[Bug 91593] GPU HANG: ecode 8:0:0x85dffffb, in valley_x64 [8637], reason: Ring hung, action: reset

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91593

--- Comment #1 from Edward O'Callaghan <edward.ocallaghan at koparo.com> ---
Hi,

I used the following demo program to produce the hang on Fedora 22:
http://unigine.com/products/valley/

[edward at rushlocal Unigine_Valley-1.0]$ lspci -s 00:02.0 -v
00:02.0 VGA compatible controller: Intel Corporation Broadwell-U Integrated
Graphics (rev 09) (prog-if 00 [VGA controller])
        Subsystem: Lenovo Device 5034
        Flags: bus master, fast devsel, latency 0, IRQ 46
        Memory at e0000000 (64-bit, non-prefetchable) [size=16M]
        Memory at d0000000 (64-bit, prefetchable) [size=256M]
        I/O ports at 3000 [size=64]
        Expansion ROM at <unassigned> [disabled]
        Capabilities: <access denied>
        Kernel driver in use: i915
        Kernel modules: i915

Hopefully you can reproduce also.
Kind Regards

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