Attachment 94324 Details for Bug 74007 – dmesg with patch

dmesg with patch

dmesg_bdw_reset_0219.txt (text/plain), 127.39 KB, created by lu hua on 2014-02-19 06:13:18 UTC

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Creator: lu hua

Created: 2014-02-19 06:13:18 UTC

Size: 127.39 KB

patch

obsolete

>[  515.530851]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  515.530869]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  515.530891]  [<ffffffffa00b0f7e>] ? gen6_add_request+0x43/0x147 [i915]
>[  515.530912]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  515.530927]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  515.530941]  [<ffffffffa006d100>] ? i915_gem_release_all_mmaps+0x6b/0x7e [i915]
>[  515.530954]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  515.530963]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  515.530977]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  515.530983]  [<ffffffff811085cc>] ? fsnotify+0x257/0x2a9
>[  515.530987]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  515.530991]  [<ffffffff810dc8e8>] ? __sb_end_write+0x24/0x52
>[  515.530995]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  515.530999]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  515.531002] ---[ end trace 49a6f1aeeb445519 ]---
>[  515.531043] ------------[ cut here ]------------
>[  515.531053] WARNING: CPU: 3 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  515.531055] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  515.531083] CPU: 3 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  515.531085] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  515.531087]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  515.531091]  ffffffff810331ce ffff8801498ce000 ffffffffa005e9f8 ffff8800aa8c57b0
>[  515.531094]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 ffff8800aa8c57b0
>[  515.531098] Call Trace:
>[  515.531124]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  515.531145]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  515.531174]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  515.531200]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  515.531237]  [<ffffffffa00b0f59>] ? gen6_add_request+0x1e/0x147 [i915]
>[  515.531271]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  515.531302]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  515.531338]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  515.531355]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  515.531364]  [<ffffffff810f8003>] ? __inode_wait_for_writeback+0x63/0xa9
>[  515.531383]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  515.531390]  [<ffffffff810d54dc>] ? kmem_cache_free+0xe2/0xe6
>[  515.531398]  [<ffffffff810ec26c>] ? dentry_kill+0x1c0/0x1dc
>[  515.531405]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  515.531411]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  515.531418]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  515.531422] ---[ end trace 49a6f1aeeb44551a ]---
>[  515.531424] ------------[ cut here ]------------
>[  515.531441] WARNING: CPU: 3 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  515.531445] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  515.531492] CPU: 3 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  515.531496] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  515.531498]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  515.531504]  ffffffff810331ce ffff8801498ce000 ffffffffa005e9f8 ffff8800aa8c57b0
>[  515.531510]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 0000000000000000
>[  515.531518] Call Trace:
>[  515.531525]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  515.531533]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  515.531559]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  515.531591]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  515.531627]  [<ffffffffa00b0f7e>] ? gen6_add_request+0x43/0x147 [i915]
>[  515.531649]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  515.531670]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  515.531691]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  515.531706]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  515.531720]  [<ffffffff810f8003>] ? __inode_wait_for_writeback+0x63/0xa9
>[  515.531738]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  515.531751]  [<ffffffff810d54dc>] ? kmem_cache_free+0xe2/0xe6
>[  515.531760]  [<ffffffff810ec26c>] ? dentry_kill+0x1c0/0x1dc
>[  515.531766]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  515.531772]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  515.531778]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  515.531784] ---[ end trace 49a6f1aeeb44551b ]---
>[  515.531814] [drm:i915_ring_stop_set], Stopping rings 0x00000008
>[  523.516297] [drm] stuck on video enhancement ring
>[  523.516442] [drm:i915_error_work_func], resetting chip
>[  523.516656] [drm] Simulated gpu hang, resetting stop_rings
>[  523.516688] [drm:init_status_page], render ring hws offset: 0x00012000
>[  523.518263] [drm:init_pipe_control], render ring pipe control offset: 0x00033000
>[  523.518273] [drm:init_status_page], bsd ring hws offset: 0x00034000
>[  523.518367] [drm:init_status_page], blitter ring hws offset: 0x00055000
>[  523.518453] [drm:init_status_page], video enhancement ring hws offset: 0x00076000
>[  523.518555] [drm:gm45_get_vblank_counter], trying to get vblank count for disabled pipe B
>[  523.518558] [drm:gm45_get_vblank_counter], trying to get vblank count for disabled pipe C
>[  523.518625] [drm:ironlake_update_plane], Writing base 00097000 00000000 0 0 7680
>[  523.519935] [drm:i915_gem_open], 
>[  523.519958] [drm:i915_gem_open], 
>[  523.520001] ------------[ cut here ]------------
>[  523.520024] WARNING: CPU: 1 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  523.520026] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  523.520060] CPU: 1 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  523.520063] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  523.520066]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  523.520070]  ffffffff810331ce ffff88003fa3bb00 ffffffffa005e9f8 ffff8800aa8c57b0
>[  523.520074]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 ffff8800aa8c57b0
>[  523.520078] Call Trace:
>[  523.520088]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  523.520095]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  523.520106]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  523.520117]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  523.520133]  [<ffffffffa00b0f59>] ? gen6_add_request+0x1e/0x147 [i915]
>[  523.520147]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  523.520163]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  523.520176]  [<ffffffffa006d100>] ? i915_gem_release_all_mmaps+0x6b/0x7e [i915]
>[  523.520190]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  523.520200]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  523.520213]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  523.520220]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  523.520225]  [<ffffffff810dc8e8>] ? __sb_end_write+0x24/0x52
>[  523.520261]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  523.520284]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  523.520297] ---[ end trace 49a6f1aeeb44551c ]---
>[  523.520310] ------------[ cut here ]------------
>[  523.520334] WARNING: CPU: 1 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  523.520339] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  523.520368] CPU: 1 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  523.520370] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  523.520372]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  523.520376]  ffffffff810331ce ffff88003fa3bb00 ffffffffa005e9f8 ffff8800aa8c57b0
>[  523.520380]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 0000000000000000
>[  523.520383] Call Trace:
>[  523.520389]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  523.520394]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  523.520404]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  523.520415]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  523.520430]  [<ffffffffa00b0f7e>] ? gen6_add_request+0x43/0x147 [i915]
>[  523.520442]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  523.520456]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  523.520482]  [<ffffffffa006d100>] ? i915_gem_release_all_mmaps+0x6b/0x7e [i915]
>[  523.520513]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  523.520528]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  523.520541]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  523.520545]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  523.520552]  [<ffffffff810dc8e8>] ? __sb_end_write+0x24/0x52
>[  523.520556]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  523.520560]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  523.520563] ---[ end trace 49a6f1aeeb44551d ]---
>[  523.520577] ------------[ cut here ]------------
>[  523.520599] WARNING: CPU: 1 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  523.520609] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  523.520639] CPU: 1 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  523.520648] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  523.520650]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  523.520654]  ffffffff810331ce ffff88003fa3bb00 ffffffffa005e9f8 ffff8800aa8c57b0
>[  523.520662]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 ffff8800aa8c57b0
>[  523.520666] Call Trace:
>[  523.520678]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  523.520684]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  523.520702]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  523.520712]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  523.520727]  [<ffffffffa00b0f59>] ? gen6_add_request+0x1e/0x147 [i915]
>[  523.520739]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  523.520752]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  523.520768]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  523.520777]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  523.520789]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  523.520794]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  523.520798]  [<ffffffff810dc8e8>] ? __sb_end_write+0x24/0x52
>[  523.520802]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  523.520805]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  523.520808] ---[ end trace 49a6f1aeeb44551e ]---
>[  523.520812] ------------[ cut here ]------------
>[  523.520822] WARNING: CPU: 1 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  523.520824] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  523.520851] CPU: 1 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  523.520853] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  523.520855]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  523.520859]  ffffffff810331ce ffff88003fa3bb00 ffffffffa005e9f8 ffff8800aa8c57b0
>[  523.520862]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 0000000000000000
>[  523.520866] Call Trace:
>[  523.520871]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  523.520878]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  523.520889]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  523.520899]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  523.520913]  [<ffffffffa00b0f7e>] ? gen6_add_request+0x43/0x147 [i915]
>[  523.520925]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  523.520938]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  523.520953]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  523.520962]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  523.520974]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  523.520978]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  523.520982]  [<ffffffff810dc8e8>] ? __sb_end_write+0x24/0x52
>[  523.520986]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  523.520989]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  523.520992] ---[ end trace 49a6f1aeeb44551f ]---
>[  523.521012] [drm:i915_ring_stop_set], Stopping rings 0x00000008
>[  523.521037] ------------[ cut here ]------------
