Re: Severe IRQ problems on Foster (P4 Xeon) system

Alan Cox (alan@lxorguk.ukuu.org.uk)
Wed, 20 Mar 2002 14:29:10 +0000 (GMT)


> Depending on the configuration -- a user may specify "notsc" for whatever
> reason (although admittedly, that's mostly a debugging option).

Mixed multiplier x86 for one - I've got some basic code there to handle
this automatically but its not yet finished. Plenty of BP6 folks have
mismatched celewrongs

> no need to keep it enabled unconditionally and I/O cycles are quite
> expensive. The following patch implements it. Please test it. It should
> cure your problems as a side effect, but that does not mean the BIOS isn't
> to be fixed.

The DMI strings for that bios version would be useful to so that we can
panic with a "BIOS upgrade required" message
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