Comment 18 for bug 1680904

I have a similar problem, plug the mobil to the usb and the PC frozen:

Kernel: 4.10.0-21-generic

May 29 12:15:37 roal kernel: [13126.330476] usb 2-1: new high-speed USB device number 3 using ehci-pci
May 29 12:15:37 roal kernel: [13126.479378] usb 2-1: New USB device found, idVendor=22b8, idProduct=2e82
May 29 12:15:37 roal kernel: [13126.479391] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
May 29 12:15:37 roal kernel: [13126.479398] usb 2-1: Product: XT1562
May 29 12:15:37 roal kernel: [13126.479403] usb 2-1: Manufacturer: motorola
May 29 12:15:37 roal kernel: [13126.479408] usb 2-1: SerialNumber: Z***MZ
May 29 12:15:37 roal kernel: [13126.546640] [UFW BLOCK] IN=enp0s10 OUT= MAC= SRC=fe80:0000:0000:0000:1a54:8c81:4366:67ff DST=ff02:0000:0000:0000:0000:0000:0000:0001 LEN=64 TC=0 HOPLIMIT=1 FLOWLBL=338319 PROTO=UDP SPT=8612 DPT=8612 LEN=24
May 29 12:15:37 roal kernel: [13126.546657] [UFW BLOCK] IN=enp0s10 OUT= MAC= SRC=fe80:0000:0000:0000:1a54:8c81:4366:67ff DST=ff02:0000:0000:0000:0000:0000:0000:0001 LEN=64 TC=0 HOPLIMIT=1 FLOWLBL=185378 PROTO=UDP SPT=8612 DPT=8610 LEN=24
May 29 12:15:37 roal kernel: [13126.556808] [UFW BLOCK] IN=enp0s10 OUT= MAC= SRC=fe80:0000:0000:0000:1a54:8c81:4366:67ff DST=ff02:0000:0000:0000:0000:0000:0000:0001 LEN=64 TC=0 HOPLIMIT=1 FLOWLBL=338319 PROTO=UDP SPT=8612 DPT=8612 LEN=24
May 29 12:15:37 roal kernel: [13126.556826] [UFW BLOCK] IN=enp0s10 OUT= MAC= SRC=fe80:0000:0000:0000:1a54:8c81:4366:67ff DST=ff02:0000:0000:0000:0000:0000:0000:0001 LEN=64 TC=0 HOPLIMIT=1 FLOWLBL=185378 PROTO=UDP SPT=8612 DPT=8610 LEN=24
May 29 12:19:23 roal kernel: [13352.534728] BUG: unable to handle kernel NULL pointer dereference at 0000000000000020
May 29 12:19:23 roal kernel: [13352.535958] IP: dma_fence_wait_timeout+0x36/0xf0
May 29 12:19:23 roal kernel: [13352.537127] PGD 0
May 29 12:19:23 roal kernel: [13352.537129]
May 29 12:19:23 roal kernel: [13352.539448] Oops: 0000 [#3] SMP
May 29 12:19:23 roal kernel: [13352.540617] Modules linked in: rfcomm pci_stub vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) cmac bnep snd_hda_codec_hdmi binfmt_misc snd_hda_codec_via snd_hda_codec_generic input_leds btusb btrtl btbcm btintel bluetooth edac_mce_amd edac_core kvm_amd kvm snd_hda_intel snd_hda_codec k10temp snd_hda_core snd_hwdep snd_pcm irqbypass serio_raw snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq shpchp snd_seq_device snd_timer snd soundcore i2c_nforce2 asus_atk0110 mac_hid ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 xt_hl ip6t_rt nf_conntrack_ipv6 nf_defrag_ipv6 ipt_REJECT nf_reject_ipv4 nf_log_ipv4 nf_log_common xt_LOG xt_limit xt_tcpudp xt_addrtype nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack ip6table_filter ip6_tables nf_conntrack_netbios_ns nf_conntrack_broadcast parport_pc nf_nat_ftp ppdev nf_nat
May 29 12:19:23 roal kernel: [13352.545655] libcrc32c nf_conntrack_ftp nf_conntrack lp iptable_filter parport ip_tables x_tables autofs4 hid_generic usbhid hid pata_acpi nouveau mxm_wmi i2c_algo_bit ttm drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm psmouse forcedeth ahci libahci pata_amd video fjes wmi