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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 - [BSW]igt/kms_flip subcases cause "WARNING: CPU: 0 PID: 3785 at drivers/gpu/drm/i915/intel_display.c:3486 intel_crtc_wait_for_pending_flips+0xdd/0x197 [i915]()""
href="https://bugs.freedesktop.org/show_bug.cgi?id=83759">bug 83759</a>
<br>
<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Keywords</td>
<td>bisect_pending
</td>
<td>
</td>
</tr>
<tr>
<td style="text-align:right;">Priority</td>
<td>highest
</td>
<td>medium
</td>
</tr>
<tr>
<td style="text-align:right;">Status</td>
<td>NEEDINFO
</td>
<td>ASSIGNED
</td>
</tr>
<tr>
<td style="text-align:right;">Summary</td>
<td>[BSW Bisected]igt/kms_flip subcases cause "WARNING: CPU: 0 PID: 3785 at drivers/gpu/drm/i915/intel_display.c:3486 intel_crtc_wait_for_pending_flips+0xdd/0x197 [i915]()"
</td>
<td>[BSW]igt/kms_flip subcases cause "WARNING: CPU: 0 PID: 3785 at drivers/gpu/drm/i915/intel_display.c:3486 intel_crtc_wait_for_pending_flips+0xdd/0x197 [i915]()"
</td>
</tr></table>
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<b><a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED - [BSW]igt/kms_flip subcases cause "WARNING: CPU: 0 PID: 3785 at drivers/gpu/drm/i915/intel_display.c:3486 intel_crtc_wait_for_pending_flips+0xdd/0x197 [i915]()""
href="https://bugs.freedesktop.org/show_bug.cgi?id=83759#c7">Comment # 7</a>
on <a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED - [BSW]igt/kms_flip subcases cause "WARNING: CPU: 0 PID: 3785 at drivers/gpu/drm/i915/intel_display.c:3486 intel_crtc_wait_for_pending_flips+0xdd/0x197 [i915]()""
href="https://bugs.freedesktop.org/show_bug.cgi?id=83759">bug 83759</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>I checked the parents commit of the bad commit a bisected. It is skips
On commit 1180e20606fd7c5d76dc5b2a1594fa51ba5a0f31, the result is skips
root@x-bsw03:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./kms_flip
--run-subtest bcs-flip-vs-panning
IGT-Version: 1.7-g5c7bcb1 (x86_64) (Linux: 3.17.0-rc5_glody_1180e2_20141110+
x86_64)
Using monotonic timestamps
Test requirement not met in function run_test, file kms_flip.c:1399:
Test requirement: modes
Subtest bcs-flip-vs-panning: SKIP
The bad commit is passed and have dmesg warning.
On commit e17ac6db2ef99388b750b2141c11974dc5742913, the result is dmesg
warning.
root@x-bsw03:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./kms_flip
--run-subtest bcs-flip-vs-panning
IGT-Version: 1.7-g5c7bcb1 (x86_64) (Linux: 3.17.0-rc5_glody_e17ac6_20141110+
x86_64)
Using monotonic timestamps
Beginning bcs-flip-vs-panning on crtc 8, connector 29
1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780
..
bcs-flip-vs-panning on crtc 8, connector 29: PASSED
Beginning bcs-flip-vs-panning on crtc 13, connector 29
1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780
..
bcs-flip-vs-panning on crtc 13, connector 29: PASSED
Subtest bcs-flip-vs-panning: SUCCESS
root@x-bsw03:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# dmesg -r|egrep
"<[1-4]>"|grep drm
<4>[ 115.100962] WARNING: CPU: 1 PID: 4303 at
drivers/gpu/drm/i915/intel_display.c:3473
intel_crtc_wait_for_pending_flips+0xd2/0x188 [i915]()
<4>[ 115.100966] Modules linked in: ipv6 dm_mod snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_controller
serio_raw pcspkr snd_hda_codec snd_hwdep snd_pcm i2c_i801 r8169 snd_timer snd
soundcore battery ac acpi_cpufreq option usb_wwan usbserial i915 button video
drm_kms_helper drm
<4>[ 115.101190] [<ffffffffa000bd74>] ?
drm_mode_set_config_internal+0x48/0xbd [drm]
<4>[ 115.101208] [<ffffffffa000f466>] ? drm_mode_setcrtc+0x388/0x47e [drm]
<4>[ 115.101225] [<ffffffffa0004749>] ? drm_ioctl+0x344/0x3b3 [drm]
<4>[ 115.101242] [<ffffffffa000f0de>] ? drm_mode_setplane+0x16b/0x16b [drm]
<4>[ 115.101316] WARNING: CPU: 1 PID: 4303 at
drivers/gpu/drm/i915/intel_display.c:3479
intel_crtc_wait_for_pending_flips+0x10a/0x188 [i915]()
<4>[ 115.101322] Modules linked in: ipv6 dm_mod snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_controller
serio_raw pcspkr snd_hda_codec snd_hwdep snd_pcm i2c_i801 r8169 snd_timer snd
soundcore battery ac acpi_cpufreq option usb_wwan usbserial i915 button video
drm_kms_helper drm
<4>[ 115.101575] [<ffffffffa000bd74>] ?
drm_mode_set_config_internal+0x48/0xbd [drm]
<4>[ 115.101593] [<ffffffffa000f466>] ? drm_mode_setcrtc+0x388/0x47e [drm]
<4>[ 115.101609] [<ffffffffa0004749>] ? drm_ioctl+0x344/0x3b3 [drm]
<4>[ 115.101626] [<ffffffffa000f0de>] ? drm_mode_setplane+0x16b/0x16b [drm]
<4>[ 177.806725] WARNING: CPU: 1 PID: 4303 at
drivers/gpu/drm/i915/intel_display.c:3473
intel_crtc_wait_for_pending_flips+0xd2/0x188 [i915]()
<4>[ 177.806729] Modules linked in: ipv6 dm_mod snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_controller
serio_raw pcspkr snd_hda_codec snd_hwdep snd_pcm i2c_i801 r8169 snd_timer snd
soundcore battery ac acpi_cpufreq option usb_wwan usbserial i915 button video
drm_kms_helper drm
<4>[ 177.806954] [<ffffffffa000bd74>] ?
drm_mode_set_config_internal+0x48/0xbd [drm]
<4>[ 177.806972] [<ffffffffa000f466>] ? drm_mode_setcrtc+0x388/0x47e [drm]
<4>[ 177.806989] [<ffffffffa0004749>] ? drm_ioctl+0x344/0x3b3 [drm]
<4>[ 177.807006] [<ffffffffa000f0de>] ? drm_mode_setplane+0x16b/0x16b [drm]
I tried to find good commit on the front of skip commit, and found that the
result all skipps. Maybe this issue isn't a regression issue.</pre>
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