Stability Issues on 5.4-RELEASE Box
kris at obsecurity.org
Thu Mar 1 19:45:27 UTC 2007
On Wed, Feb 28, 2007 at 05:39:48PM -0500, alex at schnarff.com wrote:
> >I'm not running your application mix, but I've never seen random reboots
> >unless there were hardware issues. With 5.X these included having
> >hyperthreading turned on, which I know caused problems with my dual XEON
> Hmmm...two answers so far, two people saying "hyperthreading can be an
> issue." I'll definitely have that turned off ASAP.
HTT isn't expected to cause problems at least on modern versions of
FreeBSD (I dont remember if old versions like 5.4 have a bug), but it
could be if you are running older hardware with broken BIOS support.
> >>* Issues with files that are not found on startup sometimes, but are
> >>other times. Prime example: the Zope CMS system that's been
> >>installed failed to find libmysqlclient.so after a planned soft
> >>reboot, but found it with no trouble on a subsequent boot a few
> >>minutes later, with no config changes in between.
> >Haven't seen that; are there any messages indicating you're having
> >filesystem problems?
> Thanks for asking; I see some new nasties in /var/log/messages:
> Feb 27 09:05:37 www fsck: /dev/ad4s1f: PARTIALLY TRUNCATED INODE I=9397392
> Feb 27 09:05:37 www fsck: /dev/ad4s1f: UNEXPECTED SOFT UPDATE
> INCONSISTENCY; RUN fsck MANUALLY.
You definitely need to drop to single-user mode and fsck -f:
filesystem corruption can cause many problems.
> >>* Given my dmesg below, do you see any specific problems?
> >The interrupt storm on uhci1+ is not a good thing.
> Any thoughts on how to fix it?
You can disable USB support if you do not need it, otherwise a fix
will probably involve an upgrade to a newer version as a first step.
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