>[  523.521048] WARNING: CPU: 1 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  523.521050] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  523.521079] CPU: 1 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  523.521081] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  523.521083]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  523.521087]  ffffffff810331ce ffff88003fa3a480 ffffffffa005e9f8 ffff8800aa8c5330
>[  523.521090]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 ffff8800aa8c5330
>[  523.521094] Call Trace:
>[  523.521099]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  523.521105]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  523.521117]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  523.521127]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  523.521141]  [<ffffffffa00b0f59>] ? gen6_add_request+0x1e/0x147 [i915]
>[  523.521153]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  523.521167]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  523.521179]  [<ffffffffa006d100>] ? i915_gem_release_all_mmaps+0x6b/0x7e [i915]
>[  523.521192]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  523.521201]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  523.521213]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  523.521222]  [<ffffffffa0010fe1>] ? drm_release+0x4ec/0x4ff [drm]
>[  523.521239]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  523.521266]  [<ffffffffa0010fad>] ? drm_release+0x4b8/0x4ff [drm]
>[  523.521290]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  523.521315]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  523.521329] ---[ end trace 49a6f1aeeb445520 ]---
>[  523.521342] ------------[ cut here ]------------
>[  523.521363] WARNING: CPU: 1 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  523.521378] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  523.521453] CPU: 1 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  523.521456] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  523.521457]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  523.521461]  ffffffff810331ce ffff88003fa3a480 ffffffffa005e9f8 ffff8800aa8c5330
>[  523.521465]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 0000000000000000
>[  523.521468] Call Trace:
>[  523.521473]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  523.521479]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  523.521489]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  523.521502]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  523.521516]  [<ffffffffa00b0f7e>] ? gen6_add_request+0x43/0x147 [i915]
>[  523.521528]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  523.521540]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  523.521552]  [<ffffffffa006d100>] ? i915_gem_release_all_mmaps+0x6b/0x7e [i915]
>[  523.521567]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  523.521576]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  523.521588]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  523.521597]  [<ffffffffa0010fe1>] ? drm_release+0x4ec/0x4ff [drm]
>[  523.521602]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  523.521609]  [<ffffffffa0010fad>] ? drm_release+0x4b8/0x4ff [drm]
>[  523.521614]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  523.521620]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  523.521622] ---[ end trace 49a6f1aeeb445521 ]---
>[  523.521629] ------------[ cut here ]------------
>[  523.521640] WARNING: CPU: 1 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  523.521641] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  523.521732] CPU: 1 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  523.521734] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  523.521736]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  523.521742]  ffffffff810331ce ffff88003f8b8a80 ffffffffa005e9f8 0000000000000000
>[  523.521746]  0000000000000000 ffff88003fa3a480 ffff8800aa8c5630 0000000000000000
>[  523.521749] Call Trace:
>[  523.521754]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  523.521760]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  523.521770]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  523.521781]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  523.521794]  [<ffffffffa006e5ae>] ? i915_gem_object_sync+0x46/0xba [i915]
>[  523.521809]  [<ffffffffa0075a62>] ? i915_gem_do_execbuffer.isra.15+0xae0/0xf86 [i915]
>[  523.521821]  [<ffffffffa006d100>] ? i915_gem_release_all_mmaps+0x6b/0x7e [i915]
>[  523.521854]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  523.521877]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  523.521889]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  523.521898]  [<ffffffffa0010fe1>] ? drm_release+0x4ec/0x4ff [drm]
>[  523.521902]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  523.521910]  [<ffffffffa0010fad>] ? drm_release+0x4b8/0x4ff [drm]
>[  523.521914]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  523.521918]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  523.521927] ---[ end trace 49a6f1aeeb445522 ]---
>[  523.521940] ------------[ cut here ]------------
>[  523.521955] WARNING: CPU: 1 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  523.521957] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  523.521989] CPU: 1 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  523.521991] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  523.521993]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  523.521996]  ffffffff810331ce 0000000000000009 ffffffffa005e9f8 ffff8800aa8c5630
>[  523.522000]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 ffff8800aa8c5630
>[  523.522003] Call Trace:
>[  523.522008]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  523.522013]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  523.522024]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  523.522034]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  523.522048]  [<ffffffffa00b0f59>] ? gen6_add_request+0x1e/0x147 [i915]
>[  523.522062]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  523.522075]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  523.522087]  [<ffffffffa006d100>] ? i915_gem_release_all_mmaps+0x6b/0x7e [i915]
>[  523.522099]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  523.522108]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  523.522123]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  523.522131]  [<ffffffffa0010fe1>] ? drm_release+0x4ec/0x4ff [drm]
>[  523.522135]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  523.522143]  [<ffffffffa0010fad>] ? drm_release+0x4b8/0x4ff [drm]
>[  523.522147]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  523.522150]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  523.522153] ---[ end trace 49a6f1aeeb445523 ]---
>[  523.522155] ------------[ cut here ]------------
>[  523.522164] WARNING: CPU: 1 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  523.522166] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  523.522192] CPU: 1 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  523.522195] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  523.522196]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  523.522200]  ffffffff810331ce 0000000000000009 ffffffffa005e9f8 ffff8800aa8c5630
>[  523.522204]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 0000000000000000
>[  523.522207] Call Trace:
>[  523.522212]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  523.522217]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  523.522230]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  523.522248]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  523.522262]  [<ffffffffa00b0f7e>] ? gen6_add_request+0x43/0x147 [i915]
>[  523.522278]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  523.522291]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  523.522303]  [<ffffffffa006d100>] ? i915_gem_release_all_mmaps+0x6b/0x7e [i915]
>[  523.522315]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  523.522324]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  523.522336]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  523.522346]  [<ffffffffa0010fe1>] ? drm_release+0x4ec/0x4ff [drm]
>[  523.522351]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  523.522359]  [<ffffffffa0010fad>] ? drm_release+0x4b8/0x4ff [drm]
>[  523.522362]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  523.522366]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  523.522369] ---[ end trace 49a6f1aeeb445524 ]---
>[  523.522374] ------------[ cut here ]------------
>[  523.522386] WARNING: CPU: 1 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  523.522387] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  523.522417] CPU: 1 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  523.522419] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  523.522421]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  523.522431]  ffffffff810331ce ffff88003f8b8a80 ffffffffa005e9f8 0000000000000000
>[  523.522483]  0000000000000000 ffff88003fa3a480 ffff8800aa8c54b0 0000000000000000
>[  523.522536] Call Trace:
>[  523.522561]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  523.522590]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  523.522603]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  523.522614]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  523.522626]  [<ffffffffa006e5ae>] ? i915_gem_object_sync+0x46/0xba [i915]
>[  523.522639]  [<ffffffffa0075a62>] ? i915_gem_do_execbuffer.isra.15+0xae0/0xf86 [i915]
>[  523.522653]  [<ffffffffa006d100>] ? i915_gem_release_all_mmaps+0x6b/0x7e [i915]
>[  523.522665]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  523.522674]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  523.522686]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  523.522695]  [<ffffffffa0010fe1>] ? drm_release+0x4ec/0x4ff [drm]
>[  523.522699]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  523.522708]  [<ffffffffa0010fad>] ? drm_release+0x4b8/0x4ff [drm]
>[  523.522712]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  523.522716]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  523.522718] ---[ end trace 49a6f1aeeb445525 ]---
>[  523.522722] ------------[ cut here ]------------
>[  523.522732] WARNING: CPU: 1 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  523.522733] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  523.522762] CPU: 1 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  523.522765] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  523.522766]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  523.522770]  ffffffff810331ce 0000000000000009 ffffffffa005e9f8 0000000000000000
>[  523.522774]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 ffff8800aa8c54b0
>[  523.522778] Call Trace:
>[  523.522782]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  523.522788]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  523.522798]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  523.522808]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  523.522843]  [<ffffffffa00b0f59>] ? gen6_add_request+0x1e/0x147 [i915]
>[  523.522876]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  523.522910]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  523.522930]  [<ffffffffa006d100>] ? i915_gem_release_all_mmaps+0x6b/0x7e [i915]
>[  523.522945]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  523.522953]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  523.522965]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  523.522974]  [<ffffffffa0010fe1>] ? drm_release+0x4ec/0x4ff [drm]
>[  523.522978]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  523.522986]  [<ffffffffa0010fad>] ? drm_release+0x4b8/0x4ff [drm]
>[  523.522992]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  523.522996]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  523.522998] ---[ end trace 49a6f1aeeb445526 ]---
>[  523.523000] ------------[ cut here ]------------
>[  523.523009] WARNING: CPU: 1 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  523.523011] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  523.523066] CPU: 1 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  523.523068] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  523.523070]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  523.523073]  ffffffff810331ce 0000000000000009 ffffffffa005e9f8 0000000000000000
