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* Re: Odd keyboard related crashes.
@ 2001-10-05  9:17 Thomas Foerster
  0 siblings, 0 replies; 10+ messages in thread
From: Thomas Foerster @ 2001-10-05  9:17 UTC (permalink / raw)
  To: linux-kernel

> I'm running 2.4.10, and the ps/2 keyboard came out of it's socket.

> On plugging back in, all worked fine, until 10 seconds later there was a
> crash. (the keyboard worked after being plugged in)
> No oops, just a reboot.
> Thinking this must just have been a wierd coincidence, after the system
> came back up, I tried it again, and again it crashed a few seconds afterwards.

> It doesn't seem to want to do this again though.

That's not a linux related problem, its a hardware problem.

I have the same thing happen with a Windows 2000 box.
Whenever i plug out the keyboard while the system is running and plugging it in
again, the system reboots.
It's the only system i can reproduce the problem, all other Linux boxes
(whatever kernel is running) run stable when playing with the keyboard.

Thomas


^ permalink raw reply	[flat|nested] 10+ messages in thread
* Re: Odd keyboard related crashes.
@ 2001-10-09 10:51 Nicholas Berry
  2001-10-09 16:28 ` James Simmons
  0 siblings, 1 reply; 10+ messages in thread
From: Nicholas Berry @ 2001-10-09 10:51 UTC (permalink / raw)
  To: root, linux-kernel



>>> Ian Stirling <root@mauve.demon.co.uk> 10/08/01 12:21PM >>>
> 
> Pavel Machek <pavel@suse.cz> writes:
> 
> > Hi!
> > 
> > > >>> Ian Stirling <root@mauve.demon.co.uk> 10/05/01 05:01AM >>>
> > > >I'm running 2.4.10, and the ps/2 keyboard came out of it's socket.

>I should possibly have mentioned that APM is enabled on this machine,
> but no suspend/standby had been done, it's only for use in power-cuts
> when I want to minimise draw from the UPS batteries.
> The machine is an athlon desktop.

> I'll see if I can reproduce this with 2.4.11, 2.4.10 is utterly unusable
> for me. (totally insane swapping out causing things to get killed on 
> significant reading.

I think you'll find it with any kernel. I still think this is normal behaviour. Unplugging the keyboard is fine, and should break nothing. Plugging it back it should not work. I guess I could try it on my machine here at work, but I'm not going to ;-).



^ permalink raw reply	[flat|nested] 10+ messages in thread
[parent not found: <sbbd8e9c.095@mail-02.med.umich.edu>]
* Re: Odd keyboard related crashes.
@ 2001-10-05 14:42 Nicholas Berry
  2001-10-07  7:23 ` Pavel Machek
  0 siblings, 1 reply; 10+ messages in thread
From: Nicholas Berry @ 2001-10-05 14:42 UTC (permalink / raw)
  To: root, linux-kernel



>>> Ian Stirling <root@mauve.demon.co.uk> 10/05/01 05:01AM >>>
>I'm running 2.4.10, and the ps/2 keyboard came out of it's socket.

>On plugging back in, all worked fine, until 10 seconds later there was a
>crash. (the keyboard worked after being plugged in)
>No oops, just a reboot.
>Thinking this must just have been a wierd coincidence, after the system
>came back up, I tried it again, and again it crashed a few seconds afterwards.

>It doesn't seem to want to do this again though.

When the keyboard is powered up (or plugged in), it goes through a self test, and reports the status back to the PC. Normally, a start up dialogue takes place between the PC and the keyboard at this point.
That's fine when you boot your PC, but if you unplug then re-plug the keyboard, the PC will be sent data it's really not expecting, and the BIOS will be very confused.
If you ever want to switch a keyboard between PCs, make sure you leave power supplied to it at all times.



^ permalink raw reply	[flat|nested] 10+ messages in thread
* Odd keyboard related crashes.
@ 2001-10-05  9:01 Ian Stirling
  0 siblings, 0 replies; 10+ messages in thread
From: Ian Stirling @ 2001-10-05  9:01 UTC (permalink / raw)
  To: linux-kernel

I'm running 2.4.10, and the ps/2 keyboard came out of it's socket.

On plugging back in, all worked fine, until 10 seconds later there was a
crash. (the keyboard worked after being plugged in)
No oops, just a reboot.
Thinking this must just have been a wierd coincidence, after the system
came back up, I tried it again, and again it crashed a few seconds afterwards.

It doesn't seem to want to do this again though.


^ permalink raw reply	[flat|nested] 10+ messages in thread

end of thread, other threads:[~2001-10-09 18:02 UTC | newest]

Thread overview: 10+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2001-10-05  9:17 Odd keyboard related crashes Thomas Foerster
  -- strict thread matches above, loose matches on Subject: below --
2001-10-09 10:51 Nicholas Berry
2001-10-09 16:28 ` James Simmons
2001-10-09 16:02   ` Daniel Egger
     [not found] <sbbd8e9c.095@mail-02.med.umich.edu>
2001-10-05 21:24 ` Ian Stirling
2001-10-05 14:42 Nicholas Berry
2001-10-07  7:23 ` Pavel Machek
2001-10-08 15:18   ` Eric W. Biederman
2001-10-08 16:21     ` Ian Stirling
2001-10-05  9:01 Ian Stirling

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