On Sat, 2026-06-06 at 16:07 -0500, nwe wrote: > > On 6/6/26 2:38 PM, Chris Ramsden wrote: > > > > > I have just noticed that this computer has stopped recognising USB > > thumbdrives. > > > In that situation my first impulse would be to open a terminal and > run > sudo journalctl -f > then plug in the offending drive and watch for errors > Or > sudo dmesg | tail > right after plugging an offending drive might catch something > > > > Next I might open gparted and investigate from that angle. > journalctl says:
Jun 06 22:55:14 Zenbook kernel: usb 3-3.2: New USB device found, idVendor=03f0, idProduct=3407, bcdDevice= 1.00 Jun 06 22:55:14 Zenbook kernel: usb 3-3.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 Jun 06 22:55:14 Zenbook kernel: usb 3-3.2: Product: v135w Jun 06 22:55:14 Zenbook kernel: usb 3-3.2: Manufacturer: HP Jun 06 22:55:14 Zenbook kernel: usb 3-3.2: SerialNumber: 00000000000499 Jun 06 22:55:14 Zenbook kernel: usb 3-3.2: Device is not authorized for usage Jun 06 22:57:23 Zenbook kernel: usb 2-3.2: New USB device found, idVendor=0781, idProduct=55a3, bcdDevice= 1.00 Jun 06 22:57:23 Zenbook kernel: usb 2-3.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 Jun 06 22:57:23 Zenbook kernel: usb 2-3.2: Product: SanDisk 3.2Gen1 Jun 06 22:57:23 Zenbook kernel: usb 2-3.2: Manufacturer: USB Jun 06 22:57:23 Zenbook kernel: usb 2-3.2: SerialNumber: <redacted> Jun 06 22:57:23 Zenbook kernel: usb 2-3.2: Device is not authorized for usage Jun 06 22:57:23 Zenbook mtp-probe[9324]: checking bus 2, device 10: "/sys/devices/pci0000:00/0000:00:0d.0/usb2/2-3/2-3.2" Jun 06 22:57:23 Zenbook mtp-probe[9324]: bus: 2, device: 10 was not an MTP device Jun 06 22:57:23 Zenbook mtp-probe[9326]: checking bus 2, device 10: "/sys/devices/pci0000:00/0000:00:0d.0/usb2/2-3/2-3.2" Jun 06 22:57:23 Zenbook mtp-probe[9326]: bus: 2, device: 10 was not an MTP device But gparted can't see either of these thumbdrives. And I have also found it cannot connect to a USB camera, though again it appears in lsusb. Chris.
