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Date: Fri, 21 May 2004 16:03:43 -0600
From: Nathan Kinkade <nkinkade@ub.edu.bz>
To: Michal Pasternak <michal@pasternak.w.lub.pl>
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Subject: Re: Debugging a process
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On Fri, May 21, 2004 at 10:47:17PM +0200, Michal Pasternak wrote:
> Michal Pasternak [Fri, May 21, 2004 at 08:38:41PM +0200]:
> > Hello,
> >=20
> > I've got an Epson printer I've set up with CUPS. Unfortunatley it came =
out,
> > that the program CUPS uses internally (rastertoprinter) gets some kind =
of
> > lockup right after ending the page - it starts to eat up 100% CPU; CUPS=
 gets
> > the message "Page finished", but the job stays there - and the printer
> > device (lpt0) is in use.
> >=20
> > Well, so I did "gdb", attached to the PID, typed "bt"... nothing. Just =
a few
> > lines with addr no and question marks.
>=20
> Well, I'm answering myself:=20
>=20
> 	$ gdb nameOfExecutableWithDebugSymbols
> 	gdb> attach PID
>=20
> ... and, voila, that's all that it's needed.

You could also use ktrace(1).

Nathan

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