Re: Kernel Bug after corrupted filesystem

[robinx99-hi6Y0CQ0nG0@public.gmane.org]

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Oops didn't send the mail to the mailinglist, so I will resend.
Hi
> 
> Thanks for your help.
> I have another request:
> 
>  # dumpseg /dev/loop1 12

root@robin-laptop:/tmp# dumpseg /dev/loop1 12
segment: segnum = 12
  partial segment
    creation time = 2008-12-26 11:45:06
    nfinfo = 0



> 
>  - This will dump the summary of the segment in question
> 
>  # dd if=/dev/loop1 bs=4k skip=24576 count=2 | hd
> 
>  - This will dump the (broken) root block of the file system
> 
Ok I atached it to the email bzip2 compressed
> According to your log, the btree root of DAT file (i.e. a table file
> to translate disk addresses) seems inconsistent.  It might not be
> updated properly when GC moved its blocks.  I suspect that it was
> caused by some sort of GC problem.
> 
> And, your nilfs partition seems to have shut down uncleanly before
> this mount error repeatedly happened.  Do you remember what the first
> trouble was like?
> 
Actualy I have no real idea. Didn't start the computer for some days over christmas, befor christmas I could use the filesystem withoul any trouble, and on december 26 I was unable to mount it.
I actualy quite often moved files of the nilfs filesystem to an USB stick. Using comands like 
"mv /mnt/nilfs/directory/*.avi /mnt/usb && poweroff". So there were some shutdowns I didn't watch, and I was thinking that the normal shutdown scripts should unmount every mounted filesystem. Well the computer was definitv off, but I have no idea if it could be possible that something importend was stoped to soon when it came to the point "sending all procecess the term signal"

> Regards,
> Ryusuke
> 
robinx99

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