>[  523.523077]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 0000000000000000
>[  523.523080] Call Trace:
>[  523.523085]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  523.523110]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  523.523120]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  523.523133]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  523.523154]  [<ffffffffa00b0f7e>] ? gen6_add_request+0x43/0x147 [i915]
>[  523.523166]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  523.523178]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  523.523190]  [<ffffffffa006d100>] ? i915_gem_release_all_mmaps+0x6b/0x7e [i915]
>[  523.523205]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  523.523214]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  523.523228]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  523.523249]  [<ffffffffa0010fe1>] ? drm_release+0x4ec/0x4ff [drm]
>[  523.523255]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  523.523263]  [<ffffffffa0010fad>] ? drm_release+0x4b8/0x4ff [drm]
>[  523.523267]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  523.523271]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  523.523273] ---[ end trace 49a6f1aeeb445527 ]---
>[  523.523279] ------------[ cut here ]------------
>[  523.523290] WARNING: CPU: 1 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  523.523291] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  523.523318] CPU: 1 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  523.523320] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  523.523322]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  523.523326]  ffffffff810331ce ffff88003f8b8a80 ffffffffa005e9f8 0000000000000000
>[  523.523330]  0000000000000000 ffff88003fa3a480 ffff8800aa8c57b0 0000000000000000
>[  523.523333] Call Trace:
>[  523.523341]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  523.523346]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  523.523356]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  523.523367]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  523.523379]  [<ffffffffa006e5ae>] ? i915_gem_object_sync+0x46/0xba [i915]
>[  523.523392]  [<ffffffffa0075a62>] ? i915_gem_do_execbuffer.isra.15+0xae0/0xf86 [i915]
>[  523.523406]  [<ffffffffa006d100>] ? i915_gem_release_all_mmaps+0x6b/0x7e [i915]
>[  523.523418]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  523.523427]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  523.523439]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  523.523448]  [<ffffffffa0010fe1>] ? drm_release+0x4ec/0x4ff [drm]
>[  523.523454]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  523.523462]  [<ffffffffa0010fad>] ? drm_release+0x4b8/0x4ff [drm]
>[  523.523466]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  523.523469]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  523.523472] ---[ end trace 49a6f1aeeb445528 ]---
>[  523.523475] ------------[ cut here ]------------
>[  523.523485] WARNING: CPU: 1 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  523.523486] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  523.523515] CPU: 1 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  523.523517] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  523.523519]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  523.523523]  ffffffff810331ce 0000000000000009 ffffffffa005e9f8 ffff8800aa8c57b0
>[  523.523526]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 ffff8800aa8c57b0
>[  523.523530] Call Trace:
>[  523.523535]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  523.523540]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  523.523550]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  523.523560]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  523.523584]  [<ffffffffa00b0f59>] ? gen6_add_request+0x1e/0x147 [i915]
>[  523.523616]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  523.523651]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  523.523683]  [<ffffffffa006d100>] ? i915_gem_release_all_mmaps+0x6b/0x7e [i915]
>[  523.523717]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  523.523748]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  523.523779]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  523.523790]  [<ffffffffa0010fe1>] ? drm_release+0x4ec/0x4ff [drm]
>[  523.523795]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  523.523805]  [<ffffffffa0010fad>] ? drm_release+0x4b8/0x4ff [drm]
>[  523.523809]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  523.523812]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  523.523815] ---[ end trace 49a6f1aeeb445529 ]---
>[  523.523817] ------------[ cut here ]------------
>[  523.523826] WARNING: CPU: 1 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  523.523828] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  523.523854] CPU: 1 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  523.523856] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  523.523862]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  523.523865]  ffffffff810331ce 0000000000000009 ffffffffa005e9f8 ffff8800aa8c57b0
>[  523.523869]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 0000000000000000
>[  523.523873] Call Trace:
>[  523.523877]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  523.523883]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  523.523893]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  523.523903]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  523.523917]  [<ffffffffa00b0f7e>] ? gen6_add_request+0x43/0x147 [i915]
>[  523.523931]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  523.523944]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  523.523956]  [<ffffffffa006d100>] ? i915_gem_release_all_mmaps+0x6b/0x7e [i915]
>[  523.523968]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  523.523977]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  523.523989]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  523.524018]  [<ffffffffa0010fe1>] ? drm_release+0x4ec/0x4ff [drm]
>[  523.524041]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  523.524070]  [<ffffffffa0010fad>] ? drm_release+0x4b8/0x4ff [drm]
>[  523.524079]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  523.524083]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  523.524085] ---[ end trace 49a6f1aeeb44552a ]---
>[  535.519983] [drm] stuck on video enhancement ring
>[  535.520174] [drm:i915_error_work_func], resetting chip
>[  535.520392] [drm] Simulated gpu hang, resetting stop_rings
>[  535.520420] [drm:init_status_page], render ring hws offset: 0x00012000
>[  535.521937] [drm:init_pipe_control], render ring pipe control offset: 0x00033000
>[  535.521947] [drm:init_status_page], bsd ring hws offset: 0x00034000
>[  535.522066] [drm:init_status_page], blitter ring hws offset: 0x00055000
>[  535.522153] [drm:init_status_page], video enhancement ring hws offset: 0x00076000
>[  535.522260] [drm:gm45_get_vblank_counter], trying to get vblank count for disabled pipe B
>[  535.522262] [drm:gm45_get_vblank_counter], trying to get vblank count for disabled pipe C
>[  535.522329] [drm:ironlake_update_plane], Writing base 00097000 00000000 0 0 7680
>[  535.522550] [drm:i915_gem_open], 
>[  535.522590] [drm:i915_gem_open], 
>[  535.522651] ------------[ cut here ]------------
>[  535.522676] WARNING: CPU: 3 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  535.522678] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  535.522711] CPU: 3 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  535.522714] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  535.522717]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  535.522721]  ffffffff810331ce ffff8801498cef00 ffffffffa005e9f8 ffff8800aa8c57b0
>[  535.522725]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 ffff8800aa8c57b0
>[  535.522729] Call Trace:
>[  535.522739]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  535.522747]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  535.522758]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  535.522769]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  535.522785]  [<ffffffffa00b0f59>] ? gen6_add_request+0x1e/0x147 [i915]
>[  535.522799]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  535.522815]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  535.522827]  [<ffffffffa006d100>] ? i915_gem_release_all_mmaps+0x6b/0x7e [i915]
>[  535.522842]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  535.522852]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  535.522866]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  535.522873]  [<ffffffff811085cc>] ? fsnotify+0x257/0x2a9
>[  535.522879]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  535.522884]  [<ffffffff810dc8e8>] ? __sb_end_write+0x24/0x52
>[  535.522888]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  535.522892]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  535.522895] ---[ end trace 49a6f1aeeb44552b ]---
>[  535.522897] ------------[ cut here ]------------
>[  535.522909] WARNING: CPU: 3 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  535.522922] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  535.522964] CPU: 3 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  535.522968] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  535.522971]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  535.522976]  ffffffff810331ce ffff8801498cef00 ffffffffa005e9f8 ffff8800aa8c57b0
>[  535.522982]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 0000000000000000
>[  535.522987] Call Trace:
>[  535.522995]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  535.523002]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  535.523017]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  535.523032]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  535.523054]  [<ffffffffa00b0f7e>] ? gen6_add_request+0x43/0x147 [i915]
>[  535.523071]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  535.523090]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  535.523108]  [<ffffffffa006d100>] ? i915_gem_release_all_mmaps+0x6b/0x7e [i915]
>[  535.523127]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  535.523140]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  535.523159]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  535.523166]  [<ffffffff811085cc>] ? fsnotify+0x257/0x2a9
>[  535.523172]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  535.523178]  [<ffffffff810dc8e8>] ? __sb_end_write+0x24/0x52
>[  535.523184]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  535.523190]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  535.523194] ---[ end trace 49a6f1aeeb44552c ]---
>[  535.523215] ------------[ cut here ]------------
>[  535.523231] WARNING: CPU: 3 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  535.523234] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  535.523276] CPU: 3 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  535.523280] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  535.523283]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  535.523288]  ffffffff810331ce ffff8801498cef00 ffffffffa005e9f8 ffff8800aa8c57b0
>[  535.523294]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 ffff8800aa8c57b0
>[  535.523299] Call Trace:
>[  535.523307]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  535.523314]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  535.523329]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  535.523344]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  535.523364]  [<ffffffffa00b0f59>] ? gen6_add_request+0x1e/0x147 [i915]
>[  535.523384]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  535.523403]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  535.523423]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  535.523436]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  535.523455]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  535.523464]  [<ffffffff811085cc>] ? fsnotify+0x257/0x2a9
>[  535.523470]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  535.523477]  [<ffffffff810dc8e8>] ? __sb_end_write+0x24/0x52
>[  535.523483]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  535.523489]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  535.523493] ---[ end trace 49a6f1aeeb44552d ]---
>[  535.523496] ------------[ cut here ]------------
>[  535.523512] WARNING: CPU: 3 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  535.523516] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  535.523561] CPU: 3 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  535.523566] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  535.523569]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  535.523575]  ffffffff810331ce ffff8801498cef00 ffffffffa005e9f8 ffff8800aa8c57b0
>[  535.523581]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 0000000000000000
>[  535.523587] Call Trace:
>[  535.523594]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  535.523602]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  535.523618]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  535.523633]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  535.523656]  [<ffffffffa00b0f7e>] ? gen6_add_request+0x43/0x147 [i915]
>[  535.523676]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  535.523695]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  535.523715]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  535.523729]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  535.523747]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  535.523754]  [<ffffffff811085cc>] ? fsnotify+0x257/0x2a9
>[  535.523761]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  535.523768]  [<ffffffff810dc8e8>] ? __sb_end_write+0x24/0x52
>[  535.523774]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  535.523780]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  535.523784] ---[ end trace 49a6f1aeeb44552e ]---
>[  535.523810] [drm:i915_ring_stop_set], Stopping rings 0x00000008
>[  536.523838] [drm:i915_gem_open], 
>[  536.523874] [drm:i915_gem_open], 
>[  536.523926] ------------[ cut here ]------------
>[  536.523943] WARNING: CPU: 2 PID: 3884 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  536.523945] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  536.523976] CPU: 2 PID: 3884 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  536.523978] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  536.523981]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  536.523985]  ffffffff810331ce ffff880148a99800 ffffffffa005e9f8 ffff8800aa8c57b0
>[  536.523989]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 ffff8800aa8c57b0
>[  536.523993] Call Trace:
>[  536.524001]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  536.524007]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  536.524018]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  536.524029]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  536.524044]  [<ffffffffa00b0f59>] ? gen6_add_request+0x1e/0x147 [i915]
>[  536.524058]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  536.524073]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  536.524079]  [<ffffffff810b83de>] ? __do_fault+0x38c/0x3bf
>[  536.524093]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  536.524103]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  536.524116]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  536.524122]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  536.524126]  [<ffffffff810dc8e8>] ? __sb_end_write+0x24/0x52
>[  536.524130]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  536.524134]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  536.524137] ---[ end trace 49a6f1aeeb44552f ]---
>[  536.524139] ------------[ cut here ]------------
>[  536.524149] WARNING: CPU: 2 PID: 3884 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  536.524151] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  536.524179] CPU: 2 PID: 3884 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  536.524181] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  536.524183]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  536.524187]  ffffffff810331ce ffff880148a99800 ffffffffa005e9f8 ffff8800aa8c57b0
>[  536.524191]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 0000000000000000
>[  536.524195] Call Trace:
>[  536.524200]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  536.524205]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  536.524215]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  536.524226]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  536.524241]  [<ffffffffa00b0f7e>] ? gen6_add_request+0x43/0x147 [i915]
>[  536.524254]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  536.524267]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  536.524272]  [<ffffffff810b83de>] ? __do_fault+0x38c/0x3bf
>[  536.524284]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  536.524294]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  536.524306]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  536.524311]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  536.524315]  [<ffffffff810dc8e8>] ? __sb_end_write+0x24/0x52
>[  536.524318]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  536.524322]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  536.524325] ---[ end trace 49a6f1aeeb445530 ]---
>[  536.524332] ------------[ cut here ]------------
>[  536.524343] WARNING: CPU: 2 PID: 3884 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  536.524344] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  536.524371] CPU: 2 PID: 3884 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  536.524373] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  536.524375]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  536.524379]  ffffffff810331ce ffff880149eb8900 ffffffffa005e9f8 ffff880000000000
>[  536.524382]  0000000000000000 ffff880148a99800 ffff8800aa8c54b0 0000000000000000
>[  536.524386] Call Trace:
>[  536.524391]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  536.524396]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  536.524406]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  536.524417]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  536.524430]  [<ffffffffa006e5ae>] ? i915_gem_object_sync+0x46/0xba [i915]
>[  536.524443]  [<ffffffffa0075a62>] ? i915_gem_do_execbuffer.isra.15+0xae0/0xf86 [i915]
>[  536.524447]  [<ffffffff810b83de>] ? __do_fault+0x38c/0x3bf
>[  536.524460]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  536.524469]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  536.524481]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  536.524485]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  536.524489]  [<ffffffff810dc8e8>] ? __sb_end_write+0x24/0x52
>[  536.524493]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  536.524497]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  536.524499] ---[ end trace 49a6f1aeeb445531 ]---
>[  537.523519] [drm:i915_gem_open], 
>[  537.523554] [drm:i915_gem_open], 
>[  537.523594] ------------[ cut here ]------------
>[  537.523618] WARNING: CPU: 3 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  537.523620] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  537.523654] CPU: 3 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  537.523656] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  537.523659]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  537.523664]  ffffffff810331ce ffff8801498cfe00 ffffffffa005e9f8 ffff8800aa8c57b0
>[  537.523668]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 ffff8800aa8c57b0
>[  537.523672] Call Trace:
>[  537.523682]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  537.523690]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  537.523701]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  537.523712]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  537.523728]  [<ffffffffa00b0f59>] ? gen6_add_request+0x1e/0x147 [i915]
>[  537.523742]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  537.523758]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  537.523770]  [<ffffffffa006d100>] ? i915_gem_release_all_mmaps+0x6b/0x7e [i915]
>[  537.523785]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  537.523796]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  537.523809]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  537.523816]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  537.523821]  [<ffffffff810dc8e8>] ? __sb_end_write+0x24/0x52
>[  537.523825]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  537.523830]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  537.523832] ---[ end trace 49a6f1aeeb445532 ]---
>[  537.523834] ------------[ cut here ]------------
>[  537.523845] WARNING: CPU: 3 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  537.523847] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  537.523875] CPU: 3 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  537.523877] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  537.523879]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  537.523883]  ffffffff810331ce ffff8801498cfe00 ffffffffa005e9f8 ffff8800aa8c57b0
>[  537.523886]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 0000000000000000
>[  537.523890] Call Trace:
>[  537.523895]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  537.523901]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  537.523911]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  537.523921]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  537.523936]  [<ffffffffa00b0f7e>] ? gen6_add_request+0x43/0x147 [i915]
>[  537.523949]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  537.523962]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  537.523975]  [<ffffffffa006d100>] ? i915_gem_release_all_mmaps+0x6b/0x7e [i915]
>[  537.523988]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  537.523997]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  537.524010]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  537.524015]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  537.524018]  [<ffffffff810dc8e8>] ? __sb_end_write+0x24/0x52
>[  537.524022]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  537.524026]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  537.524028] ---[ end trace 49a6f1aeeb445533 ]---
>[  545.508385] [drm] stuck on video enhancement ring
>[  545.508554] [drm:i915_error_work_func], resetting chip
>[  545.508742] [drm] Simulated gpu hang, resetting stop_rings
>[  545.508768] [drm:init_status_page], render ring hws offset: 0x00012000
>[  545.510347] [drm:init_pipe_control], render ring pipe control offset: 0x00033000
>[  545.510358] [drm:init_status_page], bsd ring hws offset: 0x00034000
>[  545.510455] [drm:init_status_page], blitter ring hws offset: 0x00055000
>[  545.510545] [drm:init_status_page], video enhancement ring hws offset: 0x00076000
>[  545.510652] [drm:gm45_get_vblank_counter], trying to get vblank count for disabled pipe B
>[  545.510655] [drm:gm45_get_vblank_counter], trying to get vblank count for disabled pipe C
>[  545.510723] [drm:ironlake_update_plane], Writing base 00097000 00000000 0 0 7680
>[  545.510890] [drm:i915_gem_open], 
>[  545.510915] [drm:i915_gem_open], 
>[  545.510965] ------------[ cut here ]------------
>[  545.510989] WARNING: CPU: 0 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  545.510992] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  545.511024] CPU: 0 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  545.511027] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  545.511029]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  545.511034]  ffffffff810331ce ffff8800aaab2000 ffffffffa005e9f8 ffff8800aa8c57b0
>[  545.511038]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 ffff8800aa8c57b0
>[  545.511042] Call Trace:
>[  545.511053]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  545.511061]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  545.511072]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  545.511083]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  545.511099]  [<ffffffffa00b0f59>] ? gen6_add_request+0x1e/0x147 [i915]
