Re: IDE lockups in 2.1.95+
mlord (mlord@pobox.com)
Mon, 13 Apr 1998 18:17:05 -0400
Serguei Koubouchine wrote:
>
...
> > Before I applied MLord's latest SMP-patch IDE was useless under loadin an
> > SMP-environment. My test consists of:
> >
> > while [ true ] recompile kernel
> > dd if=/dev/hda of=/dev/null
> > dd if=/dev/hdc of=/dev/null
> > ssh MACHINE "cat /dev/zero" | /dev/null (10 Mb/s)
> > a couple of updatedb's
> >
> > Before the SMP-ide patch the machine crashed after a couple of minutes.
> > Now it's been going for 10 hours (yeaa, I have a spare dual PPro to play with
> > :-).
> >
> > 2.1.95 + ide-2.1.95+.pat1
>
> I do have this patch applied, but the system still hangs under a heavy
> load (when doing "make -j" on glibc LA sometimes hits 100+)...
>
> The lockup seems to be caused by a lost interrupt from DMA controller...
Turn on the DEBUG_SPINLOCKS (set it to 2) in
linux/include/asm/spinlock.h
and see if it catches anything from somewhere *other than* sched.c.
Thanks.
--
mlord@pobox.com
The Linux IDE guy
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu