[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [xen-4.3-testing test] 63948: regressions - FAIL [and 1 more messages]
Jan Beulich writes ("Re: [Xen-devel] [xen-4.3-testing test] 63948: regressions - FAIL"): > On 11.11.15 at 16:58, <Ian.Jackson@xxxxxxxxxxxxx> wrote: > > Do we know why this cross-version migration test fails when > > within-version migrations of both 4.2 and 4.3 succeed ? > > As said in the original reply to the test report, this is due to vMCE > (validly) rejecting the incoming feature set. On 4.2, regardless of > CPU vendor, certain features got advertised to the guest. On 4.3 > that advertisement became CPU vendor specific. And 4.3 checks the incoming advertisement, I see. > > Can things easily be fixed ? > > Not sure. We could cheat and accept the known bogus value. But > should we even consider such on a no longer maintained branch? I wonder how easy it would be to filter out the wrong advertisement, during outgoing migration, in the toolstack in 4.2. I appreciate that 4.2 is long-dead. So maybe we should just leave it. Users can shut down and restart their guests. Ian Campbell writes ("Re: [Xen-devel] [xen-4.3-testing test] 63948: regressions - FAIL"): > On Wed, 2015-11-11 at 15:58 +0000, Ian Jackson wrote: > > Also we don't know (ATM) whether 4.3->4.4 works. 4.4->4.5 does. From what Jan says, at least this specific bug does not affect 4.3->4.4. > Are you basing that on > http://logs.test-lab.xenproject.org/osstest/results/history/test-amd64-amd64-migrupgrade/xen-4.4-testing.html > and > http://logs.test-lab.xenproject.org/osstest/results/history/test-amd64-amd64-migrupgrade/xen-4.5-testing.html Yes. > Plus: > [i386] Yes. I think we should consider introducing test-amd64-<something>-hvm-migrupgrade-xsm Ian. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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