Messages in this thread | | | From | Dmitry Torokhov <> | Subject | Re: 2.6 kernel won't reboot on AMD system - 8042 problem? | Date | Sun, 8 Aug 2004 10:05:14 -0500 |
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On Sunday 08 August 2004 07:18 am, Sascha Wilde wrote: > On Fri, Aug 06, 2004 at 10:22:57AM +0200, David N. Welton wrote: > > [ Re-added Sascha to the CC, as he's interested in this too. ] > > > > James Lamanna wrote: > > > > >Change i8042.c:62 to > > >#define DEBUG > > >And see what printk's you get on trying to reboot. > > >i8042_command has a bunch in it that are turned off by default. > > I just did some further testing, the problem here is exactly the same > as Davids. And thinking about the exact point of failure and that > Davids reboot problem is related to the keyboard being attached or not > I realized what causes the problems for me: > > I have a keyboard attached to the PS/2 port, but my mouse is attached > to USB. So I pluged in a PS/2 mouse, and guess what? The box > rebooted! > > Well, this is by no means a solution, but I think it's pretty clear > now, what exactly causes the trouble. Now we have to find out, why > the i8042 code in 2.6.x breaks things on sertain hardware when there > are not devices present in all ports, while in 2.4.x everything went > well... >
You could also try out the following scenario: remove your USB mouse and _do not_ plug PS/2 one... What you might be seeing is another case of USB Legacy emulation thingy getting in your way.
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