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Date:      Fri, 3 Jan 2003 11:07:45 -0800 (PST)
From:      Nate Lawson <nate@root.org>
To:        ryan beasley <ryanb@goddamnbastard.org>
Cc:        freebsd-current@freebsd.org
Subject:   Re: current/stable remote gdb interoperability
Message-ID:  <Pine.BSF.4.21.0301031105440.98827-100000@root.org>
In-Reply-To: <20030103151344.GA50346@goddamnbastard.org>

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On Fri, 3 Jan 2003, ryan beasley wrote:
>     The serial port on the -CURRENT machine is compiled at 38400.  FYI,
>     jesper == 4.7R-p2 debugging box, and fredrik == 5.0 panic box.  This
>     instance of gdb was compiled from source w/ the patches found in the
>     devel/gdb52 port.  (I don't have room for the ports tree locally.)
> 
>     The problem I'm running into is primarily erratic behavior.  The trace
>     trap shown below occurs frequently, and while it's only a minor
>     annoyance, my main concern is gdb randomly freezing when attempting to
>     get a backtrace.  (Sometimes it'll run to completion, others will hang
>     between frames.)

The bt command causes a lot of serial io and so you are probably running
into problems with siointr() not being fast.  Try backing down to 9600 and
see if that works.  I've had a similar problem before.  Everything else
you are doing seems ok.

-Nate


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