[Bug 93886] GPU Hang "stuck on render ring" (probably userspace)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93886

--- Comment #2 from Andrej <adundovi at gmail.com> ---
Seems the same bug on my laptop after resuming from suspend.

OS: Fedora 23 / KDE

Description of problem:
After resuming from suspend fonts are messed up. This bug started after a
recent update (max. 2 weeks ago from now).

Version-Release number of selected component (if applicable):
xorg-x11-drv-intel-2.99.917-19.20151206.fc23.x86_64
xorg-x11-server-Xorg-1.18.1-3.fc23.x86_64
kernel-4.4.5-300.fc23.x86_64

How reproducible:
Suspend computer (by closing a laptop lid) and then resume from suspend.

Actual results:
Many letters are missing all over the place, most notably in Firefox (see
screenshot).

Expected results:
Font rendering should be the same as before suspend.

Hardware:
00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor
Graphics Controller (rev 09)
01:00.0 3D controller: NVIDIA Corporation GF117M [GeForce 610M/710M/810M/820M /
GT 620M/625M/630M/720M] (rev ff)
Laptop: Asus Zenbook UX32VD


Attachments:
1. example screenshot
2. journalctl log (grep drm|kernel)

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