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SubjectRe: [patch] voluntary-preempt-2.6.9-rc1-bk4-Q3
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On Sat, 2004-08-28 at 19:51, Lee Revell wrote:
> On Sat, 2004-08-28 at 17:16, Lee Revell wrote:
> > On Sat, 2004-08-28 at 17:13, Ingo Molnar wrote:
> > > ok, will add this to -Q4.
> > >
> >
> > Hrm, Q3 broke my PS/2 keyboard.
> >

Some more info:

This bug is 100% reproducible. During boot, as soon as the i8042 driver
is loaded:

serio: i8042 AUX port at 0x60,0x64 irq 12
serio: i8042 KBD port at 0x60,0x64 irq 1
input: AT Translated Set 2 keyboard on isa0060/serio0

the keyboard freezes, with 'Num Lock' stuck on.

The problem only occurs when CONFIG_PREEMPT_HARDIRQS=y. Works fine
otherwise.

/proc/interrupts:

CPU0
0: 509819 XT-PIC timer
1: 1649 XT-PIC i8042
2: 0 XT-PIC cascade
8: 4 XT-PIC rtc
10: 0 XT-PIC uhci_hcd, EMU10K1
11: 24394 XT-PIC uhci_hcd, eth0
12: 0 XT-PIC uhci_hcd
14: 1 XT-PIC ide0
15: 12864 XT-PIC ide1
NMI: 0
ERR: 0

Lee

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