After installation 4.14.11-041411-generic (x86_64) kernel on Linux Ubuntu 16.04, RF mouse and keyboard did not work if plugged via the USB hub and after several attempts to connect them the Linux hanged at all with the following error in the syslog:
```
...
Jan 5 11:50:26 A2XLab kernel: [122752.338284] hid-generic 0003:413C:2506.002B: input,hidraw2: USB HID v1.11 Mouse [Dell Dell KM713 Wireless Keyboard and Mouse] on usb-0000:00:14.0-1/input2
Jan 5 11:50:26 A2XLab mtp-probe: checking bus 2, device 39: "/sys/devices/ pci0000:00/0000:00:14.0/usb2/2-1"
Jan 5 11:50:26 A2XLab mtp-probe: bus: 2, device: 39 was not an MTP device
Jan 5 11:50:30 A2XLab kernel: [122756.957305] usb 2-1: USB disconnect, device number 39
Jan 5 11:50:30 A2XLab acpid: input device has been disconnected, fd 22
Jan 5 11:50:30 A2XLab acpid: input device has been disconnected, fd 23
Jan 5 11:51:19 A2XLab kernel: [122806.239849] BUG: unable to handle kernel paging request at ffff9d222c87e5ec
Jan 5 11:51:19 A2XLab kernel: [122806.239856] IP: prefetch_freepointer+0x11/ 0x20
Jan 5 11:51:19 A2XLab kernel: [122806.239857] PGD 1ca2ba067 P4D 1ca2ba067 PUD 0
Jan 5 11:51:19 A2XLab kernel: [122806.239860] Oops: 0000 [#1] SMP PTI
Jan 5 11:51:19 A2XLab kernel: [122806.239861] Modules linked in: btrfs zstd_compress xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs hidp cmac hid_logitech_hidpp hid_logitech_dj nls_iso8859_1 twofish_generic twofish_avx_x86_64 ablk_helper twofish_x86_64_3way lrw twofish_x86_64 twofish_common dm_crypt ccm acpi_call(OE) pci_stub vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) xt_CHECKSUM iptable_mangle nfnetlink_queue nfnetlink_log nfnetlink vmw_vsock_vmci_transport vsock vmw_vmci ipt_REJECT nf_reject_ipv4 xt_tcpudp ebtable_filter ebtables ip6table_filter ip6_tables rfcomm ipt_MASQUERADE nf_nat_masquerade_ipv4 xfrm_user xfrm_algo iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 iptable_filter videobuf2_core hid_generic ip_tables usbhid videodev
Jan 5 11:51:19 A2XLab kernel: [122806.239886] media hid xt_conntrack x_tables nf_nat nf_conntrack libcrc32c br_netfilter bnep bridge stp llc btusb btrtl btbcm btintel bluetooth ecdh_generic overlay arc4 cmdlinepart intel_spi_platform intel_spi spi_nor mtd intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic ghash_clmulni_intel pcbc snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_pcm aesni_intel aes_x86_64 crypto_simd glue_helper cryptd snd_seq_midi intel_cstate snd_seq_midi_event intel_rapl_perf iwlmvm snd_rawmidi mac80211 input_leds iwlwifi joydev snd_seq serio_raw cfg80211 thinkpad_acpi nvram snd_seq_device wmi_bmof kvm_intel snd_timer lpc_ich kvm irqbypass mei_me shpchp mei snd soundcore mac_hid binfmt_misc sunrpc parport_pc
Jan 5 11:51:19 A2XLab kernel: [122806.239914] ppdev lp parport autofs4 i915 i2c_algo_bit drm_kms_helper e1000e syscopyarea sysfillrect ahci ptp psmouse sysimgblt libahci pps_core fb_sys_fops drm wmi video
Jan 5 11:51:19 A2XLab kernel: [122806.239923] CPU: 1 PID: 11011 Comm: compiz Tainted: G OE 4.14.11-041411-generic #201801022143
Jan 5 11:51:19 A2XLab kernel: [122806.239923] Hardware name: LENOVO 20A8S28400/20A8S28400, BIOS GRET39WW (1.16 ) 06/06/2014
Jan 5 11:51:19 A2XLab kernel: [122806.239924] task: ffff9d5ee9d70000 task. stack: ffffa90102220000
```
This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 1741505
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the Ubuntu Kernel Team.