Re: NForce2 + linux 2.6.3-rc2 + acpi,apic patches

[Mark Rutherford]

Jesse,

I saw this thread on the mailing list about your sucess with the nforce2...
I havent had much sucess with it, and was wondering if you have tried -rc3
Also, do you know if Andrew Morton's patches are cumulative?
would he have these patches in rc3-mm2 ?

I have been using my nforce2 machine in XT-PIC ... and its pretty bad.
I have some hardware that doesnt want to share the irq so it gets dicey.
I would like to get it fixed, I have posted, but I didnt get a response.

Thanks!


On Tuesday 10 February 2004 08:29 pm, Jesse Allen wrote:
> Hi,
>
> I have noticed two patches in Andrew Morton's tree, 2.6.3-rc1-mm1, that may
> be helpful for me and other nforce 2 users.  The two patches are
> nforce-irq-setup-fix.patch
> 8259-timer-ack-fix.patch
>
> I have compiled 2.6.3-rc2 with those two patches included.  Here is
> /proc/interrupts after reboot:
>   0:    2347129  local-APIC-edge  timer
>   1:       6604    IO-APIC-edge  i8042
>   2:          0          XT-PIC  cascade
>   4:       4458    IO-APIC-edge  serial
>   7:          0    IO-APIC-edge  parport0
>   8:          1    IO-APIC-edge  rtc
>   9:          0   IO-APIC-level  acpi
>  14:       4456    IO-APIC-edge  ide0
>  15:         17    IO-APIC-edge  ide1
>  20:     239364   IO-APIC-level  eth0, ohci_hcd
>  21:          0   IO-APIC-level  ehci_hcd, NVidia nForce2
>  22:          0   IO-APIC-level  ohci_hcd
>
>
> Timer is now local-APIC-edge instead of XT-PIC.  Seems to be better now. 
> I've checked to see if the problem with large clock time gain returned.  So
> far, it seems to be perfectly synced with my watch.
>
> I don't know if local-APIC or IO-APIC are really any different with the
> timer. If there is something I should know about the difference, someone
> please let me know =)
>
> Also, here's a snippet from dmesg:
> enabled ExtINT on CPU#0
> ESR value before enabling vector: 00000000
> ESR value after enabling vector: 00000000
> ENABLING IO-APIC IRQs
> init IO_APIC IRQs
>  IO-APIC (apicid-pin) 2-0, 2-16, 2-17, 2-18, 2-19, 2-20, 2-21, 2-22, 2-23
> not connected. ..TIMER: vector=0x31 pin1=2 pin2=-1
> ..MP-BIOS bug: 8254 timer not connected to IO-APIC
> ...trying to set up timer (IRQ0) through the 8259A ...  failed.
> ...trying to set up timer as Virtual Wire IRQ... works.
> Using local APIC timer interrupts.
> calibrating APIC timer ...
> ..... CPU clock speed is 1912.0861 MHz.
> ..... host bus clock speed is 332.0671 MHz.
>
>
> Thanks Ross and Maciej for the patches!
>
> Jesse
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