On 09/18/2014 06:21 PM, Mauro Carvalho Chehab wrote: > Em Wed, 17 Sep 2014 18:06:02 +0200 > Hans Verkuil <hverkuil@xxxxxxxxx> escreveu: > >> On 09/17/2014 11:14 AM, Hans Verkuil wrote: >>> This fixes the VBI regression seen in saa7134 when it was converted >>> to vb2. Tested with my saa7134 board. >>> >>> It also updates the poll documentation and fixes a saa7134 bug where >>> the WSS signal was never captured. >>> >>> The first patch should go to 3.17. It won't apply to older kernels, >>> so I guess once this is merged we should post a patch to stable for >>> those older kernels, certainly 3.16. >>> >>> I would expect this to be an issue for em28xx as well, but I will >>> need to test that. If that driver is affected as well, then this >>> fix needs to go into 3.9 and up. >> >> Update: the VBI apps won't work with the em28xx driver as I suspected. >> With the fix all is fine for em28xx. > > At least here, em28xx with one application (xawtv or qv4l2) reading > at video0 and another one for vbi (mtt or zvbi), I'm getting the > errors below. Clearly, it is not just the poll syscall that it is > wrong on VB2 and/or em28xx. > > I'm trying to identify what else is wrong there. At least the queue_cancel warning is fixed by this: https://www.mail-archive.com/linux-media@xxxxxxxxxxxxxxx/msg78063.html which is in the devel branch but not in the master branch. Regards, Hans > > Regards, > Mauro > > [63271.912808] ------------[ cut here ]------------ > [63271.912832] WARNING: CPU: 5 PID: 14761 at drivers/media/v4l2-core/videobuf2-core.c:2126 __vb2_queue_cancel+0x1b1/0x260 [videobuf2_core]() > [63271.912835] Modules linked in: rc_hauppauge em28xx_rc rc_core lgdt330x em28xx_dvb dvb_core em28xx_alsa tuner_xc2028 tuner tvp5150 em28xx_v4l em28xx tveeprom fuse ip6table_filter ip6_tables bnep binfmt_misc vfat fat nouveau x86_pkg_temp_thermal coretemp kvm_intel kvm arc4 iwldvm mac80211 i915 uvcvideo iwlwifi ttm videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel crct10dif_pclmul media cfg80211 snd_hda_controller iTCO_wdt mxm_wmi i2c_algo_bit drm_kms_helper drm crc32_pclmul crc32c_intel ghash_clmulni_intel snd_hda_codec snd_hwdep iTCO_vendor_support btusb bluetooth snd_seq snd_seq_device snd_pcm snd_timer snd soundcore mei_me mei joydev i2c_i801 serio_raw microcode rfkill i2c_core lpc_ich mfd_core shpchp > [63271.913037] wmi video r8169 mii > [63271.913048] CPU: 5 PID: 14761 Comm: xawtv Not tainted 3.16.0-rc6+ #23 > [63271.913055] Hardware name: SAMSUNG ELECTRONICS CO., LTD. 550P5C/550P7C/SAMSUNG_NP1234567890, BIOS P05ABI.016.130917.dg 09/17/2013 > [63271.913059] 0000000000000000 00000000051c953c ffff8800c4957c08 ffffffff816f523f > [63271.913067] 0000000000000000 ffff8800c4957c40 ffffffff8108be8d 0000000000000000 > [63271.913072] 0000000000000001 ffff8800c5488948 ffff88003dd35500 0000000000000000 > [63271.913081] Call Trace: > [63271.913098] [<ffffffff816f523f>] dump_stack+0x45/0x56 > [63271.913108] [<ffffffff8108be8d>] warn_slowpath_common+0x7d/0xa0 > [63271.913115] [<ffffffff8108bfba>] warn_slowpath_null+0x1a/0x20 > [63271.913137] [<ffffffffa0319951>] __vb2_queue_cancel+0x1b1/0x260 [videobuf2_core] > [63271.913155] [<ffffffffa031a2c5>] vb2_internal_streamoff+0x35/0x90 [videobuf2_core] > [63271.913171] [<ffffffffa031a355>] vb2_streamoff+0x35/0x60 [videobuf2_core] > [63271.913184] [<ffffffffa031a3c8>] vb2_ioctl_streamoff+0x48/0x50 [videobuf2_core] > [63271.913200] [<ffffffffa02f0a8a>] v4l_streamoff+0x1a/0x20 [videodev] > [63271.913215] [<ffffffffa02f39c4>] __video_do_ioctl+0x294/0x310 [videodev] > [63271.913231] [<ffffffffa02f63be>] video_usercopy+0x22e/0x5b0 [videodev] > [63271.913244] [<ffffffffa02f3730>] ? v4l_dbg_s_register+0x150/0x150 [videodev] > [63271.913258] [<ffffffff810d26f1>] ? remove_wait_queue+0x31/0x40 > [63271.913269] [<ffffffff81425f92>] ? n_tty_write+0x392/0x510 > [63271.913283] [<ffffffffa02f6755>] video_ioctl2+0x15/0x20 [videodev] > [63271.913295] [<ffffffffa02ef71b>] v4l2_ioctl+0x11b/0x150 [videodev] > [63271.913304] [<ffffffff81200640>] do_vfs_ioctl+0x2e0/0x4a0 > [63271.913310] [<ffffffff81200881>] SyS_ioctl+0x81/0xa0 > [63271.913319] [<ffffffff81122656>] ? __audit_syscall_exit+0x1f6/0x2a0 > [63271.913328] [<ffffffff816fc869>] system_call_fastpath+0x16/0x1b > [63271.913333] ---[ end trace 9381964a5237f703 ]--- > [63276.841245] ------------[ cut here ]------------ > [63276.841256] WARNING: CPU: 1 PID: 1495 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x64/0x80() > [63276.841258] sysfs: cannot create duplicate filename '/devices/pci0000:00/0000:00:14.0/usb3/3-2/3-2:1.0/ep_81' > [63276.841260] Modules linked in: rc_hauppauge em28xx_rc rc_core lgdt330x em28xx_dvb dvb_core em28xx_alsa tuner_xc2028 tuner tvp5150 em28xx_v4l em28xx tveeprom fuse ip6table_filter ip6_tables bnep binfmt_misc vfat fat nouveau x86_pkg_temp_thermal coretemp kvm_intel kvm arc4 iwldvm mac80211 i915 uvcvideo iwlwifi ttm videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel crct10dif_pclmul media cfg80211 snd_hda_controller iTCO_wdt mxm_wmi i2c_algo_bit drm_kms_helper drm crc32_pclmul crc32c_intel ghash_clmulni_intel snd_hda_codec snd_hwdep iTCO_vendor_support btusb bluetooth snd_seq snd_seq_device snd_pcm snd_timer snd soundcore mei_me mei joydev i2c_i801 serio_raw microcode rfkill i2c_core lpc_ich mfd_core shpchp > [63276.841326] wmi video r8169 mii > [63276.841333] CPU: 1 PID: 1495 Comm: pulseaudio Tainted: G W 3.16.0-rc6+ #23 > [63276.841335] Hardware