DomainKey-Signature: a=rsa-sha1; c=nofws;
        d=gmail.com; s=gamma;
        h=message-id:date:from:to:subject:cc:in-reply-to:mime-version
         :content-type:content-transfer-encoding:content-disposition
         :references;
        b=EI7bLFeDXZUzfwdZ5Cvodzo2pj5TBqQgFr/vk53uGZHjmiYE4MsLzJQnATw/VrmJJ0
         OPSptvggnkRInDtNay89BliDlDxh6ZrkBa7SU2WrTwcCIDhqa+8g1S6LI2Xb3jC/BW1n
         iqe3TCiLy7xiAn8/Q1PSRPb/jUzr7BQ8a2NNY=
Message-ID: <9bd6b5360812310016k7a75bf8fpbb49de8d9799cbdf@mail.gmail.com>
Date: Wed, 31 Dec 2008 16:16:41 +0800
From: sniper <s3c24xx@gmail.com>
To: "Daniel Phillips" <phillips@phunq.net>
Subject: Re: [Tux3] Tux3 report: A Golden Copy
Cc: tux3@tux3.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
In-Reply-To: <200812310000.55256.phillips@phunq.net>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
References: <200812301935.49303.phillips@phunq.net>
	 <9bd6b5360812302334t2c6aca67s62ba54438d2bda9e@mail.gmail.com>
	 <200812310000.55256.phillips@phunq.net>
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 1368
Lines: 33

On Wed, Dec 31, 2008 at 4:00 PM, Daniel Phillips <phillips@phunq.net> wrote:
> On Tuesday 30 December 2008 23:34, sniper wrote:
>> Great, I have mounted tux3 filesystem under UML with stuffs in this mail,
>> but I still can't debug it with gdb. Anyone gives me suggestion?
>
> You just have to give a "cont" command a bunch of times and you will
Yes, it works now,

Thanks.
> eventually get to a command prompt.  The reason for this is, uml uses
> the segfault interrupt as part of its machine simulation, and there
> is no exsiting way for uml and gdb to communicate in such a way that
> uml can recognize that the interrupt came from its own code and filter
> it.
>
> Jeff Dike is the expert on this, and Daniel Jacobowitz is the expert
> on the gdb side.  Fixing this would be a big effort, getting two complex
> systems to cooperate better, with nontrivial API issues to solve.  But
> UML is such a wonderful kernel development tool that it might be worth
> the effort.
>
> In the mean time, you could just tell gdb to mask off all segfaults,
> but would be kind of problematic for debugging.
>
> Regards,
>
> Daniel
>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/