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I've been having a strange issue the past couple of months where the second USB device to be plugged into my laptop is unresponsive, despite showing up in lsusb and dmesg seemingly without issue.

This is the case with both my USB mouse and USB keyboard. Whichever device is plugged in first (to either USB port, it does not seem to matter which) will be recognised instantly and work without issues. The second device to be plugged in also shows up in lsusb and dmesg but does not respond to input at all.

Here is the output of lsusb after plugging in my keyboard (working fine) and then my mouse (not responsive):

[mindtree@mindtree ~]$ lsusb Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 005: ID 04f3:2356 Elan Microelectronics Corp. Bus 001 Device 004: ID 1532:0220 Razer USA, Ltd Blade Stealth (2016) Bus 001 Device 003: ID 0bda:579f Realtek Semiconductor Corp. Bus 001 Device 002: ID 0cf3:e300 Qualcomm Atheros Communications Bus 001 Device 016: ID 1a2c:2124 China Resource Semico Co., Ltd <-- keyboard Bus 001 Device 018: ID 046d:c05a Logitech, Inc. M90/M100 Optical Mouse <-- mouse Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

And here is the output of dmesg | tail:

[ 9358.624908] input: SEM USB Keyboard Consumer Control as /devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.1/0003:1A2C:2124.0018/input/input58 [ 9358.681734] input: SEM USB Keyboard System Control as /devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.1/0003:1A2C:2124.0018/input/input59 [ 9358.681902] hid-generic 0003:1A2C:2124.0018: input,hidraw6: USB HID v1.10 Device [SEM USB Keyboard] on usb-0000:00:14.0-2/input1 [ 9360.874780] usb 1-1: new low-speed USB device number 22 using xhci_hcd [ 9361.018780] usb 1-1: New USB device found, idVendor=046d, idProduct=c05a, bcdDevice=63.00 [ 9361.018786] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 9361.018790] usb 1-1: Product: USB Optical Mouse [ 9361.018793] usb 1-1: Manufacturer: Logitech [ 9361.023264] input: Logitech USB Optical Mouse as /devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.0/0003:046D:C05A.0019/input/input60 [ 9361.023673] hid-generic 0003:046D:C05A.0019: input,hidraw7: USB HID v1.11 Mouse [Logitech USB Optical Mouse] on usb-0000:00:14.0-1/input0

I've checked that this bug still occurs when there are no discrepencies between the installed version of the kernel and the one with which the system last booted:

[mindtree@mindtree ~]$ uname -r 4.18.12-arch1-1-ARCH [mindtree@mindtree ~]$ pacman -Q linux linux 4.18.12.arch1-1

This happens both when my laptop is plugged into power and when it is not.

Rebooting my machine with both devices plugged in reliably detects them both and they are both responsive once logged into GNOME.

Occasionally this bug does not occur at all, however it occurs more often than not and I can't seem to track down the cause. For instance just now the bug stopped appearing however I haven't done anything to the system other than type into this text box since I last unplugged them and plugged them back in again.

My laptop is a Razer Blade Stealth running Arch Linux and Gnome 3.30.1:

  • Memory: 15.6 GiB
  • Processor: Intel® Core™ i7-7500U CPU @ 2.70GHz × 4
  • Graphics: Intel® HD Graphics 620 (Kaby Lake GT2)
  • OS Type: 64-bit
  • Disk: 503.0 GB

Edit: I just got to work and the problem occurred again, so this time I checked the more detailed journalctl logs:

