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SubjectRe: 2.5.68-mmX: Drowning in irq 7: nobody cared!
On Llu, 2003-05-05 at 22:30, Andrew Morton wrote:
> Shane Shrybman <> wrote:
> >
> > Hi,
> >
> > I am getting a lot of these in the logs. This is with the ALSA emu10k1
> > driver for a SB live card. This is a x86, UP, KT133 system with preempt
> > enabled. The system seems to be running fine.
> >
> > handlers:
> > [<d8986540>] (gcc2_compiled.+0x0/0x390 [snd_emu10k1])
> > irq 7: nobody cared!
> Beats me. Does this fix it up?

With APIC at least it doesnt suprise me the least. The IRQ hack seems
extremely racey. Remember on most systems (especially with PIII type
APIC) IRQ delivery is asynchronous to the bus so you get

IRQ arrives
sound card
clean up IRQ
IRQ sent
still more work, do it

IRQ arrives
sound card
Umm duh no work for me


For anything where you get pairs of close IRQ's

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