Re: Regression: ps2mouse not working in 2.6.34

[Dmitry Torokhov <dmitry.torokhov@gmail.com>]

On Monday, June 28, 2010 10:18:35 am Mark Lord wrote:
> On 28/06/10 12:33 PM, Dmitry Torokhov wrote:
> > On Mon, Jun 28, 2010 at 12:04:46PM -0400, Mark Lord wrote:
> >> Okay, who broke it, and how do I re-enable it?
> >> 
> >> The PS/2 mice on my systems here don't do anything with 2.6.34.
> >> One system complains that I need to boot with i8042.nopnp to enable it,
> >> which I also tried, but still nogo.  Same behaviour with or without
> >> /dev/psaux enabled.  64-bit kernel.
> >> 
> >> The other system, running older userspace, hangs at the X-server startup
> >> because it cannot find the mouse.  No i8042 warnings.   32-bit kernel.
> >> 
> >> Both systems working fine with older kernels.
> >> Google finds lots of other people discovering the same problem.
> >> 
> >> What gives?
> > 
> > Well, lest start small: did it work ifor you with 2.6.33? Does kernel
> > discover AUX serio port (dmesg)? What about the mouse itself? Is it
> > absent or is it not reporting events?
> 
> ..
> 
> I started by crawling into the wire nest under the table.  :)
> 
> After a certain amount of experimentation, it appears that the newer
> kernel is not compatible with the USB-to-PS2 dongle on the end of the
> mouse. I found a different USB-to-PS2 dongle which does work, though.
> 
> Very weird.  I can mail you the other dongle if are really interested
> in figuring out what broke and fixing it.

Hmm, let me dig out one of my dongles first and see if it is broken too... If 
not I might be interested in getting yours but no promises - time is tight ;(

Thanks.

-- 
Dmitry