Re: Toshiba keyboard lockups

[Fernando Paredes <Fernando.Paredes@Sun.COM>]

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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-- 

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*Fernando Paredes
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