Apr 01 11:33:20 arch kernel: usb 2-2: new high-speed USB device number 2 using xhci_hcd Apr 01 11:33:21 arch mtp-probe[21357]: checking bus 2, device 2: "/sys/devices/pci0000:00/0000:00:14.0/usb2/2-2" Apr 01 11:33:21 arch mtp-probe[21357]: bus: 2, device: 2 was not an MTP device Apr 01 11:33:21 arch kernel: usb-storage 2-2:1.0: USB Mass Storage device detected Apr 01 11:33:21 arch kernel: scsi host2: usb-storage 2-2:1.0 Apr 01 11:33:21 arch kernel: usbcore: registered new interface driver usb-storage Apr 01 11:33:21 arch kernel: usbcore: registered new interface driver uas Apr 01 11:33:22 arch kernel: scsi 2:0:0:0: CD-ROM GDM Mass PQ: 0 ANSI: 0 CCS Apr 01 11:33:22 arch kernel: sr 2:0:0:0: [sr0] scsi3-mmc drive: 0x/0x caddy Apr 01 11:33:22 arch kernel: cdrom: Uniform CD-ROM driver Revision: 3.20 Apr 01 11:33:22 arch kernel: sr 2:0:0:0: Attached scsi CD-ROM sr0 Apr 01 11:33:23 arch kernel: usb 2-2: USB disconnect, device number 2 Apr 01 11:33:23 arch kernel: cdrom: issuing MRW background format suspend Apr 01 11:33:23 arch kernel: usb 2-2: new high-speed USB device number 3 using xhci_hcd Apr 01 11:33:24 arch mtp-probe[21398]: checking bus 2, device 3: "/sys/devices/pci0000:00/0000:00:14.0/usb2/2-2" Apr 01 11:33:24 arch mtp-probe[21398]: bus: 2, device: 3 was not an MTP device Apr 01 11:33:24 arch kernel: usbcore: registered new interface driver cdc_ether Apr 01 11:33:24 arch kernel: BUG: unable to handle kernel NULL pointer dereference at 0000000000000003 Apr 01 11:33:24 arch kernel: IP: [] usbnet_generic_cdc_bind+0x171/0x710 [cdc_ether] Apr 01 11:33:24 arch kernel: PGD 0 Apr 01 11:33:24 arch kernel: Oops: 0000 [#1] PREEMPT SMP Apr 01 11:33:24 arch kernel: Modules linked in: rndis_host(+) cdc_ether usbnet mii sr_mod cdrom uas usb_storage mcryptd sha1_ssse3 sha1_generic cbc cts rpcsec_gss_krb5 nfsv4 dns_resolver sha256_ssse3 sha256_generic hmac drbg ansi_cprng dm_crypt algif_skcipher af_alg dm_mod fuse snd_hda_codec_hdmi nls_iso8859_1 nls_cp437 vfat fat joydev mousedev arc4 iwlmvm dell_laptop dcdbas dell_wmi sparse_keymap ppdev iTCO_wdt iTCO_vendor_support intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel mac80211 kvm irqbypass crct10dif_pclmul crc32_pclmul crc32c_intel dell_smm_hwmon aesni_intel iwlwifi aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd psmouse evdev input_leds mac_hid serio_raw uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_core v4l2_common videodev media cfg80211 dell_led wmi Apr 01 11:33:24 arch kernel: thermal fan dell_smo8800 dell_rbtn processor_thermal_device int3400_thermal int3402_thermal int3403_thermal acpi_thermal_rel int340x_thermal_zone intel_soc_dts_iosf iosf_mbi e1000e ptp shpchp parport_pc parport i915 drm_kms_helper snd_hda_codec_realtek snd_hda_codec_generic spi_pxa2xx_platform 8250_dw video dw_dmac dw_dmac_core snd_soc_sst_acpi gpio_lynxpoint elan_i2c fjes snd_soc_rt5640 snd_soc_rl6231 snd_soc_core i2c_hid hid snd_compress snd_pcm_dmaengine ac97_bus i2c_designware_platform i2c_designware_core snd_hda_intel snd_hda_codec snd_hda_core battery drm intel_gtt syscopyarea sysfillrect rfkill sysimgblt mei_me fb_sys_fops snd_hwdep i2c_algo_bit pps_core acpi_pad ac snd_pcm snd_timer button mei snd soundcore i2c_i801 lpc_ich tpm_tis tpm processor acpi_als kfifo_buf industrialio Apr 01 11:33:24 arch kernel: sch_fq_codel nfsd nfs_acl auth_rpcgss oid_registry vhost_net tun vhost macvtap macvlan nfs lockd grace sunrpc fscache bridge stp llc ip_tables x_tables ext4 crc16 mbcache jbd2 sd_mod atkbd libps2 xhci_pci ahci libahci ehci_pci ehci_hcd libata xhci_hcd scsi_mod sdhci_pci usbcore usb_common i8042 serio sdhci_acpi sdhci led_class mmc_core Apr 01 11:33:24 arch kernel: CPU: 1 PID: 21397 Comm: systemd-udevd