APIC on AMD Athlon 2500+ Broken?

Kareem Shehata kareem-d+8TeBu5bOew5LPnMra/2Q at public.gmane.org
Mon Jul 5 14:21:57 UTC 2004

On Mon, 2004-07-05 at 10:06, Taavi Burns wrote:
> On Mon, Jul 05, 2004 at 10:01:10AM -0400, Kareem Shehata wrote:
> > Here's the strange part:  what was causing my system to lock up solid
> > was APIC support.  Any kernel that I've run with APIC enabled will crash
> > after what seems like a random period of time no matter what devices are
> > in use.  The system is now running just fine, but I figured APIC would
> > help improve stability and performance.  Is this a known bug in either
> > the kernel or my hardware (Asus A7N8X Deluxe with an Athlon XP 2500+),
> > or do I simply have a crappy chip?
> Check http://bugzilla.kernel.org to see if anyone else has run into those
> problems.  I had issues with the ACPI (NOT APIC) Processor Driver on my
> Thinkpad with a 1.8GHz Pentium-M, and after searching the bugzilla archives
> (and finding nothing), I opened a new bug, and at least now have this
> workaround (don't enable the processor driver).  AFAIK, the processor
> driver isn't all that useful on a Pentium-M anyway.  But I digress.
> Go check with bugzilla.  :)

Found it!

Seems I'm not the only one, and there's a patch for it.  It's going to
take me a bit to go through the details, and I'm a little reluctant to
move away from something I've just made stable, but at least now I know
what I'm facing.

Thanks Taavi!


   kareem-d+8TeBu5bOew5LPnMra/2Q at public.gmane.org   -    Kareem Shehata     -     416-766-4911     
      The most exciting phrase to hear in science, the one that
      heralds new discoveries, is not "Eureka!" (I found it!) but
      "That's funny ..."
        -- Isaac Asimov

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