Re: 2.6 kernel won't reboot on AMD system - 8042 problem?

From: Vojtech Pavlik
Date: Wed Aug 11 2004 - 07:26:28 EST


On Wed, Aug 11, 2004 at 01:31:13AM -0500, Dmitry Torokhov wrote:
> On Thursday 05 August 2004 07:48 am, David N. Welton wrote:
> > By putting a series of 'crashme/reboot' calls into the kernel, I
> > narrowed a possibl cause of it down to this bit of code in
> > drivers/input/serio.c:753
> >
> > /*
> > * Write CTR back.
> > */
> >
> > if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR)) {
> > printk(KERN_ERR "i8042.c: Can't write CTR while initializing i8042.\n");
> > return -1;
> > }
> >
> > If I do the reboot instructions before this, it reboots fine.
> > Afterwards, and it just sits there, no reboot.
>
>
> Hi,
>
> Could you please try the patch below? I am interested in tests both with
> and without keyboard/mouse. The main idea is to leave ports that have been
> disabled by BIOS alone... The patch compiles but otherwise untested. Against
> 2.6.7.

Well, this has a problem - plugging a mouse later will never work, as
the interface will be disabled by the BIOS if a mouse is not present at
boot.

>
> BTW, do you both have the same motherboard/chipset? Maybe a dmi entry is in
> order...
>
> Thanks!
>

--
Vojtech Pavlik
SuSE Labs, SuSE CR
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