<html>
<head>
<base href="https://bugs.freedesktop.org/" />
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Priority</th>
<td>high
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [HSW Regression]igt/kms_cursor_crc causes calltrace"
href="https://bugs.freedesktop.org/show_bug.cgi?id=76544">76544</a>
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[HSW Regression]igt/kms_cursor_crc causes calltrace
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>major
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Reporter</th>
<td>huax.lu@intel.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=96274" name="attach_96274" title="dmesg">attachment 96274</a> <a href="attachment.cgi?id=96274&action=edit" title="dmesg">[details]</a></span>
dmesg
System Environment:
--------------------------
Platform: Haswell
Kernel: drm-intel-next-queued/56da08b36ee58a58723fe1bfb5fbe624a7442689/
Bug detailed description:
-----------------------------
Run ./kms_cursor_crc on Haswell with -queued kernel, call trace reports in
dmesg.
The latest known good commit: 484b41dd70a9fbea894632d8926bbb93f05021c7
The latest known bad commit: 56da08b36ee58a58723fe1bfb5fbe624a7442689
[ 89.802315] WARNING: CPU: 4 PID: 781 at
drivers/gpu/drm/i915/intel_display.c:6882 hsw_enable_pc8+0xcf/0x626 [i915]()
[ 89.802344] CRTC for pipe A enabled
[ 89.802354] Modules linked in: dm_mod snd_hda_codec_realtek
snd_hda_codec_generic snd_hda_codec_hdmi pcspkr serio_raw i2c_i801 iTCO_wdt
iTCO_vendor_support lpc_ich mfd_core snd_hda_intel snd_hda_codec snd_hwdep
snd_pcm snd_timer snd soundcore battery tpm_infineon tpm_tis tpm wmi
acpi_cpufreq i915 video button drm_kms_helper drm
[ 89.802470] CPU: 4 PID: 781 Comm: kworker/4:1 Not tainted
3.14.0-rc7_drm-intel-nightly_ef4aa4_20140323+ #942
[ 89.802496] Hardware name: ASUS All Series/Z87-EXPERT, BIOS 1008 05/17/2013
[ 89.802517] Workqueue: pm pm_runtime_work
[ 89.802529] 0000000000000000 0000000000000009 ffffffff81716de3
ffff880255e7bc88
[ 89.802553] ffffffff81035052 ffffc900090c4024 ffffffffa009e9d6
0000000000000000
[ 89.802578] ffff88025114c000 ffff88025586d000 ffff8802514a2b00
ffff880256317098
[ 89.802601] Call Trace:
[ 89.802612] [<ffffffff81716de3>] ? dump_stack+0x41/0x51
[ 89.802629] [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
[ 89.802650] [<ffffffffa009e9d6>] ? hsw_enable_pc8+0xcf/0x626 [i915]
[ 89.802669] [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
[ 89.802689] [<ffffffffa009e9d6>] ? hsw_enable_pc8+0xcf/0x626 [i915]
[ 89.802710] [<ffffffffa00600f3>] ? i915_runtime_suspend+0x62/0xb1 [i915]
[ 89.802732] [<ffffffff812f8728>] ? pci_pm_runtime_suspend+0x60/0x119
[ 89.802750] [<ffffffff81383e2e>] ? __rpm_callback+0x28/0x4c
[ 89.802766] [<ffffffff81383e9d>] ? rpm_callback+0x4b/0x69
[ 89.802781] [<ffffffff81384449>] ? rpm_suspend+0x2a9/0x3f9
[ 89.802798] [<ffffffff8103c75e>] ? internal_add_timer+0xd/0x28
[ 89.802814] [<ffffffff8103cf3f>] ? mod_timer+0x125/0x13d
[ 89.802829] [<ffffffff813850e9>] ? pm_runtime_work+0x65/0x7b
[ 89.802847] [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
[ 89.802863] [<ffffffff810445c0>] ? pwq_activate_delayed_work+0x1e/0x28
[ 89.802883] [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
[ 89.802899] [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
[ 89.802916] [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
[ 89.802932] [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
[ 89.802951] [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
[ 89.802968] [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
[ 89.802987] ---[ end trace 7da3cc66c49a1c38 ]---
Reproduce steps:
----------------------------
1. ./kms_cursor_crc</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are the QA Contact for the bug.</li>
<li>You are on the CC list for the bug.</li>
<li>You are the assignee for the bug.</li>
</ul>
</body>
</html>