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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [SKL]igt/kms_3d takes more than 10 minutes and kernel BUG at drivers/gpu/drm/i915/intel_display.c:2766!"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89125">89125</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[SKL]igt/kms_3d takes more than 10 minutes and kernel BUG at drivers/gpu/drm/i915/intel_display.c:2766!
</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=113444" name="attach_113444" title="dmesg">attachment 113444</a> <a href="attachment.cgi?id=113444&action=edit" title="dmesg">[details]</a></span>
dmesg
==System Environment==
--------------------------
Regression: not sure
no-working platforms: SKL
==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==
-----------------------------
It takes more than 10 minutes and doesn't exit testing.
output:
IGT-Version: 1.9-g9846e7f (x86_64) (Linux:
3.19.0-rc7_drm-intel-nightly_b4442e_20150208+ x86_64)
Testing:
1920x1080i 60 1920 2008 2052 2200 1080 1084 1094 1125 0x20015 0x40 74250
(3D:SBSH)
dmesg:
[ 156.079070] kernel BUG at drivers/gpu/drm/i915/intel_display.c:2766!
[ 156.079129] invalid opcode: 0000 [#1] SMP
[ 156.079177] Modules linked in: dm_mod snd_hda_codec_realtek
snd_hda_codec_generic ppdev snd_hda_intel snd_hda_controller snd_hda_codec
snd_hwdep snd_pcm pcspkr snd_timer snd i2c_i801 soundcore wmi battery
parport_pc parport ac acpi_cpufreq i915 button video drm_kms_helper drm
cfbfillrect cfbimgblt cfbcopyarea
[ 156.079533] CPU: 0 PID: 5028 Comm: kms_3d Not tainted
3.19.0-rc7_drm-intel-nightly_b4442e_20150208+ #198
[ 156.079630] Hardware name: Intel Corporation Skylake Client platform/Skylake
Y LPDDR3 RVP3, BIOS SKLSE2R1.86C.B069.R00.1501192136 01/19/2015
[ 156.083167] task: ffff880004f5a000 ti: ffff880089060000 task.ti:
ffff880089060000
[ 156.086720] RIP: 0010:[<ffffffffa00cec6b>] [<ffffffffa00cec6b>]
skylake_update_primary_plane+0xbc/0x28a [i915]
[ 156.090392] RSP: 0018:ffff880089063aa8 EFLAGS: 00010293
[ 156.094091] RAX: 0000000034325241 RBX: ffff8801442e0000 RCX:
0000000000000000
[ 156.097757] RDX: 0000000000000000 RSI: ffff8800045ee180 RDI:
ffff880144311000
[ 156.101425] RBP: 0000000000000000 R08: ffff8800045ee180 R09:
000000000007039c
[ 156.105082] R10: ffff8801442e9900 R11: ffff8801442e9900 R12:
ffff8801442e0000
[ 156.108769] R13: ffff880144311000 R14: 0000000000000000 R15:
0000000000000000
[ 156.112518] FS: 00007f51181088c0(0000) GS:ffff88014e400000(0000)
knlGS:0000000000000000
[ 156.116222] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 156.119920] CR2: 00000000018db000 CR3: 0000000004745000 CR4:
00000000003407f0
[ 156.123670] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[ 156.127396] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
[ 156.131117] Stack:
[ 156.134826] ffff8801442e8970 ffff8801442e0000 0000000048edc001
0000000000000000
[ 156.138618] 0000000000000000 ffff880100000000 0000000000000000
ffff880144311000
[ 156.142441] ffff880148edc000 ffff8801442e0000 ffff880004d4b000
ffff880144311000
[ 156.146263] Call Trace:
[ 156.150100] [<ffffffffa00d4b2b>] ? intel_enable_primary_hw_plane+0x55/0x83
[i915]
[ 156.153974] [<ffffffffa00d7d21>] ? intel_crtc_enable_planes+0x25/0xc3
[i915]
[ 156.157858] [<ffffffffa00d9878>] ? __intel_set_mode+0x7e5/0x895 [i915]
[ 156.161749] [<ffffffffa00df2d3>] ? intel_crtc_set_config+0x7d0/0xbb9 [i915]
[ 156.165631] [<ffffffff81797406>] ? printk+0x48/0x4d
[ 156.169522] [<ffffffffa001804a>] ? drm_mode_set_config_internal+0x4e/0xd2
[drm]
[ 156.173436] [<ffffffffa001bea4>] ? drm_mode_setcrtc+0x404/0x4a9 [drm]
[ 156.177352] [<ffffffffa001070a>] ? drm_ioctl+0x279/0x3bc [drm]
[ 156.181397] [<ffffffff810f00f0>] ? tlb_finish_mmu+0xb/0x2f
[ 156.185317] [<ffffffffa001baa0>] ? drm_mode_setplane+0x1e4/0x1e4 [drm]
[ 156.189242] [<ffffffffa000faeb>] ? drm_gem_vm_close+0x2a/0x4b [drm]
[ 156.193182] [<ffffffff8112241d>] ? do_vfs_ioctl+0x412/0x459
[ 156.197132] [<ffffffff811224ad>] ? SyS_ioctl+0x49/0x78
[ 156.201068] [<ffffffff817a0092>] ? system_call_fastpath+0x12/0x17
[ 156.205039] Code: 33 30 75 27 eb 17 3d 58 52 32 34 74 27 3d 52 47 31 36 75
17 eb 17 b8 00 00 90 c4 eb 1c b8 00 00 80 c2 eb 15 b8 00 00 90 c2 eb 0e <0f> 0b
b8 00 00 80 ce eb 05 b8 00 00 80 c4 4d 8b b8 88 00 00 00
[ 156.209445] RIP [<ffffffffa00cec6b>]
skylake_update_primary_plane+0xbc/0x28a [i915]
[ 156.213645] RSP <ffff880089063aa8>
[ 156.217925] ---[ end trace 049b3d55b8f9522b ]---
==Reproduce steps==
----------------------------
1. ./kms_3d</pre>
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