Re: [Xen-devel] [xen-unstable test] 131065: regressions - FAIL

[Wei Liu <wei.liu2@xxxxxxxxxx>]

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.

Wei.

> ~Andrew

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