Sporadically, but not very often, I see the message "usbd_setup_ctrl_transfer: Wrong framelength 0 != 8" while trying to setup transfer with umass0. However, even when I do see the message, I'm still able to transfer data successfully with the device.

I'm looking for advice on whether I need to investigate this message further?


usbus0: EHCI version 1.0
usbus0: 480Mbps High Speed USB v2.0
ugen0.1: <Intel EHCI root HUB> at usbus0
uhub0: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus0
uhub0: 2 ports with 2 removable, self powered
ugen0.2: <vendor 0x8087 product 0x0024> at usbus0
uhub1: <vendor 0x8087 product 0x0024, class 9/0, rev 2.00/0.00, addr 2> on usbus0
uhub1: 8 ports with 8 removable, self powered
ugen0.3: <ATP Electronics ATP IG eUSB> at usbus0
umass0: <ATP Electronics ATP IG eUSB, class 0/0, rev 2.00/11.00, addr 3> on usbus0
umass0:  SCSI over Bulk-Only; quirks = 0x4800
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