>[  545.511113]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  545.511128]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  545.511141]  [<ffffffffa006d100>] ? i915_gem_release_all_mmaps+0x6b/0x7e [i915]
>[  545.511156]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  545.511166]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  545.511181]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  545.511187]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  545.511192]  [<ffffffff810dc8e8>] ? __sb_end_write+0x24/0x52
>[  545.511196]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  545.511201]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  545.511203] ---[ end trace 49a6f1aeeb445534 ]---
>[  545.511206] ------------[ cut here ]------------
>[  545.511216] WARNING: CPU: 0 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  545.511218] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  545.511245] CPU: 0 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  545.511248] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  545.511250]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  545.511255]  ffffffff810331ce ffff8800aaab2000 ffffffffa005e9f8 ffff8800aa8c57b0
>[  545.511261]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 0000000000000000
>[  545.511266] Call Trace:
>[  545.511274]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  545.511281]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  545.511296]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  545.511312]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  545.511371]  [<ffffffffa00b0f7e>] ? gen6_add_request+0x43/0x147 [i915]
>[  545.511404]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  545.511439]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  545.511472]  [<ffffffffa006d100>] ? i915_gem_release_all_mmaps+0x6b/0x7e [i915]
>[  545.511505]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  545.511530]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  545.511543]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  545.511548]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  545.511552]  [<ffffffff810dc8e8>] ? __sb_end_write+0x24/0x52
>[  545.511556]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  545.511560]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  545.511562] ---[ end trace 49a6f1aeeb445535 ]---
>[  545.511579] ------------[ cut here ]------------
>[  545.511590] WARNING: CPU: 0 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  545.511592] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  545.511619] CPU: 0 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  545.511621] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  545.511623]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  545.511627]  ffffffff810331ce ffff8800aaab2000 ffffffffa005e9f8 ffff8800aa8c57b0
>[  545.511631]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 ffff8800aa8c57b0
>[  545.511634] Call Trace:
>[  545.511639]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  545.511645]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  545.511655]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  545.511668]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  545.511683]  [<ffffffffa00b0f59>] ? gen6_add_request+0x1e/0x147 [i915]
>[  545.511696]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  545.511709]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  545.511724]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  545.511753]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  545.511786]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  545.511811]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  545.511818]  [<ffffffff810dc8e8>] ? __sb_end_write+0x24/0x52
>[  545.511822]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  545.511825]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  545.511828] ---[ end trace 49a6f1aeeb445536 ]---
>[  545.511832] ------------[ cut here ]------------
>[  545.511842] WARNING: CPU: 0 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  545.511844] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  545.511871] CPU: 0 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  545.511873] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  545.511875]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  545.511879]  ffffffff810331ce ffff8800aaab2000 ffffffffa005e9f8 ffff8800aa8c57b0
>[  545.511882]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 0000000000000000
>[  545.511886] Call Trace:
>[  545.511891]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  545.511896]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  545.511908]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  545.511940]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  545.511973]  [<ffffffffa00b0f7e>] ? gen6_add_request+0x43/0x147 [i915]
>[  545.511986]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  545.511998]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  545.512013]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  545.512022]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  545.512045]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  545.512050]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  545.512059]  [<ffffffff810dc8e8>] ? __sb_end_write+0x24/0x52
>[  545.512068]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  545.512071]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  545.512076] ---[ end trace 49a6f1aeeb445537 ]---
>[  545.512102] [drm:i915_ring_stop_set], Stopping rings 0x00000008
>[  546.512117] [drm:i915_gem_open], 
>[  546.512154] [drm:i915_gem_open], 
>[  546.512243] ------------[ cut here ]------------
>[  546.512264] WARNING: CPU: 3 PID: 3891 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  546.512266] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  546.512298] CPU: 3 PID: 3891 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  546.512301] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  546.512303]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  546.512308]  ffffffff810331ce 0000000080000000 ffffffffa005e9f8 ffff8800aa8c5330
>[  546.512312]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 ffff8800aa8c5330
>[  546.512316] Call Trace:
>[  546.512325]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  546.512332]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  546.512343]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  546.512354]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  546.512371]  [<ffffffffa00b0f59>] ? gen6_add_request+0x1e/0x147 [i915]
>[  546.512385]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  546.512402]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  546.512408]  [<ffffffff810b83de>] ? __do_fault+0x38c/0x3bf
>[  546.512422]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  546.512434]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  546.512448]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  546.512453]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  546.512458]  [<ffffffff810dc8e8>] ? __sb_end_write+0x24/0x52
>[  546.512462]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  546.512466]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  546.512469] ---[ end trace 49a6f1aeeb445538 ]---
>[  546.512471] ------------[ cut here ]------------
>[  546.512481] WARNING: CPU: 3 PID: 3891 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  546.512483] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  546.512511] CPU: 3 PID: 3891 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  546.512513] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  546.512515]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  546.512519]  ffffffff810331ce 0000000080000000 ffffffffa005e9f8 ffff8800aa8c5330
>[  546.512522]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 0000000000000000
>[  546.512526] Call Trace:
>[  546.512531]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  546.512537]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  546.512547]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  546.512557]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  546.512573]  [<ffffffffa00b0f7e>] ? gen6_add_request+0x43/0x147 [i915]
>[  546.512586]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  546.512600]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  546.512604]  [<ffffffff810b83de>] ? __do_fault+0x38c/0x3bf
>[  546.512617]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  546.512626]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  546.512639]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  546.512644]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  546.512648]  [<ffffffff810dc8e8>] ? __sb_end_write+0x24/0x52
>[  546.512652]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  546.512655]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  546.512658] ---[ end trace 49a6f1aeeb445539 ]---
>[  546.512667] ------------[ cut here ]------------
>[  546.512678] WARNING: CPU: 3 PID: 3891 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  546.512680] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  546.512706] CPU: 3 PID: 3891 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  546.512708] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  546.512710]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  546.512714]  ffffffff810331ce ffff8800aab12000 ffffffffa005e9f8 0000000000000000
>[  546.512717]  0000000000000000 ffff8801498cf080 ffff8800aa8c5630 0000000000000000
>[  546.512721] Call Trace:
>[  546.512726]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  546.512732]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  546.512742]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  546.512753]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  546.512767]  [<ffffffffa006e5ae>] ? i915_gem_object_sync+0x46/0xba [i915]
>[  546.512780]  [<ffffffffa0075a62>] ? i915_gem_do_execbuffer.isra.15+0xae0/0xf86 [i915]
>[  546.512784]  [<ffffffff810b83de>] ? __do_fault+0x38c/0x3bf
>[  546.512797]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  546.512807]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  546.512819]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  546.512824]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  546.512828]  [<ffffffff810dc8e8>] ? __sb_end_write+0x24/0x52
>[  546.512832]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  546.512836]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  546.512838] ---[ end trace 49a6f1aeeb44553a ]---
>[  546.512842] ------------[ cut here ]------------
>[  546.512853] WARNING: CPU: 3 PID: 3891 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  546.512854] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  546.512880] CPU: 3 PID: 3891 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  546.512883] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  546.512884]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  546.512888]  ffffffff810331ce 0000000000000009 ffffffffa005e9f8 ffff8800aa8c5630
>[  546.512891]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 ffff8800aa8c5630
>[  546.512895] Call Trace:
>[  546.512900]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  546.512905]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  546.512916]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  546.512926]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  546.512941]  [<ffffffffa00b0f59>] ? gen6_add_request+0x1e/0x147 [i915]
>[  546.512954]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  546.513014]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  546.513033]  [<ffffffff810b83de>] ? __do_fault+0x38c/0x3bf
>[  546.513064]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  546.513089]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  546.513120]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  546.513138]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  546.513157]  [<ffffffff810dc8e8>] ? __sb_end_write+0x24/0x52
>[  546.513175]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  546.513194]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  546.513199] ---[ end trace 49a6f1aeeb44553b ]---
>[  546.513203] ------------[ cut here ]------------
