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<base href="https://bugs.freedesktop.org/" />
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<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 --- - [IVB]igt/prime_nv_api cause WARNING: CPU: 6 PID: 4095 at drivers/gpu/drm/i915/i915_gem.c:3977 i915_gem_free_object+0xf3/0x19d [i915]()"
href="https://bugs.freedesktop.org/show_bug.cgi?id=67391">67391</a>
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[IVB]igt/prime_nv_api cause WARNING: CPU: 6 PID: 4095 at drivers/gpu/drm/i915/i915_gem.c:3977 i915_gem_free_object+0xf3/0x19d [i915]()
</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>All
</td>
</tr>
<tr>
<th>Reporter</th>
<td>guang.a.yang@intel.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</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=83084" name="attach_83084" title="dmesgofrunningprime_nv_api">attachment 83084</a> <a href="attachment.cgi?id=83084&action=edit" title="dmesgofrunningprime_nv_api">[details]</a></span>
dmesgofrunningprime_nv_api
System Environment:
--------------------------
Platform: Ivybridge
Kernel: (drm-intel-nightly)353890ae582631254dd0920b707d3a320908242e
Merge: 2f5bb91 bf903e4
Bug detailed description:
-----------------------------
Running prime_nv_api shows:
flink names don't match
and Call Trace at dmesg:
[ 107.183355] ------------[ cut here ]------------
[ 107.183404] WARNING: CPU: 6 PID: 4095 at
drivers/gpu/drm/i915/i915_gem.c:3977 i915_gem_free_object+0xf3/0x19d [i915]()
[ 107.183463] Modules linked in: ipv6 dm_mod snd_hda_codec_hdmi firewire_ohci
firewire_core crc_itu_t iTCO_wdt iTCO_vendor_support snd_hda_codec_realtek
pcspkr i2c_i801 lpc_ich mfd_core shpchp snd_hda_intel snd_hda_codec snd_hwdep
snd_pcm snd_page_alloc snd_timer i915 snd soundcore acpi_cpufreq nouveau
mxm_wmi wmi ttm video button drm_kms_helper drm mperf freq_table
[ 107.183747] CPU: 6 PID: 4095 Comm: prime_nv_api Not tainted
3.11.0-rc2_nightlytop_353890_debug_20130727_+ #6261
[ 107.183803] Hardware name: Intel Corporation 2012 Client Platform/LosLunas 2
CRB, BIOS ACRVMBY1.86C.0067.B00.1110301023 10/30/2011
[ 107.183868] 0000000000000009 ffff8801583a1db8 ffffffff817d068c
0000000000000006
[ 107.183922] 0000000000000000 ffff8801583a1df8 ffffffff81039c22
ffffffffa023b31c
[ 107.183975] ffffffffa01f6ba7 ffff880153c901c0 ffff880152058000
ffff8801596c59d8
[ 107.184028] Call Trace:
[ 107.184048] [<ffffffff817d068c>] dump_stack+0x46/0x58
[ 107.184081] [<ffffffff81039c22>] warn_slowpath_common+0x81/0x9b
[ 107.184133] [<ffffffffa023b31c>] ? i915_gem_dmabuf_release+0x3e/0x5e [i915]
[ 107.184195] [<ffffffffa01f6ba7>] ? i915_gem_free_object+0xf3/0x19d [i915]
[ 107.184237] [<ffffffff81039c56>] warn_slowpath_null+0x1a/0x1c
[ 107.184279] [<ffffffffa01f6ba7>] i915_gem_free_object+0xf3/0x19d [i915]
[ 107.184326] [<ffffffffa000aeaa>] drm_gem_object_free+0x2b/0x2d [drm]
[ 107.184377] [<ffffffffa023b32f>] i915_gem_dmabuf_release+0x51/0x5e [i915]
[ 107.184418] [<ffffffff8140d69e>] dma_buf_release+0x31/0x6d
[ 107.184452] [<ffffffff8112249c>] __fput+0xf7/0x1ed
[ 107.184483] [<ffffffff811225ca>] ____fput+0xe/0x10
[ 107.184513] [<ffffffff810577fa>] task_work_run+0x7e/0x98
[ 107.184547] [<ffffffff810025c2>] do_notify_resume+0x5a/0x6b
[ 107.184582] [<ffffffff8135bc1e>] ? trace_hardirqs_on_thunk+0x3a/0x3f
[ 107.184621] [<ffffffff817def8a>] int_signal+0x12/0x17
[ 107.184652] ---[ end trace 302b8f14c10c9a4c ]---
[ 107.193258] ------------[ cut here ]------------</pre>
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