Re: bin/13578

[David Holland <dholland-bugs%netbsd.org@localhost>]

The following reply was made to PR bin/13578; it has been noted by GNATS.

From: David Holland <dholland-bugs%netbsd.org@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: bin/13578
Date: Sat, 31 Dec 2022 03:16:10 +0000

 On Sun, Jan 01, 2012 at 12:00:09AM +0000, Jeff Rizzo wrote:
  >  Ok, I can't reproduce it on 5.0/i386, but I *can* on -current (5.99.59) 
  >  macppc:
  >  
  >  g4:riz  ~> env TZ=UTC sudo date 190201010000
  >  
  >  We trust you have received the usual lecture from the local System
  >  Administrator. It usually boils down to these three things:
  >  
  >       #1) Respect the privacy of others.
  >       #2) Think before you type.
  >       #3) With great power comes great responsibility.
  >  
  >  Wed Jan  1 00:00:00 UTC 1902
  >  g4:riz  ~> date
  >  Tue Dec 31 16:00:01 PST 1901
  >  g4:riz  ~> sudo /etc/rc.d/ntpdate onestart
  >  Setting date via ntp.
  >  g4:riz  ~> date
  >  Wed Nov 24 09:29:25 PST 1875
 
 Observation: that time (in 1875) is the right time (for Dec 31, 2011)
 with 0xffffffff pasted into the upper 32 bits.
 
 After looking at the ntpdate code, which is ... interesting ..., I
 strongly suspect a compiler bug, especially on a 32-bit target.
 
 In which case there's a good chance it's no longer there, if anyone
 has a macppc they don't mind messing with the clock on.
 
 -- 
 David A. Holland
 dholland%netbsd.org@localhost