6.0-CURRENT very unstable with PREEMPTION

[Markie]

----- Original Message -----
From: "Stefan Ehmann" <shoesoft at gmx.net>
To: <current at freebsd.org>
Sent: Tuesday, September 21, 2004 8:23 PM
Subject: Re: 6.0-CURRENT very unstable with PREEMPTION


| On Tue, 2004-09-14 at 12:11, Stefan Ehmann wrote:
| > Since it's default now, I turned PREEMPTION (with SCHED_4BSD) on again
| > in my KERNCONF on my 6.0-CURRENT i386 pc.
| >
| > After about 10-15 minutes some windows stop beeing redrawn... new terms
| > can be started very slowly for a short period of time. Then everything
| > completely freezes.
| >
| > Unfortunately I can't provide much more information. So far I've only
| > been able to reproduce this in X. Getting coredumps has not been
working
| > for months now and I don't have a serial console setup.
| >
| > Without PREEMPTION everything works very stable.
|
| Tried today again with fresh world/kernel and was able to reproduce the
| hang in the console. The only thing working after a while was switching
| consoles. No panic or any other messages though.
|

I had that problem the other day, with a -CURRENT before all the PREEMPTION
stuff was put in :-) around 1st of June kernel I think.

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