Re: Can't access USB thumbdrives

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.