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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - GPU Hang: ecode 7:0:0x85dffffc, stuck on render ring"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94033">94033</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>GPU Hang: ecode 7:0:0x85dffffc, stuck on render ring
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>alleonof@gmail.com
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=121566" name="attach_121566" title="dmesg">attachment 121566</a> <a href="attachment.cgi?id=121566&action=edit" title="dmesg">[details]</a></span>
dmesg
Graphics freeze up multiple times per day:
[ 11.701071] [drm] stuck on render ring
[ 11.702236] [drm] GPU HANG: ecode 7:0:0x85dffffc, in kwin_x11 [367], reason:
Ring hung, action: reset
[ 11.702239] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[ 11.702241] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[ 11.702243] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[ 11.702245] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[ 11.702247] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[ 11.702277] [drm:i915_reset_and_wakeup] resetting chip
[ 11.702363] ------------[ cut here ]------------
[ 11.702374] WARNING: CPU: 1 PID: 122 at
drivers/gpu/drm/i915/intel_display.c:11289
intel_mmio_flip_work_func+0x35f/0x3a0()
[ 11.702377] WARN_ON(__i915_wait_request(mmio_flip->req,
mmio_flip->crtc->reset_counter, false, NULL, &mmio_flip->i915->rps.mmioflips))
[ 11.702381] Modules linked in:
[ 11.702384] nct6775 hwmon_vid snd_virtuoso intel_powerclamp snd_oxygen_lib
efivars coretemp snd_mpu401_uart snd_pcm snd_timer sr_mod snd_rawmidi cdrom
lpc_ich mfd_core efivarfs ipv6
[ 11.702405] CPU: 1 PID: 122 Comm: kworker/1:3 Not tainted 4.4.0 #2
[ 11.702408] Hardware name: To Be Filled By O.E.M. To Be Filled By
O.E.M./B85M, BIOS P2.60 12/17/2015
[ 11.702414] Workqueue: events intel_mmio_flip_work_func
[ 11.702417] ffffffff81611fc8 ffffffff811f72ee ffff8800cac73d90
ffffffff81040513
[ 11.702423] ffff8800c99a6dc0 ffff8800cac73de0 ffff88011e313180
ffff88011e317800
[ 11.702427] 0000000000000000 ffffffff81040587 ffffffff815e1e64
0000000000000020
[ 11.702432] Call Trace:
[ 11.702440] [<ffffffff811f72ee>] ? dump_stack+0x47/0x69
[ 11.702448] [<ffffffff81040513>] ? warn_slowpath_common+0x73/0xa0
[ 11.702453] [<ffffffff81040587>] ? warn_slowpath_fmt+0x47/0x50
[ 11.702459] [<ffffffff8106aa7c>] ? pick_next_task_fair+0x3dc/0x430
[ 11.702465] [<ffffffff81327eaf>] ? intel_mmio_flip_work_func+0x35f/0x3a0
[ 11.702472] [<ffffffff8105292e>] ? process_one_work+0x11e/0x3b0
[ 11.702476] [<ffffffff81052c02>] ? worker_thread+0x42/0x490
[ 11.702480] [<ffffffff81052bc0>] ? process_one_work+0x3b0/0x3b0
[ 11.702484] [<ffffffff81052bc0>] ? process_one_work+0x3b0/0x3b0
[ 11.702490] [<ffffffff81057908>] ? kthread+0xb8/0xd0
[ 11.702497] [<ffffffff81057850>] ? kthread_worker_fn+0x100/0x100
[ 11.702503] [<ffffffff814d709f>] ? ret_from_fork+0x3f/0x70
[ 11.702508] [<ffffffff81057850>] ? kthread_worker_fn+0x100/0x100
[ 11.702512] ---[ end trace 0a1eb232d401ac46 ]---
[ 11.704392] drm/i915: Resetting chip after gpu hang
Using SNA acceleration.
System environment:
-- chipset: B85
-- display connector: HDMI
-- system architecture: 64-bit
-- xf86-video-intel: 2.99.917
-- xserver: 1.18
-- mesa: 11.1.1
-- libdrm: 2.4.66
-- kernel: 4.4.0
-- Linux distribution: Gentoo</pre>
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