Re: [patch] voluntary-preempt-2.6.9-rc1-bk4-R1

[Luke Yelavich]

On Fri, Sep 03, 2004 at 08:29:48PM EST, Ingo Molnar wrote:
> * Luke Yelavich <luke@xxxxxxxxxxxxxx> wrote:
> > I am using a D-Link KVM here between my notebook and my desktop
> > machine. It is the desktop I am currently testing these patches on,
> > and the KVM requires a double-tap of the scroll lock key to switch
> > between machines. With the latest R0 patch, something is not working
> > when I attempt to change from my desktop to my notebook. The KVM
> > usually lets out a beep when I can use the arrow keys to switch, but
> > it isn't here. Adding to that, my console locks up totally for about
> > 10 seconds, before allowing me to go on and type commands. [...]
> 
> i have a KVM too to two testsystems and unfortunately i cannot reproduce
> your problems neither with KVM (key-based-)switching nor with scroll
> lock. But this KVM uses a triple-key combination to switch, not
> scroll-lock.
> 
> it's a PS2 keyboard, right?

Yes, that is correct.

> If yes then does:
> 
> 	echo 0 > /proc/irq/1/i8042/threaded
> 	( maybe also: echo 0 > /proc/irq/12/i8042/threaded )
> 
> fix the problem? The PS2 driver has been a bit unrobust when hardirq
> redirection is enabled.

I only had to turn off IRQ threading for 1, and all is well again.

> 
> > [...] I also seem to get some debugging output or a trace of some sort
> > when rebooting, and the kernel panics with the message: (0)Kernel
> > Panic - not syncing: Failed exception in interrupt
> 
> hm. Would be nice to get a serial console capture of this, if possible.

I am pretty sure I have a cable, however my desktop is the only computer in this
room that has serial ports, and I also don't know how to set up a serial
console. If you feel that this is important, I will see what I can do.
-- 
Luke Yelavich
http://www.audioslack.com
luke@xxxxxxxxxxxxxx
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