2/14/2024 0 Comments Bitwarden usb keyThis is how I learned about journalctl -f for monitoring the system logs in real time. That seemed like a sign of trouble, so I searched the web: "failed to validate module" usb_storage. $ sudo dmesg | rga -i "usb" failed to validate module BTF: -22 I found a comment suggesting to check dmesg for related log messages. I searched the web: lemur pro usb-c port doesn't work. I inferred that this is a software problem instead of a hardware problem, because what are the chances that both ports are dead at once? I found another USB disk (call this “Disk B”) and connected it to one of my Lemur Pro’s USB-A ports. I connected a USB disk (call this “Disk A”) to my System76 Lemur Pro’s USB-C port. I did not try reloading the kernel module with modprobe, so maybe that would have worked. I infer that this kernel module changed in a non-backwards-compatible way and reloading it seems to have solved the problem. This meant that I couldn’t mount any external USB disk, no matter which port (USB-C or USB-A). This seems to have caused the usb_storage kernel module to stop working. Why?ĭuring an operating system package upgrade, I evidently upgraded the Linux kernel from version 5.x to version 6.x. Reboot, then mounting the USB disks worked as expected. 1 Fortunately, it only took a few seconds of web searching to find someone who encountered the same problem. I use Pop!_OS 22.04 and today I encountered a nasty surprise: I couldn’t mount the portable USB disk that I use to back up my Bitwarden vault, which contains passwords and secure notes.
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