At 10/11/2011 02:58 PM, Jan Kiszka Write: > On 2011-10-11 04:20, Wen Congyang wrote: >>>>> The other reason why it would be good, is that we would then have a >>>>> clearly >>>>> defined standard "QEMU dump format", instead of "libvirt dump format for >>>>> QEMU" >>>> >>>> A core file would be that format - for direct gdb processing. No >>>> proprietary re-inventions please. >>> >>> I have no personal attachment to any particular format, so if the standard >>> core file format is possible, then we should definitely try to use it in >>> QEMU. >> >> I do not know whether there is such standard format. But IIRC, the format of >> kdump, >> netdump, and diskdump is very similar. >> >> If we want to use such format in qemu, I think we can not do live dump in >> libvirt. > > You said you wanted to perform crash dumps - so there hardly anything > alive at this point.
The purpose of 'virsh dump' is for crash dumps, but we can not prevent the user doing it when the kernel is alive. Thanks Wen Congyang > > Jan >
