Re: isa0060/serio0 problems -WAS- Re: Asus MB and 2.6.12 Problems

[Dmitry Torokhov]

On Thursday 04 August 2005 22:54, Andrew Morton wrote:
> Dmitry Torokhov <dtor_core@xxxxxxxxxxxxx> wrote:
> >
> > On Thursday 04 August 2005 22:09, Frank Peters wrote:
> > > I'll use bugzilla to report any problems with 2.6.13-rc6.
> > > 
> > > But since I've included the "usb-handoff" option at boot time,
> > > all my problems (except the long dhcp/eth0 connect time) are
> > > now gone.  Right now I'm using 2.6.13-rc5.
> > > 
> > > I understand the need to pinpoint the kernel version, but the
> > > "usb-handoff" option has even corrected some problems that
> > > started in linux-2.4.x.  For example, my PS/2 mouse now functions
> > > normally.  It has not worked with this motherboard since some time
> > > in the 2.4.x series.  Also, my keyboard lights were malfunctioning
> > > under X-Window since early 2.6.x, but with the "usb-handoff" option
> > > they are working normally now.
> > > 
> > > If I had known about the "usb-handoff" option earlier, this thread 
> > > probalby would not even have come into existence.  As long as "usb-handoff"
> > > keeps working, I would consider the issue closed.
> > > 
> > 
> > We really really need to make usb-handoff default. Even if there known boxes
> > that don't like it the blacklist would be rather short, much shorter than
> > a whitelist.
> 
> Sounds like a fun thing for post-2.6.13.
> 
> What does usb-handoff do, precisely?
> 

It requests BIOS to hand off control of USB which disables USB legacy emulation
and all troubles associated with it. We could start with -mm...

-- 
Dmitry
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