<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 - [BDW]igt/tools_test causes WARNING: CPU: 1 PID: 10647 at fs/open.c:705 do_dentry_open+0x131/0x2a6()"
href="https://bugs.freedesktop.org/show_bug.cgi?id=86090">86090</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[BDW]igt/tools_test causes WARNING: CPU: 1 PID: 10647 at fs/open.c:705 do_dentry_open+0x131/0x2a6()
</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>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=109186" name="attach_109186" title="run log">attachment 109186</a> <a href="attachment.cgi?id=109186&action=edit" title="run log">[details]</a></span>
run log
==System Environment==
--------------------------
Regression: not sure
Non-working platforms: BDW
==kernel==
--------------------------
drm-intel-nightly/b921a5e434f541c6d96378838df47b4259cc3489
==Bug detailed description==
Run automation testing, It causes WARNING: CPU: 1 PID: 10647 at fs/open.c:705
do_dentry_open+0x131/0x2a6(). I can't reproduce it manually.
run log:
Dmesg:
<6>[ 2093.283470] drm_kms_helper: drm: unregistered panic notifier
<4>[ 2093.304605] Modules linked in: parport_pc parport dm_mod ac acpi_cpufreq
i915(-) button video drm_kms_helper drm cfbfillrect cfbimgblt cfbcopyarea
<4>[ 2093.304616] CPU: 1 PID: 10647 Comm: intel_reg_read Tainted: G W
3.18.0-rc3_drm-intel-nightly_b921a5_20141109+ #1342
<4>[ 2093.307634] Modules linked in: parport_pc parport dm_mod ac acpi_cpufreq
i915(-) button video drm_kms_helper drm cfbfillrect cfbimgblt cfbcopyarea
<4>[ 2093.307645] CPU: 1 PID: 10648 Comm: intel_reg_dumpe Tainted: G W
3.18.0-rc3_drm-intel-nightly_b921a5_20141109+ #1342
"dmesg": "[ 2093.304596] ------------[ cut here ]------------\n[
2093.304604] WARNING: CPU: 1 PID: 10647 at fs/open.c:705
do_dentry_open+0x131/0x2a6()\n[ 2093.304605] Modules linked in: parport_pc
parport dm_mod ac acpi_cpufreq i915(-) button video drm_kms_helper drm
cfbfillrect cfbimgblt cfbcopyarea\n[ 2093.304616] CPU: 1 PID: 10647 Comm:
intel_reg_read Tainted: G W
3.18.0-rc3_drm-intel-nightly_b921a5_20141109+ #1342\n[ 2093.304618]
0000000000000000 0000000000000009 ffffffff81789002 0000000000000000\n[
2093.304620] ffffffff810368cc ffff8800a79ad440 ffffffff8110a3da
0000000000000001\n[ 2093.304622] ffff880142cf5200 ffff8800a79ad440
00000000ffffffed 0000000000000000\n[ 2093.304624] Call Trace:\n[ 2093.304630]
[<ffffffff81789002>] ? dump_stack+0x41/0x51\n[ 2093.304633]
[<ffffffff810368cc>] ? warn_slowpath_common+0x78/0x90\n[ 2093.304635]
[<ffffffff8110a3da>] ? do_dentry_open+0x131/0x2a6\n[ 2093.304637]
[<ffffffff8110a3da>] ? do_dentry_open+0x131/0x2a6\n[ 2093.304640]
[<ffffffff8111774d>] ? do_last+0x942/0xb75\n[ 2093.304642]
[<ffffffff81114436>] ? __inode_permission+0x53/0x6e\n[ 2093.304645]
[<ffffffff8111455b>] ? link_path_walk+0x51/0x74a\n[ 2093.304647]
[<ffffffff81117bad>] ? path_openat+0x22d/0x5b9\n[ 2093.304650]
[<ffffffff8111872b>] ? user_path_at_empty+0x54/0x7d\n[ 2093.304652]
[<ffffffff811187da>] ? do_filp_open+0x2d/0x75\n[ 2093.304656]
[<ffffffff81121f75>] ? __alloc_fd+0x58/0xe3\n[ 2093.304658]
[<ffffffff8110b5a0>] ? do_sys_open+0x14b/0x1cf\n[ 2093.304661]
[<ffffffff8178e692>] ? system_call_fastpath+0x12/0x17\n[ 2093.304662] ---[ end
trace ef11e8ec500dbfa2 ]---\n[ 2093.307626] ------------[ cut here
]------------\n[ 2093.307633] WARNING: CPU: 1 PID: 10648 at fs/open.c:705
do_dentry_open+0x131/0x2a6()\n[ 2093.307634] Modules linked in: parport_pc
parport dm_mod ac acpi_cpufreq i915(-) button video drm_kms_helper drm
cfbfillrect cfbimgblt cfbcopyarea\n[ 2093.307645] CPU: 1 PID: 10648 Comm:
intel_reg_dumpe Tainted: G W
3.18.0-rc3_drm-intel-nightly_b921a5_20141109+ #1342\n[ 2093.307647]
0000000000000000 0000000000000009 ffffffff81789002 0000000000000000\n[
2093.307649] ffffffff810368cc ffff8800a79ad440 ffffffff8110a3da
0000000000000001\n[ 2093.307651] ffff880143344900 ffff8800a79ad440
00000000ffffffed 0000000000000000\n[ 2093.307654] Call Trace:\n[ 2093.307659]
[<ffffffff81789002>] ? dump_stack+0x41/0x51\n[ 2093.307663]
[<ffffffff810368cc>] ? warn_slowpath_common+0x78/0x90\n[ 2093.307665]
[<ffffffff8110a3da>] ? do_dentry_open+0x131/0x2a6\n[ 2093.307667]
[<ffffffff8110a3da>] ? do_dentry_open+0x131/0x2a6\n[ 2093.307670]
[<ffffffff8111774d>] ? do_last+0x942/0xb75\n[ 2093.307676]
[<ffffffff81114436>] ? __inode_permission+0x53/0x6e\n[ 2093.307678]
[<ffffffff8111455b>] ? link_path_walk+0x51/0x74a\n[ 2093.307681]
[<ffffffff81117bad>] ? path_openat+0x22d/0x5b9\n[ 2093.307683]
[<ffffffff8111872b>] ? user_path_at_empty+0x54/0x7d\n[ 2093.307686]
[<ffffffff811187da>] ? do_filp_open+0x2d/0x75\n[ 2093.307689]
[<ffffffff81121f75>] ? __alloc_fd+0x58/0xe3\n[ 2093.307691]
[<ffffffff8110b5a0>] ? do_sys_open+0x14b/0x1cf\n[ 2093.307695]
[<ffffffff8178e692>] ? system_call_fastpath+0x12/0x17\n[ 2093.307696] ---[ end
trace ef11e8ec500dbfa3 ]---",</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are the QA Contact for the bug.</li>
<li>You are on the CC list for the bug.</li>
<li>You are the assignee for the bug.</li>
</ul>
</body>
</html>