Re: [discuss] x86-64: double timer interrupts in recent 2.4.x

[Vojtech Pavlik]

On Mon, Jun 21, 2004 at 12:45:51PM +0200, Milan Gabor wrote:
> Hi!
> 
> I have Suse 9.0 and dual Opteron on MSI K8T Master 2 motherboard.
> I also get  interrupts only on one cpu and my clock is ticking strange, 
> so I have to synchronize it with NTP server frequently.
> 
> This is from my system:
>            CPU0       CPU1
>   0:      30434   16139843    IO-APIC-edge  timer
>   1:        944          0    IO-APIC-edge  keyboard
>   2:          0          0          XT-PIC  cascade
>  14:         30          1    IO-APIC-edge  ide0
>  16:     657371          0   IO-APIC-level  eth0
>  20:     261267          0   IO-APIC-level  libata
> NMI:     694146     873271
> LOC:   16167676   16167576
> ERR:          1
> MIS:          0
> 
> Linux www 2.4.21-226-smp #1 SMP Tue Jun 15 09:14:10 UTC 2004 x86_64 
> x86_64 x86_64 GNU/Linux
> 
> 
> I am also running irq_balance and acpi=off set from grub boot menu.
> Without acpi=off system never boots.
> 
> Is there any solution, so clock will work OK and interrupts will be on 
> both CPUs?
> 
> MIlan

This patch could fix that (replace i386 with x86_64):

http://marc.theaimsgroup.com/?l=linux-kernel&m=108774225111967&w=2


-- 
Vojtech Pavlik
SuSE Labs, SuSE CR
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