Tvheadend

[  553.687076] dvb_ca adapter 0: DVB CAM detected and initialised successfully
[  987.500261] usb 1-4: USB disconnect, device number 6
[  987.500535] dvb-usb: bulk message failed: -19 (5/0)
[  987.500543] ttusb2: there might have been an error during control message transfer. (rlen = 1, was 0)
[  987.533920] dvb-usb: bulk message failed: -19 (9/0)
[  987.533927] ttusb2: there might have been an error during control message transfer. (rlen = 3, was 0)
[  987.533928] ttusb2: i2c transfer failed.
[  987.533931] tda10023: lock tuner fails
[  987.533934] dvb-usb: bulk message failed: -19 (9/0)
[  987.533936] ttusb2: there might have been an error during control message transfer. (rlen = 3, was 0)
[  987.533937] ttusb2: i2c transfer failed.
[  987.533939] tda10023: lock tuner fails
[  987.533942] dvb-usb: bulk message failed: -19 (9/0)
[  987.533944] ttusb2: there might have been an error during control message transfer. (rlen = 3, was 0)
[  987.533945] ttusb2: i2c transfer failed.
[  987.533949] dvb-usb: bulk message failed: -19 (9/0)
[  987.533951] ttusb2: there might have been an error during control message transfer. (rlen = 3, was 0)
[  987.533952] ttusb2: i2c transfer failed.
[  987.533954] tda10023: unlock tuner fails
[  987.533957] dvb-usb: bulk message failed: -19 (9/0)
[  987.533959] ttusb2: there might have been an error during control message transfer. (rlen = 3, was 0)
[  987.533960] ttusb2: i2c transfer failed.
[  987.533962] tda10023: unlock tuner fails
[  987.533965] dvb-usb: bulk message failed: -19 (9/0)
[  987.533967] ttusb2: there might have been an error during control message transfer. (rlen = 3, was 0)
[  987.533968] ttusb2: i2c transfer failed.
[  987.533971] DVB: TDA10023(0): tda10023_writereg, writereg error (reg == 0x1b, val == 0x02, ret == 0)
[  987.533975] dvb-usb: bulk message failed: -19 (9/0)
[  987.533978] ttusb2: there might have been an error during control message transfer. (rlen = 3, was 0)
[  987.533978] ttusb2: i2c transfer failed.
[  987.533982] DVB: TDA10023(0): tda10023_writereg, writereg error (reg == 0x00, val == 0x80, ret == 0)
[  987.533985] dvb-usb: bulk message failed: -19 (4/0)
[  987.533988] ttusb2: there might have been an error during control message transfer. (rlen = 0, was 0)
[  987.533990] dvb-usb: bulk message failed: -19 (5/0)
[  987.533992] ttusb2: there might have been an error during control message transfer. (rlen = 0, was 0)
[  988.207587] BUG: unable to handle kernel NULL pointer dereference at 0000000000000001
[  988.207734] IP: [<0000000000000001>] 0x1
[  988.207801] PGD 0

[  988.207863] Oops: 0010 [#1] SMP
