On Mon, 29 Jul 2002, Gregory Bond wrote: GB> > My understanding is that whether or not -O2 *should* produce exactly GB> > equivalent code to -O, there are recurrent reports of people having GB> > trouble doing a buildworld with -O2 in -stable or in 4.x release GB> > trains, where their problems go away when they revert back to -O. GB> GB> The TCP checksum code seems to be the most common culprit - compiling with -O2 GB> seems to create checksum routines that fail in certain corner cases, meaning GB> some hosts or some data patterns cause TCP sessions to freeze. GB> GB> [I've not seen it myself, but it has been reported here a couple of times.]
It possibly has been fixed recently: http://docs.freebsd.org/cgi/getmsg.cgi?fetch=727930+0+archive/2002/cvs-all/20020707.cvs-all Sincerely, D.Marck [DM5020, DM268-RIPE, DM3-RIPN] ------------------------------------------------------------------------ *** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- [EMAIL PROTECTED] *** ------------------------------------------------------------------------ To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-stable" in the body of the message
