On Tue, Aug 13, 2013 at 8:07 PM, Paolo Bonzini <pbonz...@redhat.com> wrote: > Il 13/08/2013 19:52, Juerg Haefliger ha scritto: >> I didn't mean to imply that the savevm format is broken and needed >> fixing. I was just wondering if the data is there and I simply hadn't >> found it. Upgrading QEMU is not an option at the moment since these >> are tightly controlled productions machines. Is it possible to loadvm >> a savevm file from 1.0 with 1.6 to then use guest-memory-dump? > > Yes, it should, but one important thing since 1.0 has been the merger of > qemu-kvm and QEMU. What distribution are you using? I know Fedora > allows qemu-kvm-1.0 to QEMU-1.6 compatibility, but I don't know about > others.
Ubuntu 12.04 > Michael Tokarev is the maintainer of the Debian package, so he may be > able to answer. > > Alternatively, you can modify your utility to simply add 512 MB to the > addresses above 3.5 GB. Is it really as simple as that? Isn't the OS (particularly Windows) possibly doing some crazy remapping that needs to be taken into account? meminfo on a VM with 4GB running Windows 2008 shows the following: C:\Users\Administrator\Desktop\MemInfo\amd64>MemInfo.exe -r MemInfo v2.10 - Show PFN database information Copyright (C) 2007-2009 Alex Ionescu www.alex-ionescu.com Physical Memory Range: 0000000000001000 to 000000000009B000 (154 pages, 616 KB) Physical Memory Range: 0000000000100000 to 00000000DFFFD000 (917245 pages, 3668980 KB) Physical Memory Range: 0000000100000000 to 0000000120000000 (131072 pages, 524288 KB) MmHighestPhysicalPage: 1179648 ...Juerg > Paolo