usb/169461: [ugen] USB2 high-speed device detected as full speed

Fridtjof Busse fridtjof at fbunet.de
Wed Jun 27 17:20:07 UTC 2012


The following reply was made to PR usb/169461; it has been noted by GNATS.

From: Fridtjof Busse <fridtjof at fbunet.de>
To: bug-followup at FreeBSD.org
Cc:  
Subject: Re: usb/169461: [ugen] USB2 high-speed device detected as full speed
Date: Wed, 27 Jun 2012 19:10:23 +0200

 > Do you see a QUIRK printout in dmesg?
 
 Only this line:
 umass0:  SCSI over Bulk-Only; quirks =3D 0x0100
 
 > Maybe you can also need to try setting quirks in /boot/loader.conf:
 >=20
 > hw.usb.ehci.lostintrbug: 0
 > hw.usb.ehci.iaadbug: 0
 >=20
 
 I set the configuration in /boot/loader.conf, but no change after =
 reboot. Still less than 1MB/s write speed.
 
 
 
 


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