Activity log for bug #1411357

Date Who What changed Old value New value Message
2015-01-15 18:08:10 P bug added bug
2015-01-15 18:30:14 Brad Figg linux (Ubuntu): status New Confirmed
2015-01-15 18:32:35 Joseph Salisbury linux (Ubuntu): importance Undecided Medium
2015-01-15 18:33:12 Joseph Salisbury linux (Ubuntu): status Confirmed Incomplete
2015-01-15 18:48:40 P tags amd64 apport-bug utopic amd64 apport-bug kernel-bug-exists-upstream kernel-bug-exists-upstream-3.19.0-031900rc4 utopic
2015-01-26 12:04:30 penalvch attachment added syslog https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1411357/+attachment/4305725/+files/syslog
2015-01-26 12:05:01 penalvch description when using firefox Hello videochat application, the webcam crashes. Step to reproduce: 1. start firefox Hello 2. click on start a conversation 3. the webcam starts and hello displays the video 4. just wait until the webcam disconnects then the following appear in the syslog : Jan 15 18:57:26 minipc kernel: [ 2905.741347] usb 2-4: USB disconnect, device number 7 Jan 15 18:57:26 minipc kernel: [ 2905.742553] uvcvideo: Failed to resubmit video URB (-19). Jan 15 18:57:26 minipc kernel: [ 2905.964033] usb 2-4: new high-speed USB device number 8 using ehci-pci Jan 15 18:57:27 minipc kernel: [ 2906.334628] usb 2-4: New USB device found, idVendor=046d, idProduct=081d Jan 15 18:57:27 minipc kernel: [ 2906.334633] usb 2-4: New USB device strings: Mfr=0, Product=0, SerialNumber=1 Jan 15 18:57:27 minipc kernel: [ 2906.334636] usb 2-4: SerialNumber: 451406C0 Jan 15 18:57:27 minipc kernel: [ 2906.593255] usb 2-4: set resolution quirk: cval->res = 384 Jan 15 18:57:27 minipc kernel: [ 2906.593705] uvcvideo: Found UVC 1.00 device <unnamed> (046d:081d) Jan 15 18:57:27 minipc kernel: [ 2906.606593] input: UVC Camera (046d:081d) as /devices/pci0000:00/0000:00:1d.7/usb2/2-4/2-4:1.2/input/input17 Jan 15 18:57:27 minipc mtp-probe: checking bus 2, device 8: "/sys/devices/pci0000:00/0000:00:1d.7/usb2/2-4" Jan 15 18:57:27 minipc mtp-probe: bus: 2, device: 8 was not an MTP device Jan 15 18:57:27 minipc rtkit-daemon[3179]: Successfully made thread 5057 of process 3177 (n/a) owned by '1000' RT at priority 5. Jan 15 18:57:27 minipc rtkit-daemon[3179]: Supervising 4 threads of 1 processes of 1 users. Jan 15 18:58:07 minipc kernel: [ 2946.177078] ------------[ cut here ]------------ Jan 15 18:58:07 minipc kernel: [ 2946.177094] WARNING: CPU: 1 PID: 4716 at /build/buildd/linux-3.16.0/fs/sysfs/group.c:219 sysfs_remove_group+0x99/0xa0() Jan 15 18:58:07 minipc kernel: [ 2946.177096] sysfs group ffffffff81cbe920 not found for kobject 'event10' Jan 15 18:58:07 minipc kernel: [ 2946.177098] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev media snd_usb_audio snd_usbmidi_lib xt_CHECKSUM iptable_mangle ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge stp llc nfsv3 ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi bnep rfcomm bluetooth 6lowpan_iphc rpcsec_gss_krb5 dm_crypt nfsv4 binfmt_misc nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache ir_lirc_codec ir_mce_kbd_decoder lirc_dev ir_sharp_decoder ir_sanyo_decoder ir_sony_decoder ir_jvc_decoder ir_rc6_decoder ir_nec_decoder ir_rc5_decoder rc_rc6_mce pl2303 usbserial mceusb rc_core joydev coretemp kvm_intel snd_hda_codec_realtek kvm snd_hda_codec_generic snd_hda_intel snd_hda_controller serio_raw snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer snd lpc_ich soundcore mac_hid parport_pc ppdev lp parport hid_generic usbhid hid i915 video i2c_algo_bit drm_kms_helper