Re: Toshiba keyboard lockups

[Fernando Paredes]

In case anyone's interested...

Applied these patches. Nothing while tail'ing /var/log/messages. Nothing 
in the root console that I can see either.

Patched the source to 2.6.6. Still get the same lockups, totally random.

Any more ideas?

- Fernando

R. J. Wysocki wrote:

> On Wednesday 12 of May 2004 01:33, Fernando Paredes wrote:
>  
>
> > There was a previous thread on this, last month.
> >
> > I updated to 2.6.6 and I still get these random lockups. Nothing in
> > dmesg or /var/log/messages. Too annoying as I have to reboot the machine
> > constantly. Does anyone know the status on this? Is t a toshiba hardware
> > bug (is that possible?) or a bug in serio.c or keybd.c?
> >    
>
> It's most probably Toshiba-related, because it does not happen on other 
> hardware, it seems.
>
> I've got a simple patch from Grzegorz Kulewski to help trace the problem, but 
> I haven't got a lockup since.  The patch is as follows:
>
> --- /usr/src/linux-2.6.5/drivers/input/serio/serio.c.orig	2004-04-04 
> 05:36:15.000000000 +0200
> +++ /usr/src/linux-2.6.5/drivers/input/serio/serio.c	2004-04-09 
> 18:28:50.268521936 +0200
> @@ -166,6 +166,11 @@ static int serio_thread(void *nothing)
> static void serio_queue_event(struct serio *serio, int event_type)
> {
> 	struct serio_event *event;
> +	
> +	if (event_type == SERIO_RESCAN || event_type == SERIO_RECONNECT) {
> +		printk(KERN_WARNING "serio: RESCAN || RECONNECT requested: %d!\n", 
> event_type);
> +		dump_stack();
> +	}
>
> 	if ((event = kmalloc(sizeof(struct serio_event), GFP_ATOMIC))) {
> 		event->type = event_type;
>
> Please try to apply it and you should get something in the logs when a lockup 
> occurs (ie. kernel warning + call trace).
>
> RJW
>
> -
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>  

--

<http://www.sun.com/software>                      <http://java.sun.com>
*Fernando Paredes
Identity & Collaboration
Sun Microsystems de México
Prol. Reforma #600-110, Col. Santa Fe, México D.F. 01210
Tel Dir: 52 + (55) 5258 6152
Fax: 52 + (55) 5258 6199*

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