Re: Panic in 5.4 as of today

On Tue, Apr 05, 2005 at 09:42:21AM +0200, Thomas E. Zander wrote:
> On Mon, 04. Apr 2005, at 14:46 -0700, Kris Kennaway wrote
> according to [Re: Panic in 5.4 as of today]:
> 
> > > #51 0xc0547e1b in sched_switch (td=0x1d, newtd=0x81ef50c, flags=Cannot access memory at address 0xbfbfed28
> > > ) at /usr/src/sys/kern/sched_ule.c:1300
> > 
> > 1) Problems with FreeBSD-STABLE should go to the freebsd-stable_at_
> > mailing list
> 
> Yes, I know. Just thought that I should report to current because...
> 
> > 2) ULE is known to still have bugs.  Jeff is now aware of them, so
> > hopefully he'll be able to come up with a fix.
> 
> ...the crash is - as you pointed - ULE related which isn't completely
> "stable" right now and sched_ule.c differs from stable to current by
> only one commit. I'll see if I can reproduce this crash later with
> the latest ULE from current.

That also has known panics.  See if you can reproduce it with 4BSD, to
rule out the scheduler as a contributing factor.

Kris