Re: 2.6.25-rc5.git4 regression PS/2 mouse not detected/working

[Balaji Rao]

On Wednesday 02 April 2008 09:03:28 pm Dmitry Torokhov wrote:
> Hi Blaji,
> 
> On Wed, Apr 02, 2008 at 08:38:33PM +0530, Balaji Rao wrote:
> > 
> > Coincidentally even I hit upon this bug a couple of days ago after enabling 
> > HPET in my BIOS. A quick check told me that IRQ 12 which the patch assigns to 
> > the HPET device is used by the PS/2 mouse as well. This makes the mouse 
> > inactive.
> > 
> > I am working on this.. I am not sure if the PS/2 code is misbehaving though..
> >
> 
> Normally IRQ12 can not be shared on X86 if PS/2 mouse is present.
> If PCI side tries to grab the IRQ then ISA (legacy) side will never
> see its interrupts coming.
> 
OK. So, I need to specifically check for IRQ12 being assigned and avoid it ?

-- 
regards,
balaji rao
Dept. of Mechanical Engineering,
National Institute of Technology Karnataka, India
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