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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [ PNV/SNB/IVB/BYT bisected] Igt/kms_setmode subcases clone-exclusive-crtc and clone-single-crtc causes time out and call trace"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89824">89824</a>
</td>
</tr>
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<th>Summary</th>
<td>[ PNV/SNB/IVB/BYT bisected] Igt/kms_setmode subcases clone-exclusive-crtc and clone-single-crtc causes time out and call trace
</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>yex.tian@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=114723" name="attach_114723" title="dmesg with drm.debug info">attachment 114723</a> <a href="attachment.cgi?id=114723&action=edit" title="dmesg with drm.debug info">[details]</a></span>
dmesg with drm.debug info
System Environment:
-----------------------------------------------------
Regression: Yes,
Non-working platforms: PNV SNB IVB BYT
==Kernel==
--------------------------------------------------
commit 07e5c9b5061ad65c85285c0bb9ecd5626ed301d0
Author: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
Date: Fri Mar 27 15:29:51 2015 +0100
drm-intel-nightly: 2015y-03m-27d-14h-29m-07s UTC integration manifest
==Bug detailed description==
Igt/kms_setmode subcases clone-exclusive-crtc and clone-single-crtc causes time
out and call trace on SNB mobile, it does not exists on SNB desktop,
By bisected, shows the first bad commit is 0b9018.
commit 0b9018793939970aad49e4e0ed21f0fd0db74e4a
Author: Ander Conselvan de Oliveira <<a href="mailto:ander.conselvan.de.oliveira@intel.com">ander.conselvan.de.oliveira@intel.com</a>>
AuthorDate: Fri Mar 20 16:18:08 2015 +0200
Commit: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
CommitDate: Thu Mar 26 17:49:52 2015 +0100
drm/i915: Don't use encoder->new_crtc in intel_modeset_pipe_config()
Move towards atomic by using the legacy modeset's drm_atomic_state
instead.
v2: Move call to drm_atomic_add_affected_connectors() to
intel_modeset_compute_config(). (Daniel)
Output:
[ 127.901701] Call Trace:
[ 127.901722] [<ffffffffa00d26e8>] ? intel_modeset_compute_config+0x5b8/0xd51
[
i915]
[ 127.901760] [<ffffffffa00d4cb9>] ? intel_set_mode+0x39/0x91 [i915]
[ 127.901792] [<ffffffffa00d5df8>] ? intel_crtc_set_config+0xb8a/0xc55 [i915]
[ 127.901821] [<ffffffff81791d97>] ? printk+0x48/0x4d
[ 127.901848] [<ffffffffa000c1e7>] ? drm_mode_set_config_internal+0x4e/0xd2
[dr
m]
[ 127.901882] [<ffffffffa000febf>] ? drm_mode_setcrtc+0x3fe/0x4f4 [drm]
[ 127.901913] [<ffffffffa00047d4>] ? drm_ioctl+0x344/0x3b3 [drm]
[ 127.901941] [<ffffffffa000fac1>] ? drm_mode_setplane+0x1dc/0x1dc [drm]
[ 127.901969] [<ffffffff8111da12>] ? do_vfs_ioctl+0x360/0x424
[ 127.901992] [<ffffffff810a2634>] ? __audit_syscall_entry+0xb3/0xd3
[ 127.902018] [<ffffffff8100d41f>] ? syscall_trace_enter_phase1+0x11a/0x123
[ 127.902045] [<ffffffff8111db1f>] ? SyS_ioctl+0x49/0x7a
[ 127.902066] [<ffffffff8179ae0e>] ? int_check_syscall_exit_work+0x34/0x3d
[ 127.902092] [<ffffffff8179abf2>] ? system_call_fastpath+0x12/0x17
[ 127.902116] Code: c7 44 24 08 18 00 00 00 e9 68 fc ff ff 48 63 44 24 20 49
8b
56 38 4c 8b 2c c2 4d 85 ed 0f 84 c6 00 00 00 49 8b 56 40 48 8b 04 c2
<48> 39 58 0
8 0f 85 b4 00 00 00 f6 05 58 de f5 ff 04 41 8b 87 34
[ 127.902280] RIP [<ffffffffa00d28b3>]
intel_modeset_compute_config+0x783/0xd51
[i915]
[ 127.902320] RSP <ffff8800b095fb78>
[ 127.902334] CR2: 0000000000000008
[ 127.908820] ---[ end trace 77b9184de44fe47f ]---
Reproduce steps:
----------------------------
1, ./kms_setmode --run-subtest invalid-clone-single-crtc</pre>
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