"Michael S. Tsirkin" <m...@redhat.com> writes:
> On Thu, Nov 24, 2022 at 09:21:15AM +0000, Alex Bennée wrote: >> >> "Michael S. Tsirkin" <m...@redhat.com> writes: >> >> > On Wed, Nov 23, 2022 at 04:03:49PM +0000, Alex Bennée wrote: >> >> >> >> "Michael S. Tsirkin" <m...@redhat.com> writes: >> >> >> >> > On Wed, Nov 23, 2022 at 03:21:32PM +0000, Alex Bennée wrote: >> >> >> Hi, >> >> >> >> >> >> This hopefully fixes the problems with VirtIO migration caused by the >> >> >> previous refactoring of virtio_device_started(). That introduced a >> >> >> different order of checking which didn't give the VM state primacy but >> >> >> wasn't noticed as we don't properly exercise VirtIO device migration >> >> >> and caused issues when dev->started wasn't checked in the core code. >> >> >> The introduction of virtio_device_should_start() split the overloaded >> >> >> function up but the broken order still remained. The series finally >> >> >> fixes that by restoring the original semantics but with the cleaned up >> >> >> functions. >> >> >> >> >> >> I've added more documentation to the various structures involved as >> >> >> well as the functions. There is still some inconsistencies in the >> >> >> VirtIO code between different devices but I think that can be looked >> >> >> at over the 8.0 cycle. >> >> > >> >> > >> >> > Thanks a lot! Did you try this with gitlab CI? A patch similar to your >> >> > 2/2 broke it previously ... >> >> >> >> Looking into it now - so far hasn't broken locally but I guess there is >> >> something different about the CI. >> > >> > >> > yes - pls push to gitlab, create pipeline e.g. with QEMU_CI set to 2 >> > >> > Or with QEMU_CI set to 1 and then run fedora container and then >> > clang-system manually. >> >> I'm having trouble re-creating the failures in CI locally on my boxen. I >> have triggered a bug on s390 but that looks like a pre-existing problem >> with VRING_SET_ENDIAN being triggered for the vhost-user-gpio tests. I >> think that is a limitation of the test harness. >> >> Will keep looking. > > Why not just trigger it on gitlab CI - it's very repeatable there? I've got a fix for gpio and am running it through CI now: https://gitlab.com/stsquad/qemu/-/pipelines/704285944 My main concern is I had to do something no other vhost-user device does and I'm not sure if thats down to misunderstanding or the other devices just getting lucky. -- Alex Bennée
