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From: lawalsh <xfs@tlinx.org>
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Subject: 2.6.6 kernel problems
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Switched up to 2.6.6 and am noticing some problems in xfs:

1) the
normal xfs maintenance processes hung this morning: xfsdump hung during
the third fs (home) it was dumping, about the time that xfs_fsr kicked in
(at 3:15).  Xfsdump started at 2:34am and bzip2 shows a cputime of
54:53, xfsdump: 34 seconds and xfs_fsr (2 copies) show 0 seconds
accumulated cputime.  xfsdump is waiting on lock_p, one xfs_fsr is
also waiting on lock_p and the other is waiting on "wait4". 
I'm assumming the 2 waiting on "lock_p" are the one's showing up
up in "top" as the load factor of 2 and 99% CPU spent in wait?

Regular file access to the /home partition seems unaffected.


2)  Seems to have cropped up after install of 2.6.6 -- odd WARNings
in my log file:


Jun  9 02:34:17 ishtar kernel: pagebuf_get: failed to lookup pages
Jun  9 03:15:13 ishtar kernel: pagebuf_get: failed to lookup pages
Jun  9 03:15:13 ishtar last message repeated 3 times
Jun  9 03:30:44 ishtar kernel: pagebuf_get: failed to lookup pages
Jun  9 03:30:44 ishtar kernel: pagebuf_get: failed to lookup pages
...backwards
Jun  8 02:31:11 ishtar kernel: pagebuf_get: failed to lookup pages
Jun  8 02:31:11 ishtar last message repeated 2 times
...backwards
Jun  4 02:31:43 ishtar kernel: pagebuf_get: failed to lookup pages
Jun  4 02:31:43 ishtar last message repeated 18 times
Jun  5 02:32:08 ishtar kernel: pagebuf_get: failed to lookup pages
Jun  5 02:32:08 ishtar last message repeated 15 times
...backwards
Jun  3 04:05:14 ishtar kernel: pagebuf_get: failed to lookup pages
---
I installed 2.6.6 on Jun 1,  I note that backups and fsr ran with no
warnings in the log, but every morning after that I seemed to have
gotten the error messages.

The warning messages didn't seem to be a problem, but the hanging of
the backup processes is definitely a "minus" in function...

Suggestions?
Revert to 2.6.5?


-l