Hello, after years of not using the dongle I wanted to use it. And I ended up like this. Previously dongle worked correctly. It is not broken I checked it in Windows. [ 22.050048] usb 3-1: new high-speed USB device number 3 using xhci_hcd [ 22.190321] usb 3-1: New USB device found, idVendor=0413, idProduct=6025 [ 22.190323] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 23.218049] dvb-usb: found a 'Leadtek - USB2.0 Winfast DTV dongle' in cold state, will try to load a firmware [ 23.218287] dvb-usb: downloading firmware from file 'dvb-usb-dibusb-6.0.0.8.fw' [ 23.235307] usbcore: registered new interface driver dvb_usb_dibusb_mc [ 23.237929] usb 3-1: USB disconnect, device number 3 [ 23.237953] dvb-usb: generic DVB-USB module successfully deinitialized and disconnected. [ 25.015530] usb 3-1: new high-speed USB device number 4 using xhci_hcd [ 25.164366] usb 3-1: New USB device found, idVendor=0413, idProduct=6026 [ 25.164378] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 25.164380] usb 3-1: Product: MOD3000 [ 25.164380] usb 3-1: Manufacturer: STAE [ 25.165057] dvb-usb: found a 'Leadtek - USB2.0 Winfast DTV dongle' in warm state. [ 25.165251] dvb-usb: will pass the complete MPEG2 transport stream to the software demuxer. [ 25.169325] dvbdev: DVB: registering new adapter (Leadtek - USB2.0 Winfast DTV dongle) [ 25.169784] ------------[ cut here ]------------ [ 25.169791] WARNING: CPU: 3 PID: 29 at /home/kernel/COD/linux/drivers/usb/core/hcd.c:1587 usb_hcd_map_urb_for_dma+0x37f/0x570 [ 25.169791] transfer buffer not dma capable [ 25.169792] Modules linked in: dvb_usb_dibusb_mc dvb_usb_dibusb_mc_common dvb_usb_dibusb_common dib3000mc dibx000_common dvb_usb dvb_core rc_core ccm xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack libcrc32c ipt_REJECT nf_reject_ipv4 xt_tcpudp bridge stp llc ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter ip_tables x_tables rfcomm bnep intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc arc4 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic aesni_intel snd_hda_intel iwldvm aes_x86_64 snd_hda_codec crypto_simd glue_helper snd_hda_core cryptd mac80211 snd_seq_midi snd_hwdep uvcvideo videobuf2_vmalloc intel_cstate [ 25.169819] intel_rapl_perf thinkpad_acpi snd_seq_midi_event joydev input_leds videobuf2_memops snd_pcm serio_raw videobuf2_v4l2 snd_rawmidi videobuf2_core btusb iwlwifi videodev snd_seq cfg80211 btrtl media nvram mei_me btbcm btintel snd_seq_device bluetooth lpc_ich snd_timer shpchp mei snd soundcore mac_hid kvm_intel kvm irqbypass parport_pc sunrpc ppdev lp parport autofs4 btrfs xor raid6_pq i915 i2c_algo_bit psmouse drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ahci e1000e drm libahci sdhci_pci sdhci ptp pps_core wmi video [ 25.169854] CPU: 3 PID: 29 Comm: kworker/3:0 Not tainted 4.11.6-041106-generic #201706170517 [ 25.169855] Hardware name: LENOVO 2325CK9/2325CK9, BIOS G2ETA7WW (2.67 ) 09/09/2016 [ 