[Bug 79505] [gen3] Display A: Invalid tiling

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=79505

--- Comment #3 from Francesco Turco <fturco at fastmail.fm> ---
I will try with another kernel later. In the meantime it crashed another time,
and the error file still shows a bunch of zeroes only. But journalctl also
shows the following things from gdm-Xorg (may be helpful):

Jun 02 19:16:12 desktop gdm-Xorg-:0[169]: (EE) [mi] EQ overflowing.  Additional
events will be discarded until existing events are processed.
Jun 02 19:16:12 desktop gdm-Xorg-:0[169]: (EE)
Jun 02 19:16:12 desktop gdm-Xorg-:0[169]: (EE) Backtrace:
Jun 02 19:16:12 desktop gdm-Xorg-:0[169]: (EE) 0: /usr/bin/Xorg
(xorg_backtrace+0x48) [0x5808b8]
Jun 02 19:16:12 desktop gdm-Xorg-:0[169]: (EE) 1: /usr/bin/Xorg
(mieqEnqueue+0x22b) [0x562beb]
Jun 02 19:16:12 desktop gdm-Xorg-:0[169]: (EE) 2: /usr/bin/Xorg
(QueuePointerEvents+0x52) [0x44c492]
Jun 02 19:16:12 desktop gdm-Xorg-:0[169]: (EE) 3:
/usr/lib64/xorg/modules/input/evdev_drv.so (0x7fee921fe000+0x579d)
[0x7fee9220379d]
Jun 02 19:16:12 desktop gdm-Xorg-:0[169]: (EE) 4: /usr/bin/Xorg
(0x400000+0x71f78) [0x471f78]
Jun 02 19:16:12 desktop gdm-Xorg-:0[169]: (EE) 5: /usr/bin/Xorg
(0x400000+0x9a010) [0x49a010]
Jun 02 19:16:13 desktop gdm-Xorg-:0[169]: (EE) 6: /lib64/libpthread.so.0
(0x7fee99419000+0x11250) [0x7fee9942a250]
Jun 02 19:16:13 desktop gdm-Xorg-:0[169]: (EE) 7:
/usr/lib64/xorg/modules/drivers/intel_drv.so (0x7fee953c4000+0xac2f5)
[0x7fee954702f5]
Jun 02 19:16:13 desktop gdm-Xorg-:0[169]: (EE) 8:
/usr/lib64/xorg/modules/drivers/intel_drv.so (0x7fee953c4000+0x8c964)
[0x7fee95450964]
Jun 02 19:16:13 desktop gdm-Xorg-:0[169]: (EE) 9:
/usr/lib64/xorg/modules/drivers/intel_drv.so (0x7fee953c4000+0x9050b)
[0x7fee9545450b]
Jun 02 19:16:13 desktop gdm-Xorg-:0[169]: (EE) 10:
/usr/lib64/xorg/modules/drivers/intel_drv.so (0x7fee953c4000+0x765ea)
[0x7fee9543a5ea]
Jun 02 19:16:13 desktop gdm-Xorg-:0[169]: (EE) 11: /usr/bin/Xorg
(0x400000+0x102f63) [0x502f63]
Jun 02 19:16:13 desktop gdm-Xorg-:0[169]: (EE) 12: /usr/bin/Xorg
(0x400000+0x3584e) [0x43584e]
Jun 02 19:16:13 desktop gdm-Xorg-:0[169]: (EE) 13: /usr/bin/Xorg
(0x400000+0x3965a) [0x43965a]
Jun 02 19:16:13 desktop gdm-Xorg-:0[169]: (EE) 14: /lib64/libc.so.6
(__libc_start_main+0xf5) [0x7fee980a3db5]
Jun 02 19:16:13 desktop gdm-Xorg-:0[169]: (EE) 15: /usr/bin/Xorg
(0x400000+0x24e71) [0x424e71]
Jun 02 19:16:13 desktop gdm-Xorg-:0[169]: (EE)
Jun 02 19:16:13 desktop gdm-Xorg-:0[169]: (EE) [mi] These backtraces from
mieqEnqueue may point to a culprit higher up the stack.
Jun 02 19:16:13 desktop gdm-Xorg-:0[169]: (EE) [mi] mieq is *NOT* the cause. 
It is a victim.
Jun 02 19:16:13 desktop kernel: [drm] stuck on render ring
Jun 02 19:16:13 desktop kernel: [drm] GPU crash dump saved to
/sys/class/drm/card0/error
Jun 02 19:16:13 desktop kernel: [drm] GPU hangs can indicate a bug anywhere in
the entire gfx stack, including userspace.
Jun 02 19:16:13 desktop kernel: [drm] Please file a _new_ bug report on
bugs.freedesktop.org against DRI -> DRM/Intel
Jun 02 19:16:13 desktop kernel: [drm] drm/i915 developers can then reassign to
the right component if it's not a kernel issue.
Jun 02 19:16:13 desktop kernel: [drm] The gpu crash dump is required to analyze
gpu hangs, so please always attach it.
Jun 02 19:16:13 desktop kernel: [drm:i915_reset] *ERROR* Failed to reset chip:
-19
Jun 02 19:16:13 desktop gdm-Xorg-:0[169]: [mi] Increasing EQ size to 1024 to
prevent dropped events.
Jun 02 19:16:13 desktop gdm-Xorg-:0[169]: [mi] EQ processing has resumed after
29 dropped events.
Jun 02 19:16:13 desktop gdm-Xorg-:0[169]: [mi] This may be caused my a
misbehaving driver monopolizing the server's resources.
Jun 02 19:16:33 desktop gdm-Xorg-:0[169]: (EE) intel(0): Detected a hung GPU,
disabling acceleration.
Jun 02 19:16:33 desktop gdm-Xorg-:0[169]: (EE) intel(0): When reporting this,
please include /sys/class/drm/card0/error and the full dmesg.
Jun 02 19:16:33 desktop gdm-Xorg-:0[169]: (II) AIGLX: Suspending AIGLX clients
for VT switch

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