>[  546.513218] WARNING: CPU: 3 PID: 3891 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  546.513221] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  546.513263] CPU: 3 PID: 3891 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  546.513267] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  546.513270]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  546.513275]  ffffffff810331ce 0000000000000009 ffffffffa005e9f8 ffff8800aa8c5630
>[  546.513281]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 0000000000000000
>[  546.513287] Call Trace:
>[  546.513294]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  546.513302]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  546.513318]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  546.513334]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  546.513357]  [<ffffffffa00b0f7e>] ? gen6_add_request+0x43/0x147 [i915]
>[  546.513376]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  546.513396]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  546.513403]  [<ffffffff810b83de>] ? __do_fault+0x38c/0x3bf
>[  546.513421]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  546.513434]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  546.513452]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  546.513459]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  546.513466]  [<ffffffff810dc8e8>] ? __sb_end_write+0x24/0x52
>[  546.513472]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  546.513478]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  546.513482] ---[ end trace 49a6f1aeeb44553c ]---
>[  546.513505] ------------[ cut here ]------------
>[  546.513521] WARNING: CPU: 3 PID: 3891 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  546.513526] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  546.513570] CPU: 3 PID: 3891 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  546.513574] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  546.513577]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  546.513583]  ffffffff810331ce ffff8800aab12000 ffffffffa005e9f8 0000000000000000
>[  546.513588]  0000000000000000 ffff8801498cf080 ffff8800aa8c54b0 0000000000000000
>[  546.513596] Call Trace:
>[  546.513604]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  546.513611]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  546.513628]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  546.513668]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  546.513704]  [<ffffffffa006e5ae>] ? i915_gem_object_sync+0x46/0xba [i915]
>[  546.513739]  [<ffffffffa0075a62>] ? i915_gem_do_execbuffer.isra.15+0xae0/0xf86 [i915]
>[  546.513757]  [<ffffffff810b83de>] ? __do_fault+0x38c/0x3bf
>[  546.513790]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  546.513816]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  546.513839]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  546.513847]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  546.513853]  [<ffffffff810dc8e8>] ? __sb_end_write+0x24/0x52
>[  546.513859]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  546.513865]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  546.513868] ---[ end trace 49a6f1aeeb44553d ]---
>[  546.513874] ------------[ cut here ]------------
>[  546.513889] WARNING: CPU: 3 PID: 3891 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  546.513894] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  546.513938] CPU: 3 PID: 3891 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  546.513941] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  546.513944]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  546.513960]  ffffffff810331ce 0000000000000009 ffffffffa005e9f8 0000000000000000
>[  546.513966]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 ffff8800aa8c54b0
>[  546.513972] Call Trace:
>[  546.513979]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  546.513987]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  546.514003]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  546.514019]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  546.514042]  [<ffffffffa00b0f59>] ? gen6_add_request+0x1e/0x147 [i915]
>[  546.514061]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  546.514080]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  546.514086]  [<ffffffff810b83de>] ? __do_fault+0x38c/0x3bf
>[  546.514119]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  546.514155]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  546.514187]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  546.514194]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  546.514200]  [<ffffffff810dc8e8>] ? __sb_end_write+0x24/0x52
>[  546.514206]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  546.514212]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  546.514216] ---[ end trace 49a6f1aeeb44553e ]---
>[  546.514219] ------------[ cut here ]------------
>[  546.514234] WARNING: CPU: 3 PID: 3891 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  546.514237] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  546.514279] CPU: 3 PID: 3891 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  546.514283] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  546.514299]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  546.514320]  ffffffff810331ce 0000000000000009 ffffffffa005e9f8 0000000000000000
>[  546.514326]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 0000000000000000
>[  546.514332] Call Trace:
>[  546.514340]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  546.514347]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  546.514363]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  546.514397]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  546.514421]  [<ffffffffa00b0f7e>] ? gen6_add_request+0x43/0x147 [i915]
>[  546.514442]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  546.514466]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  546.514472]  [<ffffffff810b83de>] ? __do_fault+0x38c/0x3bf
>[  546.514490]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  546.514505]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  546.514524]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  546.514531]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  546.514537]  [<ffffffff810dc8e8>] ? __sb_end_write+0x24/0x52
>[  546.514543]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  546.514549]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  546.514554] ---[ end trace 49a6f1aeeb44553f ]---
>[  546.514564] ------------[ cut here ]------------
>[  546.514581] WARNING: CPU: 3 PID: 3891 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  546.514583] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  546.514628] CPU: 3 PID: 3891 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  546.514632] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  546.514635]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  546.514641]  ffffffff810331ce ffff8800aab12000 ffffffffa005e9f8 0000000000000000
>[  546.514647]  0000000000000000 ffff8801498cf080 ffff8800aa8c57b0 0000000000000000
>[  546.514652] Call Trace:
>[  546.514660]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  546.514668]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  546.514684]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  546.514702]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  546.514721]  [<ffffffffa006e5ae>] ? i915_gem_object_sync+0x46/0xba [i915]
>[  546.514739]  [<ffffffffa0075a62>] ? i915_gem_do_execbuffer.isra.15+0xae0/0xf86 [i915]
>[  546.514747]  [<ffffffff810b83de>] ? __do_fault+0x38c/0x3bf
>[  546.514766]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  546.514779]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  546.514798]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  546.514807]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  546.514813]  [<ffffffff810dc8e8>] ? __sb_end_write+0x24/0x52
>[  546.514819]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  546.514825]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  546.514829] ---[ end trace 49a6f1aeeb445540 ]---
>[  546.514835] ------------[ cut here ]------------
>[  546.514850] WARNING: CPU: 3 PID: 3891 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  546.514853] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  546.514899] CPU: 3 PID: 3891 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  546.514902] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  546.514905]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  546.514913]  ffffffff810331ce 0000000000000009 ffffffffa005e9f8 ffff8800aa8c57b0
>[  546.514918]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 ffff8800aa8c57b0
>[  546.514924] Call Trace:
>[  546.514932]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  546.514940]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  546.514955]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  546.514991]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  546.515027]  [<ffffffffa00b0f59>] ? gen6_add_request+0x1e/0x147 [i915]
>[  546.515061]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  546.515092]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  546.515112]  [<ffffffff810b83de>] ? __do_fault+0x38c/0x3bf
>[  546.515140]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  546.515153]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  546.515170]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  546.515178]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  546.515184]  [<ffffffff810dc8e8>] ? __sb_end_write+0x24/0x52
>[  546.515190]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  546.515196]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  546.515199] ---[ end trace 49a6f1aeeb445541 ]---
>[  546.515202] ------------[ cut here ]------------
>[  546.515218] WARNING: CPU: 3 PID: 3891 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  546.515220] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  546.515266] CPU: 3 PID: 3891 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  546.515269] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  546.515272]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  546.515277]  ffffffff810331ce 0000000000000009 ffffffffa005e9f8 ffff8800aa8c57b0
>[  546.515283]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 0000000000000000
>[  546.515289] Call Trace:
>[  546.515297]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  546.515306]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  546.515323]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  546.515339]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  546.515360]  [<ffffffffa00b0f7e>] ? gen6_add_request+0x43/0x147 [i915]
>[  546.515402]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  546.515432]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  546.515449]  [<ffffffff810b83de>] ? __do_fault+0x38c/0x3bf
>[  546.515469]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  546.515482]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  546.515502]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  546.515510]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  546.515516]  [<ffffffff810dc8e8>] ? __sb_end_write+0x24/0x52
>[  546.515522]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  546.515528]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  546.515532] ---[ end trace 49a6f1aeeb445542 ]---
>[  547.511767] [drm:i915_gem_open], 
>[  547.511803] [drm:i915_gem_open], 
>[  547.511847] ------------[ cut here ]------------
>[  547.511873] WARNING: CPU: 0 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  547.511876] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  547.511909] CPU: 0 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  547.511912] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  547.511915]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  547.511919]  ffffffff810331ce ffff8800aaab3c80 ffffffffa005e9f8 ffff8800aa8c57b0
>[  547.511923]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 ffff8800aa8c57b0
>[  547.511928] Call Trace:
>[  547.511938]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  547.511946]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  547.511958]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  547.511969]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  547.511986]  [<ffffffffa00b0f59>] ? gen6_add_request+0x1e/0x147 [i915]
