On Tue, Nov 15, 2016 at 2:56 PM, Greg Kurz <gr...@kaod.org> wrote: > On Tue, 15 Nov 2016 11:14:57 +0000 > Stefan Hajnoczi <stefa...@gmail.com> wrote: > >> On Tue, Nov 15, 2016 at 10:09 AM, Greg Kurz <gr...@kaod.org> wrote: >> > 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. >> >> Right, it's POWER7 PPC64 BE with kvm_pr. >> > > And you cannot install a PPC64 BE distro on this POWER7 host and use > kvm_hv instead ?
Sure, I could get a non-kvm_pr environment. I'm just concerned that QEMU 2.8-rc0 is being tagged today and there is a POWER environment where "make check" fails. Is kvm_pr supported by QEMU? If it is supported then "make check" ought to pass. Stefan
