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Date: Wed, 28 Jul 1999 14:47:20 +0200 (CEST)
From: zgabor@CoDe.hu
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Subject: conf/12850: bug in 3.x's new i386 bootloader
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>Number:         12850
>Category:       conf
>Synopsis:       an interesting bug in the 3.x series' new i386 bootloader
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Jul 28 06:10:01 PDT 1999
>Closed-Date:
>Last-Modified:
>Originator:     Zahemszky Gabor
>Release:        FreeBSD 3.2-RELEASE i386
>Organization:
CoDe Kft.
>Environment:

	

>Description:

	In the file: /usr/src/sys/i386/boot/common/pnp.c, in the pnp_reload
function, at line 108, there is a bug: (by the way, this file hasn't got any
version info, it's on my 3.2-R i386 machine)
the function has only one parameter: the filename, (char *) fname; from which
file we need to reload some information.  In the function, there are three
pnp_readconf() calls, the first two are with constant strings ("/boot/xxx1",
and "/boot/xxx2" - I cannot remember), and the third, with the parameter:
pnp_readconf( fname ).  But in the file, there is:

pnp_readconf( "fname" ).
--------------^-----^
So with it, we cannot use another config file, as the code tested that name:
"fname".  (But on the error report, it reports the normal filename - fname.)

>How-To-Repeat:

	vi /usr/src/sys/i386/boot/common/pnp.c
	108G

>Fix:
	
	substitute "fname" with fname :-)
	f"x;x (a'la vi)

By, Gabor Zahemszky
	ZGabor at CoDe dot HU

-----
#!/bin/ksh
Z='21N16I25C25E30, 40M30E33E25T15U!' ;IFS=' ABCDEFGHIJKLMNOPQRSTUVWXYZ ';set $Z ;for i { [[ $i = ? ]]&&print $i&&break;[[ $i = ??? ]]&&j=$i&&i=${i%?};typeset -i40 i=8#$i;print -n ${i#???};[[ "$j" = ??? ]]&&print -n "${j#??} "&&j=;typeset +i i;};IFS=' 0123456789 ';set $Z;X=;for i { [[ $i = , ]]&&i=2;[[ $i = ?? ]]||typeset -l i;X="$X $i";typeset +l i;};print "$X"

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


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