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Date: Wed, 26 Feb 1997 11:24:52 -0500 (EST)
From: fcawth@jjarray.umd.edu
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Subject: ports/2821: XFree86 for 2.2-GAMMA utmp problems 
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>Number:         2821
>Category:       ports
>Synopsis:       XFree86 distributed with 2.2-GAMMA corrupts /var/run/utmp
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    freebsd-ports
>State:          open
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Feb 26 08:30:01 PST 1997
>Last-Modified:
>Originator:     Fred Cawthorne
>Organization:
University of Maryland
>Release:        FreeBSD 2.2-970205-GAMMA i386
>Environment:


FreeBSD 2.2-970205-GAMMA #1: Wed Feb 26 10:07:04 EST 1997
    fcawth@jjarray.umd.edu:/usr/src/sys/compile/JJARRAY
Calibrating clock(s) relative to mc146818A clock ... i586 clock: 199434307 Hz, i8254 clock: 1193198 Hz
CPU: Pentium Pro (199.43-MHz 686-class CPU)
  Origin = "GenuineIntel"  Id = 0x617  Stepping=7
  Features=0xf9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,<b11>,MTRR,PGE,MCA,CMOV>
real memory  = 67108864 (65536K bytes)

>Description:

The XFree86 in the 2.2-Gamma dist on wcarchive appears to be compiled on a 
machine with UT_NAMESIZE=16 in utmp.h, (i.e. -current). This makes programs
like xterm write 16 byte names into /var/run/utmp, corrupting it badly...


>How-To-Repeat:
Start X, run "w", see that the entries are corrupted.  Open more xterms, get
more messed up /var/run/utmp file.

>Fix:
	
Re-compile the XFree86 binaries with the proper utmp.h include file 
(i.e. the one that comes with 2.2-GAMMA works just fine)
>Audit-Trail:
>Unformatted: