usb/112631: Problem with SONY DSC-S80 camera

[Charlie]

>Number:         112631
>Category:       usb
>Synopsis:       Problem with SONY DSC-S80 camera
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-usb
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sun May 13 15:00:08 GMT 2007
>Closed-Date:
>Last-Modified:
>Originator:     Charlie &
>Release:        FreeBSD 6.2-RELEASE-p4 i386
>Organization:
>Environment:
System: FreeBSD nuclear 6.2-RELEASE-p4 FreeBSD 6.2-RELEASE-p4 #16: Wed May 9 21:43:06 UTC 2007 root at nuclear:/usr/obj/usr/src/sys/FAST i386


	
>Description:

	Kernel panick.

>How-To-Repeat:
	
	Camera SONY DSC-S80 as drive without memory card(for access to
	internal read-only memory). In /dev/ was create new da0 and da0s1.
	After mount all right but when start unmount (and in sync)
	system try to write change and fail. Can't dismount. If dismount
	-force then crash kernel.

>Fix:

	I am think need detect read-only "da" device.


>Release-Note:
>Audit-Trail:
>Unformatted: