[drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung

[David Markey]

My Xorg is crawling... and I have this in dmesg.

[74611.251767] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed...
GPU hung
[74611.251772] [drm] capturing error event; look for more information in
/debug/dri/0/i915_error_state

Also have this in Xorg.log

(EE) [mi] EQ overflowing.  Additional events will be discarded until
existing events are processed.
(EE)
(EE) Backtrace:
(EE) 0: /usr/bin/X (xorg_backtrace+0x36) [0x58a0c6]
(EE) 1: /usr/bin/X (mieqEnqueue+0x26b) [0x56b41b]
(EE) 2: /usr/bin/X (0x400000+0x4c5f2) [0x44c5f2]
(EE) 3: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f6af5764000+0x5f74)
[0x7f6af5769f74]
(EE) 4: /usr/bin/X (0x400000+0x75c67) [0x475c67]
(EE) 5: /usr/bin/X (0x400000+0x9f318) [0x49f318]
(EE) 6: /usr/lib/libpthread.so.0 (0x7f6afb20c000+0xf1e0) [0x7f6afb21b1e0]
(EE) 7: /usr/lib/libc.so.6 (ioctl+0x7) [0x7f6afa158657]
(EE) 8: /usr/lib/libdrm.so.2 (drmIoctl+0x28) [0x7f6afb003968]
(EE) 9: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f6af89ed000+0x38ad0)
[0x7f6af8a25ad0]
(EE) 10: /usr/lib/xorg/modules/drivers/intel_drv.so
(0x7f6af89ed000+0x39c07) [0x7f6af8a26c07]
(EE) 11: /usr/lib/xorg/modules/drivers/intel_drv.so
(0x7f6af89ed000+0x5fb81) [0x7f6af8a4cb81]
(EE) 12: /usr/bin/X (BlockHandler+0x44) [0x43bf54]
(EE) 13: /usr/bin/X (WaitForSomething+0x114) [0x587474]
(EE) 14: /usr/bin/X (0x400000+0x37b11) [0x437b11]
(EE) 15: /usr/bin/X (0x400000+0x268ca) [0x4268ca]
(EE) 16: /usr/lib/libc.so.6 (__libc_start_main+0xf5) [0x7f6afa098a15]
(EE) 17: /usr/bin/X (0x400000+0x26c0d) [0x426c0d]
(EE)
(EE) [mi] These backtraces from mieqEnqueue may point to a culprit higher
up the stack.
(EE) [mi] mieq is *NOT* the cause.  It is a victim.
(EE) [mi] EQ overflow continuing.  100 events have been dropped.
(EE)
(EE) Backtrace:
(EE) 0: /usr/bin/X (xorg_backtrace+0x36) [0x58a0c6]
(EE) 1: /usr/bin/X (0x400000+0x4c5f2) [0x44c5f2]
(EE) 2: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f6af5764000+0x5f74)
[0x7f6af5769f74]
(EE) 3: /usr/bin/X (0x400000+0x75c67) [0x475c67]
(EE) 4: /usr/bin/X (0x400000+0x9f318) [0x49f318]
(EE) 5: /usr/lib/libpthread.so.0 (0x7f6afb20c000+0xf1e0) [0x7f6afb21b1e0]
(EE) 6: /usr/lib/libc.so.6 (ioctl+0x7) [0x7f6afa158657]
(EE) 7: /usr/lib/libdrm.so.2 (drmIoctl+0x28) [0x7f6afb003968]
(EE) 8: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f6af89ed000+0x38ad0)
[0x7f6af8a25ad0]
(EE) 9: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f6af89ed000+0x39c07)
[0x7f6af8a26c07]
(EE) 10: /usr/lib/xorg/modules/drivers/intel_drv.so
(0x7f6af89ed000+0x5fb81) [0x7f6af8a4cb81]
(EE) 11: /usr/bin/X (BlockHandler+0x44) [0x43bf54]
(EE) 12: /usr/bin/X (WaitForSomething+0x114) [0x587474]
(EE) 13: /usr/bin/X (0x400000+0x37b11) [0x437b11]
(EE) 14: /usr/bin/X (0x400000+0x268ca) [0x4268ca]
(EE) 15: /usr/lib/libc.so.6 (__libc_start_main+0xf5) [0x7f6afa098a15]
(EE) 16: /usr/bin/X (0x400000+0x26c0d) [0x426c0d]
(EE)
(EE) [mi] EQ overflow continuing.  200 events have been dropped.
(EE)
(EE) Backtrace:
(EE) 0: /usr/bin/X (xorg_backtrace+0x36) [0x58a0c6]
(EE) 1: /usr/bin/X (0x400000+0x4c5f2) [0x44c5f2]
