Re: [Qemu-devel] [Question] dump memory when host pci device is used by guest

[Wen Congyang]

At 10/18/2011 11:27 PM, Jan Kiszka Write:
> On 2011-10-18 17:04, Wen Congyang wrote:
>> On 10/18/2011 10:21 PM, Jan Kiszka wrote:
>>> On 2011-10-18 16:17, Wen Congyang wrote:
>>>
>>> I was talking about information you need in the crash dump file that is
>>> not contained in those files crash processes by default. If there is no
>>> such information, then it looks strange to me defining a new format.
>>
>> Sorry for my bad english, I can not understant what information you are
>> talking about.
>>
>> Do you mean if the core file does not contains such information and crash
>> can not process it?
> 
> OK, I guess we are just talking past each other:
> 
> Are you proposing the kernel dump format (as crash takes for its
> "dumpfile" parameter)? Should QEMU write out dumps in that file format?

Yes.

We can reuse gdbstub's code, and use gdb scripts to instead of crash. But
I do not like this way, because we should know the guest kernel version
and it's config file. We should do too many things that crash has done
for us.

So I think qemu should write out dumps in that file format.

Thanks
Wen Congyang

> 
> Jan
>