psmouse drm e1000e firewire_ohci firewire_core ptp crc_itu_t pata_acpi pps_core Jan 15 18:58:07 minipc kernel: [ 2946.177199] CPU: 1 PID: 4716 Comm: MediaManager Tainted: G W 3.16.0-29-lowlatency #39-Ubuntu Jan 15 18:58:07 minipc kernel: [ 2946.177201] Hardware name: AOpen i965GMx-IF/i965GMx-IF, BIOS 6.00 PG 10/03/2008 Jan 15 18:58:07 minipc kernel: [ 2946.177203] 0000000000000009 ffff8800747d7c10 ffffffff8178100b ffff8800747d7c58 Jan 15 18:58:07 minipc kernel: [ 2946.177207] ffff8800747d7c48 ffffffff8107199d 0000000000000000 ffffffff81cbe920 Jan 15 18:58:07 minipc kernel: [ 2946.177210] ffff88011e047cc0 ffff880123c55898 ffff88012953a520 ffff8800747d7ca8 Jan 15 18:58:07 minipc kernel: [ 2946.177213] Call Trace: Jan 15 18:58:07 minipc kernel: [ 2946.177221] [<ffffffff8178100b>] dump_stack+0x4d/0x6f Jan 15 18:58:07 minipc kernel: [ 2946.177226] [<ffffffff8107199d>] warn_slowpath_common+0x7d/0xa0 Jan 15 18:58:07 minipc kernel: [ 2946.177229] [<ffffffff81071a0c>] warn_slowpath_fmt+0x4c/0x50 Jan 15 18:58:07 minipc kernel: [ 2946.177233] [<ffffffff81258ed8>] ? kernfs_find_and_get_ns+0x48/0x60 Jan 15 18:58:07 minipc kernel: [ 2946.177236] [<ffffffff8125c949>] sysfs_remove_group+0x99/0xa0 Jan 15 18:58:07 minipc kernel: [ 2946.177240] [<ffffffff814da277>] dpm_sysfs_remove+0x57/0x60 Jan 15 18:58:07 minipc kernel: [ 2946.177245] [<ffffffff814cf4b5>] device_del+0x45/0x1d0 Jan 15 18:58:07 minipc kernel: [ 2946.177248] [<ffffffff815d28a3>] evdev_disconnect+0x23/0x60 Jan 15 18:58:07 minipc kernel: [ 2946.177252] [<ffffffff815cf01f>] __input_unregister_device+0xaf/0x160 Jan 15 18:58:07 minipc kernel: [ 2946.177255] [<ffffffff815cf18d>] input_unregister_device+0x4d/0x80 Jan 15 18:58:07 minipc kernel: [ 2946.177262] [<ffffffffc0b95172>] uvc_status_cleanup+0x42/0x50 [uvcvideo] Jan 15 18:58:07 minipc kernel: [ 2946.177266] [<ffffffffc0b8a1fd>] uvc_delete+0x2d/0x180 [uvcvideo] Jan 15 18:58:07 minipc kernel: [ 2946.177269] [<ffffffffc0b8a439>] uvc_release+0x29/0x30 [uvcvideo] Jan 15 18:58:07 minipc kernel: [ 2946.177279] [<ffffffffc0b4a9f9>] v4l2_device_release+0xd9/0x110 [videodev] Jan 15 18:58:07 minipc kernel: [ 2946.177283] [<ffffffff814ced02>] device_release+0x32/0xa0 Jan 15 18:58:07 minipc kernel: [ 2946.177287] [<ffffffff813a136a>] kobject_release+0x7a/0x1c0 Jan 15 18:58:07 minipc kernel: [ 2946.177290] [<ffffffff813a120d>] kobject_put+0x2d/0x60 Jan 15 18:58:07 minipc kernel: [ 2946.177293] [<ffffffff814cf017>] put_device+0x17/0x20 Jan 15 18:58:07 minipc kernel: [ 2946.177298] [<ffffffffc0b49491>] v4l2_release+0x51/0x80 [videodev] Jan 15 18:58:07 minipc kernel: [ 2946.177301] [<ffffffff811e4593>] __fput+0xd3/0x230 Jan 15 18:58:07 minipc kernel: [ 2946.177304] [<ffffffff811e473e>] ____fput+0xe/0x10 Jan 15 18:58:07 minipc kernel: [ 2946.177308] [<ffffffff810926d7>] task_work_run+0xb7/0xf0 Jan 15 18:58:07 minipc kernel: [ 2946.177313] [<ffffffff81015267>] do_notify_resume+0x97/0xb0 Jan 15 18:58:07 minipc kernel: [ 2946.177318] [<ffffffff81788cea>] int_signal+0x12/0x17 Jan 15 18:58:07 minipc kernel: [ 2946.177320] ---[ end trace 167074d7c3fac550 ]--- Jan 15 18:58:07 minipc kernel: [ 2946.184034] ------------[ cut here ]------------ Jan 15 18:58:07 minipc kernel: [ 2946.184045] WARNING: CPU: 1 PID: 4716 at /build/buildd/linux-3.16.0/fs/sysfs/group.c:219 sysfs_remove_group+0x99/0xa0() Jan 15 18:58:07 minipc kernel: [ 2946.184047] sysfs group ffffffff81cbe920 not found for kobject 'input16' Jan 15 18:58:07 minipc kernel: [ 2946.184049] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev