On 18.12.19 16:10, Michael S. Tsirkin wrote: > On Wed, Dec 18, 2019 at 03:43:43PM +0100, Christian Borntraeger wrote: >> Michael, >> >> with >> commit db7286b100b503ef80612884453bed53d74c9a16 (refs/bisect/skip-db7286b100b503ef80612884453bed53d74c9a16) >> vhost: use batched version by default >> plus >> commit 6bd262d5eafcdf8cdfae491e2e748e4e434dcda6 (HEAD, refs/bisect/bad) >> Revert "vhost/net: add an option to test new code" >> to make things compile (your next tree is not easily bisectable, can you fix that as well?). > > I'll try. > >> >> I get random crashes in my s390 KVM guests after reboot. >> Reverting both patches together with commit decd9b8 "vhost: use vhost_desc instead of vhost_log" to >> make it compile again) on top of linux-next-1218 makes the problem go away. >> >> Looks like the batched version is not yet ready for prime time. Can you drop these patches until >> we have fixed the issues? >> >> Christian >> > > Will do, thanks for letting me know. I have confirmed with the initial reporter (internal test team) that <driver name='qemu'/> with a known to be broken linux next kernel also fixes the problem, so it is really the vhost changes.
