[ 1717.073884] usb 5-5: new high speed USB device using ehci_hcd and address 5 [ 1717.213631] usb 5-5: configuration #1 chosen from 1 choice [ 1717.214851] em28xx new video device (0ccd:0072): interface 0, class 255 [ 1717.214858] em28xx: device is attached to a USB 2.0 bus [ 1717.214864] em28xx #0: Alternate settings: 8 [ 1717.214867] em28xx #0: Alternate setting 0, max size= 0 [ 1717.214870] em28xx #0: Alternate setting 1, max size= 0 [ 1717.214873] em28xx #0: Alternate setting 2, max size= 1448 [ 1717.214876] em28xx #0: Alternate setting 3, max size= 2048 [ 1717.214879] em28xx #0: Alternate setting 4, max size= 2304 [ 1717.214882] em28xx #0: Alternate setting 5, max size= 2580 [ 1717.214885] em28xx #0: Alternate setting 6, max size= 2892 [ 1717.214888] em28xx #0: Alternate setting 7, max size= 3072 [ 1717.217075] device has gpio reset values stored on board [ 1717.274817] input: em2880/em2870 remote control as /devices/virtual/input/input9 [ 1717.322792] em28xx-input.c: remote control handler attached [ 1717.525094] cx25843.c: starting probe for adapter em28xx #0 (0x1001f) [ 1717.525778] cx25843.c: detecting cx25843 client on address 0x88 [ 1717.526071] attach_inform: msp34xx/cx25843 detected. [ 1718.955373] trying to attach xc5000 [ 1718.955463] attaching xc5000 tuner module [ 1720.411326] returning module: 55448240 [ 1720.411335] successfully attached tuner [ 1720.415358] radio device registered as /dev/radio0 [ 1720.416333] Unable to handle kernel NULL pointer dereference at 0000000000000268 RIP: [ 1720.416343] [] :em28xx:em28xx_v4l2_open+0x2e/0x620 [ 1720.416364] PGD 6e607067 PUD 55492067 PMD 0 [ 1720.416370] Oops: 0000 [1] SMP [ 1720.416375] CPU 1 [ 1720.416379] Modules linked in: isofs udf b44 ssb mii iwl3945 iwlwifi_mac80211 cfg80211 snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss zl10353 em28xx_dvb dvb_core tuner tea5767 tda8290 tuner_simple mt20xx tea5761 em28xx_audio xc5000_tuner em28xx_cx25843 em28xx i2c_core videodev v4l2_common v4l1_compat af_packet binfmt_misc rfcomm l2cap ipv6 ppdev acpi_cpufreq cpufreq_stats cpufreq_ondemand freq_table cpufreq_powersave cpufreq_userspace cpufreq_conservative sbs sbshc dock iptable_filter ip_tables x_tables sbp2 parport_pc lp parport arc4 ecb blkcipher pcmcia joydev snd_hda_intel snd_pcm snd_page_alloc snd_hwdep hci_usb bluetooth serio_raw container yenta_socket sr_mod cdrom snd_timer video output rsrc_nonstatic pcmcia_core battery psmouse wmi_acer ac button snd intel_agp iTCO_wdt iTCO_vendor_support shpchp pci_hotplug evdev soundcore pata_acpi pcspkr ext3 jbd mbcache sg sd_mod ata_piix ohci1394 ata_generic ahci ieee1394 libata scsi_mod ehci_hcd uhci_hcd usbcore thermal processor fan fbcon tileblit font bitblit softcursor fuse [ 1720.416519] Pid: 8045, comm: hald-probe-vide Not tainted 2.6.24-16-generic #1 [ 1720.416524] RIP: 0010:[] [] :em28xx:em28xx_v4l2_open+0x2e/0x620 [ 1720.416541] RSP: 0018:ffff81007cf59d98 EFLAGS: 00010283 [ 1720.416545] RAX: 0000000000000000 RBX: ffff81006e8c9000 RCX: ffffffff884a2320 [ 1720.416550] RDX: ffffffff884a2540 RSI: ffff81006e84c000 RDI: ffff81007c99b700 [ 1720.416554] RBP: 0000000000000040 R08: 0000000000000000 R09: 0000000000000000 [ 1720.416558] R10: 0000000000000000 R11: ffffffff803112a0 R12: 0000000000000000 [ 1720.416562] R13: ffff81007c99b700 R14: ffff81006e84c000 R15: ffff81006e84c000 [ 1720.416568] FS: 00007fc596ff16e0(0000) GS:ffff81007d401700(0000) knlGS:0000000000000000 [ 1720.416572] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 1720.416576] CR2: 0000000000000268 CR3: 000000006e9b9000 CR4: 00000000000006a0 [ 1720.416580] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1720.416585] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 1720.416589] Process hald-probe-vide (pid: 8045, threadinfo ffff81007cf58000, task ffff81006e9727c0) [ 1720.416594] Stack: ffff8100554a8000 ffff81007ca4a2c0 0000000000000000 ffffffff802b02ec [ 1720.416605] 0000000000000000 ffffffff88479d20 ffff81006e84c000 0000000000000000 [ 1720.416614] ffff81007c99b700 ffff81006e84c000 ffffffff802b0730 ffffffff8847973d [ 1720.416622] Call Trace: [ 1720.416638] [] exact_lock+0xc/0x20 [ 1720.416656] [] chrdev_open+0x0/0x1d0 [ 1720.416665] [] :videodev:video_open+0xbd/0x180 [ 1720.416681] [] chrdev_open+0xc1/0x1d0 [ 1720.416699] [] __dentry_open+0xdb/0x200 [ 1720.416717] [] do_filp_open+0x3a/0x50 [ 1720.416745] [] get_unused_fd_flags+0x77/0x120 [ 1720.416763] [] do_sys_open+0x5a/0xf0 [ 1720.416778] [] system_call+0x7e/0x83 [ 1720.416807] [ 1720.416809] [ 1720.416810] Code: 39 a8 68 02 00 00 0f 84 92 02 00 00 8b 53 44 84 d2 79 13 48 [ 1720.416829] RIP [] :em28xx:em28xx_v4l2_open+0x2e/0x620 [ 1720.416846] RSP [ 1720.416850] CR2: 0000000000000268 [ 1720.416853] ---[ end trace 1c39dfd4dc10cb8a ]--- [ 1720.417687] em28xx #0: AC97 command still being executed: not handled properly!