by nhedgehog View Post
If I'm not mistaken, fsck is run prior to firmware update. So either try to get swupdate.bin on the device (MicroSD if supported) or hope that the failed update did not erase the update file and do a forced update (starting the device with left-right keys pressed).
Yes, I tried to reflash older firmware and then the newest one via SD card method. Unfortunatelly with no luck. Still the same errors and still not possible to open settings.
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Old 07-05-2022, 11:58 AM   #5
bikeridercz
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Originally Posted by nhedgehog View Post
If access to apps and filesystem is possible, rooting the device with the tools from ezdiy will give you access to fsck too.
https://www.mobileread.com/forums/sh...d.php?t=325185
Yes, rooting is one of possible ways to go. The problem is that after rooting I have no idea what partitions should be mounted to what mount points. Because now it seems to be somehow corrupted, so what I will see on my device will be probably wrong …
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Old 07-05-2022, 11:58 AM   #6
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I had something like this once but with bootloop: in my case it was an internal memory failure. Had to send it to service to have it repaired.
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Old 07-05-2022, 12:05 PM   #7
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This could help too:
https://www.synacktiv.com/en/publica...-reverser.html
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