Ich hab mal ein kleines snippet aus dem log gezogen. es geht erst vernünftig los:
Jan 14 21:47:15 musicbox tvheadend[2596]: START: HTS Tvheadend version 3.4.27~gfbda802~wheezy started, running as PID:2596 UID:115 GID:44, settings located in '/home/hts/.hts/tvheadend'
Jan 14 21:47:16 musicbox tvheadend[2596]: AVAHI: Service 'Tvheadend' successfully established.
Jan 14 21:47:45 musicbox tvheadend[2596]: dvb: New mux "12,551,500 kHz Vertical (Default (Port 0, Universal LNB))" created by built-in configuration from "dvb-s_Astra_19_2E"
Jan 14 21:47:51 musicbox tvheadend[2596]: dvb: New mux ": 11,719,500 kHz Horizontal (Default (Port 0, Universal LNB))" created by automatic mux discovery
Jan 14 21:47:51 musicbox tvheadend[2596]: dvb: New mux ": 12,480,000 kHz Vertical (Default (Port 0, Universal LNB))" created by automatic mux discovery
Jan 14 21:47:51 musicbox tvheadend[2596]: dvb: New mux ": 12,031,500 kHz Horizontal (Default (Port 0, Universal LNB))" created by automatic mux discovery
Jan 14 21:47:51 musicbox tvheadend[2596]: dvb: New mux ": 12,460,500 kHz Horizontal (Default (Port 0, Universal LNB))" created by automatic mux discovery
Jan 14 21:47:51 musicbox tvheadend[2596]: dvb: New mux ": 11,914,500 kHz Horizontal (Default (Port 0, Universal LNB))" created by automatic mux discovery
Jan 14 21:47:51 musicbox tvheadend[2596]: dvb: New mux ": 12,148,500 kHz Horizontal (Default (Port 0, Universal LNB))" created by automatic mux discovery
Jan 14 21:47:51 musicbox tvheadend[2596]: dvb: New mux ": 11,552,750 kHz Horizontal (Default (Port 0, Universal LNB))" created by automatic mux discovery
aber dann:
Jan 14 21:52:27 musicbox kernel: [ 551.956552] ------------[ cut here ]------------
Jan 14 21:52:27 musicbox kernel: [ 551.956575] WARNING: CPU: 1 PID: 1194 at /build/buildd/linux-3.13.0/drivers/usb/host/xhci-ring.c:613 xhci_find_new_dequeue_state+0x18d/0x350()
Jan 14 21:52:27 musicbox kernel: [ 551.956578] Modules linked in: bnep dm_multipath scsi_dh rfcomm arc4 intel_rapl iwlmvm mac80211 coretemp snd_hda_codec_hdmi snd_hda_codec_realtek kvm_intel kvm crc32_pclmul serio_raw snd_hda_intel snd_hda_codec snd_hwdep btusb bluetooth snd_pcm snd_page_alloc snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer iwlwifi ir_lirc_codec binfmt_misc lirc_dev ir_mce_kbd_decoder ir_sanyo_decoder ir_sony_decoder ir_jvc_decoder ir_rc6_decoder ir_rc5_decoder ir_nec_decoder snd cfg80211 soundcore rc_rc6_mce ite_cir rc_core parport_pc ppdev mac_hid lp parport hid_generic usbhid hid dm_mirror dm_region_hash dm_log i915 r8169 mii psmouse i2c_algo_bit drm_kms_helper drm video
Jan 14 21:52:27 musicbox kernel: [ 551.956656] CPU: 1 PID: 1194 Comm: mediasrv Not tainted 3.13.0-37-generic #64-Ubuntu
Jan 14 21:52:27 musicbox kernel: [ 551.956659] Hardware name: ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ/DN2820FYK, BIOS FYBYT10H.86A.0041.2014.1029.1807 10/29/2014
Jan 14 21:52:27 musicbox kernel: [ 551.956663] 00000000 00000000 f08c3d18 c1653867 00000000 f08c3d48 c105691e c1830cd4
Jan 14 21:52:27 musicbox kernel: [ 551.956672] 00000001 000004aa c1894c84 00000265 c14dc2fd c14dc2fd f08c3dc4 e5087540
