Re: Looking at a x86_64 kernel dump?
Re: Looking at a x86_64 kernel dump?
- Subject: Re: Looking at a x86_64 kernel dump?
- From: Alain Renaud <email@hidden>
- Date: Wed, 17 Mar 2010 07:31:46 +0100
Thanks all,
I found the problem. I had setup "Restart automatically if computer
freezes" in the Energy Saver tab this seem to prevent complete dump.
Paul Nelson wrote:
> Be sure to use the -arch command when starting gab
>
> Paul Nelson
> Thursby Software Systems, Inc.
>
> On Mar 16, 2010, at 2:34 PM, Alain Renaud <email@hidden> wrote:
>
>> 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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--
===============================================
Alain Renaud - Cluster File System Engineer
email@hidden - SGI
===============================================
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