Date: Fri, 6 Jun 2008 08:08:29 +0200 From: "Riaan Kruger" <riaank@gmail.com> To: 1@movesmountains.com Cc: freebsd-questions@freebsd.org Subject: Re: Query on kgdb output Message-ID: <85c4b1850806052308l6a2ccd6bp2a24527b373b1ef5@mail.gmail.com> In-Reply-To: <019b01c8c6f2$ddc7e730$f001a8c0@asgard.movesmountains.com> References: <019b01c8c6f2$ddc7e730$f001a8c0@asgard.movesmountains.com>
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On Thu, Jun 5, 2008 at 11:59 AM, <1@movesmountains.com> wrote: > Hi, > I'm seeing regular kernel panics on my new box with a fresh install of > 7.0-RELEASE. I'm trying to get some information out of kgdb by following > the instructions in the handbook - however, I'm getting a 'cannot access > memory' message when I try it: > > odin2008# kgdb kernel.debug /var/crash/vmcore.1 > [GDB will not be able to debug user-mode threads: /usr/lib/libthread_db.so: > Undefined symbol "ps_pglobal_lookup"] > GNU gdb 6.1.1 [FreeBSD] > Copyright 2004 Free Software Foundation, Inc. > GDB is free software, covered by the GNU General Public License, and you > are > welcome to change it and/or distribute copies of it under certain > conditions. > Type "show copying" to see the conditions. > There is absolutely no warranty for GDB. Type "show warranty" for details. > This GDB was configured as "i386-marcel-freebsd". > Cannot access memory at address 0x2fd9 > (kgdb) where > #0 0x00000000 in ?? () > (kgdb) quit > > > Am I doing something wrong, or does this point to a hardware failure? (I'm > also seeing missing characters in /var/log/messages, which I addressed in a > separate mail; not sure if it's related). > > Sorry the first reply went to the wrong place. What info does a stack trace (commadn bt in kgdb) give? Riaan
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