[Bug 94101] System hangs for seconds repeatedly and sometimes crashes

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94101

--- Comment #16 from Milos Kaurin <milos.kaurin at gmail.com> ---
I'm sorry for causing confusion. It crashes for me as well, just not as
soon as I start Firefox. Replication of crashes is not consistent.
On Jun 11, 2016 10:13 AM, <bugzilla-daemon at freedesktop.org> wrote:

> *Comment # 15 <https://bugs.freedesktop.org/show_bug.cgi?id=94101#c15> on
> bug 94101 <https://bugs.freedesktop.org/show_bug.cgi?id=94101> from frans
> <gegenstand+bugs.freedesktop.org at gmail.com> *
>
> For me it does! I'm on 4.5.6-200.fc23.x86_64 now and the machine still hangs
> for some seconds every couple of minutes when I re-activate RC6.
>
> Error message in dmesg is:
>
> [95618.288809] [drm] stuck on render ring
> [95618.289426] [drm] GPU HANG: ecode 9:0:0x85dfbfff, in gnome-shell [2271],
> reason: Ring hung, action: reset
> [95618.289841] ------------[ cut here ]------------
> [95618.289890] WARNING: CPU: 1 PID: 32114 at
> drivers/gpu/drm/i915/intel_display.c:11440
> intel_mmio_flip_work_func+0x45f/0x470 [i915]()
> ...
> ...
> [95618.290176]  [<ffffffff810d7980>] ? kthread_create_on_node+0x250/0x250
> [95618.290183]  [<ffffffff818b641f>] ret_from_fork+0x3f/0x70
> [95618.290187]  [<ffffffff810d7980>] ? kthread_create_on_node+0x250/0x250
> [95618.290192] ---[ end trace 700d22f5ceb77f1b ]---
> [95618.291837] drm/i915: Resetting chip after gpu hang
> [95620.276896] [drm] RC6 on
>
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