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<body><span class="vcard"><a class="email" href="mailto:jinxianx.guo@intel.com" title="Guo Jinxian <jinxianx.guo@intel.com>"> <span class="fn">Guo Jinxian</span></a>
</span> changed
<a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [HSW Bisected]igt/pm_rpm/system-suspend cause " WARNING: CPU: 7 PID: 786 at drivers/gpu/drm/i915/i915_gem.c:1644 i915_gem_release_all_mmaps+0x28/0x7e [i915]()"
href="https://bugs.freedesktop.org/show_bug.cgi?id=80081">bug 80081</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Status</td>
<td>NEEDINFO
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<td>ASSIGNED
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<b><a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [HSW Bisected]igt/pm_rpm/system-suspend cause " WARNING: CPU: 7 PID: 786 at drivers/gpu/drm/i915/i915_gem.c:1644 i915_gem_release_all_mmaps+0x28/0x7e [i915]()"
href="https://bugs.freedesktop.org/show_bug.cgi?id=80081#c5">Comment # 5</a>
on <a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [HSW Bisected]igt/pm_rpm/system-suspend cause " WARNING: CPU: 7 PID: 786 at drivers/gpu/drm/i915/i915_gem.c:1644 i915_gem_release_all_mmaps+0x28/0x7e [i915]()"
href="https://bugs.freedesktop.org/show_bug.cgi?id=80081">bug 80081</a>
from <span class="vcard"><a class="email" href="mailto:jinxianx.guo@intel.com" title="Guo Jinxian <jinxianx.guo@intel.com>"> <span class="fn">Guo Jinxian</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=80081#c4">comment #4</a>)
<span class="quote">> The below commit claims to fix this, please retest:
>
> commit 6254b2042c794a8c2e14dc49b575a0708c823f88
> Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
> Date: Mon Jun 16 08:57:44 2014 +0100
>
> drm/i915: Simplify i915_gem_release_all_mmaps()</span >
This bug unable to reproduce on latest -next-queued
9c33baa6b3bbb01c1a88dceba986b20e6642cf31
But I found another CallTrace below, I will report new bug for it.
[ 64.318836] WARNING: CPU: 0 PID: 786 at drivers/gpu/drm/i915/i915_irq.c:209
gen6_enable_rps_interrupts+0x39/0x5c [i915]()
[ 64.318844] Modules linked in: dm_mod snd_hda_codec_realtek iTCO_wdt
snd_hda_codec_generic iTCO_vendor_support snd_hda_codec_hdmi serio_raw pcspkr
i2c_i801 lpc_ich mfd_core snd_hda_intel snd_hda_controller snd_hda_codec
snd_hwdep snd_pcm snd_timer snd soundcore battery wmi tpm_infineon tpm_tis tpm
acpi_cpufreq i915 video button drm_kms_helper drm
[ 64.318845] CPU: 0 PID: 786 Comm: kworker/0:1 Not tainted
3.15.0-rc8_kcloud_9c33ba_20140625+ #2
[ 64.318846] Hardware name: ASUS All Series/Z87-EXPERT, BIOS 1008 05/17/2013
[ 64.318851] Workqueue: events intel_gen6_powersave_work [i915]
[ 64.318853] 0000000000000000 ffffffff8170a8d4 0000000000000000
ffffffff81033f78
[ 64.318854] ffffffffa0068408 ffff880251380000 ffff880251ac4000
0000000000040000
[ 64.318854] ffff880251388238 ffffffffa0068408 ffff880251380000
ffffffffa006e97c
[ 64.318855] Call Trace:
[ 64.318859] [<ffffffff8170a8d4>] ? dump_stack+0x41/0x51
[ 64.318861] [<ffffffff81033f78>] ? warn_slowpath_common+0x6f/0x84
[ 64.318867] [<ffffffffa0068408>] ? gen6_enable_rps_interrupts+0x39/0x5c
[i915]
[ 64.318872] [<ffffffffa0068408>] ? gen6_enable_rps_interrupts+0x39/0x5c
[i915]
[ 64.318877] [<ffffffffa006e97c>] ? intel_gen6_powersave_work+0xe04/0xefe
[i915]
[ 64.318880] [<ffffffff81044d0c>] ? process_one_work+0x1c1/0x2ca
[ 64.318881] [<ffffffff8104584d>] ? worker_thread+0x1c9/0x2ad
[ 64.318882] [<ffffffff81045684>] ? rescuer_thread+0x267/0x267
[ 64.318883] [<ffffffff81049dc2>] ? kthread+0xca/0xd2
[ 64.318884] [<ffffffff81049cf8>] ? kthread_create_on_node+0x15d/0x15d
[ 64.318887] [<ffffffff81714dbc>] ? ret_from_fork+0x7c/0xb0
[ 64.318888] [<ffffffff81049cf8>] ? kthread_create_on_node+0x15d/0x15d</pre>
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