On kernel-4.10.8-200.fc25.x86_64 I get: dvb-usb: found a 'DViCO FusionHDTV DVB-T USB (TH7579)' in warm state. dvb-usb: will pass the complete MPEG2 transport stream to the software demuxer. dvbdev: DVB: registering new adapter (DViCO FusionHDTV DVB-T USB (TH7579)) cx88xx: subsystem: 18ac:db10, board: DViCO FusionHDTV DVB-T Plus [card=21,autodetected], frontend(s): 1 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 788 at drivers/usb/core/hcd.c:1584 usb_hcd_map_urb_for_dma+0x37f/0x570 transfer buffer not dma capable Modules linked in: mt352 snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep cx8800(+) cx8802(+) videobuf2_dma_sg cx88xx videobuf2_memops videobuf2_v4l2 tveeprom videobuf2_core dvb_usb_cxusb(+) snd_seq v4l2_common snd_seq_device dib0070 videodev media i2c_algo_bit x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel i2c_i801 kvm irqbypass tpm_infineon tpm_tis crct10dif_pclmul crc32_pclmul ghash_clmulni_intel tpm_tis_core intel_cstate intel_uncore snd_pcm intel_rapl_perf snd_timer snd soundcore dvb_usb dvb_core rc_core lpc_ich shpchp tpm mei_me mei wmi binfmt_misc nfsd auth_rpcgss nfs_acl lockd grace sunrpc raid1 crc32c_intel uas serio_raw r8169 usb_storage mii fjes CPU: 0 PID: 788 Comm: systemd-udevd Not tainted 4.10.8-200.fc25.x86_64 #1 Hardware name: Gigabyte Technology Co., Ltd. Z68XP-UD3/Z68XP-UD3, BIOS F10 03/20/2012 Call Trace: dump_stack+0x63/0x86 __warn+0xcb/0xf0 warn_slowpath_fmt+0x5f/0x80 usb_hcd_map_urb_for_dma+0x37f/0x570 ? lock_timer_base+0x81/0xa0 usb_hcd_submit_urb+0x33e/0xb40 ? del_timer_sync+0x48/0x50 ? schedule_timeout+0x180/0x300 ? del_timer_sync+0x50/0x50 usb_submit_urb+0x2f6/0x570 ? wake_up_q+0x80/0x80 usb_start_wait_urb+0x6e/0x170 usb_bulk_msg+0xbd/0x160 dvb_usb_generic_rw+0x15f/0x1e0 [dvb_usb] cxusb_ctrl_msg+0x9e/0xe0 [dvb_usb_cxusb] cxusb_i2c_xfer+0x2bb/0x350 [dvb_usb_cxusb] ? find_symbol_in_section+0x3d/0xf0 ? each_symbol_section.part.12+0x183/0x1e0 __i2c_transfer+0x115/0x3f0 ? dvb_usb_fe_sleep+0x60/0x60 [dvb_usb] i2c_transfer+0x5c/0xc0 mt352_read_register+0x8c/0xe0 [mt352] mt352_attach+0x65/0x580 [mt352] cxusb_mt352_frontend_attach+0x63/0xe0 [dvb_usb_cxusb] dvb_usb_adapter_frontend_init+0xdf/0x190 [dvb_usb] dvb_usb_device_init+0x4ca/0x630 [dvb_usb] cxusb_probe+0xba/0x210 [dvb_usb_cxusb] usb_probe_interface+0x159/0x2d0 driver_probe_device+0x2bb/0x460 __driver_attach+0xdf/0xf0 ? driver_probe_device+0x460/0x460 bus_for_each_dev+0x6c/0xc0 driver_attach+0x1e/0x20 bus_add_driver+0x170/0x270 driver_register+0x60/0xe0 usb_register_driver+0x81/0x140 ? 0xffffffffc0649000 cxusb_driver_init+0x1e/0x1000 [dvb_usb_cxusb] do_one_initcall+0x52/0x1a0 ? kmem_cache_alloc_trace+0x159/0x1b0 ? do_init_module+0x27/0x1f8 do_init_module+0x5f/0x1f8 load_module+0x2618/0x29e0 ? __symbol_put+0x60/0x60 SYSC_init_module+0x173/0x190 SyS_init_module+0xe/0x10 do_syscall_64+0x67/0x180 entry_SYSCALL64_slow_path+0x25/0x25 RIP: 0033:0x7f70cf8145da RSP: 002b:00007fff944d84b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000af RAX: ffffffffffffffda RBX: 00005648fbbfe9c0 RCX: 00007f70cf8145da RDX: 00007f70d0346995 RSI: 0000000000017753 RDI: 00005648fbc46470 RBP: 00007f70d0346995 R08: 00005648fbbf88f0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00005648fbc46470 R13: 00005648fbbf8820 R14: 0000000000020000 R15: 00005648fbbfe9c0 ---[ end trace c5e2334c1b83c056 ]--- dvb-usb: recv bulk message failed: -11 mt352_read_register: readreg error (reg=127, ret==-121) dvb-usb: no frontend was attached by 'DViCO FusionHDTV DVB-T USB (TH7579)' This appears to be a regression for the fix applied in bug 1417829.
Everything works correctly if I apply the first patch from bug 1417829: 1-2-media-cxusb-Use-a-dma-capable-buffeo-for-reading.patch The second patch appears to already be in kernel 4.10.
Looks like the patch accidentally got dropped in the 4.10 rebase. I've re-added it to the f24/f25 branches.
kernel-4.10.10-200.fc25 has been submitted as an update to Fedora 25. https://bodhi.fedoraproject.org/updates/FEDORA-2017-26c9ecd7a4
kernel-4.10.10-100.fc24 has been submitted as an update to Fedora 24. https://bodhi.fedoraproject.org/updates/FEDORA-2017-8e7549fb91
kernel-4.10.10-100.fc24 has been pushed to the Fedora 24 testing repository. If problems still persist, please make note of it in this bug report. See https://fedoraproject.org/wiki/QA:Updates_Testing for instructions on how to install test updates. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2017-8e7549fb91
kernel-4.10.10-200.fc25 has been pushed to the Fedora 25 testing repository. If problems still persist, please make note of it in this bug report. See https://fedoraproject.org/wiki/QA:Updates_Testing for instructions on how to install test updates. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2017-26c9ecd7a4
kernel-4.10.10-100.fc24 has been pushed to the Fedora 24 stable repository. If problems still persist, please make note of it in this bug report.
kernel-4.10.10-200.fc25 has been pushed to the Fedora 25 stable repository. If problems still persist, please make note of it in this bug report.