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Date:      Tue, 12 Feb 2013 21:42:01 +0100
From:      "Ronald Klop" <ronald-freebsd8@klop.yi.org>
To:        freebsd-stable@freebsd.org
Subject:   Re: Panic at shutdown
Message-ID:  <op.wseugbnu8527sy@212-182-167-131.ip.telfort.nl>
In-Reply-To: <2872289.1yXr0e1VeO@melon.malikania.fr>
References:  <51127767.1030007@gmail.com> <CAO%2BPfDeGfN1MjMAv63WzuRfm1VK3ZoHd7N=tEFu-NS1KJYyuoQ@mail.gmail.com> <5119F6C6.8010802@FreeBSD.org> <2872289.1yXr0e1VeO@melon.malikania.fr>

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On Tue, 12 Feb 2013 19:44:49 +0100, David Demelier  =

<demelier.david@gmail.com> wrote:

> Le mardi 12 f=C3=A9vrier 2013 10:01:10 Andriy Gapon a =C3=A9crit :
>> on 12/02/2013 09:57 David Demelier said the following:
>> > Yes I have added debugging option in my kernel. I have makeoptions
>> > DEBUG=3D-g in my config. Do I need more ?
>>
>> .symbols?
>
> I don't understand what you are saying, I have  =

> /boot/kernel/kernel.symbols.
> Please tell me what I'm doing wrong. I've just read and done the steps=
  =

> written
> there :
>
> http://www.freebsd.org/doc/en/books/developers-handbook/kerneldebug-
> gdb.html
>
> So I've run
>
> # cd /usr/obj/usr/src/sys/Melon
> # kgdb kernel.debug /var/crash/vmcore.0

Why not something like kgdb /boot/kernel/kernel.symbols  =

/var/crash/vmcore.0?
That looks like what the manual page of kgdb seems to suggest.

Regards,
Ronald.


>
> and that's the only trace I get using bt full :
>
> 229     #define IS_BSP()        (PCPU_GET(cpuid) =3D=3D 0)
> (kgdb) bt full
> #0  doadump (textdump=3D<value optimized out>) at pcpu.h:229
> No locals.
> #1  0x0000000000000000 in ?? ()
> No symbol table info available.
>
>
> --
> David Demelier
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