[  988.207912] Modules linked in: binfmt_misc cpufreq_conservative cpufreq_userspace cpufreq_powersave cfg80211 nfsd auth_rpcgss nfs_acl nfs lockd grace fscache sunrpc bonding rc_tt_1500 tda10048 tda827x tda10023 dvb_usb_ttusb2 dvb_usb dvb_core rc_core snd_hda_codec_hdmi nls_ascii nls_cp437 vfat fat snd_hda_codec_realtek snd_hda_codec_generic zfs(POE) zunicode(POE) zavl(POE) zcommon(POE) znvpair(POE) intel_rapl spl(OE) intel_soc_dts_iosf intel_powerclamp coretemp kvm_intel iTCO_wdt iTCO_vendor_support kvm irqbypass crct10dif_pclmul crc32_pclmul ppdev ghash_clmulni_intel i915 cryptd snd_soc_rt5645 intel_cstate efi_pstore pcspkr snd_soc_rt5640 serio_raw snd_soc_rl6231 snd_intel_sst_acpi snd_intel_sst_core i2c_i801 drm_kms_helper snd_soc_sst_mfld_platform hci_uart snd_soc_sst_match i2c_smbus lpc_ich mfd_core
[  988.209213]  snd_soc_core efivars btbcm drm btqca snd_hda_intel btintel snd_hda_codec snd_compress i2c_algo_bit evdev snd_hda_core joydev snd_hwdep parport_pc shpchp parport battery snd_pcm bluetooth snd_timer video snd dw_dmac dw_dmac_core soundcore rfkill i2c_designware_platform tpm_tis i2c_designware_core tpm_tis_core tpm button fuse autofs4 ext4 crc16 jbd2 fscrypto mbcache btrfs xor raid6_pq dm_mod md_mod hid_generic usbhid sg sd_mod xhci_pci ahci xhci_hcd libahci libata usbcore crc32c_intel scsi_mod psmouse e1000e r8169 mii ptp pps_core usb_common thermal fan fjes i2c_hid hid sdhci_acpi sdhci mmc_core
[  988.210291] CPU: 1 PID: 3157 Comm: tvh:mtimer Tainted: P           OE   4.9.0-0.bpo.1-amd64 #1 Debian 4.9.2-2~bpo8+1
[  988.210436] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Q1900-ITX, BIOS P1.80 11/08/2016
[  988.210570] task: ffff98bd9a842fc0 task.stack: ffffbf5d022a4000
[  988.210654] RIP: 0010:[<0000000000000001>]  [<0000000000000001>] 0x1
[  988.210751] RSP: 0018:ffffbf5d022a7e98  EFLAGS: 00010202
[  988.210827] RAX: 0000000000000001 RBX: ffff98bdb1f3bf00 RCX: 00007f54ea7fb7ac
[  988.210927] RDX: 00007f54ea7fb7ac RSI: 0000000080046f45 RDI: ffff98bdb1f3bf00
[  988.211027] RBP: 00007f54ea7fb7ac R08: 0000000000000001 R09: 0000000000000128
[  988.211127] R10: ffff98bdb1f3bf38 R11: ffff98bdb1d8b680 R12: ffff98bdb274e708
[  988.211227] R13: 0000000000000025 R14: 0000000080046f45 R15: 00007f54ea7fb7ac
[  988.211328] FS:  00007f54ea7fc700(0000) GS:ffff98bdbfc80000(0000) knlGS:0000000000000000
[  988.211441] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  988.211523] CR2: 0000000000000001 CR3: 0000000225e3c000 CR4: 00000000001006e0
[  988.211622] Stack:
[  988.211655]  ffffffff84617b1b 0000000000000ee0 00000000801ddaad 0000000000000001
[  988.211779]  0000000000000081 00007f54ea7fbb10 000056345e565d80 0000000000000001
[  988.211901]  0000000000001c50 ffffffff844fbb23 00000000801ddaad 00007f54dc007a50
[  988.212023] Call Trace:
[  988.212068]  [<ffffffff84617b1b>] ? do_vfs_ioctl+0x9b/0x600
[  988.212153]  [<ffffffff844fbb23>] ? SyS_futex+0x83/0x180
[  988.212232]  [<ffffffff846180f6>] ? SyS_ioctl+0x76/0x90
[  988.212311]  [<ffffffff849fa1bb>] ? system_call_fast_compare_end+0xc/0x9b
[  988.212408] Code:  Bad RIP value.
[  988.212471] RIP  [<0000000000000001>] 0x1
[  988.212535]  RSP <ffffbf5d022a7e98>
[  988.212587] CR2: 0000000000000001
[  988.249245] ---[ end trace 956d19fac4ff75b3 ]---