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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_REOPENED "
title="REOPENED - [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;">Status</td>
<td>RESOLVED
</td>
<td>REOPENED
</td>
</tr>
<tr>
<td style="text-align:right;">Resolution</td>
<td>FIXED
</td>
<td>---
</td>
</tr></table>
<p>
<div>
<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [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#c9">Comment # 9</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [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>(In reply to Daniel Vetter from <a href="show_bug.cgi?id=83759#c8">comment #8</a>)
<span class="quote">> Ah, bad mixup on my side. This should be address with
>
> commit cb4975b7c365f6d8e6d17cf4a24d846b3d27e6b7
> Author: Ville Syrjälä <<a href="mailto:ville.syrjala@linux.intel.com">ville.syrjala@linux.intel.com</a>>
> Date: Tue May 27 21:33:09 2014 +0300
>
> drm/i915: Ignore SURFLIVE and flip counter when the GPU gets reset
>
> from -fixes. Please retest.</span >
The dmesg warning still able to reproduce on latest
-fixes(cb4975b7c365f6d8e6d17cf4a24d846b3d27e6b7).
[root@x-bsw01 tests]# ./kms_flip --run-subtest bcs-flip-vs-panning
IGT-Version: 1.8-gd807891 (x86_64) (Linux: 3.18.0-rc5_kcloud_cb4975_20141124+
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 (126.714s)
[root@x-bsw01 tests]# dmesg -r|egrep "<[1-4]>"|grep drm
<3>[ 216.435824] [drm:valleyview_pipestat_irq_handler] *ERROR* pipe A underrun
<4>[ 276.490606] WARNING: CPU: 3 PID: 3852 at
drivers/gpu/drm/i915/intel_display.c:3473
intel_crtc_wait_for_pending_flips+0xd7/0x18d [i915]()
<4>[ 276.490610] Modules linked in: iTCO_wdt iTCO_vendor_support dm_mod
serio_raw pcspkr snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic
snd_hda_intel snd_hda_controller snd_hda_codec lpc_ich mfd_core i2c_i801
snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq option
usb_wwan usbserial i915 button video drm_kms_helper dr
<4>[ 276.490842] [<ffffffffa000bea2>] ?
drm_mode_set_config_internal+0x48/0xbd [drm]
<4>[ 276.490860] [<ffffffffa000f62c>] ? drm_mode_setcrtc+0x38b/0x481 [drm]
<4>[ 276.490885] [<ffffffffa00047e3>] ? drm_ioctl+0x344/0x3b3 [drm]
<4>[ 276.490902] [<ffffffffa000f2a1>] ? drm_mode_setplane+0x1cd/0x1cd [drm]
<4>[ 276.490991] WARNING: CPU: 3 PID: 3852 at
drivers/gpu/drm/i915/intel_display.c:3479
intel_crtc_wait_for_pending_flips+0x10f/0x18d [i915]()
<4>[ 276.490997] Modules linked in: iTCO_wdt iTCO_vendor_support dm_mod
serio_raw pcspkr snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic
snd_hda_intel snd_hda_controller snd_hda_codec lpc_ich mfd_core i2c_i801
snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq option
usb_wwan usbserial i915 button video drm_kms_helper dr
<4>[ 276.491252] [<ffffffffa000bea2>] ?
drm_mode_set_config_internal+0x48/0xbd [drm]
<4>[ 276.491270] [<ffffffffa000f62c>] ? drm_mode_setcrtc+0x38b/0x481 [drm]
<4>[ 276.491293] [<ffffffffa00047e3>] ? drm_ioctl+0x344/0x3b3 [drm]
<4>[ 276.491311] [<ffffffffa000f2a1>] ? drm_mode_setplane+0x1cd/0x1cd [drm]
<3>[ 279.070298] [drm:valleyview_pipestat_irq_handler] *ERROR* pipe B underrun
<4>[ 339.125445] WARNING: CPU: 3 PID: 3852 at
drivers/gpu/drm/i915/intel_display.c:3473
intel_crtc_wait_for_pending_flips+0xd7/0x18d [i915]()
<4>[ 339.125449] Modules linked in: iTCO_wdt iTCO_vendor_support dm_mod
serio_raw pcspkr snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic
snd_hda_intel snd_hda_controller snd_hda_codec lpc_ich mfd_core i2c_i801
snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq option
usb_wwan usbserial i915 button video drm_kms_helper dr
<4>[ 339.125682] [<ffffffffa000bea2>] ?
drm_mode_set_config_internal+0x48/0xbd [drm]
<4>[ 339.125700] [<ffffffffa000f62c>] ? drm_mode_setcrtc+0x38b/0x481 [drm]
<4>[ 339.125725] [<ffffffffa00047e3>] ? drm_ioctl+0x344/0x3b3 [drm]
<4>[ 339.125742] [<ffffffffa000f2a1>] ? drm_mode_setplane+0x1cd/0x1cd [drm]
<3>[ 341.603419] [drm:i9xx_set_fifo_underrun_reporting] *ERROR* pipe B
underrun
<3>[ 341.603547] [drm:valleyview_pipestat_irq_handler] *ERROR* pipe B underrun</pre>
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