linux-kernel - Re: ACPI regression in 2.6.25-rc6 (function keys stop working)

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Message-Id: <200803192310.18692.rjw@sisk.pl>
Date:	Wed, 19 Mar 2008 23:10:17 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Alexey Starikovskiy <astarikovskiy@...e.de>
Cc:	Tim Elliott <tle@...ymonkey.com>,
	Guillaume Chazarain <guichaz@...il.com>,
	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
	lenb@...nel.org
Subject: Re: ACPI regression in 2.6.25-rc6 (function keys stop working)

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@...-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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