On Mon, Feb 08, 2021 at 07:20:21AM +0100, Rafael Sadowski wrote: > Since a few days aka. snapshots I see the following error message after > boot: > > uhidev_clear_iface_eps: clear endpoints failed! > uhidev_clear_iface_eps: clear endpoints failed! > uhidev_clear_iface_eps: clear endpoints failed! > > I have a "TESmart 4 Port HDMI KVM Switch 4K@60Hz 4:4:4 Ultra HD" which > also support switching USB for keyboard and mouse between different > devices. When I switch it off and on again I see this: > > wsmouse0 detached > ums0 detached > uhid0 detached > uhidev0 detached > wskbd1: disconnecting from wsdisplay0 > wskbd1 detached > ukbd0 detached > uhidev1 detached > wsmouse1 detached > ums1 detached > uhidev2 detached > uhub2 detached > uhub2 at uhub0 port 6 configuration 1 interface 0 "Terminus Technology USB > 2.0 Hub" rev 2.00/1.11 addr 2 > uhidev0 at uhub2 port 2 configuration 1 interface 0 > "??\^D??\^A?????????\^A????\^A?6??\^E?? " rev 2.00/0.01 addr 3 > uhidev0: iclass 3/1 > ukbd0 at uhidev0: 8 variable keys, 6 key codes > wskbd1 at ukbd0 mux 1 > uhidev_clear_iface_eps: clear endpoints failed! > wskbd1: connecting to wsdisplay0 > uhidev1 at uhub2 port 2 configuration 1 interface 1 > "??\^D??\^A?????????\^A????\^A?6??\^E?? " rev 2.00/0.01 addr 3 > uhidev1: iclass 3/1, 1 report id > ums0 at uhidev1 reportid 1: 3 buttons, Z dir > wsmouse0 at ums0uhidev_clear_iface_eps: clear endpoints failed! > mux 0 > uhidev2 at uhub2 port 1 configuration 1 interface 0 "MOSART Semi. 2.4G > Wireless Mouse" rev 1.10/81.13 addr 4 > uhidev2: iclass 3/1, 5 report ids > ums1 at uhidev2 reportid 3: 5 buttons, Z and W dir > wsmouse1 at ums1 mux 0 > uhid0 at uhidev2 reportid 5: input=5, output=6, feature=0 > > My mouse works after connecting but my keyboard is completely dead. (KVM > ist fine other devices work properly=) I would be happy if I could test > a diff.
Can you please send me an lsusb -v of your failing keyboard? Furthermore, does the keyboard initially work after boot, and only fails after your KVM Switch restart, or does the keyboard fail straight away after boot?
