<html>
<head>
<base href="https://bugs.freedesktop.org/" />
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [ILK bisected]igt/gem_workarounds/suspend-resume cause dmesg warn."
href="https://bugs.freedesktop.org/show_bug.cgi?id=88913">88913</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[ILK bisected]igt/gem_workarounds/suspend-resume cause dmesg warn.
</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>hengx.ding@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=113039" name="attach_113039" title="dmesg for case igt/gem_workarounds/suspend-resume">attachment 113039</a> <a href="attachment.cgi?id=113039&action=edit" title="dmesg for case igt/gem_workarounds/suspend-resume">[details]</a></span>
dmesg for case igt/gem_workarounds/suspend-resume
==System Environment==
--------------------------
Regression: yes
Non-working platforms: ILK==kernel==
--------------------------
drm-intel-nightly/8b4216f91c7bf8d3459cadf9480116220bd6545e(2015-02-02)
==Bug detailed description==
-----------------------------
igt/gem_workarounds/suspend-resume case success, but there is dmesg warn after
run this case:
dmesg -r|egrep "<[1-4]>"|grep drm
<4>[ 1.427143] WARNING: CPU: 0 PID: 1219 at
drivers/gpu/drm/i915/intel_uncore.c:169
intel_uncore_forcewake_reset+0x18b/0x27e [i915]()
<4>[ 1.427150] Modules linked in: i915(+) button video drm_kms_helper drm
cfbfillrect cfbimgblt cfbcopyarea
<4>[ 1.427152] CPU: 0 PID: 1219 Comm: udevd Not tainted
3.19.0-rc6_drm-intel-nightly_8b4216_20150202+ #126
<4>[ 1.427315] [<ffffffffa00135ac>] ? drm_dev_register+0x74/0xe6 [drm]
<4>[ 1.427320] [<ffffffffa0015952>] ? drm_get_pci_dev+0xf7/0x1b2 [drm]
<4>[ 279.286823] WARNING: CPU: 1 PID: 4052 at
drivers/gpu/drm/i915/intel_uncore.c:169
intel_uncore_forcewake_reset+0x18b/0x27e [i915]()
<4>[ 279.286839] Modules linked in: ip6table_filter ip6_tables ebtable_nat
ebtables nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT
nf_reject_ipv4 iptable_mangle xt_tcpudp iptable_filter ip_tables x_tables
bridge stp llc ipv6 dm_mod iTCO_wdt iTCO_vendor_support snd_hda_codec_hdmi
ppdev snd_hda_codec_realtek snd_hda_codec_generic dcdbas serio_raw pcspkr
i2c_i801 snd_hda_intel lpc_ich snd_hda_controller mfd_core snd_hda_codec
snd_hwdep snd_pcm snd_timer snd soundcore wmi parport_pc parport tpm_tis tpm
acpi_cpufreq i915 button video drm_kms_helper drm cfbfillrect cfbimgblt
cfbcopyarea
<4>[ 279.286841] CPU: 1 PID: 4052 Comm: kworker/u16:13 Tainted: G W
3.19.0-rc6_drm-intel-nightly_8b4216_20150202+ #126
<4>[ 279.286886] [<ffffffffa00858dd>] ? i915_drm_suspend+0x17d/0x1b3 [i915]
<4>[ 279.695643] WARNING: CPU: 3 PID: 967 at
drivers/gpu/drm/i915/intel_uncore.c:169
intel_uncore_forcewake_reset+0x18b/0x27e [i915]()
<4>[ 279.695664] Modules linked in: ip6table_filter ip6_tables ebtable_nat
ebtables nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT
nf_reject_ipv4 iptable_mangle xt_tcpudp iptable_filter ip_tables x_tables
bridge stp llc ipv6 dm_mod iTCO_wdt iTCO_vendor_support snd_hda_codec_hdmi
ppdev snd_hda_codec_realtek snd_hda_codec_generic dcdbas serio_raw pcspkr
i2c_i801 snd_hda_intel lpc_ich snd_hda_controller mfd_core snd_hda_codec
snd_hwdep snd_pcm snd_timer snd soundcore wmi parport_pc parport tpm_tis tpm
acpi_cpufreq i915 button video drm_kms_helper drm cfbfillrect cfbimgblt
cfbcopyarea
<4>[ 279.695667] CPU: 3 PID: 967 Comm: kworker/u16:3 Tainted: G W
3.19.0-rc6_drm-intel-nightly_8b4216_20150202+ #126
<4>[ 279.695708] [<ffffffffa00863a3>] ? i915_drm_resume_early+0x94/0x94
[i915]
<4>[ 279.695721] [<ffffffffa008636c>] ? i915_drm_resume_early+0x5d/0x94
[i915]
==Reproduce steps==
----------------------------
./gem_workarounds --run-subtest suspend-resume</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are the QA Contact for the bug.</li>
<li>You are on the CC list for the bug.</li>
<li>You are the assignee for the bug.</li>
</ul>
</body>
</html>