FC4T2 VPN failure

Arjan van de Ven arjanv at redhat.com
Wed May 4 11:04:05 UTC 2005


On Tue, 2005-05-03 at 21:55 -0400, Alan Cox wrote:
> On Tue, May 03, 2005 at 04:38:02PM -0700, David Berkley wrote:
> > magic number) in FC4.  All authentication data appears
> > correct (username, password) but magic number doesn't
> > check with server.
> > 
> > I see no bugzilla filing about this but have no idea
> > what type of problem this could be filed as.
> 
> First guess would be compiler. Although there is a saying that "the first
> error in blaming the compiler is blaming the compiler" gcc 4.0 is fairly new
> so it could be a compiler problem.
> 
> Try with optimisation disabled, if that works turn on -Wall and also check for
> any uninitialised or mis-typed variables because gcc4 will produce different
> results for those errors sometimes.

another big one is aliasing; gcc4 optimizes a lot more agressive in that
area and has found several bugs already in other apps


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