Jan 14 21:52:27 musicbox kernel: [ 551.956679] ee9967f0 f08c3d58 c10569e2 00000009 00000000 f08c3d98 c14dc2fd f6d22000
Jan 14 21:52:27 musicbox kernel: [ 551.956687] Call Trace:
Jan 14 21:52:27 musicbox kernel: [ 551.956699] [<c1653867>] dump_stack+0x41/0x52
Jan 14 21:52:27 musicbox kernel: [ 551.956707] [<c105691e>] warn_slowpath_common+0x7e/0xa0
Jan 14 21:52:27 musicbox kernel: [ 551.956711] [<c14dc2fd>] ? xhci_find_new_dequeue_state+0x18d/0x350
Jan 14 21:52:27 musicbox kernel: [ 551.956716] [<c14dc2fd>] ? xhci_find_new_dequeue_state+0x18d/0x350
und später
Jan 14 21:52:27 musicbox kernel: [ 551.956830] BUG: unable to handle kernel NULL pointer dereference at 00000008
Jan 14 21:52:27 musicbox kernel: [ 551.956937] IP: [<c14dc52f>] xhci_queue_new_dequeue_state+0x6f/0x1d0
Jan 14 21:52:27 musicbox kernel: [ 551.957022] *pdpt = 000000002d4e8001 *pde = 0000000000000000
Jan 14 21:52:27 musicbox kernel: [ 551.957098] Oops: 0000 [#1] SMP
Jan 14 21:52:27 musicbox kernel: [ 551.957143] Modules linked in: bnep dm_multipath scsi_dh rfcomm arc4 intel_rapl iwlmvm mac80211 coretemp snd_hda_codec_hdmi snd_hda_codec_realtek kvm_intel kvm crc32_pclmul serio_raw snd_hda_intel snd_hda_codec snd_hwdep btusb bluetooth snd_pcm snd_page_alloc snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer iwlwifi ir_lirc_codec binfmt_misc lirc_dev ir_mce_kbd_decoder ir_sanyo_decoder ir_sony_decoder ir_jvc_decoder ir_rc6_decoder ir_rc5_decoder ir_nec_decoder snd cfg80211 soundcore rc_rc6_mce ite_cir rc_core parport_pc ppdev mac_hid lp parport hid_generic usbhid hid dm_mirror dm_region_hash dm_log i915 r8169 mii psmouse i2c_algo_bit drm_kms_helper drm video
Jan 14 21:52:27 musicbox kernel: [ 551.958014] CPU: 1 PID: 1194 Comm: mediasrv Tainted: G W 3.13.0-37-generic #64-Ubuntu
Jan 14 21:52:27 musicbox kernel: [ 551.958128] Hardware name: ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ/DN2820FYK, BIOS FYBYT10H.86A.0041.2014.1029.1807 10/29/2014
Jan 14 21:52:27 musicbox kernel: [ 551.958304] task: eed20d00 ti: f08c2000 task.ti: f08c2000
Jan 14 21:52:27 musicbox kernel: [ 551.958375] EIP: 0060:[<c14dc52f>] EFLAGS: 00010046 CPU: 1
Jan 14 21:52:27 musicbox kernel: [ 551.958451] EIP is at xhci_queue_new_dequeue_state+0x6f/0x1d0
Jan 14 21:52:27 musicbox kernel: [ 551.958525] EAX: 00000000 EBX: f08c3dc4 ECX: 00000000 EDX: 00000000
Jan 14 21:52:27 musicbox kernel: [ 551.958604] ESI: 00000000 EDI: ee996820 EBP: f08c3d98 ESP: f08c3d48
Jan 14 21:52:27 musicbox kernel: [ 551.958683] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
Jan 14 21:52:27 musicbox kernel: [ 551.958751] CR0: 8005003b CR2: 00000008 CR3: 30fd8000 CR4: 001007f0
Jan 14 21:52:27 musicbox kernel: [ 551.958829] Stack:
Jan 14 21:52:27 musicbox kernel: [ 551.958856] f08c3d58 c10569e2 00000009 00000000 f08c3d98 c14dc2fd ee996820 00000000
Jan 14 21:52:27 musicbox kernel: [ 551.958964] 00000000 00000000 c14e4697 00000002 efec5660 0000002a f6f98124 00000002
Jan 14 21:52:27 musicbox kernel: [ 551.959070] f6d22000 f6f98124 f6344000 f6d22000 f08c3ddc c14d465d 00000000 f08c3dc4
Jan 14 21:52:27 musicbox kernel: [ 551.959178] Call Trace:
Jan 14 21:52:27 musicbox kernel: [ 551.959217] [<c10569e2>] ? warn_slowpath_null+0x22/0x30
irgendwie riecht es doch nach USB, oder?