[Bug 103359] [BAT][CI][GLK only] igt@* - incomplete - timeout/system hang

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103359

--- Comment #85 from Marta Löfstedt <marta.lofstedt at intel.com> ---
(In reply to Imre Deak from comment #82)
> (In reply to Marta Löfstedt from comment #80)
> > https://intel-gfx-ci.01.org/tree/drm-tip/IGT_4176/shard-glkb2/
> > igt at kms_plane_scaling@pipe-c-plane-scaling.html
> > 
> > run.log doesn't match results. I see no obvious r8169 error prints.
> 
> In fact this is quite clearly a network error:
> After igt/gem_softpin/noreloc-s3 there is no response received by the
> testrunner:
> 
> [49/80] skip: 17, pass: 29, fail: 3 |
> running: igt/gem_softpin/noreloc-s3  
> 
> [49/80] skip: 17, pass: 29, fail: 3 /
> FATAL: command execution failed
> java.io.EOFException
> 
> After which the testrunner will reboot the machine:
> 
> Finished: FAILURE
> Completed CI_IGT_test CI_DRM_3683/shard-glkb2/2 : FAILURE
> CI_IGT_test runtime 551 seconds
> Rebooting shard-glkb2
> 
> 
> While tests are still running on the machine up to kms_plane_scaling, where
> probably the above rebooting happens. Note that the last dmesg timestamp may
> not match what you'd expect based on the timeout, since the dmesg time
> doesn't account for the durations for system suspend/resumes.

Could also be some other test causing problems or last test hanging the system,
for an example see bug 104218. Since the time Jenkins take to reboot machine
after loosing contact is unknown, we can only say that it is a network issue if
there are clear indications in dmesg of that in the log.

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