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Re: snia lcrash questions

To: pearlste@xxxxxxxxxxxx
Subject: Re: snia lcrash questions
From: Dave Craft <dcraft@xxxxxxxxxxxxxx>
Date: Wed, 14 Mar 2001 12:46:51 -0600 (CST)
Cc: Moo.Kim@xxxxxxx (Moo Kim), dcraft@xxxxxxxxxxxxxx (Dave Craft), yakker@xxxxxxxxxxxxxx (Matt D. Robinson), lkcd@xxxxxxxxxxx
In-reply-to: <3AAFB9A0.1A2A313E@xxxxxxxxxxxx> from "Ken Pearlstein" at Mar 14, 2001 01:34:08 PM
Sender: owner-lkcd@xxxxxxxxxxx
        The two routines you cite are in the kernel.
        If your crash emanates from routines in a module,
        you won't get a traceback of any routine name
        in your module.

        dave
>
>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
>
>--
>==========================================================================
>Ken Pearlstein                                  Field Tech Support Analyst
>
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>C/O SILICON GRAPHICS                        pearlste@xxxxxxxxxxxxxxxxxxx
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>=========================================================================
>
>
>
>


        Mail : dave@xxxxxxxxxxxxxx      Phone : 512-838-8248            
                    I am Jack's email closing

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