<html>
<head>
<base href="https://bugs.freedesktop.org/" />
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [BDW]System boot with call trace"
href="https://bugs.freedesktop.org/show_bug.cgi?id=71906">71906</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>[BDW]System boot with call trace
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</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=89619" name="attach_89619" title="dmesg">attachment 89619</a> <a href="attachment.cgi?id=89619&action=edit" title="dmesg">[details]</a></span>
dmesg
System Environment:
--------------------------
Platform: BDW
kernel: (drm-intel-next-queued) f671d117bc0338b67b0a7485882d332fe6c4b570
Bug detailed description:
-------------------------
Clean boot system, call trace appears in dmesg.
Call trace:
[ 7.198745] ------------[ cut here ]------------
[ 7.198790] WARNING: CPU: 0 PID: 1240 at
drivers/gpu/drm/i915/intel_display.c:9438 check_crtc_state+0x7e8/0x839 [i915]()
[ 7.198791] pipe state doesn't match!
[ 7.198800] Modules linked in: i915(+) drm_kms_helper drm video button
[ 7.198804] CPU: 0 PID: 1240 Comm: systemd-udevd Not tainted
3.12.0_drm-intel-next-queued_f671d1_20131121+ #5
[ 7.198806] Hardware name: Intel Corporation Broadwell Client
platform/SawTooth Peak, BIOS BDW-E1R1.86C.0050.R02.1311180920 11/18/2013
[ 7.198813] 0000000000000009 ffff880147061028 ffffffff817f4ee7
0000000000000006
[ 7.198818] ffff880147061078 ffff880147061068 ffffffff81039ce8
ffff880147061070
[ 7.198822] ffffffffa009c326 ffff880147276000 ffff88014996d000
ffff88014996d660
[ 7.198824] Call Trace:
[ 7.198831] [<ffffffff817f4ee7>] dump_stack+0x46/0x58
[ 7.198839] [<ffffffff81039ce8>] warn_slowpath_common+0x81/0x9b
[ 7.198872] [<ffffffffa009c326>] ? check_crtc_state+0x7e8/0x839 [i915]
[ 7.198876] [<ffffffff81039da5>] warn_slowpath_fmt+0x46/0x48
[ 7.198901] [<ffffffffa009c326>] check_crtc_state+0x7e8/0x839 [i915]
[ 7.198934] [<ffffffffa00a763d>] intel_modeset_check_state+0x35c/0x61a
[i915]
[ 7.198961] [<ffffffffa00a7920>] intel_set_mode+0x25/0x2f [i915]
[ 7.198986] [<ffffffffa00a7f4c>] intel_crtc_set_config+0x622/0x824 [i915]
[ 7.199005] [<ffffffffa001bb65>] drm_mode_set_config_internal+0x56/0xce
[drm]
[ 7.199011] [<ffffffffa0065ae3>] drm_fb_helper_set_par+0x5e/0xa7
[drm_kms_helper]
[ 7.199017] [<ffffffff813a47c5>] fbcon_init+0x320/0x41d
[ 7.199023] [<ffffffff813f83a2>] visual_init+0xbc/0x112
[ 7.199028] [<ffffffff813f9dad>] do_bind_con_driver+0x1b4/0x2db
[ 7.199034] [<ffffffff813fa015>] do_take_over_console+0x141/0x171
[ 7.199038] [<ffffffff813a3e26>] do_fbcon_takeover+0x5b/0x9d
[ 7.199042] [<ffffffff813a7174>] fbcon_event_notify+0x2c7/0x5f0
[ 7.199049] [<ffffffff817ff85c>] notifier_call_chain+0x37/0x61
[ 7.199055] [<ffffffff8105c39a>] __blocking_notifier_call_chain+0x46/0x5f
[ 7.199060] [<ffffffff8105c3c7>] blocking_notifier_call_chain+0x14/0x16
[ 7.199065] [<ffffffff813996f7>] fb_notifier_call_chain+0x1b/0x1d
[ 7.199070] [<ffffffff8139b495>] register_framebuffer+0x237/0x2a0
[ 7.199076] [<ffffffffa00659d3>] drm_fb_helper_initial_config+0x393/0x445
[drm_kms_helper]
[ 7.199081] [<ffffffff81091583>] ? mark_held_locks+0xce/0xfa
[ 7.199088] [<ffffffff817fbf50>] ? _raw_spin_unlock_irqrestore+0x3f/0x46
[ 7.199092] [<ffffffff810916f1>] ? trace_hardirqs_on_caller+0x142/0x19e
[ 7.199135] [<ffffffffa00db728>] intel_fbdev_initial_config+0x21/0x23
[i915]
[ 7.199162] [<ffffffffa0073813>] i915_driver_load+0xc17/0xe70 [i915]
[ 7.199170] [<ffffffff814162b1>] ? device_create+0x31/0x33
[ 7.199185] [<ffffffffa00163e6>] drm_dev_register+0x103/0x1b7 [drm]
[ 7.199200] [<ffffffffa0017ee7>] drm_get_pci_dev+0xa5/0x12f [drm]
[ 7.199205] [<ffffffff8141885f>] ? driver_probe_device+0x1a3/0x1a3
[ 7.199230] [<ffffffffa00704a5>] i915_pci_probe+0x45/0x4e [i915]
[ 7.199237] [<ffffffff81389d62>] local_pci_probe+0x20/0x32
[ 7.199242] [<ffffffff8138a800>] pci_device_probe+0xbf/0xe5
[ 7.199247] [<ffffffff81418752>] driver_probe_device+0x96/0x1a3
[ 7.199251] [<ffffffff814188c1>] __driver_attach+0x62/0x85
[ 7.199255] [<ffffffff81416c20>] bus_for_each_dev+0x5f/0x91
[ 7.199258] [<ffffffff814182d4>] driver_attach+0x1e/0x20
[ 7.199262] [<ffffffff81417e7d>] bus_add_driver+0xf9/0x245
[ 7.199266] [<ffffffff81418eb0>] driver_register+0x8c/0xc3
[ 7.199271] [<ffffffff8138a8f4>] __pci_register_driver+0x61/0x65
[ 7.199274] [<ffffffffa011e000>] ? 0xffffffffa011dfff
[ 7.199287] [<ffffffffa0017ffc>] drm_pci_init+0x8b/0xf1 [drm]
[ 7.199290] [<ffffffffa011e000>] ? 0xffffffffa011dfff
[ 7.199318] [<ffffffffa011e06a>] i915_init+0x6a/0x6c [i915]
[ 7.199324] [<ffffffff81000271>] do_one_initcall+0x84/0x10f
[ 7.199330] [<ffffffff8105c3a5>] ? __blocking_notifier_call_chain+0x51/0x5f
[ 7.199337] [<ffffffff8109b27d>] load_module+0x1adc/0x1de3
[ 7.199340] [<ffffffff81098890>] ? __unlink_module+0x25/0x25
[ 7.199347] [<ffffffff81126cd4>] ? vfs_read+0x108/0x153
[ 7.199353] [<ffffffff8109b695>] SyS_finit_module+0x5b/0x71
[ 7.199359] [<ffffffff81803292>] system_call_fastpath+0x16/0x1b
[ 7.199361] ---[ end trace fe31a29218d6d448 ]---</pre>
</div>
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