I get this error too. Alfred Morgan wrote: > I am on OpenBSD 6.4 amd64 also getting this error message. It seems to be > caused by my USB serial device. If I plug it into a Windows machine then > Windows reports that the device is malfunctioning. If I plug into OpenBSD > 6.4 then I get the usbd_free_xfer not free error and my USB ports stop > working and then I have to reboot. If a dev is interested in my > malfunctioning USB serial cable in order to reproduce and fix the issue > then I will be happy to mail it to you. I will send my dmesg on request. > > Leo wrote on 2018-10-13 16:52:36: > > Hello, > > i just upgraded to the latest snapshot and i noticed that all my > > external USB drives are not working anymore. (i tryed 3 different > > external drives) As soon as i plug them into an USB port I get the > > following message in my dmesg: > > > > > usbd_free_xfer: xfer=0xffffff041e9651e0 not free > > -- > -alfred
-- WBR, Mikhaylov Aleksandr