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SubjectRe: 2.6.0-test3-bk6: hang at i8042.c when booting with no PS/2 mouse attached
On Mon, Aug 18, 2003 at 09:09:16PM +0200, Felipe Alfaro Solana wrote:

> If I try to boot my P4 box (i845DE motherboard) with no PS/2 mouse
> plugged into the PS/2 port, the kernel hangs while checking the AUX
> ports in function i8042_check_aux(). The i8042_check_aux() function is
> trying to request IRQ #12, but the call to request_irq() causes the
> hang. The kernel hangs exactly at:
>
> if (request_irq(values->irq, i8042_interrupt, SA_SHIRQ,
> "i8042", i8042_request_irq_cookie))

What happens if you remove the SA_SHIRQ and replace with 0?

> in drivers/input/serio/i8042.c, with a value of 12 for values->irq. If I
> boot with my PS/2 mouse attached, the kernel is able to boot normally.
> Also, disabling ACPI support in the kernel allows me to boot
> 2.6.0-test3-bk6 with no PS/2 mouse plugged in.

--
Vojtech Pavlik
SuSE Labs, SuSE CR
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