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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 - [SKL]igt/kms_flip fails and causes drivers/gpu/drm/i915/intel_display.c:3612 intel_crtc_wait_for_pending_flips+0xec/0x1ad [i915]()"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89127">89127</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[SKL]igt/kms_flip fails and causes drivers/gpu/drm/i915/intel_display.c:3612 intel_crtc_wait_for_pending_flips+0xec/0x1ad [i915]()
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (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>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>Created <span class=""><a href="attachment.cgi?id=113446" name="attach_113446" title="dmesg">attachment 113446</a> <a href="attachment.cgi?id=113446&action=edit" title="dmesg">[details]</a></span>
dmesg
==kernel==
--------------------------
drm-intel-nightly/b4442ee4e150506cebeee72249efc566c5f14bbe
commit b4442ee4e150506cebeee72249efc566c5f14bbe
Author: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
Date: Fri Feb 6 10:25:31 2015 +0100
drm-intel-nightly: 2015y-02m-06d-09h-25m-00s UTC integration manifest
==Bug detailed description==
-----------------------------
kms_flip fails and causes WARNING: CPU: 0 PID: 5242 at
drivers/gpu/drm/i915/intel_display.c:3612
intel_crtc_wait_for_pending_flips+0xec/0x1ad [i915]()
run ./kms_flip --run-subtest absolute-wf_vblank output:
IGT-Version: 1.9-g9846e7f (x86_64) (Linux:
3.19.0-rc7_drm-intel-nightly_b4442e_20150208+ x86_64)
Using monotonic timestamps
Beginning absolute-wf_vblank on crtc 20, connector 34
3200x1800 60 3200 3248 3280 3316 1800 1802 1807 1816 0xa 0x48 361310
............................................................
absolute-wf_vblank on crtc 20, connector 34: PASSED
Beginning absolute-wf_vblank on crtc 25, connector 34
3200x1800 60 3200 3248 3280 3316 1800 1802 1807 1816 0xa 0x48 361310
(kms_flip:5242) CRITICAL: Test assertion failure function wait_for_events, file
kms_flip.c:1258:
(kms_flip:5242) CRITICAL: Failed assertion: ret > 0
(kms_flip:5242) CRITICAL: select timed out or error (ret 0)
Subtest absolute-wf_vblank: FAIL (14.777s)
real 1m16.251s
user 0m0.340s
sys 0m0.196s
dmesg:
[ 135.062622] WARNING: CPU: 0 PID: 5242 at
drivers/gpu/drm/i915/intel_display.c:3612
intel_crtc_wait_for_pending_flips+0xec/0x1ad [i915]()
[ 135.062625] WARN_ON(wait_event_timeout(dev_priv->pending_flip_queue,
!intel_crtc_has_pending_flip(crtc), 60*HZ) == 0)
[ 135.062670] Modules linked in: dm_mod snd_hda_codec_realtek
snd_hda_codec_generic ppdev snd_hda_intel snd_hda_controller pcspkr
snd_hda_codec snd_hwdep snd_pcm snd_timer i2c_i801 snd soundcore wmi battery
parport_pc parport ac acpi_cpufreq i915 button video drm_kms_helper drm
cfbfillrect cfbimgblt cfbcopyarea
[ 135.062675] CPU: 0 PID: 5242 Comm: kms_flip Not tainted
3.19.0-rc7_drm-intel-nightly_b4442e_20150208+ #198
[ 135.062677] Hardware name: Intel Corporation Skylake Client platform/Skylake
Y LPDDR3 RVP3, BIOS SKLSE2R1.86C.B069.R00.1501192136 01/19/2015
[ 135.062681] 0000000000000000 0000000000000009 ffffffff8179a69b
ffff880143f3f8e8
[ 135.062683] ffffffff8103bdec ffffffff833b3a80 ffffffffa00d7244
ffffffff833b3a80
[ 135.062686] ffff880144282000 0000000000000000 ffff8801440b9800
ffff880004ed0000
[ 135.062687] Call Trace:
[ 135.062695] [<ffffffff8179a69b>] ? dump_stack+0x40/0x50
[ 135.062702] [<ffffffff8103bdec>] ? warn_slowpath_common+0x98/0xb0
[ 135.062725] [<ffffffffa00d7244>] ?
