[Lguest] Gdb in lguest

Sakari Ailus sakari.ailus at iki.fi
Tue Sep 10 07:22:32 EST 2013


Hi Rusty,

On Wed, Sep 04, 2013 at 02:58:06PM +0930, Rusty Russell wrote:
> Sakari Ailus <sakari.ailus at iki.fi> writes:
> > Hi,
> >
> > I recently tried to run gdb in lguest over an ssh connection which, much 
> > to my surprise, brought the whole guest down with a message "lguest: Bad 
> > address 0xdb49adac". This is reproducible. I'm running Linux 3.9.2.
> >
> > I haven't had time to investigate this further yet.
> 
> Cool, thanks for the bug report!
> 
> I reproduced it, and uncovered three bugs, which is pretty good.  I'd
> never run gdb under lguest (we don't support debug registers, so much
> isn't available).
> 
> You should be able to run gdb after applying these three patches
> (actually, the last two are enough).

That was quick! I just had time to try out the patches, and I can confirm
they fix the issue. Thanks!

I see you already sent a pull request so no Tested-by: this time.

-- 
Kind regards,

Sakari Ailus
e-mail: sakari.ailus at iki.fi	XMPP: sailus at retiisi.org.uk


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