[Intel-gfx] ✗ Fi.CI.BAT: failure for drm/i915: CTS fixes (rev2)

[Chris Wilson]

Quoting Lionel Landwerlin (2019-06-20 14:46:45)
> On 20/06/2019 16:41, Chris Wilson wrote:
> > Quoting Patchwork (2019-06-20 14:35:27)
> >> == Series Details ==
> >>
> >> Series: drm/i915: CTS fixes (rev2)
> >> URL   : https://patchwork.freedesktop.org/series/62437/
> >> State : failure
> >>
> >> == Summary ==
> >>
> >> CI Bug Log - changes from CI_DRM_6312 -> Patchwork_13362
> >> ====================================================
> >>
> >> Summary
> >> -------
> >>
> >>    **FAILURE**
> > They all complain about:
> >
> > <3> [403.297791] rcs0: Unable to write to whitelisted register 2348
> > [PS_INVOCATION_COUNT]
> >
> > Is the complaint valid?
> > -Chris
> >
> Documentation says the register should be R/W...

Updated the test to do a pass with privileged writes, nada.

https://intel-gfx-ci.01.org/tree/drm-tip/Trybot_4468/fi-cfl-guc/igt@i915_selftest@live_workarounds.html
<3> [249.959633] rcs0: Unable to write to whitelisted register 2348 as root
<6> [249.959656] rcs0: Whitelisted register: 2348, original value 00000000, rsvd 00000000
<6> [249.959657] Wrote 00000000, read 00000000, expect 00000000
<6> [249.959658] Wrote 01010101, read 00000000, expect 00000000
<6> [249.959659] Wrote 10100101, read 00000000, expect 00000000
<6> [249.959660] Wrote 03030303, read 00000000, expect 00000000
<6> [249.959661] Wrote 30300303, read 00000000, expect 00000000
<6> [249.959662] Wrote 05050505, read 00000000, expect 00000000
<6> [249.959663] Wrote 50500505, read 00000000, expect 00000000
<6> [249.959664] Wrote 0f0f0f0f, read 00000000, expect 00000000
<6> [249.959665] Wrote f00ff00f, read 00000000, expect 00000000
<6> [249.959666] Wrote 10101010, read 00000000, expect 00000000
<6> [249.959667] Wrote f0f01010, read 00000000, expect 00000000
<6> [249.959668] Wrote 30303030, read 00000000, expect 00000000
<6> [249.959669] Wrote a0a03030, read 00000000, expect 00000000
<6> [249.959670] Wrote 50505050, read 00000000, expect 00000000
<6> [249.959671] Wrote c0c05050, read 00000000, expect 00000000
<6> [249.959672] Wrote f0f0f0f0, read 00000000, expect 00000000
<6> [249.959673] Wrote 11111111, read 00000000, expect 00000000
<6> [249.959674] Wrote 33333333, read 00000000, expect 00000000
<6> [249.959675] Wrote 55555555, read 00000000, expect 00000000
<6> [249.959676] Wrote 0000ffff, read 00000000, expect 00000000
<6> [249.959677] Wrote 00ff00ff, read 00000000, expect 00000000
<6> [249.959678] Wrote ff0000ff, read 00000000, expect 00000000
<6> [249.959679] Wrote ffff00ff, read 00000000, expect 00000000
<6> [249.959679] Wrote ffffffff, read 00000000, expect 00000000
<6> [249.959680] Wrote ffffffff, read 00000000, expect 00000000
<6> [249.959681] Wrote fefefefe, read 00000000, expect 00000000
<6> [249.959682] Wrote efeffefe, read 00000000, expect 00000000
<6> [249.959683] Wrote fcfcfcfc, read 00000000, expect 00000000
<6> [249.959684] Wrote cfcffcfc, read 00000000, expect 00000000
<6> [249.959685] Wrote fafafafa, read 00000000, expect 00000000
<6> [249.959686] Wrote afaffafa, read 00000000, expect 00000000
<6> [249.959687] Wrote f0f0f0f0, read 00000000, expect 00000000
<6> [249.959688] Wrote 0ff00ff0, read 00000000, expect 00000000
<6> [249.959689] Wrote efefefef, read 00000000, expect 00000000
<6> [249.959690] Wrote 0f0fefef, read 00000000, expect 00000000
<6> [249.959691] Wrote cfcfcfcf, read 00000000, expect 00000000
<6> [249.959692] Wrote 5f5fcfcf, read 00000000, expect 00000000
<6> [249.959693] Wrote afafafaf, read 00000000, expect 00000000
<6> [249.959694] Wrote 3f3fafaf, read 00000000, expect 00000000
<6> [249.959695] Wrote 0f0f0f0f, read 00000000, expect 00000000
<6> [249.959696] Wrote eeeeeeee, read 00000000, expect 00000000
<6> [249.959696] Wrote cccccccc, read 00000000, expect 00000000
<6> [249.959697] Wrote aaaaaaaa, read 00000000, expect 00000000
<6> [249.959698] Wrote ffff0000, read 00000000, expect 00000000
<6> [249.959699] Wrote ff00ff00, read 00000000, expect 00000000
<6> [249.959700] Wrote 00ffff00, read 00000000, expect 00000000
<6> [249.959701] Wrote 0000ff00, read 00000000, expect 00000000
<6> [249.959702] Wrote 00000000, read 00000000, expect 00000000

Next plan was to do mmio writes then SRM.

I think someone should tell them it's actually a R/O register now ;)
And we just have to update the test to ignore the lies.
-Chris