Messages in this thread | | | Date | Thu, 30 Sep 2004 15:24:27 +0100 (BST) | From | "Maciej W. Rozycki" <> | Subject | Re: nforce2 bugs? |
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On Thu, 30 Sep 2004, Prakash K. Cheemplavam wrote:
> The only problem is the apic timer thing. It just gets activated if the > correct BIOS Version is found (see the dmi scan thingie). So I just pass > acpi_skip_timer_override to the kernel to be sure.
There appears to be another timer problem, too -- at least for some boards the system timer (the 8254 PIT) has a noisy output. When routed to an I/O APIC input it makes the system time go fast enough the NTP daemon isn't able to compensate (it's a few minutes per day fast). The problem goes away when routing it to the 8259A PIC, presumably because the 8259A inputs are not "sticky" in the edge-triggered mode -- at the worst you only get spurious interrupts reported in /proc/interrupts in the "ERR" counter.
An nVidia feedback would be appreciated. Allen?
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