name: SAMSUNG ELECTRONICS CO., LTD. 550P5C/550P7C/SAMSUNG_NP1234567890, BIOS P05ABI.016.130917.dg 09/17/2013 > [63276.841337] 0000000000000000 0000000036bcbe1b ffff8800c1a137e8 ffffffff816f523f > [63276.841342] ffff8800c1a13830 ffff8800c1a13820 ffffffff8108be8d ffff8800c7896000 > [63276.841345] ffff8800c7e07ea0 ffff8802217877f8 ffff880219ca4c10 ffff88021a763c58 > [63276.841349] Call Trace: > [63276.841359] [<ffffffff816f523f>] dump_stack+0x45/0x56 > [63276.841364] [<ffffffff8108be8d>] warn_slowpath_common+0x7d/0xa0 > [63276.841368] [<ffffffff8108bf0c>] warn_slowpath_fmt+0x5c/0x80 > [63276.841373] [<ffffffff81262b98>] ? kernfs_path+0x48/0x60 > [63276.841376] [<ffffffff812662a4>] sysfs_warn_dup+0x64/0x80 > [63276.841380] [<ffffffff8126634e>] sysfs_create_dir_ns+0x8e/0xa0 > [63276.841387] [<ffffffff8135837f>] kobject_add_internal+0xbf/0x3f0 > [63276.841391] [<ffffffff81358b75>] kobject_add+0x75/0xd0 > [63276.841396] [<ffffffff81462ae3>] ? device_private_init+0x23/0x80 > [63276.841400] [<ffffffff81462c65>] device_add+0x125/0x630 > [63276.841403] [<ffffffff8146318a>] device_register+0x1a/0x20 > [63276.841410] [<ffffffff814f2fa1>] usb_create_ep_devs+0x81/0xd0 > [63276.841414] [<ffffffff814ec2c5>] ? usb_enable_endpoint+0x85/0x90 > [63276.841418] [<ffffffff814eb69d>] create_intf_ep_devs+0x5d/0x80 > [63276.841421] [<ffffffff814ec585>] usb_set_interface+0x255/0x380 > [63276.841428] [<ffffffffa061c0a8>] snd_em28xx_capture_open+0x218/0x2d0 [em28xx_alsa] > [63276.841439] [<ffffffffa012e835>] snd_pcm_open_substream+0x85/0x140 [snd_pcm] > [63276.841448] [<ffffffffa012e9b2>] snd_pcm_open+0xc2/0x270 [snd_pcm] > [63276.841454] [<ffffffff811d117c>] ? kmem_cache_alloc_trace+0x3c/0x200 > [63276.841463] [<ffffffffa0100d7a>] ? snd_card_file_add+0x2a/0xd0 [snd] > [63276.841469] [<ffffffff810bf570>] ? wake_up_state+0x20/0x20 > [63276.841478] [<ffffffffa012eba3>] snd_pcm_capture_open+0x43/0x70 [snd_pcm] > [63276.841486] [<ffffffffa0100594>] snd_open+0xb4/0x190 [snd] > [63276.841494] [<ffffffff811f1e79>] chrdev_open+0xb9/0x1a0 > [63276.841498] [<ffffffff811ea7bf>] do_dentry_open+0x1ff/0x340 > [63276.841503] [<ffffffff811f1dc0>] ? cdev_put+0x30/0x30 > [63276.841506] [<ffffffff811eaad1>] finish_open+0x31/0x40 > [63276.841510] [<ffffffff811fca24>] do_last+0xa64/0x1190 > [63276.841514] [<ffffffff811f8d01>] ? link_path_walk+0x81/0x880 > [63276.841518] [<ffffffff811d1316>] ? kmem_cache_alloc_trace+0x1d6/0x200 > [63276.841524] [<ffffffff812edecc>] ? selinux_file_alloc_security+0x3c/0x60 > [63276.841529] [<ffffffff811fd21d>] path_openat+0xcd/0x670 > [63276.841532] [<ffffffff811f8779>] ? putname+0x29/0x40 > [63276.841536] [<ffffffff811fdf02>] ? user_path_at_empty+0x72/0xc0 > [63276.841540] [<ffffffff811fe01d>] do_filp_open+0x4d/0xb0 > [63276.841546] [<ffffffff8120a9fd>] ? __alloc_fd+0x7d/0x120 > [63276.841549] [<ffffffff811ec557>] do_sys_open+0x137/0x240 > [63276.841553] [<ffffffff811ec67e>] SyS_open+0x1e/0x20 > [63276.841558] [<ffffffff816fc869>] system_call_fastpath+0x16/0x1b > [63276.841561] ---[ end trace 9381964a5237f704 ]--- > [63276.841563] ------------[ cut here ]------------ > [63276.841568] WARNING: CPU: 1 PID: 1495 at lib/kobject.c:240 kobject_add_internal+0x284/0x3f0() > [63276.841570] kobject_add_internal failed for ep_81 with -EEXIST, don't try to register things with the same name in the same directory. > [63276.841572] Modules linked in: rc_hauppauge em28xx_rc rc_core lgdt330x em28xx_dvb dvb_core em28xx_alsa tuner_xc2028 tuner tvp5150 em28xx_v4l em28xx tveeprom fuse ip6table_filter ip6_tables bnep binfmt_misc vfat fat nouveau x86_pkg_temp_thermal coretemp kvm_intel kvm arc4 iwldvm mac80211 i915 uvcvideo iwlwifi ttm videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel crct10dif_pclmul media cfg80211 snd_hda_controller iTCO_wdt mxm_wmi i2c_algo_bit drm_kms_helper drm crc32_pclmul crc32c_intel ghash_clmulni_intel snd_hda_codec snd_hwdep iTCO_vendor_support btusb bluetooth snd_seq snd_seq_device snd_pcm snd_timer snd soundcore mei_me mei joydev i2c_i801 serio_raw microcode rfkill i2c_core lpc_ich mfd_core shpchp > [63276.841619] wmi video r8169 mii > [63276.841624] CPU: 1 PID: 1495 Comm: pulseaudio Tainted: G W 3.16.0-rc6+ #23 > [63276.841626] Hardware name: SAMSUNG ELECTRONICS CO., LTD. 550P5C/550P7C/SAMSUNG_NP1234567890, BIOS P05ABI.016.130917.dg 09/17/2013 > [63276.841627] 0000000000000000 0000000036bcbe1b ffff8800c1a13838 ffffffff816f523f > [63276.841631] ffff8800c1a13880 ffff8800c1a13870 ffffffff8108be8d ffff880219ca4c20 > [63276.841634] 00000000ffffffef ffff88021a364040 ffff880219ca4c10 ffff88021a763c58 > [63276.841638] Call Trace: > [63276.841642] [<ffffffff816f523f>] dump_stack+0x45/0x56 > [63276.841646] [<ffffffff8108be8d>] warn_slowpath_common+0x7d/0xa0 > [63276.841649] [<ffffffff8108bf0c>] warn_slowpath_fmt+0x5c/0x80 > [63276.841654] [<ffffffff81358544>] kobject_add_internal+0x284/0x3f0 > [63276.841658] [<ffffffff81358b75>] kobject_add+0x75/0xd0 > [63276.841661] [<ffffffff81462ae3>] ? device_private_init+0x23/0x80 > [63276.841665] [<ffffffff81462c65>] device_add+0x125/0x630 > [63276.841679] [<ffffffff8146318a>] device_register+0x1a/0x20 > [63276.841684] [<ffffffff814f2fa1>] usb_create_ep_devs+0x81/0xd0 > [63276.841688] [<ffffffff814ec2c5>] ? usb_enable_endpoint+0x85/0x90 > [63276.841692] [<ffffffff814eb69d>] create_intf_ep_devs+0x5d/0x80 > [63276.841707] [<ffffffff814ec585>] usb_set_interface+0x255/0x380 > [63276.841712] [<ffffffffa061c0a8>] snd_em28xx_capture_open+0x218/0x2d0 [em28xx_alsa] > [63276.841732] [<ffffffffa012e835>] snd_pcm_open_substream+0x85/0x140 [snd_pcm] > [63276.841741] [<ffffffffa012e9b2>] snd_pcm_open+0xc2/0x270 [snd_pcm] > [63276.841746] [<ffffffff811d117c>] ? kmem_cache_alloc_trace+0x3c/0x200 > [63276.841755] [<ffffffffa0100d7a>] ? snd_card_file_add+0x2a/0xd0 [snd] > [63276.841761] [<ffffffff810bf570>] ? wake_up_state+0x20/0x20 > [63276.841770] [<ffffffffa012eba3>] snd_pcm_capture_open+0x43/0x70 [snd_pcm] > [63276.841779] [<ffffffffa0100594>] snd_open+0xb4/0x190 [snd] > [63276.841787] [<ffffffff811f1e79>] chrdev_open+0xb9/0x1a0 > [63276.841791] [<ffffffff811ea7bf>] do_dentry_open+0x1ff/0x340 > [63276.841796] [<ffffffff811f1dc0>] ? cdev_put+0x30/0x30 > [63276.841800] [<ffffffff811eaad1>] finish_open+0x31/0x40 > [63276.841804] [<ffffffff811fca24>] do_last+0xa64/0x1190 > [63276.841808] [<ffffffff811f8d01>] ? link_path_walk+0x81/0x880 > [63276.841813] [<ffffffff811d1316>] ? kmem_cache_alloc_trace+0x1d6/0x200 > [63276.841818] [<ffffffff812edecc>] ? selinux_file_alloc_security+0x3c/0x60 > [63276.841823] [<ffffffff811fd21d>] path_openat+0xcd/0x670 > [63276.841827] [<ffffffff811f8779>] ? putname+0x29/0x40 > [63276.841831] [<ffffffff811fdf02>] ? user_path_at_empty+0x72/0xc0 > [63276.841836] [<ffffffff811fe01d>] do_filp_open+0x4d/0xb0 > [63276.841841] [<ffffffff8120a9fd>] ? __alloc_fd+0x7d/0x120 > [63276.841846] [<ffffffff811ec557>] do_sys_open+0x137/0x240 > [63276.841850] [<ffffffff811ec67e>] SyS_open+0x1e/0x20 > [63276.841855] [<ffffffff816fc869>] system_call_fastpath+0x16/0x1b > [63276.841857] ---[ end trace 9381964a5237f705 ]--- > [63276.841867] ------------[ cut here ]------------ > [63276.841872] WARNING: CPU: 1 PID: 1495 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x64/0x80() > [63276.841874] sysfs: cannot create duplicate filename '/devices/pci0000:00/0000:00:14.0/usb3/3-2/3-2:1.0/ep_82' > [63276.841875] Modules linked in: rc_hauppauge em28xx_rc rc_core lgdt330x em28xx_dvb dvb_core em28xx_alsa tuner_xc2028 tuner tvp5150 em28xx_v4l em28xx tveeprom fuse ip6table_filter ip6_tables bnep binfmt_misc vfat fat nouveau x86_pkg_temp_thermal coretemp kvm_intel kvm arc4 iwldvm mac80211 i915 uvcvideo iwlwifi ttm videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel crct10dif_pclmul media cfg80211 snd_hda_controller iTCO_wdt mxm_wmi i2c_algo_bit drm_kms_helper drm crc32_pclmul crc32c_intel ghash_clmulni_intel snd_hda_codec snd_hwdep iTCO_vendor_support btusb bluetooth snd_seq snd_seq_device snd_pcm snd_timer snd soundcore mei_me mei joydev i2c_i801 serio_raw microcode rfkill i2c_core lpc_ich mfd_core shpchp > [63276.841930] wmi video r8169 mii > [63276.841935] CPU: 1 PID: 1495 Comm: pulseaudio Tainted: G W 3.16.0-rc6+ #23 > [63276.841937] Hardware name: SAMSUNG ELECTRONICS CO., LTD. 550P5C/550P7C/SAMSUNG_NP1234567890, BIOS P05ABI.016.130917.dg 09/17/2013 > [63276.841939] 0000000000000000 0000000036bcbe1b ffff8800c1a137e8 ffffffff816f523f > [63276.841943] ffff8800c1a13830 ffff8800c1a13820 ffffffff8108be8d ffff8800c7896000 > [63276.841947] ffff8800c7e07ea0 ffff8802217877f8 ffff880219ca4c10 ffff88021a763c58 > [63276.841951] Call Trace: > [63276.841957] [<ffffffff816f523f>] dump_stack+0x45/0x56 > [63276.841961] [<ffffffff8108be8d>] warn_slowpath_common+0x7d/0xa0 > [63276.841965] [<ffffffff8108bf0c>] warn_slowpath_fmt+0x5c/0x80 > [63276.841970] [<ffffffff81262b98>] ? kernfs_path+0x48/0x60 > [63276.841973] [<ffffffff812662a4>] sysfs_warn_dup+0x64/0x80 > [63276.841977] [<ffffffff8126634e>] sysfs_create_dir_ns+0x8e/0xa0 > [63276.841983] [<ffffffff8135837f>] kobject_add_internal+0xbf/0x3f0 > [63276.842028] [<ffffffff81358b75>] kobject_add+0x75/0xd0 > [63276.842045] [<ffffffff81462ae3>] ? device_private_init+0x23/0x80 > [63276.842081] [<ffffffff81462c65>] device_add+0x125/0x630 > [63276.842101] [<ffffffff8146318a>] device_register+0x1a/0x20 > [63276.842123] [<ffffffff814f2fa1>] usb_create_ep_devs+0x81/0xd0 > [63276.842145] [<ffffffff814eb69d>] create_intf_ep_devs+0x5d/0x80 > [63276.842166] [<ffffffff814ec585>] usb_set_interface+0x255/0x380 > [63276.842201] [<ffffffffa061c0a8>] snd_em28xx_capture_open+0x218/0x2d0 [em28xx_alsa] > [63276.842225] [<ffffffffa012e835>] snd_pcm_open_substream+0x85/0x140 [snd_pcm] > [63276.842249] [<ffffffffa012e9b2>] snd_pcm_open+0xc2/0x270 [snd_pcm] > [63276.842267] [<ffffffff811d117c>] ? kmem_cache_alloc_trace+0x3c/0x200 > [63276.842278] [<ffffffffa0100d7a>] ? snd_card_file_add+0x2a/0xd0 [snd] > [63276.842288] [<ffffffff810bf570>] ? wake_up_state+0x20/0x20 > [63276.842300] [<ffffffffa012eba3>] snd_pcm_capture_open+0x43/0x70 [snd_pcm] > [63276.842311] [<ffffffffa0100594>] snd_open+0xb4/0x190 [snd] > [63276.842321] [<ffffffff811f1e79>] chrdev_open+0xb9/0x1a0 > [63276.842327] [<ffffffff811ea7bf>] do_dentry_open+0x1ff/0x340 > [63276.842333] [<ffffffff811f1dc0>] ? cdev_put+0x30/0x30 > [63276.842338] [<ffffffff811eaad1>] finish_open+0x31/0x40 > [63276.842343] [<ffffffff811fca24>] do_last+0xa64/0x1190 > [63276.842349] [<ffffffff811f8d01>] ? link_path_walk+0x81/0x880 > [63276.842355] [<ffffffff811d1316>] ? kmem_cache_alloc_trace+0x1d6/0x200 > [63276.842361] [<ffffffff812edecc>] ? selinux_file_alloc_security+0x3c/0x60 > [63276.842367] [<ffffffff811fd21d>] path_openat+0xcd/0x670 > [63276.842373] [<ffffffff811f8779>] ? putname+0x29/0x40 > [63276.842378] [<ffffffff811fdf02>] ? user_path_at_empty+0x72/0xc0 > [63276.842384] [<ffffffff811fe01d>] do_filp_open+0x4d/0xb0 > [63276.842391] [<ffffffff8120a9fd>] ? __alloc_fd+0x7d/0x120 > [63276.842396] [<ffffffff811ec557>] do_sys_open+0x137/0x240 > [63276.842402] [<ffffffff811ec67e>] SyS_open+0x1e/0x20 > [63276.842408] [<ffffffff816fc869>] system_call_fastpath+0x16/0x1b > [63276.842412] ---[ end trace 9381964a5237f706 ]--- > [63276.842415] ------------[ cut here ]------------ > [63276.842422] WARNING: CPU: 1 PID: 1495 at lib/kobject.c:240 kobject_add_internal+0x284/0x3f0() > [63276.842425] kobject_add_internal failed for ep_82 with -EEXIST, don't try to register things with the same name in the same directory. > [63276.842428] Modules linked in: rc_hauppauge em28xx_rc rc_core lgdt330x em28xx_dvb dvb_core em28xx_alsa tuner_xc2028 tuner tvp5150 em28xx_v4l em28xx tveeprom fuse ip6table_filter ip6_tables bnep binfmt_misc vfat fat nouveau x86_pkg_temp_thermal coretemp kvm_intel kvm arc4 iwldvm mac80211 i915 uvcvideo iwlwifi ttm videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel crct10dif_pclmul media cfg80211 snd_hda_controller iTCO_wdt mxm_wmi i2c_algo_bit drm_kms_helper drm crc32_pclmul crc32c_intel ghash_clmulni_intel snd_hda_codec snd_hwdep iTCO_vendor_support btusb bluetooth snd_seq snd_seq_device snd_pcm snd_timer snd soundcore mei_me mei joydev i2c_i801 serio_raw microcode rfkill i2c_core lpc_ich mfd_core shpchp > [63276.842499] wmi video r8169 mii > [63276.842506] CPU: 1 PID: 1495 Comm: pulseaudio Tainted: G W 3.16.0-rc6+ #23 > [63276.842509] Hardware name: SAMSUNG ELECTRONICS CO., LTD. 550P5C/550P7C/SAMSUNG_NP1234567890, BIOS P05ABI.016.130917.dg 09/17/2013 > [63276.842512] 0000000000000000 0000000036bcbe1b ffff8800c1a13838 ffffffff816f523f > [63276.842516] ffff8800c1a13880 ffff8800c1a13870 ffffffff8108be8d ffff880219ca4c20 > [63276.842521] 00000000ffffffef ffff88021a364040 ffff880219ca4c10 ffff88021a763c58 > [63276.842528] Call Trace: > [63276.842535] [<ffffffff816f523f>] dump_stack+0x45/0x56 > [63276.842541] [<ffffffff8108be8d>] warn_slowpath_common+0x7d/0xa0 > [63276.842546] [<ffffffff8108bf0c>] warn_slowpath_fmt+0x5c/0x80 > [63276.842564] [<ffffffff81358544>] kobject_add_internal+0x284/0x3f0 > [63276.842585] [<ffffffff81358b75>] kobject_add+0x75/0xd0 > [63276.842603] [<ffffffff81462ae3>] ? device_private_init+0x23/0x80 > [63276.842622] [<ffffffff81462c65>] device_add+0x125/0x630 > [63276.842638] [<ffffffff8146318a>] device_register+0x1a/0x20 > [63276.842658] [<ffffffff814f2fa1>] usb_create_ep_devs+0x81/0xd0 > [63276.842677] [<ffffffff814eb69d>] create_intf_ep_devs+0x5d/0x80 > [63276.842694] [<ffffffff814ec585>] usb_set_interface+0x255/0x380 > [63276.842715] [<ffffffffa061c0a8>] snd_em28xx_capture_open+0x218/0x2d0 [em28xx_alsa] > [63276.842734] [<ffffffffa012e835>] snd_pcm_open_substream+0x85/0x140 [snd_pcm] > [63276.842747] [<ffffffffa012e9b2>] snd_pcm_open+0xc2/0x270 [snd_pcm] > [63276.842754] [<ffffffff811d117c>] ? kmem_cache_alloc_trace+0x3c/0x200 > [63276.842764] [<ffffffffa0100d7a>] ? snd_card_file_add+0x2a/0xd0 [snd] > [63276.842771] [<ffffffff810bf570>] ? wake_up_state+0x20/0x20 > [63276.842784] [<ffffffffa012eba3>] snd_pcm_capture_open+0x43/0x70 [snd_pcm] > [63276.842795] [<ffffffffa0100594>] snd_open+0xb4/0x190 [snd] > [63276.842804] [<ffffffff811f1e79>] chrdev_open+0xb9/0x1a0 > [63276.842809] [<ffffffff811ea7bf>] do_dentry_open+0x1ff/0x340 > [63276.842815] [<ffffffff811f1dc0>] ? cdev_put+0x30/0x30 > [63276.842820] [<ffffffff811eaad1>] finish_open+0x31/0x40 > [63276.842826] [<ffffffff811fca24>] do_last+0xa64/0x1190 > [63276.842831] [<ffffffff811f8d01>] ? link_path_walk+0x81/0x880 > [63276.842839] [<ffffffff811d1316>] ? kmem_cache_alloc_trace+0x1d6/0x200 > [63276.842845] [<ffffffff812edecc>] ? selinux_file_alloc_security+0x3c/0x60 > [63276.842852] [<ffffffff811fd21d>] path_openat+0xcd/0x670 > [63276.842857] [<ffffffff811f8779>] ? putname+0x29/0x40 > [63276.842863] [<ffffffff811fdf02>] ? user_path_at_empty+0x72/0xc0 > [63276.842868] [<ffffffff811fe01d>] do_filp_open+0x4d/0xb0 > [63276.842877] [<ffffffff8120a9fd>] ? __alloc_fd+0x7d/0x120 > [63276.842882] [<ffffffff811ec557>] do_sys_open+0x137/0x240 > [63276.842887] [<ffffffff811ec67e>] SyS_open+0x1e/0x20 > [63276.842893] [<ffffffff816fc869>] system_call_fastpath+0x16/0x1b > [63276.842897] ---[ end trace 9381964a5237f707 ]--- > [63276.842909] ------------[ cut here ]------------ > [63276.842914] WARNING: CPU: 1 PID: 1495 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x64/0x80() > [63276.842918] sysfs: cannot create duplicate filename '/devices/pci0000:00/0000:00:14.0/usb3/3-2/3-2:1.0/ep_83' > [63276.842920] Modules linked in: rc_hauppauge em28xx_rc rc_core lgdt330x em28xx_dvb dvb_core em28xx_alsa tuner_xc2028 tuner tvp5150 em28xx_v4l em28xx tveeprom fuse ip6table_filter ip6_tables bnep binfmt_misc vfat fat nouveau x86_pkg_temp_thermal coretemp kvm_intel kvm arc4 iwldvm mac80211 i915 uvcvideo iwlwifi ttm videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel crct10dif_pclmul media cfg80211 snd_hda_controller iTCO_wdt mxm_wmi i2c_algo_bit drm_kms_helper drm crc32_pclmul crc32c_intel ghash_clmulni_intel snd_hda_codec snd_hwdep iTCO_vendor_support btusb bluetooth snd_seq snd_seq_device snd_pcm snd_timer snd soundcore mei_me mei joydev i2c_i801 serio_raw microcode rfkill i2c_core lpc_ich mfd_core shpchp > [63276.843045] wmi video r8169 mii > [63276.843052] CPU: 1 PID: 1495 Comm: pulseaudio Tainted: G W 3.16.0-rc6+ #23 > [63276.843056] Hardware name: SAMSUNG ELECTRONICS CO., LTD. 550P5C/550P7C/SAMSUNG_NP1234567890, BIOS P05ABI.016.130917.dg 09/17/2013 > [63276.843059] 0000000000000000 0000000036bcbe1b ffff8800c1a137e8 ffffffff816f523f > [63276.843065] ffff8800c1a13830 ffff8800c1a13820 ffffffff8108be8d ffff8800c7896000 > [63276.843070] ffff8800c7e07ea0 ffff8802217877f8 ffff880219ca4c10 ffff88021a763c58 > [63276.843086] Call Trace: > [63276.843098] [<ffffffff816f523f>] dump_stack+0x45/0x56 > [63276.843104] [<ffffffff8108be8d>] warn_slowpath_common+0x7d/0xa0 > [63276.843109] [<ffffffff8108bf0c>] warn_slowpath_fmt+0x5c/0x80 > [63276.843115] [<ffffffff81262b98>] ? kernfs_path+0x48/0x60 > [63276.843122] [<ffffffff812662a4>] sysfs_warn_dup+0x64/0x80 > [63276.843134] [<ffffffff8126634e>] sysfs_create_dir_ns+0x8e/0xa0 > [63276.843141] [<ffffffff8135837f>] kobject_add_internal+0xbf/0x3f0 > [63276.843147] [<ffffffff81358b75>] kobject_add+0x75/0xd0 > [63276.843157] [<ffffffff81462ae3>] ? device_private_init+0x23/0x80 > [63276.843163] [<ffffffff81462c65>] device_add+0x125/0x630 > [63276.843171] [<ffffffff8146318a>] device_register+0x1a/0x20 > [63276.843182] [<ffffffff814f2fa1>] usb_create_ep_devs+0x81/0xd0 > [63276.843188] [<ffffffff814eb69d>] create_intf_ep_devs+0x5d/0x80 > [63276.843193] [<ffffffff814ec585>] usb_set_interface+0x255/0x380 > [63276.843204] [<ffffffffa061c0a8>] snd_em28xx_capture_open+0x218/0x2d0 [em28xx_alsa] > [63276.843217] [<ffffffffa012e835>] snd_pcm_open_substream+0x85/0x140 [snd_pcm] > [63276.843232] [<ffffffffa012e9b2>] snd_pcm_open+0xc2/0x270 [snd_pcm] > [63276.843238] [<ffffffff811d117c>] ? kmem_cache_alloc_trace+0x3c/0x200 > [63276.843247] [<ffffffffa0100d7a>] ? snd_card_file_add+0x2a/0xd0 [snd] > [63276.843254] [<ffffffff810bf570>] ? wake_up_state+0x20/0x20 > [63276.843262] [<ffffffffa012eba3>] snd_pcm_capture_open+0x43/0x70 [snd_pcm] > [63276.843270] [<ffffffffa0100594>] snd_open+0xb4/0x190 [snd] > [63276.843277] [<ffffffff811f1e79>] chrdev_open+0xb9/0x1a0 > [63276.843280] [<ffffffff811ea7bf>] do_dentry_open+0x1ff/0x340 > [63276.843284] [<ffffffff811f1dc0>] ? cdev_put+0x30/0x30 > [63276.843287] [<ffffffff811eaad1>] finish_open+0x31/0x40 > [63276.843293] [<ffffffff811fca24>] do_last+0xa64/0x1190 > [63276.843296] [<ffffffff811f8d01>] ? link_path_walk+0x81/0x880 > [63276.843300] [<ffffffff811d1316>] ? kmem_cache_alloc_trace+0x1d6/0x200 > [63276.843305] [<ffffffff812edecc>] ? selinux_file_alloc_security+0x3c/0x60 > [63276.843309] [<ffffffff811fd21d>] path_openat+0xcd/0x670 > [63276.843312] [<ffffffff811f8779>] ? putname+0x29/0x40 > [63276.843316] [<ffffffff811fdf02>] ? user_path_at_empty+0x72/0xc0 > [63276.843320] [<ffffffff811fe01d>] do_filp_open+0x4d/0xb0 > [63276.843325] [<ffffffff8120a9fd>] ? __alloc_fd+0x7d/0x120 > [63276.843330] [<ffffffff811ec557>] do_sys_open+0x137/0x240 > [63276.843334] [<ffffffff811ec67e>] SyS_open+0x1e/0x20 > [63276.843338] [<ffffffff816fc869>] system_call_fastpath+0x16/0x1b > [63276.843340] ---[ end trace 9381964a5237f708 ]--- > [63276.843342] ------------[ cut here ]------------ > [63276.843347] WARNING: CPU: 1 PID: 1495 at lib/kobject.c:240 kobject_add_internal+0x284/0x3f0() > [63276.843349] kobject_add_internal failed for ep_83 with -EEXIST, don't try to register things with the same name in the same directory. > [63276.843350] Modules linked in: rc_hauppauge em28xx_rc rc_core lgdt330x em28xx_dvb dvb_core em28xx_alsa tuner_xc2028 tuner tvp5150 em28xx_v4l em28xx tveeprom fuse ip6table_filter ip6_tables bnep binfmt_misc vfat fat nouveau x86_pkg_temp_thermal coretemp kvm_intel kvm arc4 iwldvm mac80211 i915 uvcvideo iwlwifi ttm videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel crct10dif_pclmul media cfg80211 snd_hda_controller iTCO_wdt mxm_wmi i2c_algo_bit drm_kms_helper drm crc32_pclmul crc32c_intel ghash_clmulni_intel snd_hda_codec snd_hwdep iTCO_vendor_support btusb bluetooth snd_seq snd_seq_device snd_pcm snd_timer snd soundcore mei_me mei joydev i2c_i801 serio_raw microcode rfkill i2c_core lpc_ich mfd_core shpchp > [63276.843401] wmi video r8169 mii > [63276.843405] CPU: 1 PID: 1495 Comm: pulseaudio Tainted: G W 3.16.0-rc6+ #23 > [63276.843407] Hardware name: SAMSUNG ELECTRONICS CO., LTD. 550P5C/550P7C/SAMSUNG_NP1234567890, BIOS P05ABI.016.130917.dg 09/17/2013 > [63276.843409] 0000000000000000 0000000036bcbe1b ffff8800c1a13838 ffffffff816f523f > [63276.843412] ffff8800c1a13880 ffff8800c1a13870 ffffffff8108be8d ffff880219ca4c20 > [63276.843416] 00000000ffffffef ffff88021a364040 ffff880219ca4c10 ffff88021a763c58 > [63276.843419] Call Trace: > [63276.843424] [<ffffffff816f523f>] dump_stack+0x45/0x56 > [63276.843427] [<ffffffff8108be8d>] warn_slowpath_common+0x7d/0xa0 > [63276.843431] [<ffffffff8108bf0c>] warn_slowpath_fmt+0x5c/0x80 > [63276.843435] [<ffffffff81358544>] kobject_add_internal+0x284/0x3f0 > [63276.843441] [<ffffffff81358b75>] kobject_add+0x75/0xd0 > [63276.843444] [<ffffffff81462ae3>] ? device_private_init+0x23/0x80 > [63276.843448] [<ffffffff81462c65>] device_add+0x125/0x630 > [63276.843451] [<ffffffff8146318a>] device_register+0x1a/0x20 > [63276.843456] [<ffffffff814f2fa1>] usb_create_ep_devs+0x81/0xd0 > [63276.843459] [<ffffffff814eb69d>] create_intf_ep_devs+0x5d/0x80 > [63276.843463] [<ffffffff814ec585>] usb_set_interface+0x255/0x380 > [63276.843467] [<ffffffffa061c0a8>] snd_em28xx_capture_open+0x218/0x2d0 [em28xx_alsa] > [63276.843475] [<ffffffffa012e835>] snd_pcm_open_substream+0x85/0x140 [snd_pcm] > [63276.843483] [<ffffffffa012e9b2>] snd_pcm_open+0xc2/0x270 [snd_pcm] > [63276.843487] [<ffffffff811d117c>] ? kmem_cache_alloc_trace+0x3c/0x200 > [63276.843496] [<ffffffffa0100d7a>] ? snd_card_file_add+0x2a/0xd0 [snd] > [63276.843501] [<ffffffff810bf570>] ? wake_up_state+0x20/0x20 > [63276.843508] [<ffffffffa012eba3>] snd_pcm_capture_open+0x43/0x70 [snd_pcm] > [63276.843516] [<ffffffffa0100594>] snd_open+0xb4/0x190 [snd] > [63276.843523] [<ffffffff811f1e79>] chrdev_open+0xb9/0x1a0 > [63276.843526] [<ffffffff811ea7bf>] do_dentry_open+0x1ff/0x340 > [63276.843530] [<ffffffff811f1dc0>] ? cdev_put+0x30/0x30 > [63276.843535] [<ffffffff811eaad1>] finish_open+0x31/0x40 > [63276.843538] [<ffffffff811fca24>] do_last+0xa64/0x1190 > [63276.843542] [<ffffffff811f8d01>] ? link_path_walk+0x81/0x880 > [63276.843546] [<ffffffff811d1316>] ? kmem_cache_alloc_trace+0x1d6/0x200 > [63276.843550] [<ffffffff812edecc>] ? selinux_file_alloc_security+0x3c/0x60 > [63276.843554] [<ffffffff811fd21d>] path_openat+0xcd/0x670 > [63276.843558] [<ffffffff811f8779>] ? putname+0x29/0x40 > [63276.843562] [<ffffffff811fdf02>] ? user_path_at_empty+0x72/0xc0 > [63276.843566] [<ffffffff811fe01d>] do_filp_open+0x4d/0xb0 > [63276.843570] [<ffffffff8120a9fd>] ? __alloc_fd+0x7d/0x120 > [63276.843575] [<ffffffff811ec557>] do_sys_open+0x137/0x240 > [63276.843579] [<ffffffff811ec67e>] SyS_open+0x1e/0x20 > [63276.843583] [<ffffffff816fc869>] system_call_fastpath+0x16/0x1b > [63276.843585] ---[ end trace 9381964a5237f709 ]--- > [63276.843593] ------------[ cut here ]------------ > [63276.843596] WARNING: CPU: 1 PID: 1495 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x64/0x80() > [63276.843598] sysfs: cannot create duplicate filename '/devices/pci0000:00/0000:00:14.0/usb3/3-2/3-2:1.0/ep_84' > [63276.843600] Modules linked in: rc_hauppauge em28xx_rc rc_core lgdt330x em28xx_dvb dvb_core em28xx_alsa tuner_xc2028 tuner tvp5150 em28xx_v4l em28xx tveeprom fuse ip6table_filter ip6_tables bnep binfmt_misc vfat fat nouveau x86_pkg_temp_thermal coretemp kvm_intel kvm arc4 iwldvm mac80211 i915 uvcvideo iwlwifi ttm videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel crct10dif_pclmul media cfg80211 snd_hda_controller iTCO_wdt mxm_wmi i2c_algo_bit drm_kms_helper drm crc32_pclmul crc32c_intel ghash_clmulni_intel snd_hda_codec snd_hwdep iTCO_vendor_support btusb bluetooth snd_seq snd_seq_device snd_pcm snd_timer snd soundcore mei_me mei joydev i2c_i801 serio_raw microcode rfkill i2c_core lpc_ich mfd_core shpchp > [63276.843650] wmi video r8169 mii > [63276.843654] CPU: 1 PID: 1495 Comm: pulseaudio Tainted: G W 3.16.0-rc6+ #23 > [63276.843656] Hardware name: SAMSUNG ELECTRONICS CO., LTD. 550P5C/550P7C/SAMSUNG_NP1234567890, BIOS P05ABI.016.130917.dg 09/17/2013 > [63276.843657] 0000000000000000 0000000036bcbe1b ffff8800c1a137e8 ffffffff816f523f > [63276.843661] ffff8800c1a13830 ffff8800c1a13820 ffffffff8108be8d ffff8800c7896000 > [63276.843664] ffff8800c7e07ea0 ffff8802217877f8 ffff880219ca4c10 ffff88021a763c58 > [63276.843668] Call Trace: > [63276.843672] [<ffffffff816f523f>] dump_stack+0x45/0x56 > [63276.843675] [<ffffffff8108be8d>] warn_slowpath_common+0x7d/0xa0 > [63276.843679] [<ffffffff8108bf0c>] warn_slowpath_fmt+0x5c/0x80 > [63276.843683] [<ffffffff81262b98>] ? kernfs_path+0x48/0x60 > [63276.843688] [<ffffffff812662a4>] sysfs_warn_dup+0x64/0x80 > [63276.843691] [<ffffffff8126634e>] sysfs_create_dir_ns+0x8e/0xa0 > [63276.843695] [<ffffffff8135837f>] kobject_add_internal+0xbf/0x3f0 > [63276.843699] [<ffffffff81358b75>] kobject_add+0x75/0xd0 > [63276.843703] [<ffffffff81462ae3>] ? device_private_init+0x23/0x80 > [63276.843706] [<ffffffff81462c65>] device_add+0x125/0x630 > [63276.843709] [<ffffffff8146318a>] device_register+0x1a/0x20 > [63276.843714] [<ffffffff814f2fa1>] usb_create_ep_devs+0x81/0xd0 > [63276.843717] [<ffffffff814eb69d>] create_intf_ep_devs+0x5d/0x80 > [63276.843721] [<ffffffff814ec585>] usb_set_interface+0x255/0x380 > [63276.843727] [<ffffffffa061c0a8>] snd_em28xx_capture_open+0x218/0x2d0 [em28xx_alsa] > [63276.843734] [<ffffffffa012e835>] snd_pcm_open_substream+0x85/0x140 [snd_pcm] > [63276.843742] [<ffffffffa012e9b2>] snd_pcm_open+0xc2/0x270 [snd_pcm] > [63276.843746] [<ffffffff811d117c>] ? kmem_cache_alloc_trace+0x3c/0x200 > [63276.843753] [<ffffffffa0100d7a>] ? snd_card_file_add+0x2a/0xd0 [snd] > [63276.843758] [<ffffffff810bf570>] ? wake_up_state+0x20/0x20 > [63276.843767] [<ffffffffa012eba3>] snd_pcm_capture_open+0x43/0x70 [snd_pcm] > [63276.843775] [<ffffffffa0100594>] snd_open+0xb4/0x190 [snd] > [63276.843781] [<ffffffff811f1e79>] chrdev_open+0xb9/0x1a0 > [63276.843784] [<ffffffff811ea7bf>] do_dentry_open+0x1ff/0x340 > [63276.843788] [<ffffffff811f1dc0>] ? cdev_put+0x30/0x30 > [63276.843792] [<ffffffff811eaad1>] finish_open+0x31/0x40 > [63276.843795] [<ffffffff811fca24>] do_last+0xa64/0x1190 > [63276.843800] [<ffffffff811f8d01>] ? link_path_walk+0x81/0x880 > [63276.843804] [<ffffffff811d1316>] ? kmem_cache_alloc_trace+0x1d6/0x200 > [63276.843809] [<ffffffff812edecc>] ? selinux_file_alloc_security+0x3c/0x60 > [63276.843813] [<ffffffff811fd21d>] path_openat+0xcd/0x670 > [63276.843816] [<ffffffff811f8779>] ? putname+0x29/0x40 > [63276.843820] [<ffffffff811fdf02>] ? user_path_at_empty+0x72/0xc0 > [63276.843824] [<ffffffff811fe01d>] do_filp_open+0x4d/0xb0 > [63276.843829] [<ffffffff8120a9fd>] ? __alloc_fd+0x7d/0x120 > [63276.843832] [<ffffffff811ec557>] do_sys_open+0x137/0x240 > [63276.843836] [<ffffffff811ec67e>] SyS_open+0x1e/0x20 > [63276.843841] [<ffffffff816fc869>] system_call_fastpath+0x16/0x1b > [63276.843843] ---[ end trace 9381964a5237f70a ]--- > [63276.843845] ------------[ cut here ]------------ > [63276.843849] WARNING: CPU: 1 PID: 1495 at lib/kobject.c:240 kobject_add_internal+0x284/0x3f0() > [63276.843851] kobject_add_internal failed for ep_84 with -EEXIST, don't try to register things with the same name in the same directory. > [63276.843852] Modules linked in: rc_hauppauge em28xx_rc rc_core lgdt330x em28xx_dvb dvb_core em28xx_alsa tuner_xc2028 tuner tvp5150 em28xx_v4l em28xx tveeprom fuse ip6table_filter ip6_tables bnep binfmt_misc vfat fat nouveau x86_pkg_temp_thermal coretemp kvm_intel kvm arc4 iwldvm mac80211 i915 uvcvideo iwlwifi ttm videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel crct10dif_pclmul media cfg80211 snd_hda_controller iTCO_wdt mxm_wmi i2c_algo_bit drm_kms_helper drm crc32_pclmul crc32c_intel ghash_clmulni_intel snd_hda_codec snd_hwdep iTCO_vendor_support btusb bluetooth snd_seq snd_seq_device snd_pcm snd_timer snd soundcore mei_me mei joydev i2c_i801 serio_raw microcode rfkill i2c_core lpc_ich mfd_core shpchp > [63276.843901] wmi video r8169 mii > [63276.843905] CPU: 1 PID: 1495 Comm: pulseaudio Tainted: G W 3.16.0-rc6+ #23 > [63276.843907] Hardware name: SAMSUNG ELECTRONICS CO., LTD. 550P5C/550P7C/SAMSUNG_NP1234567890, BIOS P05ABI.016.130917.dg 09/17/2013 > [63276.843908] 0000000000000000 0000000036bcbe1b ffff8800c1a13838 ffffffff816f523f > [63276.843913] ffff8800c1a13880 ffff8800c1a13870 ffffffff8108be8d ffff880219ca4c20 > [63276.843917] 00000000ffffffef ffff88021a364040 ffff880219ca4c10 ffff88021a763c58 > [63276.843920] Call Trace: > [63276.843924] [<ffffffff816f523f>] dump_stack+0x45/0x56 > [63276.843928] [<ffffffff8108be8d>] warn_slowpath_common+0x7d/0xa0 > [63276.843931] [<ffffffff8108bf0c>] warn_slowpath_fmt+0x5c/0x80 > [63276.843936] [<ffffffff81358544>] kobject_add_internal+0x284/0x3f0 > [63276.843940] [<ffffffff81358b75>] kobject_add+0x75/0xd0 > [63276.843943] [<ffffffff81462ae3>] ? device_private_init+0x23/0x80 > [63276.843948] [<ffffffff81462c65>] device_add+0x125/0x630 > [63276.843951] [<ffffffff8146318a>] device_register+0x1a/0x20 > [63276.843956] [<ffffffff814f2fa1>] usb_create_ep_devs+0x81/0xd0 > [63276.843959] [<ffffffff814eb69d>] create_intf_ep_devs+0x5d/0x80 > [63276.843962] [<ffffffff814ec585>] usb_set_interface+0x255/0x380 > [63276.843967] [<ffffffffa061c0a8>] snd_em28xx_capture_open+0x218/0x2d0 [em28xx_alsa] > [63276.843974] [<ffffffffa012e835>] snd_pcm_open_substream+0x85/0x140 [snd_pcm] > [63276.843983] [<ffffffffa012e9b2>] snd_pcm_open+0xc2/0x270 [snd_pcm] > [63276.844011] [<ffffffff811d117c>] ? kmem_cache_alloc_trace+0x3c/0x200 > [63276.844034] [<ffffffffa0100d7a>] ? snd_card_file_add+0x2a/0xd0 [snd] > [63276.844056] [<ffffffff810bf570>] ? wake_up_state+0x20/0x20 > [63276.844079] [<ffffffffa012eba3>] snd_pcm_capture_open+0x43/0x70 [snd_pcm] > [63276.844104] [<ffffffffa0100594>] snd_open+0xb4/0x190 [snd] > [63276.844123] [<ffffffff811f1e79>] chrdev_open+0xb9/0x1a0 > [63276.844143] [<ffffffff811ea7bf>] do_dentry_open+0x1ff/0x340 > [63276.844161] [<ffffffff811f1dc0>] ? cdev_put+0x30/0x30 > [63276.844180] [<ffffffff811eaad1>] finish_open+0x31/0x40 > [63276.844197] [<ffffffff811fca24>] do_last+0xa64/0x1190 > [63276.844217] [<ffffffff811f8d01>] ? link_path_walk+0x81/0x880 > [63276.844224] [<ffffffff811d1316>] ? kmem_cache_alloc_trace+0x1d6/0x200 > [63276.844230] [<ffffffff812edecc>] ? selinux_file_alloc_security+0x3c/0x60 > [63276.844237] [<ffffffff811fd21d>] path_openat+0xcd/0x670 > [63276.844242] [<ffffffff811f8779>] ? putname+0x29/0x40 > [63276.844250] [<ffffffff811fdf02>] ? user_path_at_empty+0x72/0xc0 > [63276.844256] [<ffffffff811fe01d>] do_filp_open+0x4d/0xb0 > [63276.844262] [<ffffffff8120a9fd>] ? __alloc_fd+0x7d/0x120 > [63276.844267] [<ffffffff811ec557>] do_sys_open+0x137/0x240 > [63276.844273] [<ffffffff811ec67e>] SyS_open+0x1e/0x20 > [63276.844279] [<ffffffff816fc869>] system_call_fastpath+0x16/0x1b > [63276.844283] ---[ end trace 9381964a5237f70b ]--- > [63276.947086] xc2028 19-0061: Loading firmware for type=BASE MTS (5), id 0000000000000000. > [63277.889918] xc2028 19-0061: Loading firmware for type=MTS (4), id 000000000000b700. > [63277.904978] xc2028 19-0061: Loading SCODE for type=MTS LCD NOGD MONO IF SCODE HAS_IF_4500 (6002b004), id 000000000000b700. > [63279.266689] tvp5150 19-005c: i2c i/o error: rc == -6 > [63279.273050] tvp5150 19-005c: i2c i/o error: rc == -6 > [63279.322160] tvp5150 19-005c: i2c i/o error: rc == -6 > [63279.323365] tvp5150 19-005c: i2c i/o error: rc == -6 > [63279.372175] xc2028 19-0061: Loading firmware for type=BASE MTS (5), id 0000000000000000. > [63280.357379] xc2028 19-0061: Loading firmware for type=MTS (4), id 000000000000b700. > [63280.374595] xc2028 19-0061: Loading SCODE for type=MTS LCD NOGD MONO IF SCODE HAS_IF_4500 (6002b004), id 000000000000b700. > [63280.544446] ------------[ cut here ]------------ > [63280.544469] WARNING: CPU: 4 PID: 14819 at drivers/media/v4l2-core/videobuf2-core.c:2126 __vb2_queue_cancel+0x1b1/0x260 [videobuf2_core]() > [63280.544472] Modules linked in: rc_hauppauge em28xx_rc rc_core lgdt330x em28xx_dvb dvb_core em28xx_alsa tuner_xc2028 tuner tvp5150 em28xx_v4l em28xx tveeprom fuse ip6table_filter ip6_tables bnep binfmt_misc vfat fat nouveau x86_pkg_temp_thermal coretemp kvm_intel kvm arc4 iwldvm mac80211 i915 uvcvideo