geli freezing 8.0 RELEASE and 7.2-STABLE

[Pawel Jakub Dawidek]

On Sat, Dec 05, 2009 at 04:24:25PM +0100, Wiktor Niesiobedzki wrote:
> Hi,
> 
> I'm currently configuring new box with 8.0-RELEASE. I'm setting it up
> together with geli. From time to time I notice some small freezes (for
> 2-5 seconds) of the system.
> 
> I'm doing a small test. In one shell I'm running:
> 
> % while true ; do ; sleep 1; date ;done
> sob  5 gru 2009 16:02:48 CET
> sob  5 gru 2009 16:02:49 CET
> sob  5 gru 2009 16:02:50 CET
> sob  5 gru 2009 16:03:15 CET
> sob  5 gru 2009 16:03:16 CET
> sob  5 gru 2009 16:03:17 CET
> sob  5 gru 2009 16:03:18 CET
> sob  5 gru 2009 16:03:19 CET
> 
> (Note the gap between 16:02:50 and 16:03:15)

Hi Wiktor:)

My guess is that this is because GELI worker threads are running with
too high priority (at least for your configuration).

If I am right, the patch below should help you:

	http://people.freebsd.org/~pjd/patches/g_eli.c.2.patch

-- 
Pawel Jakub Dawidek                       http://www.wheel.pl
pjd at FreeBSD.org                           http://www.FreeBSD.org
FreeBSD committer                         Am I Evil? Yes, I Am!
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