This happens when unplugging a cinergyT2: Sep 28 20:02:39 dvbmon kernel: usb 3-1: USB disconnect, address 2 Sep 28 20:02:39 dvbmon kernel: klogd 1.4.1, ---------- state change ---------- Sep 28 20:02:39 dvbmon kernel: usb 3-1: new high speed USB device using ehci_hcd and address 6 Sep 28 20:02:40 dvbmon kernel: DVB: registering new adapter (TerraTec/qanu USB2.0 Highspeed DVB-T Receiver). Sep 28 20:02:40 dvbmon kernel: usb 3-2: USB disconnect, address 3 Sep 28 20:02:40 dvbmon kernel: usb 3-2: new high speed USB device using ehci_hcd and address 7 Sep 28 20:02:40 dvbmon kernel: general protection fault: 0000 [1] Sep 28 20:02:40 dvbmon kernel: CPU 0 Sep 28 20:02:40 dvbmon kernel: Modules linked in: af_packet dvb_usb_cxusb dvb_usb_digitv dvb_usb_umt_010 dvb_usb_nova_t_usb2 dvb_usb_a800 dvb_usb_dibusb_mc dvb_usb_dib usb_mb dvb_usb_dibusb_common dvb_usb_dtt200u dvb_usb_vp7045 dvb_usb cinergyT2 b2c2_flexcop_pci b2c2_flexcop_usb b2c2_flexcop stv0297_cs2 ttusb_dec dvb_ttusb_budget bud get_av budget_ci budget budget_core dvb_ttpci ttpci_eeprom saa7146_vv saa7146 ttusbdecfe s5h1420 bcm3510 nxt6000 nxt2002 stv0297 mt352 mt312 cx22702 cx24110 tda8083 l6 4781 dib3000mc dib3000mb dib3000_common tda10021 tda1004x ves1820 stv0299 cx22700 sp8870 ves1x93 dvb_pll dvb_core video_buf v4l2_common v4l1_compat videodev firmware_c lass hfsplus vfat fat subfs freq_table edd w83627hf eeprom i2c_sensor pcc_acpi i2c_isa sony_acpi button battery snd_pcm_oss ac snd_mixer_oss ipv6 ide_cd cdrom floppy r 8169 ohci1394 ieee1394 snd_intel8x0 snd_ac97_codec snd_ac97_bus snd_pcm snd_timer snd soundcore ehci_hcd snd_page_alloc forcedeth i2c_nforce2 i2c_core shpchp pci_hotpl ug ohci_hcd usbcore gener Sep 28 20:02:40 dvbmon kernel: ic parport_pc lp parport dm_mod reiserfs raid1 fan thermal processor sg sata_nv libata amd74xx sd_mod scsi_mod ide_disk ide_core Sep 28 20:02:40 dvbmon kernel: Pid: 3, comm: events/0 Tainted: GF U 2.6.13-9-default Sep 28 20:02:40 dvbmon kernel: RIP: 0010:[<ffffffff883f3853>] <ffffffff883f3853>{:cinergyT2:cinergyt2_command+67} Sep 28 20:02:40 dvbmon kernel: RSP: 0018:ffff81001fa27df8 EFLAGS: 00010292 Sep 28 20:02:40 dvbmon kernel: RAX: 0000000000000000 RBX: ffff81001bded449 RCX: 0000000000000001 Sep 28 20:02:40 dvbmon kernel: RDX: ffff81001fa27e47 RSI: ffff81001fa27e47 RDI: 76642c3262737500 Sep 28 20:02:40 dvbmon kernel: RBP: ffff81001bded000 R08: ffff81001fa27e00 R09: 00000000000003e8 Sep 28 20:02:40 dvbmon kernel: R10: ffff81001fa27e47 R11: 000000000000000a R12: ffff81001bded000 Sep 28 20:02:40 dvbmon kernel: R13: 0000000000000019 R14: ffff81001fa27e00 R15: 0000000000000000 Sep 28 20:02:40 dvbmon kernel: FS: 00002aaaab0186e0(0000) GS:ffffffff8049b800(0000) knlGS:00000000557da080 Sep 28 20:02:40 dvbmon kernel: CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b Sep 28 20:02:40 dvbmon kernel: CR2: 000000000051c9b8 CR3: 000000001a856000 CR4: 00000000000006e0 Sep 28 20:02:40 dvbmon kernel: Process events/0 (pid: 3, threadinfo ffff81001fa26000, task ffff81001fd006f0) Sep 28 20:02:40 dvbmon kernel: Stack: ffff81001fa27e68 0000000000000046 0000000000000000 ffff81001bded000 Sep 28 20:02:40 dvbmon kernel: 0000000000000000 ffff81001bded449 ffff81001bded2c8 ffffffff883f4401 Sep 28 20:02:40 dvbmon kernel: ffff81001fd70be0 0500000000000292 Sep 28 20:02:40 dvbmon kernel: Call Trace:<ffffffff883f4401>{:cinergyT2:cinergyt2_query+113} <ffffffff8014369f>{worker_thread+415} Sep 28 20:02:40 dvbmon kernel: <ffffffff801301c0>{default_wake_function+0} <ffffffff80143500>{worker_thread+0} Sep 28 20:02:40 dvbmon kernel: <ffffffff80143500>{worker_thread+0} <ffffffff8014778d>{kthread+205} Sep 28 20:02:40 dvbmon kernel: <ffffffff8010f392>{child_rip+8} <ffffffff80233520>{vgacon_cursor+0} Sep 28 20:02:40 dvbmon kernel: <ffffffff801476c0>{kthread+0} <ffffffff8010f38a>{child_rip+0} Sep 28 20:02:40 dvbmon kernel: Sep 28 20:02:40 dvbmon kernel: Sep 28 20:02:40 dvbmon kernel: Code: 8b 37 c1 e6 08 81 ce 00 80 00 c0 e8 6d 47 d2 ff 85 c0 89 c5 Sep 28 20:02:40 dvbmon kernel: RIP <ffffffff883f3853>{:cinergyT2:cinergyt2_command+67} RSP <ffff81001fa27df8> Sep 28 20:02:40 dvbmon kernel: DVB: registering new adapter (TerraTec/qanu USB2.0 Highspeed DVB-T Receiver).