RE: (ITS#5668) Invalid entryCSN generated, and slapd will not restart

[emmanuel.duru@atosorigin.com]

I am running windows 32 bits.
Here is what I get from my debugging session:
After QueryPerformanceCounter( &count ), count.QuadPart is worth
4243738405535005 
So the overflow comes from count.QuadPart *= 1000000;


> -----Message d'origine-----
> De : Howard Chu [mailto:hyc@symas.com]
> Envoyé : mercredi 27 août 2008 13:08
> À : openldap-its@openldap.org; Emmanuel Duru
> Objet : Re: (ITS#5668) Invalid entryCSN generated, and slapd will not
> restart
> 
> ando@sys-net.it wrote:
> > emmanuel.duru@atosorigin.com wrote:
> >> I see that tm->tm_usub is negative, there seems to be overflows between
> >> LARGE_INTEGER and int variables.
> 
> It would take over 4 billion operations in a single timer tick (on the
> order
> of nanoseconds) to make tm_usub overflow. That seems pretty unlikely.
> 
> > If the problem disappears by initializing the static variables in
> > lutil_gettime(), then it might be a compiler issue.
> 
> I suppose that's always possible...
> 
> The original post shows that the tm_usec field is negative. That could
> happen
> if the offset we computed between the SYSTEMTIME and the
> PerformanceCounter
> was wrong, or if the SYSTEMTIME was adjusted while the process was
> running.
> 
> What version of Windows are you running? 32 or 64 bit? Can you singlestep
> through this function with a debugger and verify all of the values? I
> haven't
> run this code on Windows in a long time, would take a bit of effort to
> resurrect my build environment.
> 
> --
>    -- Howard Chu
>    CTO, Symas Corp.           http://www.symas.com
>    Director, Highland Sun     http://highlandsun.com/hyc/
>    Chief Architect, OpenLDAP  http://www.openldap.org/project/