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<base href="https://bugs.freedesktop.org/">
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - WARN_ON(reg->pin_count) during IGT"
href="https://bugs.freedesktop.org/show_bug.cgi?id=98804">98804</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>WARN_ON(reg->pin_count) during IGT
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>DRI git
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>OS</th>
<td>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>tvrtko.ursulin@linux.intel.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=128097" name="attach_128097" title="dmesg 1">attachment 128097</a> <a href="attachment.cgi?id=128097&action=edit" title="dmesg 1">[details]</a></span>
dmesg 1
With the current nightly I can get the below trace in so far two different
scenarios. First is while running the BAT suite in which case it happens during
the kms_busy/basic-flip-default-C subtest, and I also got it while running test
manually while running kms_setmode/basic.
[ 1915.935231] [drm:intel_runtime_suspend [i915]] Suspending device
[ 1915.935248] ------------[ cut here ]------------
[ 1915.935332] WARNING: CPU: 1 PID: 10861 at
drivers/gpu/drm/i915/i915_gem.c:2022 i915_gem_runtime_suspend+0x116/0x130
[i915]
[ 1915.935383] WARN_ON(reg->pin_count)[ 1915.935399] Modules linked in:
snd_hda_intel i915 drm_kms_helper vgem netconsole scsi_transport_iscsi fuse
vfat fat x86_pkg_temp_thermal coretemp intel_cstate intel_uncore
snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_codec snd_hwdep snd_hda_core
snd_pcm snd_timer snd mei_me mei serio_raw intel_rapl_perf intel_pch_thermal
soundcore wmi acpi_pad i2c_algo_bit syscopyarea sysfillrect sysimgblt
fb_sys_fops drm r8169 mii video [last unloaded: drm_kms_helper]
[ 1915.935785] CPU: 1 PID: 10861 Comm: kworker/1:0 Tainted: G U W
4.9.0-rc5+ #170
[ 1915.935799] Hardware name: LENOVO 80MX/Lenovo E31-80, BIOS DCCN34WW(V2.03)
12/01/2015
[ 1915.935822] Workqueue: pm pm_runtime_work
[ 1915.935845] ffffc900044fbbf0 ffffffffac3220bc ffffc900044fbc40
0000000000000000
[ 1915.935890] ffffc900044fbc30 ffffffffac059bcb 000007e6044fbc60
ffff8801626e3198
[ 1915.935937] ffff8801626e0000 0000000000000002 ffffffffc05e5d4e
0000000000000000
[ 1915.935985] Call Trace:
[ 1915.936013] [<ffffffffac3220bc>] dump_stack+0x4f/0x73
[ 1915.936038] [<ffffffffac059bcb>] __warn+0xcb/0xf0
[ 1915.936060] [<ffffffffac059c4f>] warn_slowpath_fmt+0x5f/0x80
[ 1915.936158] [<ffffffffc052d916>] i915_gem_runtime_suspend+0x116/0x130
[i915]
[ 1915.936251] [<ffffffffc04f1c74>] intel_runtime_suspend+0x64/0x280 [i915]
[ 1915.936277] [<ffffffffac0926f1>] ? dequeue_entity+0x241/0xbc0
[ 1915.936298] [<ffffffffac36bb85>] pci_pm_runtime_suspend+0x55/0x180
[ 1915.936317] [<ffffffffac36bb30>] ? pci_pm_runtime_resume+0xa0/0xa0
[ 1915.936339] [<ffffffffac4514e2>] __rpm_callback+0x32/0x70
[ 1915.936356] [<ffffffffac451544>] rpm_callback+0x24/0x80
[ 1915.936375] [<ffffffffac36bb30>] ? pci_pm_runtime_resume+0xa0/0xa0
[ 1915.936392] [<ffffffffac45222d>] rpm_suspend+0x12d/0x680
[ 1915.936415] [<ffffffffac69f6d7>] ? _raw_spin_unlock_irq+0x17/0x30
[ 1915.936435] [<ffffffffac0810b8>] ? finish_task_switch+0x88/0x220
[ 1915.936455] [<ffffffffac4534bf>] pm_runtime_work+0x6f/0xb0
[ 1915.936477] [<ffffffffac074353>] process_one_work+0x1f3/0x4d0
[ 1915.936501] [<ffffffffac074678>] worker_thread+0x48/0x4e0
[ 1915.936523] [<ffffffffac074630>] ? process_one_work+0x4d0/0x4d0
[ 1915.936542] [<ffffffffac074630>] ? process_one_work+0x4d0/0x4d0
[ 1915.936559] [<ffffffffac07a2c9>] kthread+0xd9/0xf0
[ 1915.936580] [<ffffffffac07a1f0>] ? kthread_park+0x60/0x60
[ 1915.936600] [<ffffffffac69fe62>] ret_from_fork+0x22/0x30
[ 1915.936646] ---[ end trace f9357374d2333f67 ]---
[ 1915.940175] [drm:intel_runtime_suspend [i915]] Device suspended</pre>
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