>[  547.512000]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  547.512017]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  547.512029]  [<ffffffffa006d100>] ? i915_gem_release_all_mmaps+0x6b/0x7e [i915]
>[  547.512045]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  547.512058]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  547.512072]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  547.512079]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  547.512084]  [<ffffffff810dc8e8>] ? __sb_end_write+0x24/0x52
>[  547.512088]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  547.512093]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  547.512095] ---[ end trace 49a6f1aeeb445543 ]---
>[  547.512098] ------------[ cut here ]------------
>[  547.512108] WARNING: CPU: 0 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  547.512110] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  547.512137] CPU: 0 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  547.512140] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  547.512142]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  547.512145]  ffffffff810331ce ffff8800aaab3c80 ffffffffa005e9f8 ffff8800aa8c57b0
>[  547.512149]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 0000000000000000
>[  547.512153] Call Trace:
>[  547.512158]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  547.512163]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  547.512174]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  547.512184]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  547.512199]  [<ffffffffa00b0f7e>] ? gen6_add_request+0x43/0x147 [i915]
>[  547.512213]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  547.512227]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  547.512240]  [<ffffffffa006d100>] ? i915_gem_release_all_mmaps+0x6b/0x7e [i915]
>[  547.512253]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  547.512263]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  547.512276]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  547.512281]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  547.512285]  [<ffffffff810dc8e8>] ? __sb_end_write+0x24/0x52
>[  547.512289]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  547.512293]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  547.512295] ---[ end trace 49a6f1aeeb445544 ]---
>[  553.517507] [drm] stuck on video enhancement ring
>[  553.517801] [drm:i915_error_work_func], resetting chip
>[  553.518037] [drm] Simulated gpu hang, resetting stop_rings
>[  553.518063] [drm:init_status_page], render ring hws offset: 0x008a7000
>[  553.519461] [drm:init_pipe_control], render ring pipe control offset: 0x00032000
>[  553.519470] [drm:init_status_page], bsd ring hws offset: 0x00033000
>[  553.519567] [drm:init_status_page], blitter ring hws offset: 0x00054000
>[  553.519689] [drm:init_status_page], video enhancement ring hws offset: 0x00075000
>[  553.519826] [drm:gm45_get_vblank_counter], trying to get vblank count for disabled pipe B
>[  553.519830] [drm:gm45_get_vblank_counter], trying to get vblank count for disabled pipe C
>[  553.519898] [drm:ironlake_update_plane], Writing base 00097000 00000000 0 0 7680
>[  553.520120] ------------[ cut here ]------------
>[  553.520148] WARNING: CPU: 0 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  553.520150] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  553.520184] CPU: 0 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  553.520186] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  553.520189]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  553.520193]  ffffffff810331ce ffff8800aaab3380 ffffffffa005e9f8 ffff8800aa8c5330
>[  553.520197]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 ffff8800aa8c5330
>[  553.520201] Call Trace:
>[  553.520211]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  553.520219]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  553.520230]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  553.520241]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  553.520257]  [<ffffffffa00b0f59>] ? gen6_add_request+0x1e/0x147 [i915]
>[  553.520271]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  553.520286]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  553.520299]  [<ffffffffa006d100>] ? i915_gem_release_all_mmaps+0x6b/0x7e [i915]
>[  553.520313]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  553.520324]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  553.520330]  [<ffffffff8134dd85>] ? pty_write+0x44/0x4e
>[  553.520349]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  553.520358]  [<ffffffff8105b093>] ? __wake_up+0x35/0x46
>[  553.520365]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  553.520372]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  553.520379]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  553.520383] ---[ end trace 49a6f1aeeb445545 ]---
>[  553.520387] ------------[ cut here ]------------
>[  553.520403] WARNING: CPU: 0 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  553.520406] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  553.520552] CPU: 0 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  553.520556] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  553.520559]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  553.520566]  ffffffff810331ce ffff8800aaab3380 ffffffffa005e9f8 ffff8800aa8c5330
>[  553.520571]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 0000000000000000
>[  553.520578] Call Trace:
>[  553.520586]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  553.520594]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  553.520611]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  553.520628]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  553.520652]  [<ffffffffa00b0f7e>] ? gen6_add_request+0x43/0x147 [i915]
>[  553.520670]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  553.520684]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  553.520713]  [<ffffffffa006d100>] ? i915_gem_release_all_mmaps+0x6b/0x7e [i915]
>[  553.520746]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  553.520756]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  553.520760]  [<ffffffff8134dd85>] ? pty_write+0x44/0x4e
>[  553.520773]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  553.520781]  [<ffffffff8105b093>] ? __wake_up+0x35/0x46
>[  553.520786]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  553.520790]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  553.520811]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  553.520814] ---[ end trace 49a6f1aeeb445546 ]---
>[  553.520826] ------------[ cut here ]------------
>[  553.520837] WARNING: CPU: 0 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  553.520848] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  553.520876] CPU: 0 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  553.520878] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  553.520880]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  553.520884]  ffffffff810331ce ffff8800a6b26cc0 ffffffffa005e9f8 0000000000000000
>[  553.520890]  0000000000000000 ffff8800aaab3380 ffff8800aa8c5630 0000000000000000
>[  553.520894] Call Trace:
>[  553.520899]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  553.520905]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  553.520916]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  553.520926]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  553.520940]  [<ffffffffa006e5ae>] ? i915_gem_object_sync+0x46/0xba [i915]
>[  553.520953]  [<ffffffffa0075a62>] ? i915_gem_do_execbuffer.isra.15+0xae0/0xf86 [i915]
>[  553.520968]  [<ffffffffa006d100>] ? i915_gem_release_all_mmaps+0x6b/0x7e [i915]
>[  553.520981]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  553.520990]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  553.520994]  [<ffffffff8134dd85>] ? pty_write+0x44/0x4e
>[  553.521006]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  553.521012]  [<ffffffff8105b093>] ? __wake_up+0x35/0x46
>[  553.521016]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  553.521020]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  553.521026]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  553.521029] ---[ end trace 49a6f1aeeb445547 ]---
>[  553.521035] ------------[ cut here ]------------
>[  553.521045] WARNING: CPU: 0 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  553.521047] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  553.521073] CPU: 0 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  553.521075] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  553.521077]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  553.521081]  ffffffff810331ce 0000000000000009 ffffffffa005e9f8 ffff8800aa8c5630
>[  553.521084]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 ffff8800aa8c5630
>[  553.521088] Call Trace:
>[  553.521093]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  553.521098]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  553.521111]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  553.521121]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  553.521136]  [<ffffffffa00b0f59>] ? gen6_add_request+0x1e/0x147 [i915]
>[  553.521148]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  553.521161]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  553.521176]  [<ffffffffa006d100>] ? i915_gem_release_all_mmaps+0x6b/0x7e [i915]
>[  553.521188]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  553.521197]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  553.521202]  [<ffffffff8134dd85>] ? pty_write+0x44/0x4e
>[  553.521215]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  553.521220]  [<ffffffff8105b093>] ? __wake_up+0x35/0x46
>[  553.521225]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  553.521229]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  553.521233]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  553.521235] ---[ end trace 49a6f1aeeb445548 ]---
>[  553.521237] ------------[ cut here ]------------
>[  553.521247] WARNING: CPU: 0 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  553.521250] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  553.521276] CPU: 0 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  553.521279] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  553.521280]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  553.521286]  ffffffff810331ce 0000000000000009 ffffffffa005e9f8 ffff8800aa8c5630
>[  553.521290]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 0000000000000000
>[  553.521293] Call Trace:
>[  553.521298]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  553.521303]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  553.521314]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  553.521325]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  553.521338]  [<ffffffffa00b0f7e>] ? gen6_add_request+0x43/0x147 [i915]
>[  553.521351]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  553.521364]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  553.521376]  [<ffffffffa006d100>] ? i915_gem_release_all_mmaps+0x6b/0x7e [i915]
>[  553.521388]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  553.521397]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  553.521402]  [<ffffffff8134dd85>] ? pty_write+0x44/0x4e
>[  553.521414]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  553.521420]  [<ffffffff8105b093>] ? __wake_up+0x35/0x46
>[  553.521424]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  553.521428]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  553.521445]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  553.521447] ---[ end trace 49a6f1aeeb445549 ]---
>[  553.521462] ------------[ cut here ]------------
>[  553.521485] WARNING: CPU: 0 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  553.521497] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  553.521667] CPU: 0 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  553.521669] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  553.521671]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  553.521675]  ffffffff810331ce ffff8800a6b26cc0 ffffffffa005e9f8 0000000000000000
