Hi, >> foo.img generated with stock qemu 1.3.1, migration fails with git >> head, still >> fails after reverting the seabios 1.7.2 update which supposedly >> causes other >> migrate issues (commit 3588185b8396eb97fd9efd41c2b97775465f67c4) > > So this is by design - that patch changes the rom size for revision 4 (which > is the default for qemu 1.3.1) from 16384 bytes to 8192. This breaks > migration from previously created revision 4 images... But it unbreaks > migration from other revisions. Different things that could be done: do a > special migration hook to copy from src 16384 byte rom bar to dst 8192 byte > rom bar. Gerd, what do you think?
So the change making the rpm 16k was before 1.3, the fix thereafter, and now we have migration 1.2 -> 1.3 broken (maybe masked by -M 1.2 defaulting to qxl rev 3), 1.3 -> 1.4 broken and 1.2 -> 1.4 working, correct? So a compat property changing the rom size to 16k for pc-1.3 should do the trick I think. cheers, Gerd
