[Bug 105373] [kbl-h] GPU HANG: ecode 9:0:0xfedffffa, in Xorg [1345], reason: Hang on rcs0, action: reset

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105373

--- Comment #29 from Vasil Kolev <vasil at ludost.net> ---
I've attached updated dmesg and error with all the debug options enabled in the
kernel and the new parameters.

I've tried the register read, and the register changes between reads:

(0x00002358): 0x6b619e3d
(0x00002358): 0x6dddb91a
(0x00002358): 0x6f0d705a

Also, it seems I haven't described the situation properly, so here it goes:

After boot, when the display manager starts, it takes some time to start
reacting to anything else than cursor moves, and I can't even switch to the
text console. After a while it starts working, but anything GPU related either
crashes or blocks (for example, I'm running chromium with --disable-gpu).
Compiz was refusing to work, and glxinfo was saying "i/o error".

Now glxinfo shows a normal result, but in any case anything GPU-related blocks,
otherwise I'm able to (somewhat slowly) use X.

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