[Bug 67391] 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]()

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=67391

          Priority: medium
            Bug ID: 67391
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [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]()
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: guang.a.yang at intel.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 83084
  --> https://bugs.freedesktop.org/attachment.cgi?id=83084&action=edit
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 ]------------

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