Re: nforce2 random lockups - still no solution ?

[Mikael Pettersson]

Samuel Kvasnica writes:
 > 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.

Chipset and/or BIOS. AMD processors are known to work in other mobos.

You may try disabling just I/O-APIC or ACPI.
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