(EE) 2: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f6af5764000+0x5f74)
[0x7f6af5769f74]
(EE) 3: /usr/bin/X (0x400000+0x75c67) [0x475c67]
(EE) 4: /usr/bin/X (0x400000+0x9f318) [0x49f318]
(EE) 5: /usr/lib/libpthread.so.0 (0x7f6afb20c000+0xf1e0) [0x7f6afb21b1e0]
(EE) 6: /usr/lib/libc.so.6 (ioctl+0x7) [0x7f6afa158657]
(EE) 7: /usr/lib/libdrm.so.2 (drmIoctl+0x28) [0x7f6afb003968]
(EE) 8: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f6af89ed000+0x38ad0)
[0x7f6af8a25ad0]
(EE) 9: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f6af89ed000+0x39c07)
[0x7f6af8a26c07]
(EE) 10: /usr/lib/xorg/modules/drivers/intel_drv.so
(0x7f6af89ed000+0x5fb81) [0x7f6af8a4cb81]
(EE) 11: /usr/bin/X (BlockHandler+0x44) [0x43bf54]
(EE) 12: /usr/bin/X (WaitForSomething+0x114) [0x587474]
(EE) 13: /usr/bin/X (0x400000+0x37b11) [0x437b11]
(EE) 14: /usr/bin/X (0x400000+0x268ca) [0x4268ca]
(EE) 15: /usr/lib/libc.so.6 (__libc_start_main+0xf5) [0x7f6afa098a15]
(EE) 16: /usr/bin/X (0x400000+0x26c0d) [0x426c0d]
(EE)
(EE) [mi] EQ overflow continuing.  300 events have been dropped.
(EE)
(EE) Backtrace:
(EE) 0: /usr/bin/X (xorg_backtrace+0x36) [0x58a0c6]
(EE) 1: /usr/bin/X (0x400000+0x4c5f2) [0x44c5f2]
(EE) 2: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f6af5764000+0x5f74)
[0x7f6af5769f74]
(EE) 3: /usr/bin/X (0x400000+0x75c67) [0x475c67]
(EE) 4: /usr/bin/X (0x400000+0x9f318) [0x49f318]
(EE) 5: /usr/lib/libpthread.so.0 (0x7f6afb20c000+0xf1e0) [0x7f6afb21b1e0]
(EE) 6: /usr/lib/libc.so.6 (ioctl+0x7) [0x7f6afa158657]
(EE) 7: /usr/lib/libdrm.so.2 (drmIoctl+0x28) [0x7f6afb003968]
(EE) 8: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f6af89ed000+0x38ad0)
[0x7f6af8a25ad0]
(EE) 9: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f6af89ed000+0x39c07)
[0x7f6af8a26c07]
(EE) 10: /usr/lib/xorg/modules/drivers/intel_drv.so
(0x7f6af89ed000+0x5fb81) [0x7f6af8a4cb81]
(EE) 11: /usr/bin/X (BlockHandler+0x44) [0x43bf54]
(EE) 12: /usr/bin/X (WaitForSomething+0x114) [0x587474]
(EE) 13: /usr/bin/X (0x400000+0x37b11) [0x437b11]
(EE) 14: /usr/bin/X (0x400000+0x268ca) [0x4268ca]
(EE) 15: /usr/lib/libc.so.6 (__libc_start_main+0xf5) [0x7f6afa098a15]
(EE) 16: /usr/bin/X (0x400000+0x26c0d) [0x426c0d]
(EE)
(EE) [mi] EQ overflow continuing.  400 events have been dropped.
(EE)
(EE) Backtrace:
(EE) 0: /usr/bin/X (xorg_backtrace+0x36) [0x58a0c6]
(EE) 1: /usr/bin/X (0x400000+0x4c5f2) [0x44c5f2]
(EE) 2: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f6af5764000+0x5f74)
[0x7f6af5769f74]
(EE) 3: /usr/bin/X (0x400000+0x75c67) [0x475c67]
(EE) 4: /usr/bin/X (0x400000+0x9f318) [0x49f318]
(EE) 5: /usr/lib/libpthread.so.0 (0x7f6afb20c000+0xf1e0) [0x7f6afb21b1e0]
(EE) 6: /usr/lib/libc.so.6 (ioctl+0x7) [0x7f6afa158657]
(EE) 7: /usr/lib/libdrm.so.2 (drmIoctl+0x28) [0x7f6afb003968]
(EE) 8: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f6af89ed000+0x38ad0)
[0x7f6af8a25ad0]
(EE) 9: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f6af89ed000+0x39c07)
[0x7f6af8a26c07]
(EE) 10: /usr/lib/xorg/modules/drivers/intel_drv.so
(0x7f6af89ed000+0x5fb81) [0x7f6af8a4cb81]
(EE) 11: /usr/bin/X (BlockHandler+0x44) [0x43bf54]
(EE) 12: /usr/bin/X (WaitForSomething+0x114) [0x587474]