media snd_usb_audio snd_usbmidi_lib xt_CHECKSUM iptable_mangle ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge stp llc nfsv3 ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi bnep rfcomm bluetooth 6lowpan_iphc rpcsec_gss_krb5 dm_crypt nfsv4 binfmt_misc nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache ir_lirc_codec ir_mce_kbd_decoder lirc_dev ir_sharp_decoder ir_sanyo_decoder ir_sony_decoder ir_jvc_decoder ir_rc6_decoder ir_nec_decoder ir_rc5_decoder rc_rc6_mce pl2303 usbserial mceusb rc_core joydev coretemp kvm_intel snd_hda_codec_realtek kvm snd_hda_codec_generic snd_hda_intel snd_hda_controller serio_raw snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer snd lpc_ich soundcore mac_hid parport_pc ppdev lp parport hid_generic usbhid hid i915 video i2c_algo_bit drm_kms_helper psmouse drm e1000e firewire_ohci firewire_core ptp crc_itu_t pata_acpi pps_core Jan 15 18:58:07 minipc kernel: [ 2946.184137] CPU: 1 PID: 4716 Comm: MediaManager Tainted: G W 3.16.0-29-lowlatency #39-Ubuntu Jan 15 18:58:07 minipc kernel: [ 2946.184139] Hardware name: AOpen i965GMx-IF/i965GMx-IF, BIOS 6.00 PG 10/03/2008 Jan 15 18:58:07 minipc kernel: [ 2946.184141] 0000000000000009 ffff8800747d7c38 ffffffff8178100b ffff8800747d7c80 Jan 15 18:58:07 minipc kernel: [ 2946.184144] ffff8800747d7c70 ffffffff8107199d 0000000000000000 ffffffff81cbe920 Jan 15 18:58:07 minipc kernel: [ 2946.184147] ffff880123c53a58 ffff880123c55898 ffff88012953a520 ffff8800747d7cd0 Jan 15 18:58:07 minipc kernel: [ 2946.184151] Call Trace: Jan 15 18:58:07 minipc kernel: [ 2946.184157] [<ffffffff8178100b>] dump_stack+0x4d/0x6f Jan 15 18:58:07 minipc kernel: [ 2946.184161] [<ffffffff8107199d>] warn_slowpath_common+0x7d/0xa0 Jan 15 18:58:07 minipc kernel: [ 2946.184164] [<ffffffff81071a0c>] warn_slowpath_fmt+0x4c/0x50 Jan 15 18:58:07 minipc kernel: [ 2946.184167] [<ffffffff81258ed8>] ? kernfs_find_and_get_ns+0x48/0x60 Jan 15 18:58:07 minipc kernel: [ 2946.184170] [<ffffffff8125c949>] sysfs_remove_group+0x99/0xa0 Jan 15 18:58:07 minipc kernel: [ 2946.184175] [<ffffffff814da277>] dpm_sysfs_remove+0x57/0x60 Jan 15 18:58:07 minipc kernel: [ 2946.184178] [<ffffffff814cf4b5>] device_del+0x45/0x1d0 Jan 15 18:58:07 minipc kernel: [ 2946.184183] [<ffffffff815cf0ac>] __input_unregister_device+0x13c/0x160 Jan 15 18:58:07 minipc kernel: [ 2946.184186] [<ffffffff815cf18d>] input_unregister_device+0x4d/0x80 Jan 15 18:58:07 minipc kernel: [ 2946.184192] [<ffffffffc0b95172>] uvc_status_cleanup+0x42/0x50 [uvcvideo] Jan 15 18:58:07 minipc kernel: [ 2946.184195] [<ffffffffc0b8a1fd>] uvc_delete+0x2d/0x180 [uvcvideo] Jan 15 18:58:07 minipc kernel: [ 2946.184199] [<ffffffffc0b8a439>] uvc_release+0x29/0x30 [uvcvideo] Jan 15 18:58:07 minipc kernel: [ 2946.184208] [<ffffffffc0b4a9f9>] v4l2_device_release+0xd9/0x110 [videodev] Jan 15 18:58:07 minipc kernel: [ 2946.184211] [<ffffffff814ced02>] device_release+0x32/0xa0 Jan 15 18:58:07 minipc kernel: [ 2946.184215] [<ffffffff813a136a>] kobject_release+0x7a/0x1c0 Jan 15 18:58:07 minipc kernel: [ 2946.184218] [<ffffffff813a120d>] kobject_put+0x2d/0x60 Jan 15 18:58:07 minipc kernel: [ 2946.184221] [<ffffffff814cf017>] put_device+0x17/0x20 Jan 15 18:58:07 minipc kernel: [ 2946.184225] [<ffffffffc0b49491>] v4l2_release+0x51/0x80 [videodev] Jan 15 18:58:07 minipc kernel: [ 2946.184229] [<ffffffff811e4593>] __fput+0xd3/0x230 Jan 15 18:58:07 minipc kernel: [ 2946.184232] [<ffffffff811e473e>] ____fput+0xe/0x10 Jan 15 18:58:07 minipc kernel: [ 2946.184235] [<ffffffff810926d7>] task_work_run+0xb7/0xf0 