On Wed, Dec 12, 2018 at 08:02:48AM +1100, David Howe wrote: > Hi Sean > > I have tried a variety of kernels, including my own and the results are all > very similar. > > current version of kernel (uname -a) > > Linux david-HP-EliteBook-8460p 4.18.0-13-generic #14~lp1807550 SMP Mon Dec > 10 14:01:28 CST 2018 x86_64 x86_64 x86_64 GNU/Linux > > I built the media stack this way > > git clone/--depth=1/ git://linuxtv.org/media_build.git > cd media_build/ > ./build --main-git --depth 1 > sudo make install > > I can also confirm that the firmware and device loads correctly on an older machine running an i386 platform and 3.13 kernel It would be helpful to know if this can be reproduced on the current media tree, see: https://git.linuxtv.org/media_tree.git/about/ Thanks, Sean > > > On 12/10/18 11:30 PM, Sean Young wrote: > > Hi, > > > > On Mon, Dec 10, 2018 at 10:51:33AM +1100, David Howe wrote: > > > hi > > > > > > using the experimental version of the media stack and i get this > > > > > > [ 80.606898] dvb-usb: found a 'DViCO FusionHDTV DVB-T NANO2 w/o firmware' > > > in cold state, will try to load a firmware > > > [ 80.620010] dvb-usb: downloading firmware from file > > > 'dvb-usb-bluebird-02.fw' > > > [ 80.656195] usbcore: registered new interface driver dvb_usb_cxusb > > > [ 80.688792] usb 3-1: USB disconnect, device number 2 > > > [ 80.688826] BUG: unable to handle kernel paging request at > > > 0000000000002db8 > > > [ 80.688830] PGD 0 P4D 0 > > > [ 80.688834] Oops: 0000 [#1] PREEMPT SMP PTI > > > [ 80.688838] CPU: 2 PID: 26 Comm: kworker/2:0 Tainted: G OE > > > 4.18.0-10-lowlatency #11-Ubuntu > > > [ 80.688840] Hardware name: Hewlett-Packard HP EliteBook 8460p/161C, BIOS > > > 68SCF Ver. F.67 02/13/2018 > > > [ 80.688846] Workqueue: usb_hub_wq hub_event > > > [ 80.688852] RIP: 0010:cxusb_disconnect+0x18/0x70 [dvb_usb_cxusb] > > I'm not entirely sure how it got to cxusb_disconnect() without calling > > usb_set_intfdata(). I would have expected a "found a '%s' in warm state." > > message. > > > > Which kernel version are you running? Are building media_build or just the > > latest media_tree -- if so, what commit? > > > > Does this issue happen every time you boot/connect the usb dvb device? > > > > > > Thanks > > Sean > > > > > [ 80.688853] Code: 85 c0 75 e7 31 c0 48 c7 02 00 00 00 00 5d c3 0f 1f 00 > > > 66 66 66 66 90 55 48 89 e5 41 55 41 54 49 89 fc 53 48 8b 87 c8 00 00 00 <4c> > > > 8b a8 b8 2d 00 00 49 8b 5d 10 48 85 db 74 18 48 8b 83 a8 00 00 > > > [ 80.688885] RSP: 0018:ffffa44f00d97b68 EFLAGS: 00010246 > > > [ 80.688888] RAX: 0000000000000000 RBX: ffff98db2dad3030 RCX: > > > 0000000000000000 > > > [ 80.688890] RDX: 0000000000000000 RSI: ffff98db2dad3000 RDI: > > > ffff98db2dad3000 > > > [ 80.688891] RBP: ffffa44f00d97b80 R08: 0000000000000000 R09: > > > ffffffff95335b00 > > > [ 80.688893] R10: ffff98db2ef01660 R11: 0000000000000001 R12: > > > ffff98db2dad3000 > > > [ 80.688895] R13: ffffffffc10530a8 R14: ffff98db307d7000 R15: > > > ffff98db307d70a0 > > > [ 80.688898] FS: 0000000000000000(0000) GS:ffff98db3dc80000(0000) > > > knlGS:0000000000000000 > > > [ 80.688900] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > > > [ 80.688902] CR2: 0000000000002db8 CR3: 000000010ae0a001 CR4: > > > 00000000000606e0 > > > [ 80.688904] Call Trace: > > > [ 80.688911] usb_unbind_interface+0x7a/0x280 > > > [ 80.688916] device_release_driver_internal+0x18c/0x260 > > > [ 80.688919] device_release_driver+0x12/0x20 > > > [ 80.688922] bus_remove_device+0xec/0x160 > > > [ 80.688925] device_del+0x13b/0x350 > > > [ 80.688928] ? __dev_printk+0x44/0x70 > > > [ 80.688932] usb_disable_device+0x9f/0x270 > > > [ 80.688935] usb_disconnect+0xca/0x2c0 > > > [ 80.688938] hub_port_connect+0x85/0xa70 > > > [ 80.688941] port_event+0x45b/0x6d0 > > > [ 80.688945] hub_event+0x14f/0x3b0 > > > [ 80.688951] process_one_work+0x208/0x3f0 > > > [ 80.688954] worker_thread+0x34/0x3f0 > > > [ 80.688958] kthread+0x120/0x140 > > > [ 80.688961] ? rescuer_thread+0x390/0x390 > > > [ 80.688964] ? kthread_create_worker_on_cpu+0x70/0x70 > > > [ 80.688967] ret_from_fork+0x35/0x40 > > > [ 80.688970] Modules linked in: dvb_usb_cxusb(OE) dib0070(OE) dvb_usb(OE) > > > dvb_core(OE) rc_core(OE) rfcomm rpcsec_gss_krb5 auth_rpcgss nfsv4 nfs lockd > > > grace fscache ccm bnep snd_hda_codec_hdmi snd_hda_codec_idt hp_wmi > > > snd_hda_codec_generic snd_hda_intel snd_hda_codec arc4 sparse_keymap iwldvm > > > mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp uvcvideo(OE) > > > videobuf2_vmalloc(OE) videobuf2_memops(OE) videobuf2_v4l2(OE) coretemp > > > wmi_bmof videobuf2_common(OE) videodev(OE) snd_hda_core snd_hwdep media(OE) > > > kvm irqbypass crct10dif_pclmul crc32_pclmul btusb ghash_clmulni_intel btrtl > > > iwlwifi pcbc snd_pcm aesni_intel joydev btbcm input_leds snd_seq_midi > > > snd_seq_midi_event btintel aes_x86_64 crypto_simd cryptd bluetooth > > > glue_helper intel_cstate i915 ecdh_generic intel_rapl_perf hp_accel > > > drm_kms_helper drm > > > [ 80.689018] lis3lv02d snd_rawmidi serio_raw mei_me i2c_algo_bit > > > fb_sys_fops syscopyarea sysfillrect cfg80211 wmi tpm_infineon snd_seq > > > snd_seq_device snd_timer mei sysimgblt input_polldev snd soundcore video > > > mac_hid sch_fq_codel cuse parport_pc ppdev lp parport sunrpc ip_tables > > > x_tables autofs4 gpio_ich ahci psmouse libahci lpc_ich firewire_ohci > > > sdhci_pci e1000e firewire_core cqhci sdhci crc_itu_t > > > [ 80.689047] CR2: 0000000000002db8 > > > [ 80.689050] ---[ end trace b4ada9b289256086 ]--- > > > [ 80.689054] RIP: 0010:cxusb_disconnect+0x18/0x70 [dvb_usb_cxusb] > > > [ 80.689056] Code: 85 c0 75 e7 31 c0 48 c7 02 00 00 00 00 5d c3 0f 1f 00 > > > 66 66 66 66 90 55 48 89 e5 41 55 41 54 49 89 fc 53 48 8b 87 c8 00 00 00 <4c> > > > 8b a8 b8 2d 00 00 49 8b 5d 10 48 85 db 74 18 48 8b 83 a8 00 00 > > > [ 80.689090] RSP: 0018:ffffa44f00d97b68 EFLAGS: 00010246 > > > [ 80.689092] RAX: 0000000000000000 RBX: ffff98db2dad3030 RCX: > > > 0000000000000000 > > > [ 80.689093] RDX: 0000000000000000 RSI: ffff98db2dad3000 RDI: > > > ffff98db2dad3000 > > > [ 80.689095] RBP: ffffa44f00d97b80 R08: 0000000000000000 R09: > > > ffffffff95335b00 > > > [ 80.689097] R10: ffff98db2ef01660 R11: 0000000000000001 R12: > > > ffff98db2dad3000 > > > [ 80.689098] R13: ffffffffc10530a8 R14: ffff98db307d7000 R15: > > > ffff98db307d70a0 > > > [ 80.689101] FS: 0000000000000000(0000) GS:ffff98db3dc80000(0000) > > > knlGS:0000000000000000 > > > [ 80.689103] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > > > [ 80.689105] CR2: 0000000000002db8 CR3: 000000010ae0a001 CR4: > > > 00000000000606e0
