kern/117712: unexpected reboot after mount USB flash drive

[andrew barbashov]

>Number:         117712
>Category:       kern
>Synopsis:       unexpected reboot after mount USB flash drive
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Oct 31 06:50:00 UTC 2007
>Closed-Date:
>Last-Modified:
>Originator:     andrew barbashov
>Release:        free BSD 6.0, free BSD 6.2
>Organization:
Hekro PET Ltd
>Environment:
FreeBSD ra.hekropet.com.ua 6.0-RELEASE FreeBSD 6.0-RELEASE #11: Thu Dec 29 15:24:03 EET 2005     admin at temp.hekropet.com.ua:/usr/src/sys/i386/compile/ra  i386
>Description:
connect USB flash drive (transcend jetflash with switch read only on / R/o off) via USB, swith on flash - R/O on -

Oct 30 12:20:04 ra kernel: umass0: JetFlash TS256MJF2A, rev 2.00/1.00, addr 2
Oct 30 12:20:04 ra kernel: da0 at umass-sim0 bus 0 target 0 lun 0
Oct 30 12:20:04 ra kernel: da0: <JetFlash TS256MJF2A 1.00> Removable Direct Access SCSI-2 device 
Oct 30 12:20:04 ra kernel: da0: 40.000MB/s transfers
Oct 30 12:20:04 ra kernel: da0: 248MB (508000 512 byte sectors: 64H 32S/T 248C)

all correct.

try to mount  -

#mount -t msdos /dev/da0s1 /mnt

Oct 30 12:21:04 ra kernel: (da0:umass-sim0:0:0:0): WRITE(10). CDB: 2a 0 0 0 0 40 0 0 8 0 
Oct 30 12:21:04 ra kernel: (da0:umass-sim0:0:0:0): CAM Status: SCSI Status Error
Oct 30 12:21:04 ra kernel: (da0:umass-sim0:0:0:0): SCSI Status: Check Condition
Oct 30 12:21:04 ra kernel: (da0:umass-sim0:0:0:0): DATA PROTECT asc:27,0
Oct 30 12:21:04 ra kernel: (da0:umass-sim0:0:0:0): Write protected
Oct 30 12:21:04 ra kernel: (da0:umass-sim0:0:0:0): Unretryable error
Oct 30 12:21:04 ra kernel: g_vfs_done():da0s1[WRITE(offset=4096, length=4096)]error = 13
Oct 30 12:21:04 ra kernel: (da0:umass-sim0:0:0:0): WRITE(10). CDB: 2a 0 0 0 0 40 0 0 8 0 
Oct 30 12:21:04 ra kernel: (da0:umass-sim0:0:0:0): CAM Status: SCSI Status Error
Oct 30 12:21:04 ra kernel: (da0:umass-sim0:0:0:0): SCSI Status: Check Condition
Oct 30 12:21:04 ra kernel: (da0:umass-sim0:0:0:0): DATA PROTECT asc:27,0
Oct 30 12:21:04 ra kernel: (da0:umass-sim0:0:0:0): Write protected
Oct 30 12:21:04 ra kernel: (da0:umass-sim0:0:0:0): Unretryable error
Oct 30 12:21:04 ra kernel: g_vfs_done():da0s1[WRITE(offset=4096, length=4096)]error = 13
Oct 30 12:21:04 ra kernel: fsync: giving up on dirty
Oct 30 12:21:04 ra kernel: 0xc2fc9990: tag devfs, type VCHR
Oct 30 12:21:04 ra kernel: usecount 1, writecount 0, refcount 33 mountedhere 0xc3baba00
Oct 30 12:21:04 ra kernel: flags ()
Oct 30 12:21:04 ra kernel: v_object 0xc3cf44a4 ref 0 pages 32
Oct 30 12:21:04 ra kernel: 
Oct 30 12:21:04 ra kernel: dev da0s1

after this system reboot. 
try this on other 2 PC with same effect.
if flash swith R/O off - no this problem.
thanks...

>How-To-Repeat:

>Fix:


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