Jan 15 18:58:07 minipc kernel: [ 2946.184239] [<ffffffff81015267>] do_notify_resume+0x97/0xb0 Jan 15 18:58:07 minipc kernel: [ 2946.184243] [<ffffffff81788cea>] int_signal+0x12/0x17 Jan 15 18:58:07 minipc kernel: [ 2946.184245] ---[ end trace 167074d7c3fac551 ]--- Jan 15 18:58:07 minipc kernel: [ 2946.184256] ------------[ cut here ]------------ Jan 15 18:58:07 minipc kernel: [ 2946.184260] WARNING: CPU: 1 PID: 4716 at /build/buildd/linux-3.16.0/fs/sysfs/group.c:219 sysfs_remove_group+0x99/0xa0() Jan 15 18:58:07 minipc kernel: [ 2946.184261] sysfs group ffffffff81cd6dc0 not found for kobject 'input16' Jan 15 18:58:07 minipc kernel: [ 2946.184263] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev media snd_usb_audio snd_usbmidi_lib xt_CHECKSUM iptable_mangle ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge stp llc nfsv3 ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi bnep rfcomm bluetooth 6lowpan_iphc rpcsec_gss_krb5 dm_crypt nfsv4 binfmt_misc nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache ir_lirc_codec ir_mce_kbd_decoder lirc_dev ir_sharp_decoder ir_sanyo_decoder ir_sony_decoder ir_jvc_decoder ir_rc6_decoder ir_nec_decoder ir_rc5_decoder rc_rc6_mce pl2303 usbserial mceusb rc_core joydev coretemp kvm_intel snd_hda_codec_realtek kvm snd_hda_codec_generic snd_hda_intel snd_hda_controller serio_raw snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer snd lpc_ich soundcore mac_hid parport_pc ppdev lp parport hid_generic usbhid hid i915 video i2c_algo_bit drm_kms_helper psmouse drm e1000e firewire_ohci firewire_core ptp crc_itu_t pata_acpi pps_core Jan 15 18:58:07 minipc kernel: [ 2946.184330] CPU: 1 PID: 4716 Comm: MediaManager Tainted: G W 3.16.0-29-lowlatency #39-Ubuntu Jan 15 18:58:07 minipc kernel: [ 2946.184332] Hardware name: AOpen i965GMx-IF/i965GMx-IF, BIOS 6.00 PG 10/03/2008 Jan 15 18:58:07 minipc kernel: [ 2946.184333] 0000000000000009 ffff8800747d7c00 ffffffff8178100b ffff8800747d7c48 Jan 15 18:58:07 minipc kernel: [ 2946.184336] ffff8800747d7c38 ffffffff8107199d 0000000000000000 ffffffff81cd6dc0 Jan 15 18:58:07 minipc kernel: [ 2946.184339] ffff880123c53a58 ffffffff81cd6bc0 ffff88012953a520 ffff8800747d7c98 Jan 15 18:58:07 minipc kernel: [ 2946.184342] Call Trace: Jan 15 18:58:07 minipc kernel: [ 2946.184345] [<ffffffff8178100b>] dump_stack+0x4d/0x6f Jan 15 18:58:07 minipc kernel: [ 2946.184349] [<ffffffff8107199d>] warn_slowpath_common+0x7d/0xa0 Jan 15 18:58:07 minipc kernel: [ 2946.184351] [<ffffffff81071a0c>] warn_slowpath_fmt+0x4c/0x50 Jan 15 18:58:07 minipc kernel: [ 2946.184354] [<ffffffff81258ed8>] ? kernfs_find_and_get_ns+0x48/0x60 Jan 15 18:58:07 minipc kernel: [ 2946.184357] [<ffffffff8125c949>] sysfs_remove_group+0x99/0xa0 Jan 15 18:58:07 minipc kernel: [ 2946.184360] [<ffffffff8125ca23>] sysfs_remove_groups+0x33/0x50 Jan 15 18:58:07 minipc kernel: [ 2946.184363] [<ffffffff814cec3e>] device_remove_attrs+0x5e/0x80 Jan 15 18:58:07 minipc kernel: [ 2946.184366] [<ffffffff814cf591>] device_del+0x121/0x1d0 Jan 15 18:58:07 minipc kernel: [ 2946.184369] [<ffffffff815cf0ac>] __input_unregister_device+0x13c/0x160 Jan 15 18:58:07 minipc kernel: [ 2946.184372] [<ffffffff815cf18d>] input_unregister_device+0x4d/0x80 Jan 15 18:58:07 minipc kernel: [ 2946.184376] [<ffffffffc0b95172>] uvc_status_cleanup+0x42/0x50 [uvcvideo] Jan 15 18:58:07 minipc kernel: [ 2946.184380] [<ffffffffc0b8a1fd>] uvc_delete+0x2d/0x180 [uvcvideo] Jan 15 18:58:07 minipc kernel: [ 2946.184383] [<ffffffffc0b8a439>] uvc_release+0x29/0x30 [uvcvideo] Jan 15 