On 1/18/26 20:46, Russell Senior wrote:
> c) there is some occasional reluctance to detect usb devices plugged
> in: i plug something in, nothing shows up in lsusb, i try the other
> port, and play some bingo, and 20-30 seconds later, it shows up.  I
> would always ultimately succeed, so not a deal breaker, just a little
> annoyance. I have noticed this less recently, so maybe it's fixed now.

I don't (yet) have a Mx series Macbook, my 2017 14,2 is intel. I did 
locate a tidbit a while back out the USB-C ports being a bit glitchy 
when switching modes: Thunderbolt 3/4 to USB 2/3, and also the 
touchbar.  I have this snippet in /etc/rc.d/rc.local to trigger a reset 
of usbmuxd:

# Reset macbook usb
echo "1-3" > /sys/bus/usb/drivers/usb/unbind
echo "1-3" > /sys/bus/usb/drivers/usb/bind

USB connection still gets confused (some USB 3 only show up as USB 2), 
but plugging in is better and the touchbar lights up correctly.

Kernel 6.18.2

Interestingly enough, once I found the "right" USB-C cable (we don't 
need no stinkin' STANDARDS!), the USB-C KVM built into my Gigabyte 1440p 
monitor works to use the that external display and with Razer 
keyboard/mouse.

-Ed


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