iwlwifi ttm videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel crct10dif_pclmul media cfg80211 snd_hda_controller iTCO_wdt mxm_wmi i2c_algo_bit drm_kms_helper drm crc32_pclmul crc32c_intel ghash_clmulni_intel snd_hda_codec snd_hwdep iTCO_vendor_support btusb bluetooth snd_seq snd_seq_device snd_pcm snd_timer snd soundcore mei_me mei joydev i2c_i801 serio_raw microcode rfkill i2c_core lpc_ich mfd_core shpchp > [63280.544534] wmi video r8169 mii > [63280.544542] CPU: 4 PID: 14819 Comm: xawtv Tainted: G W 3.16.0-rc6+ #23 > [63280.544545] Hardware name: SAMSUNG ELECTRONICS CO., LTD. 550P5C/550P7C/SAMSUNG_NP1234567890, BIOS P05ABI.016.130917.dg 09/17/2013 > [63280.544547] 0000000000000000 00000000172d2101 ffff8800c8b9bc08 ffffffff816f523f > [63280.544552] 0000000000000000 ffff8800c8b9bc40 ffffffff8108be8d 0000000000000000 > [63280.544556] 0000000000000001 ffff8800c5488948 ffff88021a5b4a00 0000000000000000 > [63280.544560] Call Trace: > [63280.544571] [<ffffffff816f523f>] dump_stack+0x45/0x56 > [63280.544577] [<ffffffff8108be8d>] warn_slowpath_common+0x7d/0xa0 > [63280.544581] [<ffffffff8108bfba>] warn_slowpath_null+0x1a/0x20 > [63280.544589] [<ffffffffa0319951>] __vb2_queue_cancel+0x1b1/0x260 [videobuf2_core] > [63280.544597] [<ffffffffa031a2c5>] vb2_internal_streamoff+0x35/0x90 [videobuf2_core] > [63280.544603] [<ffffffffa031a355>] vb2_streamoff+0x35/0x60 [videobuf2_core] > [63280.544610] [<ffffffffa031a3c8>] vb2_ioctl_streamoff+0x48/0x50 [videobuf2_core] > [63280.544619] [<ffffffffa02f0a8a>] v4l_streamoff+0x1a/0x20 [videodev] > [63280.544628] [<ffffffffa02f39c4>] __video_do_ioctl+0x294/0x310 [videodev] > [63280.544637] [<ffffffffa02f63be>] video_usercopy+0x22e/0x5b0 [videodev] > [63280.544645] [<ffffffffa02f3730>] ? v4l_dbg_s_register+0x150/0x150 [videodev] > [63280.544654] [<ffffffffa02f6755>] video_ioctl2+0x15/0x20 [videodev] > [63280.544662] [<ffffffffa02ef71b>] v4l2_ioctl+0x11b/0x150 [videodev] > [63280.544669] [<ffffffff81200640>] do_vfs_ioctl+0x2e0/0x4a0 > [63280.544674] [<ffffffff81200881>] SyS_ioctl+0x81/0xa0 > [63280.544681] [<ffffffff81122656>] ? __audit_syscall_exit+0x1f6/0x2a0 > [63280.544688] [<ffffffff816fc869>] system_call_fastpath+0x16/0x1b > [63280.544690] ---[ end trace 9381964a5237f70c ]--- > [63287.078863] tvp5150 19-005c: i2c i/o error: rc == -6 > [63287.136674] tvp5150 19-005c: i2c i/o error: rc == -6 > [63287.263527] ------------[ cut here ]------------ > [63287.263537] WARNING: CPU: 4 PID: 14819 at drivers/media/v4l2-core/videobuf2-core.c:2126 __vb2_queue_cancel+0x1b1/0x260 [videobuf2_core]() > [63287.263538] Modules linked in: rc_hauppauge em28xx_rc rc_core lgdt330x em28xx_dvb dvb_core em28xx_alsa tuner_xc2028 tuner tvp5150 em28xx_v4l em28xx tveeprom fuse ip6table_filter ip6_tables bnep binfmt_misc vfat fat nouveau x86_pkg_temp_thermal coretemp kvm_intel kvm arc4 iwldvm mac80211 i915 uvcvideo iwlwifi ttm videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel crct10dif_pclmul media cfg80211 snd_hda_controller iTCO_wdt mxm_wmi i2c_algo_bit drm_kms_helper drm crc32_pclmul crc32c_intel ghash_clmulni_intel snd_hda_codec snd_hwdep iTCO_vendor_support btusb bluetooth snd_seq snd_seq_device snd_pcm snd_timer snd soundcore mei_me mei joydev i2c_i801 serio_raw microcode rfkill i2c_core lpc_ich mfd_core shpchp > [63287.263567] wmi video r8169 mii > [63287.263570] CPU: 4 PID: 14819 Comm: xawtv Tainted: G W 3.16.0-rc6+ #23 > [63287.263572] Hardware name: SAMSUNG ELECTRONICS CO., LTD. 550P5C/550P7C/SAMSUNG_NP1234567890, BIOS P05ABI.016.130917.dg 09/17/2013 > [63287.263573] 0000000000000000 00000000172d2101 ffff8800c8b9bd60 ffffffff816f523f > [63287.263575] 0000000000000000 ffff8800c8b9bd98 ffffffff8108be8d 0000000000000000 > [63287.263576] ffff8800c5488da8 ffff8800c5488948 ffff8800c5488800 ffff8800c54887a0 > [63287.263578] Call Trace: > [63287.263583] [<ffffffff816f523f>] dump_stack+0x45/0x56 > [63287.263586] [<ffffffff8108be8d>] warn_slowpath_common+0x7d/0xa0 > [63287.263588] [<ffffffff8108bfba>] warn_slowpath_null+0x1a/0x20 > [63287.263591] [<ffffffffa0319951>] __vb2_queue_cancel+0x1b1/0x260 [videobuf2_core] > [63287.263594] [<ffffffff814eb69d>] ? create_intf_ep_devs+0x5d/0x80 > [63287.263598] [<ffffffffa031c62a>] vb2_queue_release+0x1a/0x30 [videobuf2_core] > [63287.263600] [<ffffffffa031c6a1>] _vb2_fop_release+0x61/0xa0 [videobuf2_core] > [63287.263603] [<ffffffffa031c70a>] vb2_fop_release+0x2a/0x50 [videobuf2_core] > [63287.263606] [<ffffffffa0752194>] em28xx_v4l2_close+0xf4/0x1d0 [em28xx_v4l] > [63287.263610] [<ffffffffa02ef498>] v4l2_release+0x38/0x80 [videodev] > [63287.263613] [<ffffffff811ef11c>] __fput+0xdc/0x1e0 > [63287.263615] [<ffffffff811ef26e>] ____fput+0xe/0x10 > [63287.263618] [<ffffffff810ab9df>] task_work_run+0x9f/0xe0 > [63287.263620] [<ffffffff81013b71>] do_notify_resume+0x61/0xa0 > [63287.263623] [<ffffffff816fcb22>] int_signal+0x12/0x17 > [63287.263624] ---[ end trace 9381964a5237f70d ]--- > > >> >> Hans >> >>> >>> Regards, >>> >>> Hans >>> >>> -- >>> To unsubscribe from this list: send the line "unsubscribe linux-media" in >>> the body of a message to majordomo@xxxxxxxxxxxxxxx >>> More majordomo info at http://vger.kernel.org/majordomo-info.html >>> >> >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-media" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html > -- > To unsubscribe from this list: send the line "unsubscribe linux-media" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
