usb/175731: detaching USB keyboard freezes other USB keyboards

Yuri yuri at rawbw.com
Thu Jan 31 19:07:49 UTC 2013


On 01/31/2013 08:20, Norbert Koch wrote:
>   It seems to be an X11 only problem.
>   My xorg.conf is auto-generated. Hald is running.
>   In xorg.conf I see Driver "kbd".
>   Does X11 bypass kbdmux?
>   


This is the same problem I was seeing. Xorg assumes there is only one 
keyboard. When hald notifies xorg that some keyboard is detached, xorg 
unloads the keyboard driver. Even though xorg didn't open that 
particular device (normally kbdmux is the keyboard driver) You can see 
it in xorg.log

See this PR https://bugs.freedesktop.org/show_bug.cgi?id=60069
If you disable hald in xorg.conf, you may experience another issue with 
disconnectable devices: https://bugs.freedesktop.org/show_bug.cgi?id=60070

Yuri



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