25.169857] Workqueue: usb_hub_wq hub_event [ 25.169858] Call Trace: [ 25.169862] dump_stack+0x63/0x81 [ 25.169864] __warn+0xcb/0xf0 [ 25.169864] warn_slowpath_fmt+0x5a/0x80 [ 25.169866] usb_hcd_map_urb_for_dma+0x37f/0x570 [ 25.169867] usb_hcd_submit_urb+0x35c/0xb90 [ 25.169869] ? del_timer_sync+0x48/0x50 [ 25.169871] ? schedule_timeout+0x184/0x310 [ 25.169872] ? del_timer_sync+0x50/0x50 [ 25.169874] usb_submit_urb.part.8+0x30b/0x530 [ 25.169875] ? wait_for_completion_timeout+0xb8/0x140 [ 25.169876] usb_submit_urb+0x62/0x70 [ 25.169878] usb_start_wait_urb+0x6e/0x170 [ 25.169879] usb_bulk_msg+0xbd/0x160 [ 25.169882] dvb_usb_generic_rw+0x15f/0x1e0 [dvb_usb] [ 25.169884] dibusb_i2c_msg+0xcf/0x130 [dvb_usb_dibusb_common] [ 25.169886] dibusb_i2c_xfer+0x13c/0x150 [dvb_usb_dibusb_common] [ 25.169887] __i2c_transfer+0x115/0x3f0 [ 25.169889] ? dvb_usb_fe_sleep+0x60/0x60 [dvb_usb] [ 25.169890] i2c_transfer+0x5c/0xc0 [ 25.169892] dib3000mc_read_word+0x9a/0x100 [dib3000mc] [ 25.169893] dib3000mc_identify+0x17/0xc0 [dib3000mc] [ 25.169895] ? dib3000mc_identify+0x17/0xc0 [dib3000mc] [ 25.169896] dib3000mc_attach+0x6e/0x450 [dib3000mc] [ 25.169897] dibusb_dib3000mc_frontend_attach+0x4c/0x160 [dvb_usb_dibusb_mc_common] [ 25.169899] dvb_usb_adapter_frontend_init+0xdf/0x190 [dvb_usb] [ 25.169900] dvb_usb_device_init+0x4ca/0x630 [dvb_usb] [ 25.169902] dibusb_mc_probe+0x25/0x27 [dvb_usb_dibusb_mc] [ 25.169903] usb_probe_interface+0x159/0x2d0 [ 25.169905] driver_probe_device+0x2bb/0x460 [ 25.169906] __device_attach_driver+0x8c/0x100 [ 25.169908] ? __driver_attach+0xf0/0xf0 [ 25.169909] bus_for_each_drv+0x67/0xb0 [ 25.169910] __device_attach+0xdd/0x160 [ 25.169912] device_initial_probe+0x13/0x20 [ 25.169913] bus_probe_device+0x92/0xa0 [ 25.169914] device_add+0x373/0x630 [ 25.169916] usb_set_configuration+0x5d2/0x8c0 [ 25.169918] generic_probe+0x2e/0x80 [ 25.169919] usb_probe_device+0x2e/0x70 [ 25.169920] driver_probe_device+0x2bb/0x460 [ 25.169921] __device_attach_driver+0x8c/0x100 [ 25.169922] ? __driver_attach+0xf0/0xf0 [ 25.169923] bus_for_each_drv+0x67/0xb0 [ 25.169924] __device_attach+0xdd/0x160 [ 25.169926] device_initial_probe+0x13/0x20 [ 25.169927] bus_probe_device+0x92/0xa0 [ 25.169928] device_add+0x373/0x630 [ 25.169930] ? random_poll+0x50/0x80 [ 25.169932] usb_new_device+0x275/0x490 [ 25.169933] hub_port_connect+0x50e/0x9d0 [ 25.169934] hub_event+0x958/0xb10 [ 25.169936] ? pick_next_task_fair+0x319/0x540 [ 25.169938] process_one_work+0x1fc/0x4b0 [ 25.169939] worker_thread+0x4b/0x500 [ 25.169941] kthread+0x109/0x140 [ 25.169942] ? process_one_work+0x4b0/0x4b0 [ 25.169944] ? kthread_create_on_node+0x70/0x70 [ 25.169945] ret_from_fork+0x2c/0x40 [ 25.169946] ---[ end trace 61ae6724a5bf0373 ]--- [ 25.169947] dvb-usb: recv bulk message failed: -11 [ 25.170105] dvb-usb: recv bulk message failed: -11 [ 25.170108] dvb-usb: no frontend was attached by 'Leadtek - USB2.0 Winfast DTV dongle' Best regards Michal