merged in bk5 Re: Catching NForce2 lockup with NMI watchdog - found?

[Bob]

if you're following this thread, good news--

nforce2 fixups have been merged in
linux-2.6.0-test11-bk5.patch
>  -bk snapshot (patch-2.6.0-test11-bk5)

nforce2-disconnect-quirk.patch
>  [x86] fix lockups with APIC support on nForce2
>
> nforce2-apic.patch
>  [x86] do not wrongly override mp_ExtINT IRQ

plus promise and sis fixes so I don't need to pay
for a 3ware controller ;-)   that was another
show-stopper for me earlier

> We're all trying to get acpi, apic, lapic, io-apic working
> when turned on in cmos/bios and kernel.
>
> The three things that each alone have achieved stability
> on somebody's system here are 1) bios update 2) cpu
> disconnect off either in cmos if available or by athcool
> or kernel patch with same 3) timing delay patch
>
> For CPU disconnect you still need athcool or this one
> http://www.kernel.org/pub/linux/kernel/people/bart/2.6.0-test11-bart1/broken-out/nforce2-disconnect-quirk.patch 
>
>
> Both patches are for 2.6.0-test11 kernel.
>
> turn on ioapic edge timer--
>
> http://www.kernel.org/pub/linux/kernel/people/bart/2.6.0-test11-bart1/broken-out/nforce2-apic.patch 
>
>
>
> Other changes offer clues and expose symptoms but
> are not helpful or necessary after da fix is in. udma
> settings are a kludge of a error symptom, just aspirin.
>
> Other kludges are acpi off, local apic off in kernel,
> apic off in cmos/bios. These go away when the real
> problem is fixed.
>
> -Bob
>
> Craig Bradney wrote:
>
> > On Mon, 2003-12-08 at 04:21, Ross Dickson wrote:
> >  
> >
> > > On Monday 08 of December 2003 04:08, Bob wrote: > >>Sounds great.. 
> > > maybe you have come across something. Yes, the CPU > >>Disconnect 
> > > function arrived in your BIOS in revision of 2003/03/27 > 
> > > >>"6.Adds"CPU Disconnect Function" to adjust C1 disconnects. The 
> > > Chipset > >>does not support C2 disconnect; thus, disable C2 
> > > function." > >> > >>For me though.. Im on an ASUS A7N8X Deluxe v2 
> > > BIOS 1007. From what I can > >>see the CPU Disconnect isnt even in 
> > > the Uber BIOS 1007 for this ASUS > >>that has been discussed. > >> > 
> > > >>Craig > >
> > > > >I don't have that in MSI K7N2 MCP2-T near the > >agp and fsb 
> > > spread spectrum items or anywhere >> else.   
> > >
> > > > Use athcool:        
> > > > http://members.jcom.home.ne.jp/jacobi/linux/softwares.html#athcool
> > > > or apply kernel patch (2.4 and 2.6 versions were posted already). 
> > > > --bart     
> > >
> > > Please take a look at
> > > Fixes for nforce2 hard lockup, apic, io-apic, udma133 covered
> > >
> > > in mailing list.
> > >
> > > I approached it from another angle regarding delaying the apic ack 
> > > in local timer irq
> > > and achieved stability. It would be good to have others try it. Ian 
> > > Kumlien is also
> > > reporting success so far.
> > >
> > >   
> >
> >
> > Although I had long uptimes before.. and therefore might achieve them
> > again fairly easily.. I'm now on 2 days 10 hours which has included a
> > lot of compilation and a lot of idle time, and plenty of the hdpar and
> > grep tests. I have used only the IRQ0 IO-APIC edge patch.
> >
> > Can someone please note all the patches for 2.6 that people have tried
> > and what they achieve? Im starting to get a bit lost, given the fact
> > that I'm running stable here with only 1 patch. (so far - this is where
> > it crashes after I click Send I suppose ;) )
> >
> > -apic
> >  
>   -local apic("lapic")
>
>   -acpi
>
> kernel local apic issue and acpi and apic go together,
> but turning off lapic first might achieve stability for
> some, updating bios will enable using all bios and
> linux apic, acpi, lapic, ioapic for some(me twice).
>
> > -io-apic (IRQO set to XT-PIC incorrectly)
> >
> > -udma133?
> >  
> udma133 may be a clue but I don't think anyone
> achieves stability one way or the other on that. I
> flogged every possible hdparm change and tried
> three brands of hd controller without every
> achieving stability, but once you're stable by
> using other means you can use 133 and unmask
> irq(not for siig sis?) and other hdparm opts.
>
> > -cpu disconnect patch (missing bios option for ACPI Cx states)
> >
> > Craig
> >  
>
>
> -
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