On Tue, 15 Nov 2016 10:53:35 +0100 Laurent Vivier <lviv...@redhat.com> wrote:
> On 14/11/2016 21:52, Stefan Hajnoczi wrote: > > I hit a failure running "make check" on ppc64 for the first time. Ideas? > > > > Stefan > > > > commit 682df581c65ed2c1b9e77093e332214ecaa1ee93 > > > > GTESTER check-qtest-ppc64 > > Memory content inconsistency at 5af4000 first_byte = 1b last_byte = 1a > > current = 7c hit_edge = 1 > > Memory content inconsistency at 5af5000 first_byte = 1b last_byte = 7c > > current = 1b hit_edge = 1 > > Memory content inconsistency at 5e59000 first_byte = 1b last_byte = 1b > > current = 1a hit_edge = 1 > > ** > > ERROR:tests/postcopy-test.c:345:check_guests_ram: 'bad' should be FALSE > > GTester: last random seed: R02S9d79166a1ca7e21940a0f4b0b1255d5b > > > > Are you using KVM PR? > > it was working fine with TCG and KVM HV. > > Apparently, USERFAULTFD doesn't work with KVM PR. > > I've already seen this kind of error with nested KVM on Power: > guest in guest with KVM PR in host. > > This problem was reported on IRC by Greg if I remember correctly (CC:) > Yeah I hit this when running make check in a PPC64 BE guest which has kvm_pr loaded. I did not find time to investigate though... I've switched to run make check on bare metal POWER7 instead. > Laurent
