sleep(3) sometimes too sleepy on FreeBSD 8.0?

[John Marshall]

On Tue, 23 Feb 2010, 11:36 +0200, Kostik Belousov wrote:
> On Tue, Feb 23, 2010 at 12:35:22PM +1100, John Marshall wrote:
> > Environment: sendmail 8.14.4 on FreeBSD 8.0-RELEASE-p2
> > 
> > Since upgrading a few local servers to FreeBSD 8.0-RELEASE (and
> > subsequently 8.0-RELEASE-p2), I have been seeing VERY intermittent
> > problems with sendmail persistent queue runners.  One or more queue
> > runners will fail to wake up (having been told to sleep for either 1 or
> > 5 seconds) and mail accumulates in their queue group queues.

> I think the best way to collect the data would be ktrace the queue runners,
> preferrably starting the ktrace before they are stuck.

OK.  I've started a ktrace for the sendmail process group on each of the
three servers.  I'll re-start the ktrace each day until a problem
appears (could be another couple of weeks).

Thank you.

-- 
John Marshall
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 196 bytes
Desc: not available
Url : http://lists.freebsd.org/pipermail/freebsd-stable/attachments/20100223/412ffc64/attachment.pgp