bin/176746: Document a bug (unusual 2K block media) with src/sbin/fsck_msdosfs/

[Julian H. Stacey]

>Number:         176746
>Category:       bin
>Synopsis:       Document a bug (unusual 2K block media) with src/sbin/fsck_msdosfs/
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          change-request
>Submitter-Id:   current-users
>Arrival-Date:   Fri Mar 08 12:10:00 UTC 2013
>Closed-Date:
>Last-Modified:
>Originator:     Julian H. Stacey
>Release:        FreeBSD 9.1-RELEASE amd64
>Organization:
/home/jhs/.organization
>Environment:
System: FreeBSD lapr.js.berklix.net 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Tue Jan 29 22:57:22 CET 2013 jhs at lapr.js.berklix.net:/sys/amd64/compile/LAPR.small amd64


	
>Description:
Document a 2K block media bug to src/sbin/fsck_msdosfs/fsck_msdosfs.8

>How-To-Repeat:
Analysis here
http://www.berklix.com/~jhs/txt/sigmatel/#bsd2k

>Fix:
Apply patch (appended) 
-----------
http://www.berklix.com/~jhs/src/bsd/fixes/FreeBSD/src/gen/sbin/fsck_msdosfs/

*** 9.1-RELEASE/src/gen/sbin/fsck_msdosfs/fsck_msdosfs.8	Sat Nov 17 09:47:20 2012
--- new/src/gen/sbin/fsck_msdosfs/fsck_msdosfs.8	Thu Mar  7 23:28:43 2013
***************
*** 121,123 ****
--- 121,126 ----
  .Nm
  utility is
  .Ud
+ .br
+ Devices with 2K media blocks fail, for analysis & work around see
+ http://www.berklix.com/~jhs/txt/sigmatel/#bsd2k
-----------

The real fix will be to write some C.
This bug affects at least both FreeBSD & NetBSD.
Both were informed to mail lists, links to both archives here
http://www.berklix.com/~jhs/txt/sigmatel/#bsd2k

If I write (unikely) or hear of patches to fix it, they will first appear here:
http://berklix.com/~jhs/src/bsd/fixes/FreeBSD/src/gen/sbin/fsck_msdosfs/
>Release-Note:
>Audit-Trail:
>Unformatted: