Re: [Xen-devel] [xen-unstable test] 97737: regressions - FAIL

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Tue, Jul 26, 2016 at 10:52:13AM +0100, Julien Grall wrote:
> 
> 
> On 25/07/16 12:53, Wei Liu wrote:
> >On Mon, Jul 25, 2016 at 12:34:53PM +0100, Julien Grall wrote:
> >>
> >>
> >>On 25/07/16 12:11, Wei Liu wrote:
> >>>Thanks for investigating.
> >>>
> >>>There are only two arm related changes in the range being tested:
> >>>
> >>>* a43cc8f - (origin/smoke) arm/traps: fix bug in dump_guest_s1_walk 
> >>>handling of level 2 page tables (5 days ago) <Jonathan Daugherty>
> >>>* 60e06f2 - arm/traps: fix bug in dump_guest_s1_walk L1 page table offset 
> >>>computation (5 days ago) <Jonathan Daugherty>
> >>>
> >>>They don't look very suspicious.
> >>
> >>The modified function is not called in the hypervisor at all. It's only here
> >>for manual debugging.
> >>
> >>Although, this may change the offset of some function (assuming we have an
> >>hidden bug).
> >>
> >>>If you need help navigating osstest test report, please let me know.
> >>
> >>I have noticed that there is 2 kernel BUG in the logs (with one host reboot
> >>in the middle). Can you detail what the exact the test?
> >
> >What I normally do is to look at the summary page of the failed test to
> >identify the failed step and the time.
> >
> >In this case:
> >
> >http://logs.test-lab.xenproject.org/osstest/logs/97737/test-armhf-armhf-xl/info.html
> >
> >The time stamp said the failed step started at 2016-07-21 19:30:10 Z,
> >and then I look at the output of failed step log to look for time stamp
> >that the test failed.  Then I would look for output between these two
> >time stamps in various log.
> >
> >I now realise the log I pasted in was not from the failed test. I wanted
> >to paste in the second kernel oops, which should be the culprit that
> >the test failed. The two oops was the same one, though.
> >
> >To identify  which test step was running when the first oops happened,
> >the same technique applies.
> >
> >It seems that the oops happened during ts-debian-install according to
> >time stamps.
> 
> I looked at the new xen-unstable report [1], test-armhf-armhf-xl is passing
> (though it is on arndale and not a cubietruck).
> 
> Is there any way to re-run the previous test on the cubietruck? Just to
> confirm the bug is reproducable.
> 

This

http://logs.test-lab.xenproject.org/osstest/results/history/test-armhf-armhf-xl/xen-unstable

The history of that test case on xen-unstable branch.

> Regards,
> 
> [1] http://logs.test-lab.xenproject.org/osstest/logs/99605/
> 
> -- 
> Julien Grall

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