Re: Linux Kernel cfs scheduler and xorg kbd

[Rene Herman <rene.herman@gmail.com>]

On 08/01/2007 03:07 PM, Indan Zupancic wrote:

> On Wed, August 1, 2007 14:50, Rene Herman wrote:

> > On 08/01/2007 02:34 PM, Indan Zupancic wrote:
> >
> > > On Wed, August 1, 2007 13:01, Rene Herman wrote:
> > > > Teresa was already using 2.6.22.1, with CFS (v19.1) patched in, so reverting
> > > > that would be a matter of patching it out again. She said she wasn't seeing
> > > > trouble on other kernels though.
> > > >
> > > > I was the one who also saw keyboard trouble on 2.6.22.1 without CFS by the
> > > > way -- and haven't (yet) seen any anymore since patching _in_ CFS v19.1...
> > > Could the people who had or have keyboard problems try out Dmitry's
> > > input locking patches, and see if those help: http://lkml.org/lkml/2007/7/24/17
> > > And if it does, report it to him, either there or here after CCing him.
> > I'm having trouble reproducing this at will -- it sounded as though Teresa
> > had less trouble at least originally. Teresa?
>
> Same here, so testing is a pain. I was more thinking about running a patched
> version for a day or longer and see if it happened or not. For me it happened
> irregularly, but definitely a few times a day.
>
> (It might help if people report what they're using. So, for what it's worth, I'm
> using a PS/2 keyboard with xorg 1.2.0 with the "keyboard" driver.)

PS/2 keyboard, X.org 1.3.0 (version is at the top of /var/log/Xorg.0.log, or 
wherever your distribution puts that log), and this xkb config (in 
/etc/X11/xorg.conf):

Section "InputDevice"
        Identifier      "Keyboard0"
        Driver          "kbd"
        Option          "XkbModel"      "pc104"
        Option          "XkbLayout"     "us"
        Option          "XkbVariant"    "euro"
        Option          "XkbOptions"    "compose:rctrl"
EndSection

(you can forget that XkbVariant -- it's not yet in most distributions).

Problem as observed here consists of a sporadically stuck delete key in 
Thunderbird 2.0.0.5, using kernel 2.6.22.1 vanilla -- not yet observed using 
2.6.22.1-cfs-v19.1

Rene.

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