Re: [Xen-devel] How to debug Xen and Dom0 driver?

["Neo Jia" <neojia@xxxxxxxxx>]

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!
>>
>> _______________________________________________
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>> Xen-devel@xxxxxxxxxxxxxxxxxxx
>> http://lists.xensource.com/xen-devel
>>
>



-- 
I would remember that if researchers were not ambitious
probably today we haven't the technology we are using!

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