Oct 15 10:47:13 mindtree kernel: usb 1-1: new low-speed USB device number 17 using xhci_hcd Oct 15 10:47:13 mindtree kernel: usb 1-1: New USB device found, idVendor=046d, idProduct=c05a, bcdDevice=63.00 Oct 15 10:47:13 mindtree kernel: usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 Oct 15 10:47:13 mindtree kernel: usb 1-1: Product: USB Optical Mouse Oct 15 10:47:13 mindtree kernel: usb 1-1: Manufacturer: Logitech Oct 15 10:47:13 mindtree kernel: input: Logitech USB Optical Mouse as /devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.0/0003:046D:C05A.000E/input/input46 Oct 15 10:47:13 mindtree kernel: hid-generic 0003:046D:C05A.000E: input,hidraw7: USB HID v1.11 Mouse [Logitech USB Optical Mouse] on usb-0000:00:14.0-1/input0 Oct 15 10:47:13 mindtree mtp-probe[7510]: checking bus 1, device 17: "/sys/devices/pci0000:00/0000:00:14.0/usb1/1-1" Oct 15 10:47:13 mindtree mtp-probe[7510]: bus: 1, device: 17 was not an MTP device Oct 15 10:47:13 mindtree systemd-udevd[7509]: failed to create db file '/run/udev/data/c189:16' for '/devices/pci0000:00/0000:00:14.0/usb1/1-1' Oct 15 10:47:13 mindtree systemd-udevd[7509]: failed to create db file '/run/udev/data/+usb:1-1:1.0' for '/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.0' Oct 15 10:47:13 mindtree systemd-udevd[7509]: failed to create db file '/run/udev/data/+hid:0003:046D:C05A.000E' for '/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.0/0003:046D:C05A.000E' Oct 15 10:47:13 mindtree systemd-udevd[7509]: failed to create db file '/run/udev/data/+input:input46' for '/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.0/0003:046D:C05A.000E/input/input46' Oct 15 10:47:13 mindtree systemd-udevd[7524]: failed to create db file '/run/udev/data/c13:35' for '/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.0/0003:046D:C05A.000E/input/input46/mouse3' Oct 15 10:47:13 mindtree /usr/lib/gdm-x-session[721]: (II) config/udev: Adding input device Logitech USB Optical Mouse (/dev/input/mouse3) Oct 15 10:47:13 mindtree /usr/lib/gdm-x-session[721]: (II) No input driver specified, ignoring this device. Oct 15 10:47:13 mindtree /usr/lib/gdm-x-session[721]: (II) This device may have been added with another device file. Oct 15 10:47:13 mindtree systemd-udevd[7509]: failed to create db file '/run/udev/data/c13:87' for '/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.0/0003:046D:C05A.000E/input/input46/event23' Oct 15 10:47:13 mindtree /usr/lib/gdm-x-session[721]: (II) config/udev: Adding input device Logitech USB Optical Mouse (/dev/input/event23) Oct 15 10:47:13 mindtree /usr/lib/gdm-x-session[721]: (**) Logitech USB Optical Mouse: Applying InputClass "libinput pointer catchall" Oct 15 10:47:13 mindtree /usr/lib/gdm-x-session[721]: (II) Using input driver 'libinput' for 'Logitech USB Optical Mouse' Oct 15 10:47:13 mindtree systemd-udevd[7523]: failed to create db file '/run/udev/data/+hid:0003:046D:C05A.000E' for '/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.0/0003:046D:C05A.000E' Oct 15 10:47:13 mindtree systemd-logind[445]: Failed to save session data /run/systemd/sessions/2: No space left on device Oct 15 10:47:13 mindtree /usr/lib/gdm-x-session[721]: (II) systemd-logind: got fd for /dev/input/event23 13:87 fd 58 paused 0 Oct 15 10:47:13 mindtree /usr/lib/gdm-x-session[721]: (**) Logitech USB Optical Mouse: always reports core events Oct 15 10:47:13 mindtree /usr/lib/gdm-x-session[721]: (**) Option "Device" "/dev/input/event23" Oct 15 10:47:13 mindtree /usr/lib/gdm-x-session[721]: (**) Option "_source" "server/udev" Oct 15 10:47:13 mindtree kernel: rfkill: input handler enabled Oct 15 10:47:13 mindtree systemd-udevd[7523]: failed to create db file '/run/udev/data/c189:16' for '/devices/pci0000:00/0000:00:14.0/usb1/1-1' Oct 15 10:47:16 mindtree /usr/lib/gdm-x-session[721]: (EE) libinput bug: udev device never initialized (/dev/input/event23) Oct 15 10:47:16 mindtree /usr/lib/gdm-x-session[721]: (EE) client bug: Invalid path /dev/input/event23 Oct 15 10:47:16 mindtree /usr/lib/gdm-x-session[721]: (EE) libinput: Logitech USB Optical Mouse: Failed to create a device for /dev/input/event23 Oct 15 10:47:16 mindtree /usr/lib/gdm-x-session[721]: (EE) PreInit returned 2 for "Logitech USB Optical Mouse" Oct 15 10:47:16 mindtree /usr/lib/gdm-x-session[721]: (II) UnloadModule: "libinput" Oct 15 10:47:16 mindtree /usr/lib/gdm-x-session[721]: (II) systemd-logind: releasing fd for 13:87 Oct 15 10:47:16 mindtree systemd-logind[445]: Failed to save session data /run/systemd/sessions/2: No space left on device Oct 15 10:47:18 mindtree nautilus[7452]: invalid (NULL) pointer instance Oct 15 10:47:18 mindtree nautilus[7452]: g_signal_handlers_disconnect_matched: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed Oct 15 10:48:27 mindtree /usr/lib/gdm-x-session[721]: (EE) event19 - Synaptics TM2438-005: kernel bug: Touch jump detected and discarded. Oct 15 10:48:27 mindtree /usr/lib/gdm-x-session[721]: See https://wayland.freedesktop.org/libinput/doc/1.12.1/touchpad-jumping-cursors.html for details

This at least gives some more info on the gdm-x-session logs which seem to claim that no input driver specified, ignoring this device. I'll look into this error and report back.

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  • Any error messages in the logs (like usb 1-3: usbfs: interface 0 claimed by usblp while 'scan-thread' sets config #1)? Commented Oct 14, 2018 at 12:30
  • I think the problem is with Gnome because the kernel correctly sees them. Just to try, have you tried to disable first mouse from the settings panel? Commented Oct 14, 2018 at 20:10
  • Thanks @RudiC and @mattia.b89, I think you're both onto something! I've just included some more extensive logging from journalctl which seems to have revealed some bugs from gdm-x-session. I've included the extra logging in my OP. Commented Oct 15, 2018 at 4:00

1 Answer 1

Reset to default
2

Facepalm

It seems that once upon a time while attempting to setup a backup HDD I accidentally began writing backup data to /run/media/$USER/BackupData while the volume was not actually there... In turn there was a dump of random backup data in the run filesystem clogging it up. After rming this backup data I plugged in my mouse again and it seems to work without issues! I suspect this also fixes another bug I was running into where the permissions on USB storage devices would change mysteriously.

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