Looking at a x86_64 kernel dump?
Looking at a x86_64 kernel dump?
- Subject: Looking at a x86_64 kernel dump?
- From: Alain Renaud <email@hidden>
- Date: Tue, 16 Mar 2010 20:34:30 +0100
Hello all,
I am having problem with my new 10.6 x86_64 mac. I did setup a dump
machine for with kdumpd I setup the nvram on my x86_64 machine to
properly dump on Panic
boot-args debug=0xd44 _panicd_ip=10.16.1.236
I am able to panic the machine and I seem to be getting a valid dump
but when I try running gdb on it it give me all these errors like the
dump was not valid.
Note I use the same setup for my ppc and i368 mac and it does work fine.
# gdb /KernelDebugKit/10.6.2_10C540/mach_kernel
core-custom-10.16.1.6-bcfb620b
GNU gdb 6.3.50-20050815 (Apple version gdb-1346) (Fri Sep 18 20:40:51
UTC 2009)
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 "x86_64-apple-darwin"...
unable to read unknown load command 0x58
unable to read unknown load command 0x58
unable to read unknown load command 0x58
unable to read unknown load command 0x58
unable to read unknown load command 0x58
unable to read unknown load command 0x58
unable to read unknown load command 0x58
unable to read unknown load command 0x58
unable to read unknown load command 0x58
unable to read unknown load command 0x58
unable to read unknown load command 0x58
unable to read unknown load command 0x58
unable to read unknown load command 0x58
unable to read unknown load command 0x58
unable to read unknown load command 0x58
unable to read unknown load command 0x58
unable to read unknown load command 0x58
...
(gdb) where
#0 0x0000000000000000 in ?? ()
(gdb) source /KernelDebugKit/10.6.2_10C540/kgmacros
Loading Kernel GDB Macros package. Type "help kgm" for more info.
(gdb) showalltasks
task vm_map ipc_space #acts pid
process io_policy wq_state command
0xffffff800922ac60 (gdb)
Any idea what I am doing wrong?
Thanks.
--
Alain Renaud
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