Re: [Qemu-devel] How to best handle the reoccurring of rom changes breaking cross version migrations?

2017-11-02 Thread Christian Ehrhardt
Ping - since there wasn't any reply so far - any best practices one could share? Let me add a TL;DR: - bump of ipxe rom versions change the size of virtio-net-pci.rom - that breaks on migration "Length mismatch" I'd guess the size of that rom has to be fixed up on the fly, but if that is really

[Qemu-devel] How to best handle the reoccurring of rom changes breaking cross version migrations?

2017-08-28 Thread Christian Ehrhardt
Hi, migration issues due to rom changes seem to occur over and over in past years [1], [2],[3],[4],[5]. >From the past I know several workarounds (like just truncating to the bigger size) but all have various deficiencies. But OTOH rom's will always change due to fixes in them. And recently I