<html>
<head>
<base href="https://bugs.freedesktop.org/" />
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [bdw MST] BUG during detection"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89567">89567</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[bdw MST] BUG during detection
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>DRI git
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>blocker
</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>chris@chris-wilson.co.uk
</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=114279" name="attach_114279" title="dmesg">attachment 114279</a> <a href="attachment.cgi?id=114279&action=edit" title="dmesg">[details]</a></span>
dmesg
See attached for complete list of WARNs until the fatal BUG. I guess the root
cause is:
Mar 13 08:57:00 nuc-5i5ryk kernel: [ 4.110230] ------------[ cut here
]------------
Mar 13 08:57:00 nuc-5i5ryk kernel: [ 4.110243] WARNING: CPU: 1 PID: 201 at
include/linux/kref.h:47 drm_framebuffer_reference+0x6e/0x80 [drm]()
Mar 13 08:57:00 nuc-5i5ryk kernel: [ 4.110244] Modules linked in: i915
i2c_algo_bit drm_kms_helper drm e1000e psmouse ahci libahci ptp pps_core
sdhci_acpi video sdhci
Mar 13 08:57:00 nuc-5i5ryk kernel: [ 4.110253] CPU: 1 PID: 201 Comm:
plymouthd Tainted: G W 4.0.0-rc3+ #3
Mar 13 08:57:00 nuc-5i5ryk kernel: [ 4.110254] Hardware name:
ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ/NUC5i5RYB,
BIOS RYBDWi35.86A.0137.2015.0107.1700 01/07/2015
Mar 13 08:57:00 nuc-5i5ryk kernel: [ 4.110255] ffffffffa00fad82
ffff8800295abc28 ffffffff817892b4 0000000000002b42
Mar 13 08:57:00 nuc-5i5ryk kernel: [ 4.110257] 0000000000000000
ffff8800295abc68 ffffffff8107254a ffff88040e001800
Mar 13 08:57:00 nuc-5i5ryk kernel: [ 4.110258] ffff88040c3173c0
ffff8803e56621e0 ffff880029874c00 0000000000000000
Mar 13 08:57:00 nuc-5i5ryk kernel: [ 4.110260] Call Trace:
Mar 13 08:57:00 nuc-5i5ryk kernel: [ 4.110264] [<ffffffff817892b4>]
dump_stack+0x45/0x57
Mar 13 08:57:00 nuc-5i5ryk kernel: [ 4.110267] [<ffffffff8107254a>]
warn_slowpath_common+0x8a/0xc0
Mar 13 08:57:00 nuc-5i5ryk kernel: [ 4.110270] [<ffffffff8107263a>]
warn_slowpath_null+0x1a/0x20
Mar 13 08:57:00 nuc-5i5ryk kernel: [ 4.110277] [<ffffffffa00d5fbe>]
drm_framebuffer_reference+0x6e/0x80 [drm]
Mar 13 08:57:00 nuc-5i5ryk kernel: [ 4.110293] [<ffffffffa01f7d23>]
intel_plane_duplicate_state+0x43/0xa0 [i915]
Mar 13 08:57:00 nuc-5i5ryk kernel: [ 4.110303] [<ffffffffa00e7ad9>]
drm_atomic_get_plane_state+0x79/0xf0 [drm]
Mar 13 08:57:00 nuc-5i5ryk kernel: [ 4.110308] [<ffffffffa0146df8>]
drm_atomic_helper_plane_set_property+0x68/0xd0 [drm_kms_helper]
Mar 13 08:57:00 nuc-5i5ryk kernel: [ 4.110315] [<ffffffffa00d657d>]
drm_mode_plane_set_obj_prop+0x2d/0x90 [drm]
Mar 13 08:57:00 nuc-5i5ryk kernel: [ 4.110319] [<ffffffffa0148a7b>]
restore_fbdev_mode+0x6b/0xf0 [drm_kms_helper]
Mar 13 08:57:00 nuc-5i5ryk kernel: [ 4.110323] [<ffffffffa014a9f9>]
drm_fb_helper_restore_fbdev_mode_unlocked+0x29/0x80 [drm_kms_helper]
Mar 13 08:57:00 nuc-5i5ryk kernel: [ 4.110336] [<ffffffffa01f52fe>]
intel_fbdev_restore_mode+0x1e/0x50 [i915]
Mar 13 08:57:00 nuc-5i5ryk kernel: [ 4.110349] [<ffffffffa021b2fe>]
i915_driver_lastclose+0xe/0x20 [i915]
Mar 13 08:57:00 nuc-5i5ryk kernel: [ 4.110355] [<ffffffffa00cacfe>]
drm_lastclose+0x2e/0x130 [drm]
Mar 13 08:57:00 nuc-5i5ryk kernel: [ 4.110359] [<ffffffffa00cb138>]
drm_release+0x338/0x540 [drm]
Mar 13 08:57:00 nuc-5i5ryk kernel: [ 4.110363] [<ffffffff811ea977>]
__fput+0xe7/0x220
Mar 13 08:57:00 nuc-5i5ryk kernel: [ 4.110365] [<ffffffff811eaafe>]
____fput+0xe/0x10
Mar 13 08:57:00 nuc-5i5ryk kernel: [ 4.110367] [<ffffffff8108f867>]
task_work_run+0xb7/0xf0
Mar 13 08:57:00 nuc-5i5ryk kernel: [ 4.110369] [<ffffffff81014fed>]
do_notify_resume+0x8d/0xa0
Mar 13 08:57:00 nuc-5i5ryk kernel: [ 4.110372] [<ffffffff8179106b>]
int_signal+0x12/0x17
Mar 13 08:57:00 nuc-5i5ryk kernel: [ 4.110373] ---[ end trace
ecab65a3e348c9c8 ]---</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>