On Wed, Oct 8, 2008 at 9:46 AM, Sandesh <sandesh.ahiremath@xxxxxxxxx> wrote:
> If you want to debug dom0, use kdb instead of gdb. Apply the kdb patch
> suitable to you kernel version, build it and run.
Do you have a kdb patch for 2.6.18 available? If yes, could you share with me?
Thanks,
Neo
>
> On Wed, 2008-10-08 at 09:38 -0700, Neo Jia wrote:
>> On Wed, Oct 8, 2008 at 7:34 AM, Tej <bewith.tej@xxxxxxxxx> wrote:
>> > On Wed, Oct 8, 2008 at 1:16 PM, Neo Jia <neojia@xxxxxxxxx> wrote:
>> >> hi,
>> >>
>> >> I am wondering if anybody is doing Xen or Dom0 debugging with gdb
>> >> here. If yes, could you show me the procedure of doing that?
>> >
>> > For dom0, it will be similar to debugging in Linux e.g Use kgdb,
>> > netdump, kdump etc. and analyse those dump using crash tools.
>>
>> This is what I want to know more. How to use kgdb with dom0? I assume
>> you can't as the TSS is in Xen not dom0, right?
>>
>> Thanks,
>> Neo
>>
>> >
>> > For domU use gdb built in debugger with xen.
>> > 1. cd xen-3.3.0/tool/debugger/gdb/README
>> > This explains everything from setting gdbserver-xen to debugging with
>> > gdb.
>> > 2. enable xendump by configuring xend-config.sxp file
>> > It is helpful for capturing vmcore dumps from xen guest.
>> > #(enable-dump no) change to (enable-dump yes)
>> > Restart xend
>> > start domU's and capture the vmcore @ /var/crash/*
>> > analyse the dump with crash
>> >
>> > HTH
>> > -tej
>> >
>> >
>> >
>> >
>> >>
>> >> Thanks,
>> >> Neo
>> >>
>> >> --
>> >> I would remember that if researchers were not ambitious
>> >> probably today we haven't the technology we are using!
>> >>
>> >> _______________________________________________
>> >> Xen-devel mailing list
>> >> Xen-devel@xxxxxxxxxxxxxxxxxxx
>> >> http://lists.xensource.com/xen-devel
>> >>
>> >
>>
>>
>>
>
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--
I would remember that if researchers were not ambitious
probably today we haven't the technology we are using!
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