Date: Wed, 20 Nov 2013 16:08:35 -0800 From: Adrian Chadd <adrian@freebsd.org> To: Juris Kaminskis <juris.kaminskis@gmail.com> Cc: FreeBSD Questions <freebsd-questions@freebsd.org> Subject: Re: Restart of wireless service creates crash in system Message-ID: <CAJ-Vmo=MFhtuVp%2BVJ%2BTpxCeVzLp19gwZaSEidPTEu=JFW-7Mng@mail.gmail.com> In-Reply-To: <CAKJAkzvHfkTDXPwCdPcKxaNN6L%2BuAy_UFFki=TUDiOxLO3fBNQ@mail.gmail.com> References: <CAKJAkzum_tRTg5eHCXRxEBrcuMGsv2TaS5tJToxbr4Qr20heuQ@mail.gmail.com> <CAKJAkzvn6tS7rNbAn6AMf8MikioaMSJfYJzYQjvv%2BFEeTYHW-Q@mail.gmail.com> <CAJ-Vmonz5uW3UvbFYEUHpnXYGtE1ZWifqRqHaXk9gftZf-eJTg@mail.gmail.com> <CAKJAkzvHfkTDXPwCdPcKxaNN6L%2BuAy_UFFki=TUDiOxLO3fBNQ@mail.gmail.com>
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Try kgdb /boot/kernel/kernel.symbols ? -adrian On 18 November 2013 07:34, Juris Kaminskis <juris.kaminskis@gmail.com> wrote: > > 2013/11/18 Adrian Chadd <adrian@freebsd.org> >> >> Hi! >> >> Which version of FreeBSD? > > uname -a > FreeBSD 9.1-RELEASE FreeBSD 9.1-RELEASE #1 r255394: Mon Sep 16 23:40:54 > EEST 2013 root@:/usr/obj/usr/src/sys/THINKPAD_T43 i386 > >> It's possibly a bug in iwi, I'm not sure. >> >> Please do this: >> >> kgdb /boot/kernel/kernel >> >> list *0xc0751582 > > > When I do this I get following: > ..... > There is absolutely no warranty for GDB. Type "show warranty" for details. > This GDB was configured as "i386-marcel-freebsd"...(no debugging symbols > found)... > (kgdb) list *0xc0751582 > No symbol table is loaded. Use the "file" command > > Looks like I need to rebuild kernel for debugging support can you help me > what module needs to be loaded in the Kernel configuration when recompiling > it? Or can I dynamically via kldload make it happen? > > thanks > Juris >
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