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Date:      Sun, 21 May 2006 14:01:16 +0200
From:      "Dominique Goncalves" <dominique.goncalves@gmail.com>
To:        "Yar Tikhiy" <yar@comp.chem.msu.su>
Cc:        freebsd-current@freebsd.org
Subject:   Re: kbdmux + ddb = hard freeze
Message-ID:  <7daacbbe0605210501m68b30568tc5f766074f5431e6@mail.gmail.com>
In-Reply-To: <20060521103706.GC78879@comp.chem.msu.su>
References:  <20060521103706.GC78879@comp.chem.msu.su>

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Hi,

On 5/21/06, Yar Tikhiy <yar@comp.chem.msu.su> wrote:
> Just to save other folks' time, I'd like to remind that using
> Ctrl+Alt+Esc to escape to ddb still leads to the system freezing
> hard if kbdmux is enabled--at least with a PS/2 keyboard.  I had
> missed this issue when it was brought up here a month ago, so I
> spent some time to find why my system was hanging dead.  Possible
> workarounds found:
>
> - remove kbdmux from the kernel configuration file
>
> - disable kbdmux in device.hints:
>     hint.kbdmux.0.disabled=3D"1"
>
> - go straight to remote gdb:
>     sysctl debug.kdb.current=3Dgdb
>     sysctl debug.kdb.enter=3D1

There is a patch here
http://lists.freebsd.org/pipermail/freebsd-current/2006-April/062615.html

HTH

> --
> Yar
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>

Regards.

--=20
There's this old saying: "Give a man a fish, feed him for a day. Teach
a man to fish, feed him for life."



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