[Bug 66610] igt/module_reload fails and causes many cases fail

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=66610

Daniel Vetter <daniel at ffwll.ch> changed:

           What    |Removed                     |Added
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                 CC|                            |gordon.jin at intel.com

--- Comment #14 from Daniel Vetter <daniel at ffwll.ch> ---
(In reply to comment #13)
> 1. The failure is 100% reproducible.
> 2. No backtraces in dmesg.

You've mentioned that module_reload fails on pnv, ilk, snb, ivb, hsw. Is it
100% failure on all these platforms with no output on dmesg?

Also please double-check your  local installation - after all module reloading
_has_ worked before, so something broke it. If it's not a regression in the
kernel, then it must be a regression somewhere in your kernel build/test setup.

Also the above list of platforms are almost all we still test. Are there any
platforms where module reload still works?

Gordon, can you please ramp up the priority for investigating this? Afaik
module reloading works, so I'm left with the conclusion that something
(recently) broke with your -nightly setup. Flying blind like that makes me feel
uneasy ... Maybe also drag Yi into the analysis.

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