On 10/24/2011 05:25 PM, Dave Anderson wrote: > > ----- Original Message ----- > > On 10/24/2011 04:25 PM, Dave Anderson wrote: > > > > The question is that: 'virsh dump' can not be used when host pci device > > > > is used by guest. We are discussing how to fix the problem. We have > > > > determined > > > > that introduce a new monitor command dump. Jan suggested that the core > > > > file's > > > > format is gdb standard core format. Does crash support such format? If > > > > no, > > > > is it possible to support such format? > > > > > > If you are talking about an ELF core dump of the user-space qemu-kvm > > > process > > > running on the host, then it's certainly not supported. > > > > No, an ELF image of the guest's physical memory. > > Well then that should be pretty straight forward to support. Depending upon > how similar it would be to the "standard" kdump ELF format, the only other > issue is how to determine the physical base address at which the kernel is > loaded, in order to be able to translate the mapped kernel-text/static-data > virtual region of the x86_64 arch (the __START_KERNEL_map region). >
I guess an elf note would work for that? -- I have a truly marvellous patch that fixes the bug which this signature is too narrow to contain.