Date: Tue, 12 Feb 2008 09:42:16 +0100 From: "Petr Holub" <hopet@ics.muni.cz> To: <stable@FreeBSD.org> Subject: 6.3-RELEASE kernel panic Message-ID: <042b01c86d53$2effac40$8cff04c0$@muni.cz>
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Hi, just another kernel panic: it may be due to a buggy IBM USB keyboard with integrated touchpad. I got random generation of ESC ^G characters. When unplugging this keyboard from the box for the second time, I got the following panic (admitting that it doesn't look like a keyboard related crash): [root@ /var/crash]# kgdb /boot/kernel/kernel ./vmcore.11 kgdb: kvm_nlist(_stopped_cpus): kgdb: kvm_nlist(_stoppcbs): [GDB will not be able to debug user-mode threads: /usr/lib/libthread_db.so: Unde fined 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". (no debugging symbols found)...Attempt to extract a component of a value that is not a structure pointer. (kgdb) bt #0 0xc06a46a6 in doadump () #1 0xc06a4b76 in boot () #2 0xc06a4e0c in panic () #3 0xc090d1b4 in trap_fatal () #4 0xc090cf1b in trap_pfault () #5 0xc090cb59 in trap () #6 0xc08f9fea in calltrap () #7 0xc07f8a7c in handle_written_filepage () #8 0xc07f7f60 in softdep_disk_write_complete () #9 0xc06ef5e4 in bufdone () #10 0xc066c057 in g_vfs_done () #11 0xc06ef2cb in biodone () #12 0xc0669fc2 in g_io_schedule_up () #13 0xc066a20e in g_up_procbody () #14 0xc068dd74 in fork_exit () #15 0xc08fa04c in fork_trampoline () (kgdb) bt full #0 0xc06a46a6 in doadump () No symbol table info available. #1 0xc06a4b76 in boot () No symbol table info available. #2 0xc06a4e0c in panic () No symbol table info available. #3 0xc090d1b4 in trap_fatal () No symbol table info available. #4 0xc090cf1b in trap_pfault () No symbol table info available. #5 0xc090cb59 in trap () No symbol table info available. #6 0xc08f9fea in calltrap () No symbol table info available. #7 0xc07f8a7c in handle_written_filepage () No symbol table info available. #8 0xc07f7f60 in softdep_disk_write_complete () No symbol table info available. #9 0xc06ef5e4 in bufdone () No symbol table info available. #10 0xc066c057 in g_vfs_done () No symbol table info available. #11 0xc06ef2cb in biodone () No symbol table info available. #12 0xc0669fc2 in g_io_schedule_up () No symbol table info available. #13 0xc066a20e in g_up_procbody () No symbol table info available. #14 0xc068dd74 in fork_exit () No symbol table info available. #15 0xc08fa04c in fork_trampoline () No symbol table info available. Alas, no debugging symbols kernel in default installation :( Petr
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