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Date: Wed, 22 Mar 2006 18:53:50 GMT
From: Alexey <me@swizard.beercan.ru>
To: freebsd-gnats-submit@FreeBSD.org
Subject: Kernel panic while mounting SD card with lock switch on
X-Send-Pr-Version: www-2.3

>Number:         94838
>Category:       kern
>Synopsis:       Kernel panic while mounting SD card with lock switch on
>Confidential:   no
>Severity:       serious
>Priority:       low
>Responsible:    freebsd-scsi
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Mar 22 19:00:27 GMT 2006
>Closed-Date:    Thu Apr 14 20:08:30 UTC 2011
>Last-Modified:  Thu Apr 14 20:08:30 UTC 2011
>Originator:     Alexey
>Release:        6.1-PRERELEASE
>Organization:
>Environment:
FreeBSD pstation.swizard.beercan.ru 6.1-PRERELEASE FreeBSD 6.1-PRERELEASE #1: Mon Mar 20 23:06:22 MSK 2006     root@pstation.swizard.beercan.ru:/usr/obj/usr/src/sys/PSTATION61  i386

>Description:
Error "Permission denied" occurred when trying to mount SD card with lock
switch set to "on" and then kernel panic and reboot after several seconds.

Card reader: generic 7-in-1 3" slot card reader
SD card: Transcend 45x
dmesg output:
(da0:umass-sim0:0:0:0): CAM Status: SCSI Status Error
(da0:umass-sim0:0:0:0): SCSI Status: Check Condition
(da0:umass-sim0:0:0:0): UNIT ATTENTION csi:0,aa,55,61 asc:28,0
(da0:umass-sim0:0:0:0): Not ready to ready change, medium may have changed field replaceable unit: 61
(da0:umass-sim0:0:0:0): Retrying Command (per Sense Data)
(da0:umass-sim0:0:0:0): WRITE(10). CDB: 2a 0 0 0 0 ea 0 0 8 0
(da0:umass-sim0:0:0:0): CAM Status: SCSI Status Error
(da0:umass-sim0:0:0:0): SCSI Status: Check Condition
(da0:umass-sim0:0:0:0): DATA PROTECT csi:0,aa,55,61 asc:27,0
(da0:umass-sim0:0:0:0): Write protected field replaceable unit: 61
(da0:umass-sim0:0:0:0): Unretryable error
g_vfs_done():da0s1[WRITE(offset=512, length=4096)]error = 13
(da0:umass-sim0:0:0:0): WRITE(10). CDB: 2a 0 0 0 0 ea 0 0 8 0
(da0:umass-sim0:0:0:0): CAM Status: SCSI Status Error
(da0:umass-sim0:0:0:0): SCSI Status: Check Condition
(da0:umass-sim0:0:0:0): DATA PROTECT csi:0,aa,55,61 asc:27,0
(da0:umass-sim0:0:0:0): Write protected field replaceable unit: 61
(da0:umass-sim0:0:0:0): Unretryable error
g_vfs_done():da0s1[WRITE(offset=512, length=4096)]error = 13
fsync: giving up on dirty
0xc5931000: tag devfs, type VCHR
    usecount 1, writecount 0, refcount 19 mountedhere 0xc4ecb800
    flags ()
    v_object 0xc58f24a4 ref 0 pages 16


>How-To-Repeat:
Insert SD card with lock switch set to "on" in card reader and then mount
it with
# sudo mount_msdosfs /dev/da0s1 /mnt
>Fix:

>Release-Note:
>Audit-Trail:
Responsible-Changed-From-To: freebsd-bugs->freebsd-scsi 
Responsible-Changed-By: linimon 
Responsible-Changed-When: Wed Mar 22 20:48:59 UTC 2006 
Responsible-Changed-Why:  
Over to maintainer(s). 

http://www.freebsd.org/cgi/query-pr.cgi?pr=94838 
State-Changed-From-To: open->feedback 
State-Changed-By: jh 
State-Changed-When: Mon Feb 21 15:07:23 UTC 2011 
State-Changed-Why:  
Can you still reproduce this on a supported release? 

http://www.freebsd.org/cgi/query-pr.cgi?pr=94838 

From: Andriy Gapon <avg@freebsd.org>
To: bug-followup@freebsd.org
Cc:  
Subject: Re: kern/94838: Kernel panic while mounting SD card with lock switch
 on
Date: Mon, 21 Feb 2011 18:42:09 +0200

 I am not the submitter, but I was able to reproduce this issue a while ago.
 Now I can not reproduce it - mounting just fails, but there is no panic.
 It would be nice though for filesystem code (msdos in particular) to autodetect
 RO/locked media and fallback to RO mount.
 
 -- 
 Andriy Gapon
State-Changed-From-To: feedback->closed 
State-Changed-By: jh 
State-Changed-When: Thu Apr 14 20:07:39 UTC 2011 
State-Changed-Why:  
Feedback timeout from submitter. avg@ was unable to reproduce the 
problem anymore. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=94838 
>Unformatted:
