Date: Thu, 14 Feb 2013 21:39:54 +0100 From: David Demelier <demelier.david@gmail.com> To: freebsd-stable@freebsd.org Cc: Ronald Klop <ronald-freebsd8@klop.yi.org> Subject: Re: Panic at shutdown Message-ID: <3573487.tLQXrFnTMD@melon.malikania.fr> In-Reply-To: <op.wseugbnu8527sy@212-182-167-131.ip.telfort.nl> References: <51127767.1030007@gmail.com> <2872289.1yXr0e1VeO@melon.malikania.fr> <op.wseugbnu8527sy@212-182-167-131.ip.telfort.nl>
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Le mardi 12 f=E9vrier 2013 21:42:01 Ronald Klop a =E9crit : > On Tue, 12 Feb 2013 19:44:49 +0100, David Demelier >=20 > <demelier.david@gmail.com> wrote: > > Le mardi 12 f=E9vrier 2013 10:01:10 Andriy Gapon a =E9crit : > >> on 12/02/2013 09:57 David Demelier said the following: > >> > Yes I have added debugging option in my kernel. I have makeoptio= ns > >> > DEBUG=3D-g in my config. Do I need more ? > >>=20 > >> .symbols? > >=20 > > 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 st= eps > > written > > there : > >=20 > > http://www.freebsd.org/doc/en/books/developers-handbook/kerneldebug= - > > gdb.html > >=20 > > So I've run > >=20 > > # cd /usr/obj/usr/src/sys/Melon > > # kgdb kernel.debug /var/crash/vmcore.0 >=20 > 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. >=20 > Regards, > Ronald. >=20 > > and that's the only trace I get using bt full : > >=20 > > 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. > >=20 > >=20 > > -- > > David Demelier > > _______________________________________________ > > freebsd-stable@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebs= d.org" >=20 > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.= org" Today I have a little bit more : #0 0xffffffff804f358b in isbufbusy (bp=3D0xfffffe0003810480) at=20 /usr/src/sys/kern/kern_shutdown.c:280 280 if (((bp->b_flags & (B_INVAL | B_PERSISTENT)) =3D=3D 0 = && (kgdb) bt full #0 0xffffffff804f358b in isbufbusy (bp=3D0xfffffe0003810480) at=20 /usr/src/sys/kern/kern_shutdown.c:280 No locals. #1 0x0000000000000004 in ?? () No symbol table info available. #2 0xffffffff804f3aa6 in kern_reboot (howto=3D260) at=20 /usr/src/sys/kern/kern_shutdown.c:451 _ep =3D (struct eventhandler_entry *) 0x100 _el =3D (struct eventhandler_list *) 0xffffffff804f35b3 first_buf_printf =3D 1 #3 0xffffffff804f3f69 in panic (fmt=3DVariable "fmt" is not available.= ) at /usr/src/sys/kern/kern_shutdown.c:624 td =3D (struct thread *) 0x1 bootopt =3D 260 newpanic =3D 1 ap =3D {{gp_offset =3D 16, fp_offset =3D 48, overflow_arg_area = =3D=20 0xffffff80daaf0420, reg_save_area =3D 0xffffff80daaf0350}} panic_cpu =3D 0 buf =3D "general protection fault", '\0' <repeats 231 times> #4 0xffffffff806fcf69 in trap_fatal (frame=3D0x9, eva=3DVariable "eva"= is not=20 available. ) at /usr/src/sys/amd64/amd64/trap.c:851 code =3D Variable "code" is not available. --=20 David Demelier
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