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<base href="https://bugs.freedesktop.org/" />
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<th>Priority</th>
<td>high
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [PNV Regression]igt/kms_flip some subcases cause "WARNING: CPU: 1 PID: 5455 at drivers/gpu/drm/i915/i915_drv.c:1487 intel_suspend_complete+0x54a/0x58d [i915]()""
href="https://bugs.freedesktop.org/show_bug.cgi?id=82751">82751</a>
</td>
</tr>
<tr>
<th>Keywords</th>
<td>bisect_pending
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[PNV Regression]igt/kms_flip some subcases cause "WARNING: CPU: 1 PID: 5455 at drivers/gpu/drm/i915/i915_drv.c:1487 intel_suspend_complete+0x54a/0x58d [i915]()"
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Reporter</th>
<td>jinxianx.guo@intel.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=104801" name="attach_104801" title="dmesg">attachment 104801</a> <a href="attachment.cgi?id=104801&action=edit" title="dmesg">[details]</a></span>
dmesg
==System Environment==
--------------------------
Regression: Yes.
Good commit on -next-queued: c0ee2e894256703265604a7455d614409c010ce8
Non-working platforms: PNV
==kernel==
--------------------------
origin/drm-intel-nightly: 186631131a9289dad22f51315d78b9b6ac5b425f(fails)
drm-intel-nightly: 2014y-08m-15d-14h-55m-27s integration manifest
origin/drm-intel-next-queued: ecca3fd0ea82c45b558f68b1ff3bf6685b443ab1(fails)
drm/i915/bdw: Enable Logical Ring Contexts (hence, Execlists)
origin/drm-intel-fixes: 103ae732ad26141515f109c80b5c1ced16e457c3(works)
drm/i915: Don't try to enable cursor from setplane when crtc is disabled
==Bug detailed description==
-----------------------------
igt/kms_flip some subcases cause "WARNING: CPU: 1 PID: 5455 at
drivers/gpu/drm/i915/i915_drv.c:1487 intel_suspend_complete+0x54a/0x58d
[i915]()"
Case list:
igt/kms_flip/vblank-vs-dpms-suspend
igt/kms_flip/vblank-vs-dpms-suspend-interruptible
igt/kms_flip/vblank-vs-modeset-suspend
igt/kms_flip/vblank-vs-modeset-suspend-interruptible
igt/kms_flip/vblank-vs-suspend
igt/kms_flip/vblank-vs-suspend-interruptible
Output:
[root@x-pnv2 tests]# ./kms_flip --run-subtest vblank-vs-dpms-suspend
IGT-Version: 1.7-g1bec6cb (i686) (Linux:
3.16.0_drm-intel-nightly_186631_20140818+ i686)
Using monotonic timestamps
Beginning vblank-vs-dpms-suspend on crtc 10, connector 11
1024x600 60 1024 1072 1104 1200 600 603 609 625 0xa 0x48 45000
.rtcwake: wakeup from ""mem"" using /dev/rtc0 at Mon Aug 18 19:28:27 2014
.rtcwake: wakeup from ""mem"" using /dev/rtc0 at Mon Aug 18 19:29:00 2014
Test assertion failure function check_state, file kms_flip.c:557:
Failed assertion: timercmp(&es->last_received_ts, &es->current_ts, <)
vblank ts before the vblank was issued!
timerdiff -1s, 990844us
Subtest vblank-vs-dpms-suspend: FAIL
[root@x-pnv2 tests]# dmesg -r|egrep ""<[1-4]>""|grep drm
<4>[ 668.924655] WARNING: CPU: 1 PID: 5455 at
drivers/gpu/drm/i915/i915_drv.c:1487 intel_suspend_complete+0x54a/0x58d
[i915]()
<4>[ 668.924712] Modules linked in: ip6table_filter ip6_tables ebtable_nat
ebtables nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT
iptable_mangle xt_tcpudp iptable_filter ip_tables x_tables bridge stp llc ipv6
dm_mod iTCO_wdt iTCO_vendor_support msi_laptop sparse_keymap rfkill pcspkr
i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core
snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm r8169
snd_timer snd soundcore wmi battery ac acpi_cpufreq joydev i915 button video
drm_kms_helper drm cfbfillrect cfbimgblt cfbcopyarea
<4>[ 668.924718] CPU: 1 PID: 5455 Comm: kworker/u4:15 Not tainted
3.16.0_drm-intel-nightly_186631_20140818+ #1538
<3>[ 668.924964] [drm:i915_pm_suspend_late] *ERROR* Suspend complete failed:
-19
<4>[ 672.470656] WARNING: CPU: 1 PID: 5477 at
drivers/gpu/drm/i915/i915_drv.c:1487 intel_suspend_complete+0x54a/0x58d
[i915]()
<4>[ 672.470713] Modules linked in: ip6table_filter ip6_tables ebtable_nat
ebtables nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT
iptable_mangle xt_tcpudp iptable_filter ip_tables x_tables bridge stp llc ipv6
dm_mod iTCO_wdt iTCO_vendor_support msi_laptop sparse_keymap rfkill pcspkr
i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich mfd_core
snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm r8169
snd_timer snd soundcore wmi battery ac acpi_cpufreq joydev i915 button video
drm_kms_helper drm cfbfillrect cfbimgblt cfbcopyarea
<4>[ 672.470719] CPU: 1 PID: 5477 Comm: kworker/u4:37 Tainted: G W
3.16.0_drm-intel-nightly_186631_20140818+ #1538
<3>[ 672.470974] [drm:i915_pm_suspend_late] *ERROR* Suspend complete failed:
-19
Reproduce steps:
-------------------------
1. ./kms_flip --run-subtest vblank-vs-dpms-suspend</pre>
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