18:58:07 minipc kernel: [ 2946.184388] [<ffffffffc0b4a9f9>] v4l2_device_release+0xd9/0x110 [videodev] Jan 15 18:58:07 minipc kernel: [ 2946.184391] [<ffffffff814ced02>] device_release+0x32/0xa0 Jan 15 18:58:07 minipc kernel: [ 2946.184394] [<ffffffff813a136a>] kobject_release+0x7a/0x1c0 Jan 15 18:58:07 minipc kernel: [ 2946.184397] [<ffffffff813a120d>] kobject_put+0x2d/0x60 Jan 15 18:58:07 minipc kernel: [ 2946.184400] [<ffffffff814cf017>] put_device+0x17/0x20 Jan 15 18:58:07 minipc kernel: [ 2946.184404] [<ffffffffc0b49491>] v4l2_release+0x51/0x80 [videodev] Jan 15 18:58:07 minipc kernel: [ 2946.184407] [<ffffffff811e4593>] __fput+0xd3/0x230 Jan 15 18:58:07 minipc kernel: [ 2946.184410] [<ffffffff811e473e>] ____fput+0xe/0x10 Jan 15 18:58:07 minipc kernel: [ 2946.184413] [<ffffffff810926d7>] task_work_run+0xb7/0xf0 Jan 15 18:58:07 minipc kernel: [ 2946.184416] [<ffffffff81015267>] do_notify_resume+0x97/0xb0 Jan 15 18:58:07 minipc kernel: [ 2946.184419] [<ffffffff81788cea>] int_signal+0x12/0x17 Jan 15 18:58:07 minipc kernel: [ 2946.184421] ---[ end trace 167074d7c3fac552 ]--- Jan 15 18:58:07 minipc kernel: [ 2946.184422] ------------[ cut here ]------------ Jan 15 18:58:07 minipc kernel: [ 2946.184425] WARNING: CPU: 1 PID: 4716 at /build/buildd/linux-3.16.0/fs/sysfs/group.c:219 sysfs_remove_group+0x99/0xa0() Jan 15 18:58:07 minipc kernel: [ 2946.184427] sysfs group ffffffff81cd6c20 not found for kobject 'input16' Jan 15 18:58:07 minipc kernel: [ 2946.184428] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev media snd_usb_audio snd_usbmidi_lib xt_CHECKSUM iptable_mangle ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge stp llc nfsv3 ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi bnep rfcomm bluetooth 6lowpan_iphc rpcsec_gss_krb5 dm_crypt nfsv4 binfmt_misc nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache ir_lirc_codec ir_mce_kbd_decoder lirc_dev ir_sharp_decoder ir_sanyo_decoder ir_sony_decoder ir_jvc_decoder ir_rc6_decoder ir_nec_decoder ir_rc5_decoder rc_rc6_mce pl2303 usbserial mceusb rc_core joydev coretemp kvm_intel snd_hda_codec_realtek kvm snd_hda_codec_generic snd_hda_intel snd_hda_controller serio_raw snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer snd lpc_ich soundcore mac_hid parport_pc ppdev lp parport hid_generic usbhid hid i915 video i2c_algo_bit drm_kms_helper psmouse drm e1000e firewire_ohci firewire_core ptp crc_itu_t pata_acpi pps_core Jan 15 18:58:07 minipc kernel: [ 2946.184496] CPU: 1 PID: 4716 Comm: MediaManager Tainted: G W 3.16.0-29-lowlatency #39-Ubuntu Jan 15 18:58:07 minipc kernel: [ 2946.184497] Hardware name: AOpen i965GMx-IF/i965GMx-IF, BIOS 6.00 PG 10/03/2008 Jan 15 18:58:07 minipc kernel: [ 2946.184499] 0000000000000009 ffff8800747d7c00 ffffffff8178100b ffff8800747d7c48 Jan 15 18:58:07 minipc kernel: [ 2946.184502] ffff8800747d7c38 ffffffff8107199d 0000000000000000 ffffffff81cd6c20 Jan 15 18:58:07 minipc kernel: [ 2946.184505] ffff880123c53a58 ffffffff81cd6bc0 ffff88012953a520 ffff8800747d7c98 Jan 15 18:58:07 minipc kernel: [ 2946.184508] Call Trace: Jan 15 18:58:07 minipc kernel: [ 2946.184511] [<ffffffff8178100b>] dump_stack+0x4d/0x6f Jan 15 18:58:07 minipc kernel: [ 2946.184514] [<ffffffff8107199d>] warn_slowpath_common+0x7d/0xa0 Jan 15 18:58:07 minipc kernel: [ 2946.184517] [<ffffffff81071a0c>] warn_slowpath_fmt+0x4c/0x50 Jan 15 18:58:07 minipc kernel: [ 2946.184520] [<ffffffff81258ed8>] ? kernfs_find_and_get_ns+0x48/0x60 Jan 15 18:58:07 minipc kernel: [ 2946.184522] [<ffffffff8125c949>] sysfs_remove_group+0x99/0xa0 