Messages in this thread | | | Date | Wed, 14 May 2003 22:18:58 +0200 (CEST) | Subject | Re: APIC error | From | Rene Rebe <> |
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HI,
On: Wed, 14 May 2003 14:55:37 +0200, mikpe@csd.uu.se wrote:
> > Those errors only seem to happen during high disk-io (SCSI or IDE). > > What specific meaning do those errors have? Are they dangerous? > > They are defined in Intel's IA32 manual set, volume 3, > "System Programming Guide", downloadable from developer.intel.com. > > These errors mean that APIC bus messages are lost or have checksum errors. > You don't say which kernel you're using or which chipset, but chances are > your mobo's APIC bus is noisy. > > > Each CPU survives hours in memtest86 ... And with maxcpus=1 it also > > does not seem to happen ... The BIOS is latest. > > You can try booting with "noapic", that should let you keep using SMP > while avoiding your possibly buggy APIC bus.
Thanks for the anwer I googled for this before the mail but only found much noise ... I'll triy noapic (I thought this would disable SMP, too), but I already had to notice that with maxcpus=1 I also get some few APIC errors.
Is there drawback in using noapic in SMP mode?
Sincerely, René Rebe
-- René Rebe - Europe/Germany/Berlin rene@rocklinux.org rene.rebe@gmx.net http://www.rocklinux.org http://www.rocklinux.org/people/rene http://gsmp.tfh-berlin.de/gsmp http://gsmp.tfh-berlin.de/rene
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