* On 9/26/24 16:29, G.W. Haywood wrote:
I am running a Logitech wireless keyboard and mouse, with Logitech's USB transmitter/receiver plugged into a USB port. I have tried other USB ports and the problem continues.Does anyone have any ideas .. it sounds like a bug to me.To begin with I'd look in the logs (usually in /var/log) and e.g. use 'dmesg' to see if there's anything intersting. If USB communication is somehow being broken for the kernel I'd expect that there would be something which mentions it.
Since the user hasn't mentioned anything about USB passthrough, and the normal USB emulation is very reliable in my experience, I'd look for something else.
We're not even quite sure if the keyboard is using the USB subsystem - isn't the default PS/2-based? I know that there are USB tablet (mouse) and keyboard devices, but they aren't the only ones and libvirt, if I remember correctly, defaults to the non-USB components.
Crucially, there's *no* connection between VMs and hosts regarding keyboard and mouse input. It doesn't matter what technology you use on the host.
Since the issue only happens after some idle time, I suspect a screensaver to become active. They typically catch keyboard input, but no mouse input.
xlock, for instance, won't give you any indication of the amount of characters that were typed when unlocking the screen - which is actually a security measure (just like login(1) doesn't echo password characters by default).
Mihai
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