Jan 15 18:58:07 minipc kernel: [ 2946.184525] [<ffffffff8125ca23>] sysfs_remove_groups+0x33/0x50 Jan 15 18:58:07 minipc kernel: [ 2946.184528] [<ffffffff814cec3e>] device_remove_attrs+0x5e/0x80 Jan 15 18:58:07 minipc kernel: [ 2946.184531] [<ffffffff814cf591>] device_del+0x121/0x1d0 Jan 15 18:58:07 minipc kernel: [ 2946.184534] [<ffffffff815cf0ac>] __input_unregister_device+0x13c/0x160 Jan 15 18:58:07 minipc kernel: [ 2946.184537] [<ffffffff815cf18d>] input_unregister_device+0x4d/0x80 Jan 15 18:58:07 minipc kernel: [ 2946.184541] [<ffffffffc0b95172>] uvc_status_cleanup+0x42/0x50 [uvcvideo] Jan 15 18:58:07 minipc kernel: [ 2946.184545] [<ffffffffc0b8a1fd>] uvc_delete+0x2d/0x180 [uvcvideo] Jan 15 18:58:07 minipc kernel: [ 2946.184548] [<ffffffffc0b8a439>] uvc_release+0x29/0x30 [uvcvideo] Jan 15 18:58:07 minipc kernel: [ 2946.184553] [<ffffffffc0b4a9f9>] v4l2_device_release+0xd9/0x110 [videodev] Jan 15 18:58:07 minipc kernel: [ 2946.184556] [<ffffffff814ced02>] device_release+0x32/0xa0 Jan 15 18:58:07 minipc kernel: [ 2946.184559] [<ffffffff813a136a>] kobject_release+0x7a/0x1c0 Jan 15 18:58:07 minipc kernel: [ 2946.184562] [<ffffffff813a120d>] kobject_put+0x2d/0x60 Jan 15 18:58:07 minipc kernel: [ 2946.184565] [<ffffffff814cf017>] put_device+0x17/0x20 Jan 15 18:58:07 minipc kernel: [ 2946.184570] [<ffffffffc0b49491>] v4l2_release+0x51/0x80 [videodev] Jan 15 18:58:07 minipc kernel: [ 2946.184572] [<ffffffff811e4593>] __fput+0xd3/0x230 Jan 15 18:58:07 minipc kernel: [ 2946.184575] [<ffffffff811e473e>] ____fput+0xe/0x10 Jan 15 18:58:07 minipc kernel: [ 2946.184578] [<ffffffff810926d7>] task_work_run+0xb7/0xf0 Jan 15 18:58:07 minipc kernel: [ 2946.184581] [<ffffffff81015267>] do_notify_resume+0x97/0xb0 Jan 15 18:58:07 minipc kernel: [ 2946.184584] [<ffffffff81788cea>] int_signal+0x12/0x17 Jan 15 18:58:07 minipc kernel: [ 2946.184586] ---[ end trace 167074d7c3fac553 ]--- Jan 15 18:58:07 minipc kernel: [ 2946.184691] ------------[ cut here ]------------ Jan 15 18:58:07 minipc kernel: [ 2946.184696] WARNING: CPU: 1 PID: 4716 at /build/buildd/linux-3.16.0/fs/sysfs/group.c:219 sysfs_remove_group+0x99/0xa0() Jan 15 18:58:07 minipc kernel: [ 2946.184697] sysfs group ffffffff81cbe920 not found for kobject 'media0' Jan 15 18:58:07 minipc kernel: [ 2946.184699] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev media snd_usb_audio snd_usbmidi_lib xt_CHECKSUM iptable_mangle ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge stp llc nfsv3 ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi bnep rfcomm bluetooth 6lowpan_iphc rpcsec_gss_krb5 dm_crypt nfsv4 binfmt_misc nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache ir_lirc_codec ir_mce_kbd_decoder lirc_dev ir_sharp_decoder ir_sanyo_decoder ir_sony_decoder ir_jvc_decoder ir_rc6_decoder ir_nec_decoder ir_rc5_decoder rc_rc6_mce pl2303 usbserial mceusb rc_core joydev coretemp kvm_intel snd_hda_codec_realtek kvm snd_hda_codec_generic snd_hda_intel snd_hda_controller serio_raw snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer snd lpc_ich soundcore mac_hid parport_pc ppdev lp parport hid_generic usbhid hid i915 video i2c_algo_bit drm_kms_helper psmouse drm e1000e firewire_ohci firewire_core ptp crc_itu_t pata_acpi pps_core Jan 15 18:58:07 minipc kernel: [ 2946.184768] CPU: 1 PID: 4716 Comm: MediaManager Tainted: G W 3.16.0-29-lowlatency #39-Ubuntu Jan 15 18:58:07 minipc kernel: [ 2946.184769] Hardware name: AOpen i965GMx-IF/i965GMx-IF, BIOS 6.00 PG 10/03/2008 Jan 15 18:58:07 minipc kernel: [ 2946.184771] 