Panic at shutdown

[David Demelier]

2013/2/14 David Demelier <demelier.david at gmail.com>

> Le mardi 12 février 2013 21:42:01 Ronald Klop a écrit :
> > On Tue, 12 Feb 2013 19:44:49 +0100, David Demelier
> >
> > <demelier.david at gmail.com> wrote:
> > > Le mardi 12 février 2013 10:01:10 Andriy Gapon a écrit :
> > >> on 12/02/2013 09:57 David Demelier said the following:
> > >> > Yes I have added debugging option in my kernel. I have makeoptions
> > >> > DEBUG=-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) == 0)
> > > (kgdb) bt full
> > > #0  doadump (textdump=<value optimized out>) at pcpu.h:229
> > > No locals.
> > > #1  0x0000000000000000 in ?? ()
> > > No symbol table info available.
> > >
> > >
> > > --
> > > David Demelier
> > > _______________________________________________
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> "
>
> Today I have a little bit more :
>
> #0  0xffffffff804f358b in isbufbusy (bp=0xfffffe0003810480) at
> /usr/src/sys/kern/kern_shutdown.c:280
> 280             if (((bp->b_flags & (B_INVAL | B_PERSISTENT)) == 0 &&
> (kgdb) bt full
> #0  0xffffffff804f358b in isbufbusy (bp=0xfffffe0003810480) at
> /usr/src/sys/kern/kern_shutdown.c:280
> No locals.
> #1  0x0000000000000004 in ?? ()
> No symbol table info available.
> #2  0xffffffff804f3aa6 in kern_reboot (howto=260) at
> /usr/src/sys/kern/kern_shutdown.c:451
>         _ep = (struct eventhandler_entry *) 0x100
>         _el = (struct eventhandler_list *) 0xffffffff804f35b3
>         first_buf_printf = 1
> #3  0xffffffff804f3f69 in panic (fmt=Variable "fmt" is not available.
> ) at /usr/src/sys/kern/kern_shutdown.c:624
>         td = (struct thread *) 0x1
>         bootopt = 260
>         newpanic = 1
>         ap = {{gp_offset = 16, fp_offset = 48, overflow_arg_area =
> 0xffffff80daaf0420, reg_save_area = 0xffffff80daaf0350}}
>         panic_cpu = 0
>         buf = "general protection fault", '\0' <repeats 231 times>
> #4  0xffffffff806fcf69 in trap_fatal (frame=0x9, eva=Variable "eva" is not
> available.
> ) at /usr/src/sys/amd64/amd64/trap.c:851
>         code = Variable "code" is not available.
>
>
I feel very very ashamed because these random panics were occurring because
of my kernel config that contained drm and radeondrm devices while I use
x11/nvidia-driver.. However, I think we should add a notice in the
nvidia-driver pkg-message to prevent any problems?

-- 
Demelier David