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
