On Monday 12 October 2020, Jakub Kicinski wrote: > On Sat, 10 Oct 2020 16:00:46 +0200 Ondrej Zary wrote: > > When the router is rebooted without a power cycle, the USB device > > remains connected but its configuration is reset. This results in > > a non-working ethernet connection with messages like this in syslog: > > usb 2-2: RX packet too long: 65535 B > > > > Re-enable ethernet mode when receiving a packet with invalid size of > > 0xffff. > > Patch looks good, but could you explain what's a reboot without a power > cycle in this case? The modem gets reset but USB subsystem doesn't know > it and doesn't go though a unbind() + bind() cycle? The router can be rebooted through the web interface. The reboot does not disconnect the USB device - it remains connected as if nothing happened. Only wrong data starts to come in. -- Ondrej Zary
