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SubjectRe: 2.6.20 (XFS? related) crash after uptime of > 180 days during apt-get dist-upgrade on Debian Testing
On Mon, 17 Sep 2007, Justin Piszcz wrote:

> Including the XFS mailing list in here too because it may be an XFS bug
> looking at the call trace.
>
> System: Debian Testing
> Kernel: 2.6.20
> Config: Attached
>
> I was running apt-get dist-upgrade as I always do to get the latest packages
> upgraded and the kernel OOPS'd when it was upgrading 'tzdata' and the process
> went into D-state and I had to reboot.
>
> The config file is from 2.6.20 but it had been moved to a 2.6.22 directory
> for an upgrade, but all of the options have been left unchanged.
>
> Here is the *OOPS I captured via dmesg before I rebooted:
>
>

Also,

Not sure if this helps but when this happened, any file that was open()
for read/write seem to have also been corrupted..

$ /usr/sbin/xfs_bmap -v myconfig.txt.orig
myconfig.txt.orig:
EXT: FILE-OFFSET BLOCK-RANGE AG AG-OFFSET TOTAL
0: [0..7]: 64601112..64601119 14 (52040..52047) 8
$ /usr/sbin/xfs_bmap -v myconfig.txt
myconfig.txt:
EXT: FILE-OFFSET BLOCK-RANGE AG AG-OFFSET TOTAL
0: [0..7]: 64625720..64625727 14 (76648..76655) 8
$ md5sum myconfig*
db8c50ca2c86d2e757ecef1d6b3fcc69 myconfig.txt
09fb630623b3ae614511cef4c7a21063 myconfig.txt.orig
$ file myconfig.txt myconfig.txt.orig
myconfig.txt: ASCII text
myconfig.txt.orig: data
$

$ strings -a myconfig.txt.orig
$

$ od -c myconfig.txt.orig
0000000 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 *
0003500 \0 \0 \0 \0 \0 \0
0003506

Seems like it was NULL'd out?

Justin.

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