Re: Exim4 problems

[Samuel Thibault]

Svante Signell, le Sun 15 May 2011 23:52:10 +0200, a écrit :
> On Sun, 2011-05-15 at 23:34 +0200, Samuel Thibault wrote:
> > Svante Signell, le Sun 15 May 2011 23:20:52 +0200, a écrit :
> > > Segmentation fault
> > 
> > Do you have a core file? Does your shell perhaps has limited core size
> > limit? (ulimit -a to check)
> 
> Sorry I don't find any core file anywhere:
> ulimit -a
> socket buffer size       (bytes, -b) unlimited
> core file size          (blocks, -c) unlimited

So it's unlimited, but you don't have a core file? What does
/servers/crash point to?

> > The address is really bogus, use show registers to know where it comes
> > from, check eip, say 0x1234, use l * 0x1234 to know where that is, etc.,
> > i.e. the usual "let's collect all trivial information before looking for
> > some direction".
> 
> Sorry, I need more info here.

Well, it doesn't really matter to understand much assembly.  At worse
paste the result on the list.

> I thought development was made with high-level languages nowadays (at
> least C-level)

It is. But bugs are quite often when things go wrong ;)

> Update on optimization levels: -O1 does not work either :(
> Other compiler switches are: -fno-strict-aliasing -fvisibility=hidden
> -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -Wall
> There are a lot of warnings though: maybe some of them can cause
> problems.

Possibly.

It could be very worth trying to build with the exact same compiler and
libc on linux, to check whether it gets a crash too.

Samuel