Are you using the changes in usb_subr.c incorporated Into NetBSD-3.x
and, in the NetBSD-2 branch after Decemberr 6 or so?  These are the changes
Nathanw put in in 1.131 of the file, I think, and they made a huge
difference for a number of devices I own which were giving messages similar
to yours.
-Brian

On Dec 18,  8:55pm, Rui Paulo wrote:
} Subject: Re: USB Flash drives
} 
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} On 2005.12.18 21:39:48 +0100, Jaromir Dolecek wrote:
} | On Sun, Dec 18, 2005 at 03:34:14PM -0500, Yasir Malik wrote:
} | > Hi,
} | >=20
} | > Has anybody has success with the different USB flash drives out there?=
} =20
} | > >From umass(4), I only see "Lexar Media JumpDrive Flash Disks" as "know=
} n"=20
} | > to work.  I would appreciate it if somebody could point out some that w=
} ork=20
} | > on NetBSD.
} |=20
} | Pretty much any umass device works.
} 
} I have problems with some Sony digital cameras:
} umass0 at uhub4 port 8 configuration 1 interface 0
} umass0: Sony Sony DSC, rev 2.00/5.00, addr 2
} umass0: using SCSI over CBI
} scsibus0 at umass0: 2 targets, 1 lun per target
} umass0: CBI reset failed, IOERROR
} umass0: CBI bulk-in stall clear failed, IOERROR
} umass0: CBI bulk-out stall clear failed, IOERROR
} umass0: at uhub4 port 8 (addr 2) disconnected
} scsibus0 detached
} umass0 detached
} 
} Any hints ?
} 
} 		-- Rui Paulo
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>-- End of excerpt from Rui Paulo