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Old 03-08-2012, 06:49 AM   #1
wsxhwyy
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Kindle touch briced after update to 5.0.3

My kindle touch bricked after update to 5.0.3. It now stuck at boot screen and soon windows find an "unknown device". How can I do now?
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Old 03-08-2012, 06:51 AM   #2
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Mfgtool.exe can boot into diags and fastboot, but it cannot boot into main.
I recovered mmcblk0p1.img and cleared /var/local but it's no use at all.

Last edited by wsxhwyy; 03-08-2012 at 07:20 AM.
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Old 03-08-2012, 07:18 AM   #3
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Call geekmaster for help.
I found these infomation in fastboot.

partitions:
bootloader bootloader, 376KiB
prod overlaps bootloader, 120KiB
bist bist, 256KiB
userdata userdata, 5KiB
userpartition userpartition
mbr master boot record
kernel primary kernel
diags_kernel diags kernel
system main system (root) partition
diags secondary system (diags) partition
data user data

Which partition of my device is broken? I updated it to 5.0.3 and when it finished my kindle stucked and I could not boot into main again.
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Old 03-08-2012, 08:35 AM   #4
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Quote:
Originally Posted by wsxhwyy View Post
Call geekmaster for help.
I found these infomation in fastboot.

partitions:
bootloader bootloader, 376KiB
prod overlaps bootloader, 120KiB
bist bist, 256KiB
userdata userdata, 5KiB
userpartition userpartition
mbr master boot record
kernel primary kernel
diags_kernel diags kernel
system main system (root) partition
diags secondary system (diags) partition
data user data

Which partition of my device is broken? I updated it to 5.0.3 and when it finished my kindle stucked and I could not boot into main again.
How did you "recover" mmcblk0p1? You cannot do that from fastboot (it is too big). You can boot to diags use a RUNME.sh script, or you can use fastboot to flash mmcblk0p2_ssh.img to diags and use an SSH shell, then copy mmcblk0p1.img to /dev/mmcblk0p1 (from RUNME.sh or at an SSH shell).

See these other threads for details:

Simple debricking: http://www.mobileread.com/forums/sho...d.php?t=170929

SelectBoot: http://www.mobileread.com/forums/sho...d.php?t=169645


Last edited by geekmaster; 03-08-2012 at 08:49 AM.
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Old 03-08-2012, 10:13 AM   #5
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Originally Posted by geekmaster View Post
How did you "recover" mmcblk0p1? You cannot do that from fastboot (it is too big). You can boot to diags use a RUNME.sh script, or you can use fastboot to flash mmcblk0p2_ssh.img to diags and use an SSH shell, then copy mmcblk0p1.img to /dev/mmcblk0p1 (from RUNME.sh or at an SSH shell).

See these other threads for details:

Simple debricking: http://www.mobileread.com/forums/sho...d.php?t=170929

SelectBoot: http://www.mobileread.com/forums/sho...d.php?t=169645

I used your diags with ssh.
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Old 03-08-2012, 10:21 AM   #6
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Quote:
Originally Posted by wsxhwyy View Post
I used your diags with ssh.
If you still cannot boot, your /var/local partition may be full (from too many books in the collections database).

You can reset the /var/local partition with:

dd if=/dev/zero of=/dev/mmcblk0p3 bs=4K


If you do not want to lose your collections database, you may want to copy it from /var/local to /mnt/us first.
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Old 03-08-2012, 10:34 AM   #7
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Quote:
Originally Posted by geekmaster View Post
If you still cannot boot, your /var/local partition may be full (from too many books in the collections database).

You can reset the /var/local partition with:

dd if=/dev/zero of=/dev/mmcblk0p3 bs=4K


If you do not want to lose your collections database, you may want to copy it from /var/local to /mnt/us first.
I cleared /var/local. But it's no use. I think my kernel is broken.
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Old 03-08-2012, 11:12 AM   #8
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Quote:
Originally Posted by wsxhwyy View Post
I cleared /var/local. But it's no use. I think my kernel is broken.
There are main and diags kernels that you can flash with fastboot.

I will be busy for the next few days. Perhaps somebody here can provide a link to a main system linux kernel image (extracted from a backup of the first 32MB of /dev/mmcblk0, at offset 0x41000 as I recall -- and the length is in the flash header at the beginning of the kernel image).
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