[Bug 105663] [CI] [CNL only] igt at tools_test@tools_test - incomplete - system hang?

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105663

Elizabeth <elizabethx.de.la.torre.mena at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      i915 features|                            |GPU hang

--- Comment #3 from Elizabeth <elizabethx.de.la.torre.mena at intel.com> ---
Sorry for the spam, it was difficult to read:

<marta_> Adrinael, igt at tools_test@tools_test is 100% incomplete in drmtip runs
on fi-cnl-drrs, I did a new bug for this
https://bugs.freedesktop.org/show_bug.cgi?id=105663
<Adrinael> marta_, when the machine is idle, can you sneak in and run these
commands:   intel_reg read 0x4030,   intel_reg dump
<Adrinael> That's all tools_test at tools_test is doing
<Adrinael> marta_, works on other cnls?
<marta_> Adrinael, yes only the drrs, so probably BIOS again...
<Adrinael> Executing those commands will tell whether the issue is real (or
test is f00ked), or fallout from other things
....
<Adrinael> What register is 0x4030 anyway, is that kosher on cnl
<ickle> 0x4030 was replace by 0x4a08
<ickle> who know what now lies behind box 0x4030
<tsa> Adrinael: cnl-drrs: (0x00004030): 0x00004000
<tsa> ickle: (0x00004a08): 0x00000000
<Adrinael> So it didn't hang?
<Adrinael> What about dump?
<tsa> Adrinael: dump whatnow
<tsa> reg dump hangs, yes
<Adrinael> If I read the output correctly, it reads PFC_CTL_1 successfully, and
hangs reading PFC_WIN_POS

I'm marking as GPU HANG, please if I mistook change to correct feature. Thank
you.

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