Messages in this thread | | | Date | Thu, 23 Oct 2003 13:51:47 +0100 | From | James Courtier-Dutton <> | Subject | Re: nforce2 random lockups - still no solution ? |
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Samuel Kvasnica wrote: > Dear Gabor, > > thantks a lot, indeed you are right ! I've been confused by some nforce > FAQs where 'nolapic' option was recommended. In fact I did never check > whether this option > really exists. Now, after recompiling the kernel the framegrabber works > with uncompressed stream for almost 24h and it is rock-solid. > > So, a workaround recommendation for all using ivtv driver on nforce2 > chipsets and kernels up to 2.4.22: > > *** RECOMPILE YOUR KERNEL WITH LOCAL APIC DISABLED ***, > > otherwise you'll experience very rare random lockups while watching the > compressed stream and lockups within 10 minutes when watching the > uncompressed > yuv stream. > > What I'd like to know is whether this bug is AMD processor or chipset > related. Is there a patch available ? I tried 2.6.0-test8 and it wasn't > stable. I'd prefer to use APIC instead of XT-PIC because some drivers > e.g. kernel DRM don't support shared interrupts and I can't get own > interrupt for the video card. > > Sam > > > Vitez Gabor wrote: > >> Hi, >> >> On Wed, Oct 22, 2003 at 03:22:04PM +0200, Samuel Kvasnica wrote: >> >> >>> I'm booting the kernel with acpi=off, noapic and nolapic options and >> >> >> nolapic? That's not a valid kernel command line parameter I'm afraid. >> fgrep -ri nolapic $KERNEL_SOURCE_DIR >> >> gives nothing. ??? >> >> >> Gabor >>
Extract fron linux-2.6test8 Documentation/kernel-parameters.txt nolapic [IA-32,APIC] Do not enable or use the local APIC.
So, It is supported in the kernel 2.6.x
Cheers James
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