The following reply was made to PR bin/37523; it has been noted by GNATS.

From: "David H. Gutteridge" <dhgutteridge@sympatico.ca>
To: gnats-bugs@NetBSD.org
Cc: 
Subject: Re: bin/37523: mount_msdos gives an error when trying to mount USB drives on 4.0
Date: Tue, 18 Dec 2007 22:08:04 -0500

 As another update, I've found this problem only happens if the USB
 drive is plugged into the machine after the kernel has finished
 booting.  If I plug the USB drive in after that point, the error
 occurs reliably (for the first mounting attempt).  But if the drive
 was already plugged in before the machine boots, the error never
 occurs.