<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 - New warning in i915 on 4.8-rc1"
href="https://bugs.freedesktop.org/show_bug.cgi?id=97293">97293</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>New warning in i915 on 4.8-rc1
</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>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>mike@fireburn.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=125698" name="attach_125698" title="dmesg">attachment 125698</a> <a href="attachment.cgi?id=125698&action=edit" title="dmesg">[details]</a></span>
dmesg
[39910.313263] ------------[ cut here ]------------
[39910.313270] WARNING: CPU: 6 PID: 464 at
drivers/gpu/drm/i915/intel_display.c:14110 skl_max_scale.part.120+0x6c/0x80
[39910.313271] WARN_ON_ONCE(!crtc_clock || cdclk < crtc_clock)
[39910.313272] Modules linked in:
[39910.313274] CPU: 6 PID: 464 Comm: X Tainted: G W
4.8.0-rc1-agd5f+ #20
[39910.313275] Hardware name: Alienware Alienware 15 R2/Alienware 15 R2, BIOS
1.2.8 01/29/2016
[39910.313278] 0000000000000000 ffffffff8134fc4c ffff8804a20339f8
0000000000000000
[39910.313280] ffffffff8108e809 ffff8804ad7ec000 ffff8804a2033a48
ffff8804c3726000
[39910.313282] 0000000000000000 ffff8804ad7ec000 ffff8804b2066c00
ffffffff8108e87a
[39910.313282] Call Trace:
[39910.313287] [<ffffffff8134fc4c>] ? dump_stack+0x46/0x5a
[39910.313290] [<ffffffff8108e809>] ? __warn+0xb9/0xe0
[39910.313291] [<ffffffff8108e87a>] ? warn_slowpath_fmt+0x4a/0x50
[39910.313295] [<ffffffff81450158>] ?
drm_atomic_helper_normalize_zpos+0x248/0x2e0
[39910.313297] [<ffffffff8158e35c>] ? skl_max_scale.part.120+0x6c/0x80
[39910.313299] [<ffffffff8158e42b>] ? intel_check_primary_plane+0xbb/0xd0
[39910.313301] [<ffffffff81450158>] ?
drm_atomic_helper_normalize_zpos+0x248/0x2e0
[39910.313304] [<ffffffff81580030>] ? intel_plane_atomic_check+0x120/0x1c0
[39910.313307] [<ffffffff8144d368>] ?
drm_atomic_helper_check_planes+0x78/0x1e0
[39910.313310] [<ffffffff8159994e>] ? intel_atomic_check+0x14e/0x770
[39910.313313] [<ffffffff811a0cf5>] ? __kmalloc_track_caller+0x25/0x180
[39910.313314] [<ffffffff81470ffc>] ? drm_atomic_check_only+0x17c/0x600
[39910.313317] [<ffffffff8157f9fe>] ? intel_crtc_duplicate_state+0x2e/0x70
[39910.313318] [<ffffffff8147148d>] ? drm_atomic_commit+0xd/0x50
[39910.313321] [<ffffffff8144f3c1>] ?
drm_atomic_helper_disable_plane+0xa1/0xe0
[39910.313324] [<ffffffff814611a7>] ? __setplane_internal+0x177/0x280
[39910.313327] [<ffffffff814613c2>] ? drm_mode_cursor_universal+0x112/0x1f0
[39910.313330] [<ffffffff81461513>] ? drm_mode_cursor_common+0x73/0x170
[39910.313331] [<ffffffff8146569f>] ? drm_mode_cursor_ioctl+0x3f/0x50
[39910.313333] [<ffffffff81458a12>] ? drm_ioctl+0x272/0x400
[39910.313334] [<ffffffff81465660>] ? drm_mode_setcrtc+0x530/0x530
[39910.313337] [<ffffffff81019137>] ? do_signal+0x177/0x5b0
[39910.313340] [<ffffffff81024419>] ? __fpu__restore_sig+0x79/0x4c0
[39910.313343] [<ffffffff811cb46b>] ? do_vfs_ioctl+0x8b/0x5c0
[39910.313345] [<ffffffff81099e11>] ? recalc_sigpending+0x11/0x40
[39910.313347] [<ffffffff811d54ab>] ? __fget+0x6b/0xb0
[39910.313349] [<ffffffff811cb9d6>] ? SyS_ioctl+0x36/0x70
[39910.313351] [<ffffffff81001c39>] ? do_syscall_64+0x59/0x140
[39910.313353] [<ffffffff810869bc>] ? entry_SYSCALL64_slow_path+0x25/0x25
[39910.313354] ---[ end trace 3d4f93615b43a667 ]---</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are on the CC list for the bug.</li>
<li>You are the QA Contact for the bug.</li>
<li>You are the assignee for the bug.</li>
</ul>
</body>
</html>