Hi'all,
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")?
Maciej, did you submit the patch to Linus? It really seems to solve the
(occurence of the) problems with these boards...
Cheers//Frank
--
WWWWW _______________________
## o o\ / Frank de Lange \
}# \| / \
##---# _/ <Hacker for Hire> \
#### \ +31-320-252965 /
\ [email protected] /
-------------------------
[ "Omnis enim res, quae dando non deficit, dum habetur
et non datur, nondum habetur, quomodo habenda est." ]
On Fri, 30 Mar 2001, Frank de Lange wrote:
> Maciej, did you submit the patch to Linus? It really seems to solve the
> (occurence of the) problems with these boards...
I suppose Alan is going to pass the patch to Linus eventually. I think
there is actually a number of people interested in the fix, so I may pass
it to Linus independently, but I'm really time-constrained these days, so
it might not happen before 2.4.3 (I don't feel safe about submitting a
patch without actually run-time testing it against whatever test kernel is
current at the moment).
--
+ Maciej W. Rozycki, Technical University of Gdansk, Poland +
+--------------------------------------------------------------+
+ e-mail: [email protected], PGP key available +
On Fri, Mar 30, 2001 at 02:32:24PM +0200, Frank de Lange wrote:
> Hi'all,
>
> 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")?
>
> 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.
-- Ferret
On Fri, Mar 30, 2001 at 08:32:39AM -0800, [email protected] wrote:
> On Fri, Mar 30, 2001 at 02:32:24PM +0200, Frank de Lange wrote:
> >
> > 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.
It is allmost ancient history, from days long gone when men were men, women
were women and Linux had only reached 2.4.1...
I can send you a copy, if you need it...
Cheers//Frank
--
WWWWW _______________________
## o o\ / Frank de Lange \
}# \| / \
##---# _/ <Hacker for Hire> \
#### \ +31-320-252965 /
\ [email protected] /
-------------------------
[ "Omnis enim res, quae dando non deficit, dum habetur
et non datur, nondum habetur, quomodo habenda est." ]
On Fri, Mar 30, 2001 at 08:32:39AM -0800, [email protected] 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 <[email protected]> Eindhoven, NL
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