Re: 2.0.36 Lockups [reproducable]

Kris Karas (ktk@ktk.bidmc.harvard.edu)
Fri, 20 Nov 1998 12:24:08 -0500


> 136994 dquot_alloc_block
> 164ece inode_getblk
> 165489 ext2_getblk
> 162057 ext2_new_block
> 1624d7 ext2_new_block
> ==========================
>
> This could indicate a corrupted filesystem.

I took note of this, only because I run a high-availability linux system
(24x7) in a medical environment, and just installed 2.0.36. When I rebooted
to 2.0.36, from 2.0.34, fsck was forced on all filesystems because the
time-since-last-check was exceeded (about 160 days since last reboot). And
what I found was filesystem corruption. When the 2.0.34 kernel shut down, it
noted some stuck dquots as it was turning off quotas.
Then as 2.0.36 booted and fsck ran, it reported quite a number of inodes with
zero dtime, and a few dozen block-bitmap differences - usually what I would
expect to see if fscking on an improperly shut down filesys, excepting that
no unexpected crashes had occurred. The system also has a 3c509. Anyhow,
FYI.

--
Kristofer Karas                           *    Senior systems engineer/SysAdmin
AMA/CCS DoD RF900RR HawkGT !car           * BI Deaconess Medical Center, Boston
"Build a system that even a fool can use, *  http://ktk.bidmc.harvard.edu/~ktk/
 and only a fool will want to use it."    *  Will design LISP machines for food

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