Not tainted 4.4.5-1-zen #1 Apr 01 11:33:24 arch kernel: Hardware name: Dell Inc. Latitude E5450/0DCPV1, BIOS A12 01/11/2016 Apr 01 11:33:24 arch kernel: task: ffff8802131e8000 ti: ffff8800d7cac000 task.ti: ffff8800d7cac000 Apr 01 11:33:24 arch kernel: RIP: 0010:[] [] usbnet_generic_cdc_bind+0x171/0x710 [cdc_ether] Apr 01 11:33:24 arch kernel: RSP: 0018:ffff8800d7caf950 EFLAGS: 00010286 Apr 01 11:33:24 arch kernel: RAX: 0000000000000000 RBX: ffff8801d9fcd840 RCX: 0000000000000000 Apr 01 11:33:24 arch kernel: RDX: 0000000000000000 RSI: ffff8800d9960c00 RDI: ffff88008c5eb800 Apr 01 11:33:24 arch kernel: RBP: ffff8800d7cafa10 R08: ffff8800ac1b7992 R09: ffffffffa0bcf59b Apr 01 11:33:24 arch kernel: R10: 0000000000000108 R11: 0000000000000339 R12: ffff8800d9960c00 Apr 01 11:33:24 arch kernel: R13: 0000000000000001 R14: ffffffffa0bd1068 R15: ffff8801d9fcd938 Apr 01 11:33:24 arch kernel: FS: 00007efc591987c0(0000) GS:ffff88021e480000(0000) knlGS:0000000000000000 Apr 01 11:33:24 arch kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Apr 01 11:33:24 arch kernel: CR2: 0000000000000003 CR3: 0000000081129000 CR4: 00000000003406e0 Apr 01 11:33:24 arch kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Apr 01 11:33:24 arch kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Apr 01 11:33:24 arch kernel: Stack: Apr 01 11:33:24 arch kernel: 0000000000000000 0000000000000001 ffff8801d9fcd2a8 0000000000000000 Apr 01 11:33:24 arch kernel: 0000000000000000 ffff8800ac1b7992 ffff8800ac1b799b 0000000000000000 Apr 01 11:33:24 arch kernel: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 Apr 01 11:33:24 arch kernel: Call Trace: Apr 01 11:33:24 arch kernel: [] generic_rndis_bind+0x62/0x520 [rndis_host] Apr 01 11:33:24 arch kernel: [] ? alloc_netdev_mqs+0x302/0x440 Apr 01 11:33:24 arch kernel: [] rndis_bind+0x13/0x20 [rndis_host] Apr 01 11:33:24 arch kernel: [] usbnet_probe+0x320/0x8c0 [usbnet] Apr 01 11:33:24 arch kernel: [] usb_probe_interface+0x1bd/0x300 [usbcore] Apr 01 11:33:24 arch kernel: [] driver_probe_device+0x222/0x4a0 Apr 01 11:33:24 arch kernel: [] __driver_attach+0x84/0x90 Apr 01 11:33:24 arch kernel: [] ? driver_probe_device+0x4a0/0x4a0 Apr 01 11:33:24 arch kernel: [] bus_for_each_dev+0x6c/0xc0 Apr 01 11:33:24 arch kernel: [] driver_attach+0x1e/0x20 Apr 01 11:33:24 arch kernel: [] bus_add_driver+0x1eb/0x280 Apr 01 11:33:24 arch kernel: [] driver_register+0x60/0xe0 Apr 01 11:33:24 arch kernel: [] usb_register_driver+0x84/0x140 [usbcore] Apr 01 11:33:24 arch kernel: [] ? 0xffffffffa0bd4000 Apr 01 11:33:24 arch kernel: [] rndis_driver_init+0x1e/0x1000 [rndis_host] Apr 01 11:33:24 arch kernel: [] do_one_initcall+0xb3/0x200 Apr 01 11:33:24 arch kernel: [] do_init_module+0x5f/0x1d8 Apr 01 11:33:24 arch kernel: [] load_module+0x21aa/0x2820 Apr 01 11:33:24 arch kernel: [] ? symbol_put_addr+0x50/0x50 Apr 01 11:33:24 arch kernel: [] SyS_init_module+0x14e/0x190 Apr 01 11:33:24 arch kernel: [] entry_SYSCALL_64_fastpath+0x12/0x6d Apr 01 11:33:24 arch kernel: Code: ff 48 8b 95 60 ff ff ff 48 8b 85 58 ff ff ff 48 8b 3b 48 89 93 f8 00 00 00 48 8b 55 88 48 89 83 00 01 00 00 48 89 93 08 01 00 00 <0f> b6 70 03 e8 76 7d 4c ff 48 89 83 10 01 00 00 48 8b 83 00 01 Apr 01 11:33:24 arch kernel: RIP [] usbnet_generic_cdc_bind+0x171/0x710 [cdc_ether] Apr 01 11:33:24 arch kernel: RSP Apr 01 11:33:24 arch kernel: CR2: 0000000000000003 Apr 01 11:33:24 arch kernel: ---[ end trace 63c04abadd6495b4 ]--- Apr 01 11:33:24 arch systemd-udevd[217]: worker [21397] terminated by signal 9 (Killed) Apr 01 11:33:24 arch systemd-udevd[217]: worker [21397] failed while handling '/devices/pci0000:00/0000:00:14.0/usb2/2-2/2-2:1.0' Apr 01 11:33:53 arch kernel: usb 2-2: USB disconnect, device number 3