Re: [Qemu-devel] [RFC][PATCH 00/15 v5] introducing a new, dedicated memory dump mechanism

[Wen Congyang]

At 01/19/2012 11:32 AM, Jun Koi Wrote:
> On Thu, Jan 19, 2012 at 10:50 AM, Wen Congyang <address@hidden> wrote:
>> Hi, all
>>
>> 'virsh dump' can not work when host pci device is used by guest. We have
>> discussed this issue here:
>> http://lists.nongnu.org/archive/html/qemu-devel/2011-10/msg00736.html
>>
>> We have determined to introduce a new command dump to dump memory. The core
>> file's format can be elf.
> 
> do you pause the guest when the dump happen, or you can somehow let it
> continue to run?

I pause the guest when the dump happens.

> 
> would be wonderful if you can do the latter, since dumping a guest
> memory can take a lot of time.

Yes, it may tak a lot of time. But we dump a guest memory when the guest
panics, and there is no need to continue to run the guest.

Thanks
Wen Congyang

> 
> thanks,
> Jun
>