On 07/12/2018 11:34, Wei Liu wrote: > On Fri, Dec 07, 2018 at 09:50:30AM +0000, Andrew Cooper wrote: >> On 07/12/2018 09:21, osstest service owner wrote: >>> flight 131065 xen-unstable real [real] >>> http://logs.test-lab.xenproject.org/osstest/logs/131065/ >>> >>> Regressions :-( >>> >>> Tests which did not succeed and are blocking, >>> including tests which could not be run: >>> test-xtf-amd64-amd64-5 69 xtf/test-hvm64-xsa-278 fail REGR. vs. >>> 130985 >>> test-xtf-amd64-amd64-4 69 xtf/test-hvm64-xsa-278 fail REGR. vs. >>> 130985 >> --- Xen Test Framework --- >> Environment: HVM 64bit (Long mode 4 levels) >> XSA-278 PoC >> Fail: vmread, got nothing, expected #UD >> Fail: vmwrite, got nothing, expected #UD >> Success: Probably not vulnerable to XSA-278 >> Test result: FAILURE >> >> These are on godello0 and 1 which are Haswell boxes, but I'm at a >> complete loss to explain the results (not least because this is the same >> type of system as my normal test box). >> >> The most logical option (given how I fixed the #UD checks in XSA-278) is >> that VMCS shadowing is unexpectedly active, but there are no patches in >> staging which look like they plausibly might be causing this. >> > I can reserve one of the boxes for you to investigate if that's of > interest.
Not necessary thanks. Found a repro on a supposedly-identical box to my test box. This is bizarre, because it still doesn't repro on my normal test box with staging. ~Andrew _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