(EE) 13: /usr/bin/X (0x400000+0x37b11) [0x437b11]
(EE) 14: /usr/bin/X (0x400000+0x268ca) [0x4268ca]
(EE) 15: /usr/lib/libc.so.6 (__libc_start_main+0xf5) [0x7f6afa098a15]
(EE) 16: /usr/bin/X (0x400000+0x26c0d) [0x426c0d]
(EE)
(EE) [mi] EQ overflow continuing.  500 events have been dropped.
(EE)
(EE) Backtrace:
(EE) 0: /usr/bin/X (xorg_backtrace+0x36) [0x58a0c6]
(EE) 1: /usr/bin/X (0x400000+0x4c5f2) [0x44c5f2]
(EE) 2: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f6af5764000+0x5f74)
[0x7f6af5769f74]
(EE) 3: /usr/bin/X (0x400000+0x75c67) [0x475c67]
(EE) 4: /usr/bin/X (0x400000+0x9f318) [0x49f318]
(EE) 5: /usr/lib/libpthread.so.0 (0x7f6afb20c000+0xf1e0) [0x7f6afb21b1e0]
(EE) 6: /usr/lib/libc.so.6 (ioctl+0x7) [0x7f6afa158657]
(EE) 7: /usr/lib/libdrm.so.2 (drmIoctl+0x28) [0x7f6afb003968]
(EE) 8: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f6af89ed000+0x38ad0)
[0x7f6af8a25ad0]
(EE) 9: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f6af89ed000+0x39c07)
[0x7f6af8a26c07]
(EE) 10: /usr/lib/xorg/modules/drivers/intel_drv.so
(0x7f6af89ed000+0x5fb81) [0x7f6af8a4cb81]
(EE) 11: /usr/bin/X (BlockHandler+0x44) [0x43bf54]
(EE) 12: /usr/bin/X (WaitForSomething+0x114) [0x587474]
(EE) 13: /usr/bin/X (0x400000+0x37b11) [0x437b11]
(EE) 14: /usr/bin/X (0x400000+0x268ca) [0x4268ca]
(EE) 15: /usr/lib/libc.so.6 (__libc_start_main+0xf5) [0x7f6afa098a15]
(EE) 16: /usr/bin/X (0x400000+0x26c0d) [0x426c0d]
(EE)
(EE) [mi] EQ overflow continuing.  600 events have been dropped.
(EE)
(EE) Backtrace:
(EE) 0: /usr/bin/X (xorg_backtrace+0x36) [0x58a0c6]
(EE) 1: /usr/bin/X (0x400000+0x4c5f2) [0x44c5f2]
(EE) 2: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f6af5764000+0x5f74)
[0x7f6af5769f74]
(EE) 3: /usr/bin/X (0x400000+0x75c67) [0x475c67]
(EE) 4: /usr/bin/X (0x400000+0x9f318) [0x49f318]
(EE) 5: /usr/lib/libpthread.so.0 (0x7f6afb20c000+0xf1e0) [0x7f6afb21b1e0]
(EE) 6: /usr/lib/libc.so.6 (ioctl+0x7) [0x7f6afa158657]
(EE) 7: /usr/lib/libdrm.so.2 (drmIoctl+0x28) [0x7f6afb003968]
(EE) 8: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f6af89ed000+0x38ad0)
[0x7f6af8a25ad0]
(EE) 9: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f6af89ed000+0x39c07)
[0x7f6af8a26c07]
(EE) 10: /usr/lib/xorg/modules/drivers/intel_drv.so
(0x7f6af89ed000+0x5fb81) [0x7f6af8a4cb81]
(EE) 11: /usr/bin/X (BlockHandler+0x44) [0x43bf54]
(EE) 12: /usr/bin/X (WaitForSomething+0x114) [0x587474]
(EE) 13: /usr/bin/X (0x400000+0x37b11) [0x437b11]
(EE) 14: /usr/bin/X (0x400000+0x268ca) [0x4268ca]
(EE) 15: /usr/lib/libc.so.6 (__libc_start_main+0xf5) [0x7f6afa098a15]
(EE) 16: /usr/bin/X (0x400000+0x26c0d) [0x426c0d]
(EE)
[ 74824.505] (EE) intel(0): Detected a hung GPU, disabling acceleration.
[ 74824.505] (EE) intel(0): When reporting this, please include
i915_error_state from debugfs and the full dmesg.
[ 74824.505] [mi] Increasing EQ size to 512 to prevent dropped events.
[ 74824.505] [mi] EQ processing has resumed after 615 dropped events.
[ 74824.505] [mi] This may be caused my a misbehaving driver monopolizing
the server's resources.

I have i915_error_state if anyone has any interest in debugging.

David
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