Messages in this thread | | | Subject | Re: IO-APIC on nforce2 [PATCH] + [PATCH] for nmi_debug=1 + [PATCH] for idle=C1halt, 2.6.5 | From | Len Brown <> | Date | 22 Apr 2004 17:29:05 -0400 |
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On Thu, 2004-04-22 at 13:21, Len Brown wrote:
> > As for your patch, I get a fast timer, and gain about 1 sec per 5 minutes. > > The only patch that seemed to work without a fast timer so far was the one > > removed by Linus in a testing version. The AN35N has the timer override > > bug. > > Hmm, I didn't notice fast time on my FN41, i'll look for it. > > I'm not familiar with the "one removed by Linux in a testing version", > perhaps you could point me to that?
date seems to gain 9sec/hour on my Shuttle/SN41G2/FN41 when using IOAPIC timer.
booted with "noapic" for XT-PIC timer, it stays locked onto my wristwatch after an hour. If the workaround is disabled, and XT-PIC timer is used, it matches the "noapic" behaviour -- no drift.
I can't explain it. I think it is a timer problem independent of the IRQ routing.
-Len
ps. when i ran in XT-PIC mode there were lots of ERR's registered in /proc/interrupts -- doesn't look healthy.
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