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<base href="https://bugs.freedesktop.org/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BDW Regression]ARNING: CPU: 0 PID: 1215 at drivers/gpu/drm/drm_irq.c:1159 drm_wait_one_vblank+0x3b/0x16d [drm] while clean boot system"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90398">90398</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[BDW Regression]ARNING: CPU: 0 PID: 1215 at drivers/gpu/drm/drm_irq.c:1159 drm_wait_one_vblank+0x3b/0x16d [drm] while clean boot system
</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>high
</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=115685" name="attach_115685" title="dmesg">attachment 115685</a> <a href="attachment.cgi?id=115685&action=edit" title="dmesg">[details]</a></span>
dmesg
==System Environment==
--------------------------
Regression: yes
good commit:75d04a3773ecee617847de963ae4195d6aa74c28
bad commit: c457879f0d8f664050e46092afde46fec58c9e67
Non-working platforms: BDW
==kernel==
--------------------------
drm-intel-nightly/a1e469d124cad96cd0d0e149c84f7ebd43ca1893
commit a1e469d124cad96cd0d0e149c84f7ebd43ca1893
Author: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
Date: Fri May 8 17:48:23 2015 +0200
drm-intel-nightly: 2015y-05m-08d-15h-47m-50s UTC integration manifest
==Bug detailed description==
-----------------------------
Clean boot system, dmesg reports call trace.
[ 2.683547] WARNING: CPU: 0 PID: 1215 at drivers/gpu/drm/drm_irq.c:1159
drm_wait_one_vblank+0x3b/0x16d [drm]()
[ 2.683548] vblank not available on crtc 0, ret=-22
[ 2.683550] Modules linked in: i915 button video drm_kms_helper drm
[ 2.683552] CPU: 0 PID: 1215 Comm: kworker/u16:3 Not tainted
4.1.0-rc2_drm-intel-nightly_a1e469_20150509+ #398
[ 2.683556] Workqueue: events_unbound async_run_entry_fn
[ 2.683558] 0000000000000000 0000000000000009 ffffffff817a66cc
ffff88014937f8b8
[ 2.683559] ffffffff8103ebde 0000000000000246 ffffffffa0005a47
0000000000000000
[ 2.683561] ffff880002c83000 0000000000000000 ffff880002cb1800
0000000000000009
[ 2.683561] Call Trace:
[ 2.683565] [<ffffffff817a66cc>] ? dump_stack+0x40/0x50
[ 2.683566] [<ffffffff8103ebde>] ? warn_slowpath_common+0x98/0xb0
[ 2.683572] [<ffffffffa0005a47>] ? drm_wait_one_vblank+0x3b/0x16d [drm]
[ 2.683573] [<ffffffff8103ec3b>] ? warn_slowpath_fmt+0x45/0x4a
[ 2.683577] [<ffffffffa0005a47>] ? drm_wait_one_vblank+0x3b/0x16d [drm]
[ 2.683580] [<ffffffff813fc894>] ? __pm_runtime_resume+0x5b/0x6a
[ 2.683617] [<ffffffffa00d37a3>] ? intel_finish_crtc_commit+0x47/0x10b
[i915]
[ 2.683620] [<ffffffffa0056d24>] ?
drm_atomic_helper_commit_planes+0x170/0x1a9 [drm_kms_helper]
[ 2.683651] [<ffffffffa00d48df>] ? __intel_set_mode+0x8cb/0x959 [i915]
[ 2.683680] [<ffffffffa00d9da6>] ? intel_crtc_set_config+0x3e6/0x531 [i915]
[ 2.683685] [<ffffffffa0018203>] ? drm_modeset_lock+0x4e/0xa3 [drm]
[ 2.683692] [<ffffffffa000c2be>] ? drm_mode_set_config_internal+0x4e/0xd2
[drm]
[ 2.683694] [<ffffffffa0058fc5>] ? restore_fbdev_mode+0xac/0xc3
[drm_kms_helper]
[ 2.683697] [<ffffffffa005a7c6>] ?
drm_fb_helper_restore_fbdev_mode_unlocked+0x1e/0x54 [drm_kms_helper]
[ 2.683699] [<ffffffffa005a82a>] ? drm_fb_helper_set_par+0x2e/0x32
[drm_kms_helper]
[ 2.683731] [<ffffffffa00e65e7>] ? intel_fbdev_set_par+0x11/0x55 [i915]
[ 2.683734] [<ffffffff8137e8be>] ? fbcon_init+0x2fd/0x406
[ 2.683736] [<ffffffff813d432f>] ? visual_init+0xaf/0x102
[ 2.683737] [<ffffffff813d5881>] ? do_bind_con_driver+0x19e/0x2c2
[ 2.683739] [<ffffffff813d5c59>] ? do_take_over_console+0x12c/0x15c
[ 2.683740] [<ffffffff8137dfad>] ? do_fbcon_takeover+0x53/0x97
[ 2.683743] [<ffffffff810549dc>] ? notifier_call_chain+0x35/0x59
[ 2.683746] [<ffffffff81054c23>] ? __blocking_notifier_call_chain+0x43/0x5b
[ 2.683748] [<ffffffff8138603b>] ? lock_fb_info+0x12/0x2f
[ 2.683750] [<ffffffff81387856>] ? register_framebuffer+0x26c/0x2a2
[ 2.683752] [<ffffffffa005aadb>] ? drm_fb_helper_initial_config+0x2ad/0x34a
[drm_kms_helper]
[ 2.683754] [<ffffffff81055b8f>] ? async_run_entry_fn+0x2d/0xbf
[ 2.683756] [<ffffffff8104f985>] ? process_one_work+0x1b2/0x31d
[ 2.683757] [<ffffffff8105026f>] ? worker_thread+0x265/0x351
[ 2.683758] [<ffffffff8105000a>] ? cancel_delayed_work_sync+0xa/0xa
[ 2.683760] [<ffffffff81053ee1>] ? kthread+0xce/0xd6
[ 2.683762] [<ffffffff81053e13>] ? kthread_create_on_node+0x162/0x162
[ 2.683763] [<ffffffff817ac5d2>] ? ret_from_fork+0x42/0x70
[ 2.683765] [<ffffffff81053e13>] ? kthread_create_on_node+0x162/0x162
[ 2.683766] ---[ end trace 34f9258a083cee04 ]---
==Reproduce steps==
----------------------------
1. Clean boot system</pre>
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