0000000000000009 ffff8800747d7c38 ffffffff8178100b ffff8800747d7c80 Jan 15 18:58:07 minipc kernel: [ 2946.184774] ffff8800747d7c70 ffffffff8107199d 0000000000000000 ffffffff81cbe920 Jan 15 18:58:07 minipc kernel: [ 2946.184777] ffff880123c51898 ffff880123c55898 ffff88012953a520 ffff8800747d7cd0 Jan 15 18:58:07 minipc kernel: [ 2946.184780] Call Trace: Jan 15 18:58:07 minipc kernel: [ 2946.184783] [<ffffffff8178100b>] dump_stack+0x4d/0x6f Jan 15 18:58:07 minipc kernel: [ 2946.184787] [<ffffffff8107199d>] warn_slowpath_common+0x7d/0xa0 Jan 15 18:58:07 minipc kernel: [ 2946.184789] [<ffffffff81071a0c>] warn_slowpath_fmt+0x4c/0x50 Jan 15 18:58:07 minipc kernel: [ 2946.184792] [<ffffffff81258ed8>] ? kernfs_find_and_get_ns+0x48/0x60 Jan 15 18:58:07 minipc kernel: [ 2946.184795] [<ffffffff8125c949>] sysfs_remove_group+0x99/0xa0 Jan 15 18:58:07 minipc kernel: [ 2946.184798] [<ffffffff814da277>] dpm_sysfs_remove+0x57/0x60 Jan 15 18:58:07 minipc kernel: [ 2946.184801] [<ffffffff814cf4b5>] device_del+0x45/0x1d0 Jan 15 18:58:07 minipc kernel: [ 2946.184804] [<ffffffff814cf65e>] device_unregister+0x1e/0x70 Jan 15 18:58:07 minipc kernel: [ 2946.184809] [<ffffffffc0b3df89>] media_devnode_unregister+0x49/0x50 [media] Jan 15 18:58:07 minipc kernel: [ 2946.184813] [<ffffffffc0b3daec>] media_device_unregister+0x5c/0x70 [media] Jan 15 18:58:07 minipc kernel: [ 2946.184816] [<ffffffffc0b8a342>] uvc_delete+0x172/0x180 [uvcvideo] Jan 15 18:58:07 minipc kernel: [ 2946.184820] [<ffffffffc0b8a439>] uvc_release+0x29/0x30 [uvcvideo] Jan 15 18:58:07 minipc kernel: [ 2946.184825] [<ffffffffc0b4a9f9>] v4l2_device_release+0xd9/0x110 [videodev] Jan 15 18:58:07 minipc kernel: [ 2946.184828] [<ffffffff814ced02>] device_release+0x32/0xa0 Jan 15 18:58:07 minipc kernel: [ 2946.184831] [<ffffffff813a136a>] kobject_release+0x7a/0x1c0 Jan 15 18:58:07 minipc kernel: [ 2946.184834] [<ffffffff813a120d>] kobject_put+0x2d/0x60 Jan 15 18:58:07 minipc kernel: [ 2946.184837] [<ffffffff814cf017>] put_device+0x17/0x20 Jan 15 18:58:07 minipc kernel: [ 2946.184841] [<ffffffffc0b49491>] v4l2_release+0x51/0x80 [videodev] Jan 15 18:58:07 minipc kernel: [ 2946.184844] [<ffffffff811e4593>] __fput+0xd3/0x230 Jan 15 18:58:07 minipc kernel: [ 2946.184847] [<ffffffff811e473e>] ____fput+0xe/0x10 Jan 15 18:58:07 minipc kernel: [ 2946.184849] [<ffffffff810926d7>] task_work_run+0xb7/0xf0 Jan 15 18:58:07 minipc kernel: [ 2946.184853] [<ffffffff81015267>] do_notify_resume+0x97/0xb0 Jan 15 18:58:07 minipc kernel: [ 2946.184856] [<ffffffff81788cea>] int_signal+0x12/0x17 Jan 15 18:58:07 minipc kernel: [ 2946.184858] ---[ end trace 167074d7c3fac554 ]--- ProblemType: Bug DistroRelease: Ubuntu 14.10 Package: linux-image-lowlatency 3.16.0.29.30 ProcVersionSignature: Ubuntu 3.16.0-29.39-lowlatency 3.16.7-ckt2 Uname: Linux 3.16.0-29-lowlatency x86_64 ApportVersion: 2.14.7-0ubuntu8 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: pascal 3177 F.... pulseaudio /dev/snd/pcmC0D0p: pascal 3177 F...m pulseaudio /dev/snd/controlC0: pascal 3177 F.... pulseaudio CurrentDesktop: KDE Date: Thu Jan 15 18:59:43 2015 EcryptfsInUse: Yes InstallationDate: Installed on 2015-01-03 (12 days ago) InstallationMedia: Kubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1) IwConfig: eth0 no wireless extensions. virbr0 no wireless extensions. lo no wireless extensions. MachineType: AOpen i965GMx-IF ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-29-lowlatency root=UUID=076b58d2-a51a-4802-a928-ddafdecc1b83 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.16.0-29-lowlatency