* [Qemu-devel] 4.14 linux kernel vs postcopy migration
@ 2018-01-30 18:39 Dr. David Alan Gilbert
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From: Dr. David Alan Gilbert @ 2018-01-30 18:39 UTC (permalink / raw)
To: qemu-devel, aarcange; +Cc: peterx, quintela
Hi,
It looks like the 4.14 linux kernel has something which breaks
postcopy; 4.13 and 4.15 both seem OK, but both Peter and myself ran
into problems with double faults after postcopy migration on a Fedora
27 host, and I've recreated the same problem on upstream kernels
from v4.14.0 through v4.14.0.
The stand alone userfaultfd tests seem ok though.
I might try some further bisecting, but for now I think I'll just
flip to a bleeding edge 4.15.
Dave
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
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2018-01-30 18:39 [Qemu-devel] 4.14 linux kernel vs postcopy migration Dr. David Alan Gilbert
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