02-07-2022, 04:46 PM
My PinePhone (v1.2, 3GB running Mobian testing from eMMC) was low on battery and the red USB C cable was not perfectly plugged so it got unplugged, the PP abruptly turned off and ... it would not boot again 
. That was the first time ever I got this problem, in 11 months of daily driving (no other phone), and a lot of drained batteries (thats bad, I know...).
tldr: to fix it I flashed Mobian on a micro sd card, then fsck.f2fs was not working but after I mounted / unmounted /dev/mmcblk2p2 I retried fsck.f2fs which then surprisingly worked and apparently fixed any problem left.
More details:
First log I got using the UART cable:
After that here is what I would got when running fsck:
Then I was able to mount then unmount /dev/mmcblk2p2 from Mobian running on sdcard, and I got fsck to work:
Then the PP was booting fine
. That was the first time ever I got this problem, in 11 months of daily driving (no other phone), and a lot of drained batteries (thats bad, I know...).tldr: to fix it I flashed Mobian on a micro sd card, then fsck.f2fs was not working but after I mounted / unmounted /dev/mmcblk2p2 I retried fsck.f2fs which then surprisingly worked and apparently fixed any problem left.
More details:
First log I got using the UART cable:
Quote:(initramfs) Begin: Will now check root file system ... fsck from util-linux 2.37.3
[/sbin/fsck.f2fs (1) -- /dev/mmcblk2p2] fsck.f2fs -a /dev/mmcblk2p2
Info: Fix the reported corruption.
Info: Segments per section = 1
Info: Sections per zone = 1
Info: sector size = 512
Info: total sectors = 60022751 (29307 MB)
Info: MKFS version
"Linux version 5.9.0-5-amd64 (debian-kernel@lists.debian.org) (gcc-10 (Debian 10.2.1-1) 10.2.1 20201207, GNU ld (GNU Binutils for Debian) 2.35.1) #1 SMP Debian 5.9.15-1 (2020-12-17)"
Info: FSCK version
from "Linux version 5.9.0-5-amd64 (debian-kernel@lists.debian.org) (gcc-10 (Debian 10.2.1-1) 10.2.1 20201207, GNU ld (GNU Binutils for Debian) 2.35.1) #1 SMP Debian 5.9.15-1 (2020-12-17)"
to "Linux version 5.15-sunxi64 (salsaci@runner-2v5hjq-3-project-17289439-concurrent-0) (gcc (Debian 11.2.0-14) 11.2.0, GNU ld (GNU Binutils for Debian) 2.37.50.20220106) #1 SMP Fri Jan 21 03:21:56 UTC 2022"
Info: superblock features = 0 :
Info: superblock encrypt level = 0, salt = 00000000000000000000000000000000
Info: total FS sectors = 60022744 (29307 MB)
Info: CKPT version = 5439e3cc
[f2fs_do_mount:3563] record_fsync_data failed
fsck exited with status code 255
done.
Failure: File system check of the root filesystem failed
The root filesystem on /dev/mmcblk2p2 requires a manual fsck
After that here is what I would got when running fsck:
Quote:fsck /dev/mmcblk2p2
fsck from util-linux 2.37.3
Info: Segments per section = 1
Info: Sections per zone = 1
Info: sector size = 512
Info: total sectors = 60022751 (29307 MB)
Info: MKFS version
"Linux version 5.9.0-5-amd64 (debian-kernel@lists.debian.org) (gcc-10 (Debian 10.2.1-1) 10.2.1 20201207, GNU ld (GNU Binutils for Debian) 2.35.1) #1 SMP Debian 5.9.15-1 (2020-12-17)"
Info: FSCK version
from "Linux version 5.9.0-5-amd64 (debian-kernel@lists.debian.org) (gcc-10 (Debian 10.2.1-1) 10.2.1 20201207, GNU ld (GNU Binutils for Debian) 2.35.1) #1 SMP Debian 5.9.15-1 (2020-12-17)"
to "Linux version 5.15-sunxi64 (salsaci@runner-2v5hjq-3-project-17289439-concurrent-0) (gcc (Debian 11.2.0-14) 11.2.0, GNU ld (GNU Binutils for Debian) 2.37.50.20220106) #1 SMP Fri Jan 21 03:21:56 UTC 2022"
Info: superblock features = 0 :
Info: superblock encrypt level = 0, salt = 00000000000000000000000000000000
Info: total FS sectors = 60022744 (29307 MB)
Info: CKPT version = 5439e3cc
[f2fs_do_mount:3563] record_fsync_data failed
Then I was able to mount then unmount /dev/mmcblk2p2 from Mobian running on sdcard, and I got fsck to work:
Quote:fsck from util-linux 2.37.2
Info: Segments per section = 1
Info: Sections per zone = 1
Info: sector size = 512
Info: total sectors = 60022751 (29307 MB)
Info: MKFS version
"Linux version 5.9.0-5-amd64 (debian-kernel@lists.debian.org) (gcc-10 (Debian 10.2.1-1) 10.2.1 20201207, GNU ld (GNU Binutils for Debian) 2.35.1) #1 SMP Debian 5.9.15-1 (2020-12-17)"
Info: FSCK version
from "Linux version 5.9.0-5-amd64 (debian-kernel@lists.debian.org) (gcc-10 (Debian 10.2.1-1) 10.2.1 20201207, GNU ld (GNU Binutils for Debian) 2.35.1) #1 SMP Debian 5.9.15-1 (2020-12-17)"
to "Linux version 5.10-sunxi64 (builder@mobian) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP PREEMPT Sat Aug 7 12:10:38 UTC 2021"
Info: superblock features = 0 :
Info: superblock encrypt level = 0, salt = 00000000000000000000000000000000
Info: total FS sectors = 60022744 (29307 MB)
Info: CKPT version = 5439e436
Info: checkpoint state = 45 : crc compacted_summary unmount
[FSCK] Unreachable nat entries [Ok..] [0x0]
[FSCK] SIT valid block bitmap checking [Ok..]
[FSCK] Hard link checking for regular file [Ok..] [0xa]
[FSCK] valid_block_count matching with CP [Ok..] [0x27997d]
[FSCK] valid_node_count matching with CP (de lookup) [Ok..] [0x2522a]
[FSCK] valid_node_count matching with CP (nat lookup) [Ok..] [0x2522a]
[FSCK] valid_inode_count matched with CP [Ok..] [0x24c4d]
[FSCK] free segment_count matched with CP [Ok..] [0x148d]
[FSCK] next block offset is free [Ok..]
[FSCK] fixing SIT types
[FSCK] other corrupted bugs [Ok..]
Done: 132.889887 secs
Then the PP was booting fine