intel_crtc_wait_for_pending_flips+0xec/0x1ad [i915]
[ 135.062729] [<ffffffff8103be9c>] ? warn_slowpath_fmt+0x45/0x4a
[ 135.062736] [<ffffffff81064f7a>] ? prepare_to_wait_event+0xb0/0xec
[ 135.062755] [<ffffffffa00d7244>] ?
intel_crtc_wait_for_pending_flips+0xec/0x1ad [i915]
[ 135.062760] [<ffffffff81065284>] ? add_wait_queue+0x3c/0x3c
[ 135.062778] [<ffffffffa00d73f9>] ? intel_begin_crtc_commit+0xf4/0x15e
[i915]
[ 135.062786] [<ffffffffa0062a72>] ?
drm_atomic_helper_commit_planes+0x4b/0x149 [drm_kms_helper]
[ 135.062808] [<ffffffffa00ee7fd>] ? intel_atomic_commit+0xa3/0xc9 [i915]
[ 135.062815] [<ffffffffa006328a>] ?
drm_atomic_helper_plane_set_property+0x62/0x9c [drm_kms_helper]
[ 135.062880] [<ffffffffa001723f>] ? drm_mode_plane_set_obj_prop+0x22/0x48
[drm]
[ 135.062886] [<ffffffffa006528f>] ? restore_fbdev_mode+0x55/0xc3
[drm_kms_helper]
[ 135.062892] [<ffffffffa00665ff>] ?
drm_fb_helper_restore_fbdev_mode_unlocked+0x1f/0x56 [drm_kms_helper]
[ 135.062897] [<ffffffffa0066664>] ? drm_fb_helper_set_par+0x2e/0x33
[drm_kms_helper]
[ 135.062918] [<ffffffffa00eb9fa>] ? intel_fb_initial_config+0x4d1/0x4d1
[i915]
[ 135.062936] [<ffffffffa00eba0b>] ? intel_fbdev_set_par+0x11/0x55 [i915]
[ 135.062940] [<ffffffff813820db>] ? fb_set_var+0x246/0x32c
[ 135.062946] [<ffffffff8134577b>] ? vsnprintf+0x70/0x3cc
[ 135.062952] [<ffffffff8110dce2>] ? kmem_cache_alloc_trace+0x2a/0x104
[ 135.062958] [<ffffffff8137a6e0>] ? fbcon_blank+0x71/0x230
[ 135.062963] [<ffffffff81112176>] ? do_dentry_open+0x1f1/0x2a6
[ 135.062968] [<ffffffff813ce94b>] ? do_unblank_screen+0xef/0x169
[ 135.062972] [<ffffffff813c6f94>] ? vt_ioctl+0x4b0/0xf7f
[ 135.062977] [<ffffffff813be628>] ? tty_ioctl+0x946/0x9b5
[ 135.062981] [<ffffffff8112069f>] ? do_filp_open+0x2b/0x6f
[ 135.062986] [<ffffffff8112241d>] ? do_vfs_ioctl+0x412/0x459
[ 135.062990] [<ffffffff81129d70>] ? __fd_install+0x15/0x43
[ 135.062994] [<ffffffff811224ad>] ? SyS_ioctl+0x49/0x78
[ 135.062998] [<ffffffff817a0092>] ? system_call_fastpath+0x12/0x17
[ 135.063000] ---[ end trace 342b78d921c2a6a6 ]---
[ 135.063001] ------------[ cut here ]------------
[ 135.063022] WARNING: CPU: 0 PID: 5242 at
drivers/gpu/drm/i915/intel_display.c:3617
intel_crtc_wait_for_pending_flips+0x126/0x1ad [i915]()
==Reproduce steps==
----------------------------
1. ./kms_flip --run-subtest absolute-wf_vblank</pre>
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