From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <3CA9FC24.5EA92B93@lvl7.com> Date: Tue, 02 Apr 2002 13:44:52 -0500 From: Neil Horman MIME-Version: 1.0 To: frowand@mvista.com Cc: linuxppc-embedded@lists.linuxppc.org Subject: Re: question regarding a call stack from an oops message References: <3CA9BF54.EAA3CEBD@lvl7.com> <3CA9F79A.99F5D00B@mvista.com> Content-Type: text/plain; charset=us-ascii Sender: owner-linuxppc-embedded@lists.linuxppc.org List-Id: Cool! Thanks. I reran ksymoops, and as it turns out the Letext below turns into do_page_fault, so that fits well. That will come in handy, and it answers question number 2. Thanks again. Any thoguhts on the first question :) ? Neil Frank Rowand wrote: > > Neil Horman wrote: > > > > Hello all! > > If anyone has a moment, I've got a question regarding the attached oops > > message. On the platform we are debugging we get this occasional oops message > > (attached). It doesn't start in any one point from the application code, but > > the lower half of it (from sys_read down) is always identiacal. Specifically I'm > > interested in the following snippet: > > >Trace; c00202d4 > > >Trace; c0009e3c > > >Trace; c00029a8 > > >Trace; c02e6e94 > >Trace; c002397c > > > Questions: > > 1) Can anyone think of any other theories that might cause this END_OF_CODE > > stack frame behavior? > > 2) Regarding the Letext stack frame: I see this often as well, and I'm a little > > puzzled. Is its appearance to be expected. I expected to see after a > > ret_from_except stack frame a link to one of the memory management handler > > routines (do_page_fault, etc), but I don't. For my own education, what is that > > Letext line? > > If you look in System.map you should see that each address for which an Letext > entry also has another entry with a valid name. > > You can get better symbols in your stack trace if you do something like: > > mv System.map System.map.OLD > grep -v Letext System.map.OLD >System.map > > -Frank > -- > Frank Rowand > MontaVista Software, Inc > ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/