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<base href="https://bugs.freedesktop.org/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BSW]igt many cases have WARNING: CPU: 2 PID: 1005 at drivers/gpu/drm/i915/intel_dp.c:1456 intel_dp_probe_oui.part.16+0x12/0xb9 [i915]()"
href="https://bugs.freedesktop.org/show_bug.cgi?id=85361">85361</a>
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<th>Summary</th>
<td>[BSW]igt many cases have WARNING: CPU: 2 PID: 1005 at drivers/gpu/drm/i915/intel_dp.c:1456 intel_dp_probe_oui.part.16+0x12/0xb9 [i915]()
</td>
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<th>Product</th>
<td>DRI
</td>
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<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</td>
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<th>OS</th>
<td>Linux (All)
</td>
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<th>Status</th>
<td>NEW
</td>
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<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>huax.lu@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>==System Environment==
--------------------------
Regression: not sure
Non-working platforms: BSW
==kernel==
--------------------------
drm-intel-nightly/77683b77aa4da6e1788838dad2d2a15b0dfc290
==Bug detailed description==
-----------------------------
Run automation testing, many cases have WARNING: CPU: 2 PID: 1005 at
drivers/gpu/drm/i915/intel_dp.c:1456 intel_dp_probe_oui.part.16+0x12/0xb9
[i915]().
I can't reproduce it manually.
It impacts include kms_flip/kms_pipe_crc_basic/kms_plane/kms_render/kms_setmode
test log:
@test: Intel_gpu_tools/igt_kms_flip_wf_vblank
info: @@@Returncode: 0
test case start at: Thu Dec 12 00:04:58 2013
test case end at: Thu Dec 12 00:05:41 2013
Errors:
Dmesg:
<4>[ 335.105960] WARNING: CPU: 2 PID: 1005 at
drivers/gpu/drm/i915/intel_dp.c:1456 intel_dp_probe_oui.part.16+0x12/0xb9
[i915]()
<4>[ 335.105968] Modules linked in: ip6table_filter ip6_tables ipv6
iptable_filter ip_tables ebtable_nat ebtables x_tables dm_mod
snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support snd_hda_codec_realtek
snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_controller
snd_hda_codec snd_hwdep snd_pcm lpc_ich i2c_i801 mfd_core snd_timer snd
soundcore battery ac acpi_cpufreq option usb_wwan usbserial i915 button video
drm_kms_helper drm cfbfillrect cfbimgblt cfbcopyarea
<4>[ 335.106024] CPU: 2 PID: 1005 Comm: kworker/u8:2 Not tainted
3.18.0-rc1_drm-intel-nightly_1e61c9_20141022+ #742
<4>[ 335.278900] WARNING: CPU: 1 PID: 6345 at
drivers/gpu/drm/i915/intel_dp.c:1538 edp_panel_vdd_off.part.9+0x2c/0x4b
[i915]()
<4>[ 335.278911] ip6table_filter ip6_tables ipv6 iptable_filter ip_tables
ebtable_nat ebtables x_tables dm_mod snd_hda_codec_hdmi iTCO_wdt
iTCO_vendor_support snd_hda_codec_realtek snd_hda_codec_generic pcspkr
serio_raw snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm
lpc_ich i2c_i801 mfd_core snd_timer snd soundcore battery ac acpi_cpufreq
option usb_wwan usbserial i915 button video drm_kms_helper drm cfbfillrect
cfbimgblt cfbcopyarea
<4>[ 335.278965] CPU: 1 PID: 6345 Comm: kms_flip Tainted: G W
3.18.0-rc1_drm-intel-nightly_1e61c9_20141022+ #742
<4>[ 335.279232] [<ffffffffa0057dc4>] ?
drm_helper_probe_single_connector_modes_merge_bits+0xbc/0x31b [drm_kms_helper]
<4>[ 335.279251] [<ffffffffa001af58>] ? drm_mode_getconnector+0xe4/0x2ff
[drm]
<4>[ 335.279267] [<ffffffffa0023894>] ? drm_modeset_unlock_all+0x41/0x50
[drm]
<4>[ 335.279283] [<ffffffffa0010738>] ? drm_ioctl+0x279/0x3bc [drm]
<4>[ 335.279300] [<ffffffffa001ae74>] ? drm_mode_getcrtc+0xb3/0xb3 [drm]
<4>[ 352.863705] WARNING: CPU: 1 PID: 1005 at
drivers/gpu/drm/i915/intel_dp.c:1456 intel_dp_probe_oui.part.16+0x12/0xb9
[i915]()
<4>[ 352.863713] Modules linked in: ip6table_filter ip6_tables ipv6
iptable_filter ip_tables ebtable_nat ebtables x_tables dm_mod
snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support snd_hda_codec_realtek
snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_controller
snd_hda_codec snd_hwdep snd_pcm lpc_ich i2c_i801 mfd_core snd_timer snd
soundcore battery ac acpi_cpufreq option usb_wwan usbserial i915 button video
drm_kms_helper drm cfbfillrect cfbimgblt cfbcopyarea
<4>[ 352.863770] CPU: 1 PID: 1005 Comm: kworker/u8:2 Tainted: G W
3.18.0-rc1_drm-intel-nightly_1e61c9_20141022+ #742
<4>[ 353.039760] WARNING: CPU: 2 PID: 6345 at
drivers/gpu/drm/i915/intel_dp.c:1538 edp_panel_vdd_off.part.9+0x2c/0x4b
[i915]()
<4>[ 353.039771] ip6table_filter ip6_tables ipv6 iptable_filter ip_tables
ebtable_nat ebtables x_tables dm_mod snd_hda_codec_hdmi iTCO_wdt
iTCO_vendor_support snd_hda_codec_realtek snd_hda_codec_generic pcspkr
serio_raw snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm
lpc_ich i2c_i801 mfd_core snd_timer snd soundcore battery ac acpi_cpufreq
option usb_wwan usbserial i915 button video drm_kms_helper drm cfbfillrect
cfbimgblt cfbcopyarea
<4>[ 353.039825] CPU: 2 PID: 6345 Comm: kms_flip Tainted: G W
3.18.0-rc1_drm-intel-nightly_1e61c9_20141022+ #742
<4>[ 353.040093] [<ffffffffa0057dc4>] ?
drm_helper_probe_single_connector_modes_merge_bits+0xbc/0x31b [drm_kms_helper]
<4>[ 353.040112] [<ffffffffa001af58>] ? drm_mode_getconnector+0xe4/0x2ff
[drm]
<4>[ 353.040127] [<ffffffffa0023894>] ? drm_modeset_unlock_all+0x41/0x50
[drm]
<4>[ 353.040143] [<ffffffffa0010738>] ? drm_ioctl+0x279/0x3bc [drm]
<4>[ 353.040160] [<ffffffffa001ae74>] ? drm_mode_getcrtc+0xb3/0xb3 [drm]</pre>
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