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Re: snia lcrash questions

To: Moo Kim <Moo.Kim@xxxxxxx>
Subject: Re: snia lcrash questions
From: Ken Pearlstein <pearlste@xxxxxxxxxxxx>
Date: Wed, 14 Mar 2001 13:34:08 -0500
Cc: Dave Craft <dcraft@xxxxxxxxxxxxxx>, "Matt D. Robinson" <yakker@xxxxxxxxxxxxxx>, lkcd@xxxxxxxxxxx
References: <3AAFAC82.6FFB0C78@xxxxxxxxxxxxxx> <200103141749.LAA45332@xxxxxxxxxxxxxxxxxxxx> <20010314102514.L18766@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
Reply-to: pearlste@xxxxxxxxxxxx
Sender: owner-lkcd@xxxxxxxxxxx
Moo Kim wrote:

Here is the output from lcrash of the trace command ... I called panic when
the rmmod was done

>> trace e000000049420000
================================================================
STACK TRACE FOR TASK: 0xe000000049420000 (rmmod)

 0 dump_execute+380 [0xe00000000071b9dc]
 1 panic+508 [0xe0000000005bfc9c]

this trace seems correct .... What part of lcrash is not working in
analyzing modules ??

>  I somehow assumed that lcrash was capable of debugging
>  kernel modules.   I guess not.   Is it possible to
>  incorporate Dave's patch into lcrash distribution
>  because it will be extremely useful for kernel module
>  developer ?
>
>  Thanks,
>
>  Moo Kim    Moo.Kim@xxxxxxx
>  NCR Corporation
>
> On Wed, Mar 14, 2001 at 11:49:04AM -0600, Dave Craft wrote:
> >
> > >You can't use a module to call panic().  lcrash isn't capable (yet)
> > >of debugging kernel modules.  The resulting crash dump may not be
> >
> >       Regarding the above statement about inability to
> >       debug kernel modules.  Did you guys ever get around
> >       to looking/rewriting the patch I supplied for getting tracebacks
> >       in kernel modules?  The patch still applies and still
> >       works.  Its buried in the archives of this mailing list.
> >
> >       Is there any idea on when we'd see comparable
> >       function make it into lcrash?
> >
> > --
> >       Mail : dave@xxxxxxxxxxxxxx      Phone : 512-838-8248
> >                   I am Jack's email closing

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