>[  553.521678]  0000000000000000 ffff8800aaab3380 ffff8800aa8c54b0 0000000000000000
>[  553.521682] Call Trace:
>[  553.521687]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  553.521693]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  553.521703]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  553.521713]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  553.521727]  [<ffffffffa006e5ae>] ? i915_gem_object_sync+0x46/0xba [i915]
>[  553.521741]  [<ffffffffa0075a62>] ? i915_gem_do_execbuffer.isra.15+0xae0/0xf86 [i915]
>[  553.521753]  [<ffffffffa006d100>] ? i915_gem_release_all_mmaps+0x6b/0x7e [i915]
>[  553.521766]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  553.521775]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  553.521779]  [<ffffffff8134dd85>] ? pty_write+0x44/0x4e
>[  553.521791]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  553.521799]  [<ffffffff8105b093>] ? __wake_up+0x35/0x46
>[  553.521803]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  553.521807]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  553.521811]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  553.521813] ---[ end trace 49a6f1aeeb44554a ]---
>[  553.521817] ------------[ cut here ]------------
>[  553.521827] WARNING: CPU: 0 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  553.521829] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  553.521858] CPU: 0 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  553.521860] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  553.521861]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  553.521865]  ffffffff810331ce 0000000000000009 ffffffffa005e9f8 0000000000000000
>[  553.521869]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 ffff8800aa8c54b0
>[  553.521872] Call Trace:
>[  553.521877]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  553.521882]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  553.521892]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  553.521903]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  553.521917]  [<ffffffffa00b0f59>] ? gen6_add_request+0x1e/0x147 [i915]
>[  553.521952]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  553.521986]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  553.522019]  [<ffffffffa006d100>] ? i915_gem_release_all_mmaps+0x6b/0x7e [i915]
>[  553.522052]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  553.522072]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  553.522077]  [<ffffffff8134dd85>] ? pty_write+0x44/0x4e
>[  553.522088]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  553.522094]  [<ffffffff8105b093>] ? __wake_up+0x35/0x46
>[  553.522100]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  553.522105]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  553.522108]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  553.522111] ---[ end trace 49a6f1aeeb44554b ]---
>[  553.522112] ------------[ cut here ]------------
>[  553.522122] WARNING: CPU: 0 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  553.522124] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  553.522150] CPU: 0 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  553.522152] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  553.522157]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  553.522160]  ffffffff810331ce 0000000000000009 ffffffffa005e9f8 0000000000000000
>[  553.522164]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 0000000000000000
>[  553.522167] Call Trace:
>[  553.522172]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  553.522177]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  553.522188]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  553.522198]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  553.522233]  [<ffffffffa00b0f7e>] ? gen6_add_request+0x43/0x147 [i915]
>[  553.522265]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  553.522292]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  553.522304]  [<ffffffffa006d100>] ? i915_gem_release_all_mmaps+0x6b/0x7e [i915]
>[  553.522316]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  553.522325]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  553.522329]  [<ffffffff8134dd85>] ? pty_write+0x44/0x4e
>[  553.522341]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  553.522349]  [<ffffffff8105b093>] ? __wake_up+0x35/0x46
>[  553.522353]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  553.522357]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  553.522382]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  553.522387] ---[ end trace 49a6f1aeeb44554c ]---
>[  553.522392] ------------[ cut here ]------------
>[  553.522402] WARNING: CPU: 0 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  553.522404] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  553.522445] CPU: 0 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  553.522447] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  553.522457]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  553.522461]  ffffffff810331ce ffff8800a6b26cc0 ffffffffa005e9f8 0000000000000000
>[  553.522465]  0000000000000000 ffff8800aaab3380 ffff8800aa8c57b0 0000000000000000
>[  553.522468] Call Trace:
>[  553.522483]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  553.522491]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  553.522506]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  553.522516]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  553.522529]  [<ffffffffa006e5ae>] ? i915_gem_object_sync+0x46/0xba [i915]
>[  553.522541]  [<ffffffffa0075a62>] ? i915_gem_do_execbuffer.isra.15+0xae0/0xf86 [i915]
>[  553.522553]  [<ffffffffa006d100>] ? i915_gem_release_all_mmaps+0x6b/0x7e [i915]
>[  553.522565]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  553.522576]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  553.522581]  [<ffffffff8134dd85>] ? pty_write+0x44/0x4e
>[  553.522592]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  553.522597]  [<ffffffff8105b093>] ? __wake_up+0x35/0x46
>[  553.522601]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  553.522605]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  553.522609]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  553.522611] ---[ end trace 49a6f1aeeb44554d ]---
>[  553.522615] ------------[ cut here ]------------
>[  553.522624] WARNING: CPU: 0 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  553.522626] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  553.522655] CPU: 0 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  553.522657] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  553.522659]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  553.522663]  ffffffff810331ce 0000000000000009 ffffffffa005e9f8 ffff8800aa8c57b0
>[  553.522666]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 ffff8800aa8c57b0
>[  553.522670] Call Trace:
>[  553.522675]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  553.522680]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  553.522690]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  553.522701]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  553.522717]  [<ffffffffa00b0f59>] ? gen6_add_request+0x1e/0x147 [i915]
>[  553.522729]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  553.522741]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  553.522753]  [<ffffffffa006d100>] ? i915_gem_release_all_mmaps+0x6b/0x7e [i915]
>[  553.522765]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  553.522776]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  553.522781]  [<ffffffff8134dd85>] ? pty_write+0x44/0x4e
>[  553.522793]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  553.522798]  [<ffffffff8105b093>] ? __wake_up+0x35/0x46
>[  553.522802]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  553.522806]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  553.522810]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  553.522812] ---[ end trace 49a6f1aeeb44554e ]---
>[  553.522814] ------------[ cut here ]------------
>[  553.522823] WARNING: CPU: 0 PID: 3638 at drivers/gpu/drm/i915/i915_drv.c:406 i915_semaphore_is_enabled+0x2f/0x4b [i915]()
>[  553.522825] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep bluetooth rfkill snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt iTCO_vendor_support joydev snd_page_alloc snd_timer lpc_ich snd i2c_i801 pcspkr soundcore mfd_core battery ac acpi_cpufreq uinput ipv6 i915 drm_kms_helper drm video button
>[  553.522854] CPU: 0 PID: 3638 Comm: gem_reset_stats Tainted: G        W    3.13.0_nightly_74007_72631patch_20140219+ #1
>[  553.522856] Hardware name: Intel Corporation Broadwell Client platform/SawTooth Peak, BIOS BDW-E1R1.86C.0053.R01.1312042022 12/04/2013
>[  553.522858]  0000000000000000 0000000000000009 ffffffff8170c67d 0000000000000000
>[  553.522861]  ffffffff810331ce 0000000000000009 ffffffffa005e9f8 ffff8800aa8c57b0
>[  553.522865]  0000000000000000 ffff8801484e8800 ffff8800aa8c4000 0000000000000000
>[  553.522869] Call Trace:
>[  553.522874]  [<ffffffff8170c67d>] ? dump_stack+0x41/0x51
>[  553.522879]  [<ffffffff810331ce>] ? warn_slowpath_common+0x73/0x8b
>[  553.522889]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  553.522901]  [<ffffffffa005e9f8>] ? i915_semaphore_is_enabled+0x2f/0x4b [i915]
>[  553.522915]  [<ffffffffa00b0f7e>] ? gen6_add_request+0x43/0x147 [i915]
>[  553.522927]  [<ffffffffa006d56c>] ? __i915_add_request+0x1f5/0x214 [i915]
>[  553.522939]  [<ffffffffa0075dbe>] ? i915_gem_do_execbuffer.isra.15+0xe3c/0xf86 [i915]
>[  553.522951]  [<ffffffffa006d100>] ? i915_gem_release_all_mmaps+0x6b/0x7e [i915]
>[  553.522965]  [<ffffffffa00763c2>] ? i915_gem_execbuffer2+0x150/0x1da [i915]
>[  553.522973]  [<ffffffffa000ff37>] ? drm_ioctl+0x263/0x385 [drm]
>[  553.522978]  [<ffffffff8134dd85>] ? pty_write+0x44/0x4e
>[  553.522989]  [<ffffffffa0076272>] ? i915_gem_execbuffer+0x36a/0x36a [i915]
>[  553.522995]  [<ffffffff8105b093>] ? __wake_up+0x35/0x46
>[  553.522998]  [<ffffffff810e9288>] ? do_vfs_ioctl+0x3f1/0x43a
>[  553.523002]  [<ffffffff810e931f>] ? SyS_ioctl+0x4e/0x7b
>[  553.523006]  [<ffffffff81716c62>] ? system_call_fastpath+0x16/0x1b
>[  553.523008] ---[ end trace 49a6f1aeeb44554f ]---
>[  553.523087] [drm:intel_crtc_cursor_set], cursor off
>[  553.523092] [drm:intel_crtc_set_config], [CRTC:3] [FB:24] #connectors=1 (x y) (0 0)
>[  553.523097] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:3], mode_changed=0, fb_changed=0
>[  553.523101] [drm:intel_modeset_stage_output_state], [CONNECTOR:10:eDP-1] to [CRTC:3]
>[  553.523105] [drm:intel_crtc_cursor_set], cursor off
>[  553.523108] [drm:intel_crtc_set_config], [CRTC:5] [NOFB]
>[  553.523111] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:5], mode_changed=0, fb_changed=0
>[  553.523114] [drm:intel_modeset_stage_output_state], [CONNECTOR:10:eDP-1] to [CRTC:3]
>[  553.523117] [drm:intel_crtc_cursor_set], cursor off
>[  553.523119] [drm:intel_crtc_set_config], [CRTC:7] [NOFB]
>[  553.523122] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:7], mode_changed=0, fb_changed=0
>[  553.523127] [drm:intel_modeset_stage_output_state], [CONNECTOR:10:eDP-1] to [CRTC:3]
>[  609.065499] [drm:intel_panel_actually_set_backlight], set backlight PWM = 0
>[  609.065506] [drm:intel_edp_backlight_off], 
>[  609.081679] [drm:intel_edp_panel_off], Turn eDP power off
>[  609.266383] [drm:wait_panel_off], Wait for panel power off time
>[  609.266389] [drm:wait_panel_status], mask b0000000 value 00000000 status 80000008 control abcd0000
>[  609.321359] [drm:wait_panel_status], Wait complete
>[  609.321374] [drm:check_encoder_state], [ENCODER:9:TMDS-9]
>[  609.321377] [drm:check_encoder_state], [ENCODER:18:TMDS-18]
>[  609.321380] [drm:check_encoder_state], [ENCODER:21:TMDS-21]
>[  609.321383] [drm:check_crtc_state], [CRTC:3]
>[  609.321387] [drm:check_crtc_state], [CRTC:5]
>[  609.321389] [drm:check_crtc_state], [CRTC:7]
>[  609.321396] [drm:intel_backlight_device_update_status], updating intel_backlight, brightness=937/937

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Attachments on bug 74007: 92707 | 93919 | 94294 | 94295 | 94324 | 95292

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