Date: Mon, 21 Mar 2005 17:24:11 -0800
From: Andrew Morton <akpm@osdl.org>
To: Vojtech Pavlik <vojtech@suse.cz>
Cc: mjt@tls.msk.ru, linux-kernel@vger.kernel.org
Subject: Re: mouse&keyboard with 2.6.10+
Message-Id: <20050321172411.247e32b6.akpm@osdl.org>
In-Reply-To: <20050314164342.GA1735@ucw.cz>
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Vojtech Pavlik <vojtech@suse.cz> wrote:
>
> On Mon, Mar 14, 2005 at 07:38:21PM +0300, Michael Tokarev wrote:
> 
> > >>>Can you try 'usb-handoff' on the kernel command line?
> > >>
> > >>The problem has nothing to do with USB per se, as far as I can see.
> > >>PS2 keyboard and mouse does not work when the USB subsystem (incl.
> > >>usbcore) is not loaded.  And the problem is with PS2 keyboard/mouse,
> > >>not with USB one which works just fine.
> > > 
> > >Of course. Nevertheless 'usb-handoff' tells the BIOS not to meddle
> > >with the PS/2 interfaces, too. 
> > 
> > Oh me bad, I should listen to whatever is being said, instead of doing
> > my stupid guesses...  Just rebooted into 2.6.11.3 with usb-handoff and
> > both the keyboard and mouse are Just Works, and psmouse driver loads
> > almost immediately too.
> > 
> > Also, it works just fine after turning off USB Keyboard and Mouse
> > support in BIOS and without usb-handoff kernel parameter.
> > 
> > In 2.6.9 (it works just fine too, problem happens with 2.6.10 and up
> > only), there's no such parameter in drivers/pci/quirks.c.  Hmm.
> 
> Any chance the order of module loading changed between the two versions?
> I see you have 'psmouse' as a module. If i8042 (and psmouse) are loaded
> after uhci-hcd (or ohci-hcd), the problem will disappear, too.
> 
> > So is this a bios/mobo problem,
> 
> Yes.
> 
> > or can it be solved in kernel somehow?
> 
> We could have usb-handoff by default.

Did we decide to do that?  If so, will it be in 2.6.12?
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