Hi,
On 03/08, Philippe De Muyter wrote:
> Hi f2fs developpers,
>
> Please excuse my maybe dumb question.
>
> I recently encountered a kernel panic at root mount time (thus making my
> system unusable, as my root partition is formatted as f2fs) due to the
> following segment in fs/f2fs/segment.c:init_dirty_segmap
>
> if (valid_blocks > sbi->blocks_per_seg) {
> f2fs_bug_on(sbi, 1); <<<<<<<<<<<<<<<<<<<<
> continue;
> }
>
> Is that really a condition requiring a kernel panic, or could a read-only
> mount be allowed ?
It would be helpful that you can remain your kernel and f2fs-tools version
information, as well as fsck.f2fs result.
You can get the latest f2fs-tools from
http://git.kernel.org/cgit/linux/kernel/git/jaegeuk/f2fs-tools.git/log/?h=dev-test
Anyway, if you don't have time, you may have some options like:
1. disable F2FS_CHECK_FS in Kconfig
: bypass BUG_ON here, so mount-ro would be preferable.
2. run fsck.f2fs
: fix some inconsistency and let you mount your system again.
So, I think you'd better try #1 to retrieve your important data, and then
#2 to fix something wrong.
Thanks,
>
> Philippe
>
> --
> Philippe De Muyter +32 2 6101532 Macq SA rue de l'Aeronef 2 B-1140 Bruxelles
>
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