N/A linux-backports-modules-3.16.0-29-lowlatency N/A linux-firmware 1.138.1 RfKill: SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 10/03/2008 dmi.bios.vendor: Phoenix Technologies, LTD dmi.bios.version: 6.00 PG dmi.board.name: i965GMx-IF dmi.board.vendor: AOpen dmi.board.version: 558EX10I690 dmi.chassis.type: 3 dmi.chassis.vendor: AOpen dmi.chassis.version: i965GMx-IF dmi.modalias: dmi:bvnPhoenixTechnologies,LTD:bvr6.00PG:bd10/03/2008:svnAOpen:pni965GMx-IF:pvrAO00001JW:rvnAOpen:rni965GMx-IF:rvr558EX10I690:cvnAOpen:ct3:cvri965GMx-IF: dmi.product.name: i965GMx-IF dmi.product.version: AO00001JW dmi.sys.vendor: AOpen when using firefox Hello videochat application, the webcam crashes. Step to reproduce: 1. start firefox Hello 2. click on start a conversation 3. the webcam starts and hello displays the video 4. just wait until the webcam disconnects then the following appear in the syslog: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1411357/+attachment/4305725/+files/syslog ProblemType: Bug DistroRelease: Ubuntu 14.10 Package: linux-image-lowlatency 3.16.0.29.30 ProcVersionSignature: Ubuntu 3.16.0-29.39-lowlatency 3.16.7-ckt2 Uname: Linux 3.16.0-29-lowlatency x86_64 ApportVersion: 2.14.7-0ubuntu8 Architecture: amd64 AudioDevicesInUse:  USER PID ACCESS COMMAND  /dev/snd/controlC1: pascal 3177 F.... pulseaudio  /dev/snd/pcmC0D0p: pascal 3177 F...m pulseaudio  /dev/snd/controlC0: pascal 3177 F.... pulseaudio CurrentDesktop: KDE Date: Thu Jan 15 18:59:43 2015 EcryptfsInUse: Yes InstallationDate: Installed on 2015-01-03 (12 days ago) InstallationMedia: Kubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1) IwConfig:  eth0 no wireless extensions.  virbr0 no wireless extensions.  lo no wireless extensions. MachineType: AOpen i965GMx-IF ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-29-lowlatency root=UUID=076b58d2-a51a-4802-a928-ddafdecc1b83 ro quiet splash vt.handoff=7 RelatedPackageVersions:  linux-restricted-modules-3.16.0-29-lowlatency N/A  linux-backports-modules-3.16.0-29-lowlatency N/A  linux-firmware 1.138.1 RfKill: SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 10/03/2008 dmi.bios.vendor: Phoenix Technologies, LTD dmi.bios.version: 6.00 PG dmi.board.name: i965GMx-IF dmi.board.vendor: AOpen dmi.board.version: 558EX10I690 dmi.chassis.type: 3 dmi.chassis.vendor: AOpen dmi.chassis.version: i965GMx-IF dmi.modalias: dmi:bvnPhoenixTechnologies,LTD:bvr6.00PG:bd10/03/2008:svnAOpen:pni965GMx-IF:pvrAO00001JW:rvnAOpen:rni965GMx-IF:rvr558EX10I690:cvnAOpen:ct3:cvri965GMx-IF: dmi.product.name: i965GMx-IF dmi.product.version: AO00001JW dmi.sys.vendor: AOpen
2015-01-26 12:05:23 penalvch tags amd64 apport-bug kernel-bug-exists-upstream kernel-bug-exists-upstream-3.19.0-031900rc4 utopic amd64 apport-bug kernel-bug-exists-upstream kernel-bug-exists-upstream-3.19rc4 utopic
2015-01-26 12:05:28 penalvch tags amd64 apport-bug kernel-bug-exists-upstream kernel-bug-exists-upstream-3.19rc4 utopic amd64 apport-bug kernel-bug-exists-upstream kernel-bug-exists-upstream-3.19-rc4 utopic
2015-01-28 19:04:12 P attachment added test with kernel 3.19.0-031900rc6-lowlatency #201501261152 https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1411357/+attachment/4307408/+files/test2.txt
2015-01-29 00:29:52 penalvch tags amd64 apport-bug kernel-bug-exists-upstream kernel-bug-exists-upstream-3.19-rc4 utopic amd64 apport-bug kernel-bug-exists-upstream kernel-bug-exists-upstream-3.19-rc6 utopic
2015-01-30 00:54:27 penalvch linux (Ubuntu): status Incomplete Triaged