On Sat, 17 Feb 2001, Igor Yanover wrote:

>     Recently I came across two more things, that are possibly related to
> IO-APIC problems:
> 1)http://xfree86.org/pipermail/xpert/2001January/004751.html
>     Someone with SMP that has problem with interrupt delivery (stuck
> interrupt). Only in SMP mode and this is not NE2000 related.

 I've already talked to the guy.  Some software reprograms the 8254 timer
to a weird mode (one-shot, IIRC; I have full details if anyone wants to
work on it).  I suspect XFree86 to be at fault. 

> 2)http://developer.intel.com/software/idap/media/pdf/copy.pdf ( Page 8
> footer)
>    It turns out, that there's an errata in early Pentium III revisions,
> that could corrupt data written to IO-APIC. ( Only if SSE write is
> followed by an APIC write)

 We don't do SSE writes before APIC writes (they must mean the local APIC
-- I can't check the doc at the moment).

-- 
+  Maciej W. Rozycki, Technical University of Gdansk, Poland   +
+--------------------------------------------------------------+
+        e-mail: [EMAIL PROTECTED], PGP key available        +

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to