[Bug 92201] [drm] stuck on render ring

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92201

--- Comment #14 from Denis Sokolovsky <ganellon at gmail.com> ---
Actually, not only kernel was new. Almost at the same time were few updates:
chrome (47->48), mesa (11.0->11.1) and kernel (4.2.x->4.3.0). Since Dec 20, in
logs, I can found only one warning about GPU (see below), but no hungs with
current setup, usual workflow and uptime for 17/38+ days (excluding/including
sleeps).

Jan  9 20:17:19 isis kernel: [1151010.810868] WARNING: CPU: 0 PID: 0 at
/usr/src/linux-4.3.0-gentoo/drivers/gpu/drm/i915/intel_display.c:11293
intel_check_page_flip+0xed/0x100()
Jan  9 20:17:19 isis kernel: [1151010.810871] Kicking stuck page flip: queued
at 28897891, now 28897895

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