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Re: Exim4 problems


From: Svante Signell
Subject: Re: Exim4 problems
Date: Mon, 16 May 2011 00:04:48 +0200

On Sun, 2011-05-15 at 23:57 +0200, Samuel Thibault wrote:
> 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?

lrw-r--r-- 1 root root 10 Mar 18 16:05 /servers/crash -> crash-kill

> > > 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.

I'll try that later. Report in due time.





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