Re: ACPI call for testing

[David Huang <khym%azeotrope.org@localhost>]

On Nov 13, 2009, at 1:54 AM, David Huang wrote:
> I have what may be a related problem on my Tyan K8WE system: An  
> amd64 -current kernel with ACPI and MP (is disabling that even an  
> option these days? I know it's not on i386; never checked on amd64)  
> works fine. However, if I add ehci, it seems to work fine until I  
> press a key on the PS/2 keyboard. Remotely ssh-ing in and doing  
> things seems fine, a "systat vm" shows a usual amount of interrupts.  
> However, once I press a key on the keyboard, the system gets  
> incredibly slow. Even kernel output looks like I'm connected with a  
> 300 baud modem. E.g., If I Ctrl-Alt-Esc to break into DDB, then do a  
> "ps", I can see it output the characters one at a time. I have no  
> idea what the interrupt rate is when it gets slow; it's slow enough  
> that I can't log in on the console (maybe I could if I were willing  
> to wait for a really long time), and a ssh session into the machine  
> is effectively hung too.


Oh, I forgot to mention that the behavior seems to be the same either  
with or without this ACPI patch.

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