[Bug 82379] [g45] Batch buffer corruption

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=82379

--- Comment #12 from DHJohnson <d_h_johnson at hotmail.com> ---
Similar issue on my system, all attempts to use i915 driver end in
"intel_do_flush_locked failed Input/Output error"
or silmilar

[  102.816080] [drm] stuck on render ring
[  102.822122] [drm] GPU HANG: ecode 2:0:0x43dfffc1, in Xorg [1793], reason:
Ring hung, action: reset
[  102.822126] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[  102.822128] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[  102.822130] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[  102.822132] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[  102.822134] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[  102.829628] drm/i915: Resetting chip after gpu hang
[  102.829675] [drm:i915_reset [i915]] *ERROR* Failed to reset chip: -19


tvuser at TELEVISION:~$ intel_gpu_top
(intel_gpu_top:15914) intel-mmio-CRITICAL: Test assertion failure function
intel_mmio_use_pci_bar, file ../../lib/intel_mmio.c:144:
Failed assertion: !(error != 0)
Last errno: 13, Permission denied
Couldn't map MMIO region
Stack trace:
  #0 [_init+0x6ae2]
  #1 [_init+0x4972]
  #2 [_init+0xf9f]
  #3 [__libc_start_main+0xde]
  #4 [_init+0x32c1]
Test (null) failed.
**** DEBUG ****
(intel_gpu_top:15914) intel-mmio-CRITICAL: Test assertion failure function
intel_mmio_use_pci_bar, file ../../lib/intel_mmio.c:144:
Failed assertion: !(error != 0)
Last errno: 13, Permission denied
Couldn't map MMIO region
****  END  ****
FAIL (4259.318s)

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