Re: ACPI regression in 2.6.25-rc6 (function keys stop working)
From: Rafael J. Wysocki
Date: Wed Mar 19 2008 - 19:42:01 EST
On Tuesday, 18 of March 2008, Alexey Starikovskiy wrote:
> Tim Elliott wrote:
> > I am seeing the same problem on my Lenovo 3000 v100. The function keys
> > stopped working.
> >
> > tim@tim-len:~$ cat /proc/interrupts
> > CPU0 CPU1
> > 0: 164105 0 IO-APIC-edge timer
> > 1: 12560 0 IO-APIC-edge i8042
> > 9: 6 0 IO-APIC-fasteoi acpi
> > 12: 117534 0 IO-APIC-edge i8042
> > 14: 51 0 IO-APIC-edge ide0
> > 16: 31 0 IO-APIC-fasteoi uhci_hcd:usb4,
> > i915@pci:0000:00:02.0
> > 18: 121892 0 IO-APIC-fasteoi uhci_hcd:usb3, iwl3945
> > 19: 36197 0 IO-APIC-fasteoi uhci_hcd:usb2, ahci
> > 20: 7931 0 IO-APIC-fasteoi eth0
> > 22: 11071 0 IO-APIC-fasteoi sdhc0:slot0, HDA Intel
> > 23: 5 0 IO-APIC-fasteoi uhci_hcd:usb1, ehci_hcd:usb5
> > NMI: 0 0 Non-maskable interrupts
> > LOC: 11296 73879 Local timer interrupts
> > RES: 23199 49164 Rescheduling interrupts
> > CAL: 297 27033 function call interrupts
> > TLB: 838 1286 TLB shootdowns
> > TRM: 0 0 Thermal event interrupts
> > THR: 0 0 Threshold APIC interrupts
> > SPU: 0 0 Spurious interrupts
> > ERR: 0
> >
> > The problem goes away when reverting 2c81ce4c9c37b910210f2640c28e98a0c398dc26
> >
> > Reverting the above and applying the patch in comment #38 of bug #9998
> > also works (http://bugzilla.kernel.org/show_bug.cgi?id=9998).
> reverting the above and patch in comment #38 of #9998 are the same thing.
> I am really interested if after revert (or application of #38) you notice a
> difference in interrupt count before and after applying #37 from #9998.
What is the relationship between this problem and bug #10279?
Rafael
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