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Date:      Sat, 20 Apr 2002 19:44:06 -0700
From:      Terry Lambert <tlambert2@mindspring.com>
To:        Lyndon Nerenberg <lyndon@orthanc.ab.ca>
Cc:        freebsd-hackers@freebsd.org
Subject:   Re: Entering DDB from X11
Message-ID:  <3CC22776.CD4B8EB9@mindspring.com>
References:  <200204202133.g3KLXFJ80571@orthanc.ab.ca>

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Lyndon Nerenberg wrote:
> I've been having problems with a machine locking up while running X11,
> and the usual console break sequence doesn't work.  Is there a way to
> break to the kernel debugger from X11?  Or am I stuck with wiring
> up a serial port console?

This comes up every so often, I'm surprised you didn't find it
in the mailing list archives when you searched on the terms "DDB"
and "X11"...

Use the GGI port for FreeBSD, and run X that way.  GGI knows how
to put the video card back into a known state from the X11 state,
which is required in order to run the debugger.

Or wire a serial console.

-- Terry

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