I had similar problems - all went away when I disabled IO-APIC support for
UP-kernels...
Had this in 2.3.47. Kernels before these were all pre-2.3.36.
System: Dell Inspiron 7500, TI1225 controller.
Jeroen Hoogervorst
> It's definitely indicative of instability.
>
> > 2.3.49-1
> >
> > Feb 29 23:38:03 nightlight kernel: Yenta IRQ list 0000, PCI irq11
> > Feb 29 23:38:04 nightlight kernel: Yenta IRQ list 0000, PCI irq11
> >
> > Mar 1 09:14:58 nightlight kernel: Yenta IRQ list 0498, PCI irq11
> > Mar 1 09:14:59 nightlight kernel: Yenta IRQ list 0498, PCI irq11
>
> The above is bad. Your ISA interrupt probe is just not doing too well at
> all.. Sometimes nothing, sometimes a partial list.
>
> > 2.3.49-2
> >
> > Mar 1 11:44:20 nightlight kernel: Yenta IRQ list 0c98, PCI irq0
> > Mar 1 11:44:21 nightlight kernel: Yenta IRQ list 0c90, PCI irq0
> >
> > Mar 1 11:51:09 nightlight kernel: Yenta IRQ list 0c98, PCI irq0
> > Mar 1 11:51:09 nightlight kernel: Yenta IRQ list 0c98, PCI irq0
>
> This looks much better in that the interrupt probe itself is definitely
> more successful, but at the same time you lost your PCI interrupt which is
> really strange. The PCI interrupt is assigned by the BIOS or by the
> kernel, and that assignment should be quite repeatable.
>
> Mind attaching a fill dmesg for the two cases?
>
> Linus
>
>
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