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From: Hans Petter Selasky <hselasky@c2i.net>
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Date: Tue, 6 Jan 2009 09:40:21 +0100
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Cc: usb@freebsd.org
Subject: Re: xsane busted with usb2
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On Tuesday 06 January 2009, M. Warner Losh wrote:
> With sys/dev/usb, I'm able to kldload uscanner and xsane just works.
> With usb2, I klduscanner, and it doesn't.  There's no /dev/uscanner0
> in the ls listing, but one can open that file directly.  trussing
> sane-find-scanners yields:
>
> ...
> open("/dev/",O_NONBLOCK,020222513)		 = 4 (0x4)
> fstat(4,{ mode=dr-xr-xr-x ,inode=2,size=512,blksize=4096 }) = 0 (0x0)
> fcntl(4,F_SETFD,FD_CLOEXEC)			 = 0 (0x0)
> fstatfs(0x4,0x7fffffffda80,0x0,0x0,0x60,0x801200110) = 0 (0x0)
> getdirentries(0x4,0x80120c000,0x1000,0x80120a0a8,0x30,0x801200158) = 1516
> (0x5ec)
> getdirentries(0x4,0x80120c000,0x1000,0x80120a0a8,0xffffffff8064d180,0x7ffff
>fffdd18) = 0 (0x0) lseek(4,0x0,SEEK_SET)				 = 0 (0x0)
> close(4)					 = 0 (0x0)
> open("/dev/usb0",O_RDWR,00)			 ERR#6 'Device not configured'
> open("/dev/usb1",O_RDWR,00)			 ERR#6 'Device not configured'
> open("/dev/usb2",O_RDWR,00)			 ERR#6 'Device not configured'
> open("/dev/usb3",O_RDWR,00)			 ERR#6 'Device not configured'
> open("/dev/usb4",O_RDWR,00)			 ERR#6 'Device not configured'
> open("/dev/usb5",O_RDWR,00)			 ERR#6 'Device not configured'
> open("/dev/usb6",O_RDWR,00)			 ERR#6 'Device not configured'
> open("/dev/usb7",O_RDWR,00)			 ERR#6 'Device not configured'
> open("/dev/usb8",O_RDWR,00)			 ERR#6 'Device not configured'
> open("/dev/usb9",O_RDWR,00)			 ERR#6 'Device not configured'
> write(1,"  # No USB scanners found. If yo"...,79) = 79 (0x4f)
> ...
>
> Is there a fix for this?

Hi,

I looks like xsane is linked with libusb-0.1 . Try re-linking xsane with 
libusb20. Then everything should work.

--HPS