On Mon 20-07-20 09:58:57, Alan Stern wrote:
[...]
> Can you provide the contents of /sys/kernel/debug/usb/devices and also a 

attached.

> usbmon trace showing a few rounds of this recurring activity?

This is not my area so I will need some help here. I assume I should
look for debug/usb/usbmon which contains quite some files for me
0s  0u  1s  1t  1u  2s  2t  2u
most of them provide data when cating them.

> section of the dmesg log with dynamic debugging enabled for the usbcore 
> module, as well.

Could you give me more details steps please?
-- 
Michal Hocko
SUSE Labs