<html>
<head>
<base href="https://bugs.freedesktop.org/" />
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Priority</th>
<td>high
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [PNV/ILK Regression]boot system has call trace"
href="https://bugs.freedesktop.org/show_bug.cgi?id=76424">76424</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>[PNV/ILK Regression]boot system has call trace
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>major
</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=96132" name="attach_96132" title="dmesg">attachment 96132</a> <a href="attachment.cgi?id=96132&action=edit" title="dmesg">[details]</a></span>
dmesg
system Environment:
--------------------------
Platform: Pineview/Ironlake
Kernel: drm-intel-nightly/2c0d38d786b40c51f9270c525d904a88eec70960
Bug detailed description:
-----------------------------
Clean boot system, report call trace in dmesg.
It happens on Pineview/Ironlake with -nightly and -queued kernel.
The latest known good commit:b2040f6fed736ccd2319768bc59833abe74148b8
The latest known bad commit: 4726e0b045b80c514377da35ca01467ef6a4de53
Call trace:
[ 1.528437] ------------[ cut here ]------------
[ 1.528521] WARNING: CPU: 1 PID: 1256 at
drivers/gpu/drm/drm_crtc_helper.c:131
drm_helper_probe_single_connector_modes+0x3f/0x2d2 [drm_kms_helper]()
[ 1.528671] Modules linked in: i915(+) video button drm_kms_helper drm
[ 1.528853] CPU: 1 PID: 1256 Comm: udevd Not tainted
3.14.0-rc7_drm-intel-nightly_2c0d38_20140321+ #878
[ 1.528995] Hardware name: Gigabyte Technology Co., Ltd.
H55M-UD2H/H55M-UD2H, BIOS F4 12/02/2009
[ 1.529136] 0000000000000000 0000000000000009 ffffffff81716de3
0000000000000000
[ 1.529352] ffffffff81035052 0000000000000086 ffffffffa00464ba
ffff880002d3a970
[ 1.529554] ffff8800d34e6c00 0000000000000000 ffff8800d36fd800
0000000000002000
[ 1.529756] Call Trace:
[ 1.529834] [<ffffffff81716de3>] ? dump_stack+0x41/0x51
[ 1.529916] [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
[ 1.529999] [<ffffffffa00464ba>] ?
drm_helper_probe_single_connector_modes+0x3f/0x2d2 [drm_kms_helper]
[ 1.530142] [<ffffffffa00464ba>] ?
drm_helper_probe_single_connector_modes+0x3f/0x2d2 [drm_kms_helper]
[ 1.530293] [<ffffffffa0047318>] ?
drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper]
[ 1.530440] [<ffffffffa004827c>] ? drm_fb_helper_initial_config+0x1ab/0x450
[drm_kms_helper]
[ 1.530582] [<ffffffff810d9b6d>] ? kmem_cache_alloc+0x23/0xac
[ 1.530687] [<ffffffffa008d478>] ? gen5_write32+0x21/0x47 [i915]
[ 1.530782] [<ffffffffa0082ca2>] ? ibx_display_interrupt_update+0x91/0xb4
[i915]
[ 1.530931] [<ffffffffa008d478>] ? gen5_write32+0x21/0x47 [i915]
[ 1.531030] [<ffffffffa00c4a9d>] ? i915_driver_load+0xbad/0xe1e [i915]
[ 1.531118] [<ffffffffa0007613>] ? drm_dev_register+0x74/0xe7 [drm]
[ 1.531203] [<ffffffffa000989d>] ? drm_get_pci_dev+0xff/0x1bc [drm]
[ 1.531299] [<ffffffff81384e55>] ? __pm_runtime_resume+0x5b/0x6a
[ 1.531387] [<ffffffff812f8bc9>] ? local_pci_probe+0x35/0x7a
[ 1.531470] [<ffffffff8137c904>] ? driver_probe_device+0x1b3/0x1b3
[ 1.531554] [<ffffffff812f8e6c>] ? pci_device_probe+0xcc/0xf0
[ 1.531636] [<ffffffff8137c7e3>] ? driver_probe_device+0x92/0x1b3
[ 1.531719] [<ffffffff8137c957>] ? __driver_attach+0x53/0x73
[ 1.531801] [<ffffffff8137b0be>] ? bus_for_each_dev+0x4e/0x7f
[ 1.531882] [<ffffffff8137c065>] ? bus_add_driver+0xe2/0x1c7
[ 1.531964] [<ffffffff8137ce9a>] ? driver_register+0x82/0xb5
[ 1.532045] [<ffffffffa00fa000>] ? 0xffffffffa00f9fff
[ 1.532126] [<ffffffff81000296>] ? do_one_initcall+0x78/0xfa
[ 1.532210] [<ffffffff8104e4af>] ? __blocking_notifier_call_chain+0x4f/0x5d
[ 1.532308] [<ffffffff8107fe72>] ? load_module+0x1745/0x1a13
[ 1.532394] [<ffffffff8107da98>] ? mod_kobject_put+0x42/0x42
[ 1.532476] [<ffffffff810801d0>] ? SyS_init_module+0x90/0x9b
[ 1.532560] [<ffffffff817214a2>] ? system_call_fastpath+0x16/0x1b
[ 1.532643] ---[ end trace bdb730fdb96ba406 ]---</pre>
</div>
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