Re: [ 57/72] genirq: Unmask oneshot irqs when thread was not woken

From: Thomas Gleixner
Date: Tue Mar 06 2012 - 15:54:59 EST


On Tue, 6 Mar 2012, Thomas Gleixner wrote:
> On Tue, 6 Mar 2012, Sven Joachim wrote:
> > Am 06.03.2012 um 20:31 schrieb Thomas Gleixner:
> >
> > > Stephan, Sven: Can you please provide the output of /proc/interrupts ?
> >
> > Here is mine, from a freshly booted 3.3-rc6 kernel.
> >
> > Cheers,
> > Sven
> >
> > CPU0
> > 0: 25050 XT-PIC-XT-PIC timer
> > 1: 101 XT-PIC-XT-PIC i8042
> > 2: 0 XT-PIC-XT-PIC cascade
> > 3: 1 XT-PIC-XT-PIC
> > 4: 1 XT-PIC-XT-PIC
> > 5: 0 XT-PIC-XT-PIC ehci_hcd:usb1, uhci_hcd:usb2
> > 6: 1 XT-PIC-XT-PIC i915, uhci_hcd:usb5, yenta
> > 7: 1 XT-PIC-XT-PIC
> > 8: 0 XT-PIC-XT-PIC rtc0
> > 9: 634 XT-PIC-XT-PIC acpi
> > 10: 341 XT-PIC-XT-PIC uhci_hcd:usb4, snd_hda_intel, b43
>
> Ah, XT-PIC uses handle_level_irq(). /me bangs head against desk.

Ha, nosmp on the command line lets me reproduce as well and the patch
fixes it. Duh, stupid me.

Thanks,

tglx
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