Re: Broken sata (VIA) on Asus A8V (kernel 2.6.14+)

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On Thu, Feb 02, 2006 at 08:50:41PM +0900, Tejun Heo wrote:
> Vladimir B. Savkin wrote:
> >On Thu, Feb 02, 2006 at 08:35:20AM +0900, Tejun Heo wrote:
> >
> >>Your BMDMA controller is reporting raised interrupt (0x4) and your drive 
> >>is saying that it's ready for the next command, yet interrupt handler of 
> >>sata_via hasn't run and thus the timeout.  It looks like some kind of 
> >>IRQ routing problem to me although I have no idea how the problem 
> >>doesn't affect the boot process.
> >>
> >>Can you try to boot with boot parameter pci=noacpi?
> >
> >
> >That did not help.
> >
> >And yes, irqbalance is running, as Kenneth suggested.
> >
> 
> Sadly, I'm pretty much ignorant with that part of the kernel.  However, 
> if it's really because interrupts are lost when sent to one of the 
> processors, one of the following should keep the system going while the 
> other cause the problem immediately.
> 
> echo 1 > /proc/irq/your_IRQ_number/smp_affinity
> 
> or...
> 
> echo 2 > /proc/irq/your_IRQ_number/smp_affinity
 
It is certainly not that simple.
Just playing with smp_affinity (with irqbalance stopped) gives no errors.

~
:wq
                                        With best regards, 
                                           Vladimir Savkin. 

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