Re: 2.4.3: still experiencing APIC-related hangs

From: Kurt Garloff (garloff@suse.de)
Date: Mon Apr 09 2001 - 16:22:11 EST


On Fri, Mar 30, 2001 at 08:32:39AM -0800, idalton@ferret.phonewave.net wrote:
> On Fri, Mar 30, 2001 at 02:32:24PM +0200, Frank de Lange wrote:
> > Subject says it all: 2.4.3 (unpatchaed) is still causing the dreaded
> > APIC-related hangs on SMP BX systems (Abit BP-6, maybe Gigabyte). I still need
> > to apply one of Maciej's patches to get rid of these hangs. The source comments
> > in arc/i386/kernel/apic.c ("If focus CPU is disabled then the hang goes away")
> > are incorrect, as the hang does not go away by simply disabling focus CPU. The
> > only way for me to get rid of the hangs is to apply patch-2.4.1-io_apic-46
> > (which does the LEVEL->EDGE->LEVEL triggered trick to 'free' the IO_APIC). I've
> > been running with this patch for quite some time now, and have not experienced
> > any problems with it. Maybe it it time to include it in the main kernel,
> > perhaps as a configurable option ("BROKEN_IO_APIC")?

Same for me.

> > Maciej, did you submit the patch to Linus? It really seems to solve the
> > (occurence of the) problems with these boards...
>
> Where is this patch found? I am not seeing it so far on kernel.org.

Attached, as I assume more people are interested in it ...

Regards,

-- 
Kurt Garloff  <garloff@suse.de>                          Eindhoven, NL
GPG key: See mail header, key servers         Linux kernel development
SuSE GmbH, Nuernberg, FRG                               SCSI, Security



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