[rrd-users] rrdtool 1.3.0 - memory eaten away by mmap.

Sebastian Harl sh at tokkee.org
Wed Jun 18 16:45:39 CEST 2008


On Wed, Jun 18, 2008 at 03:13:59PM +0200, Tobias Oetiker wrote:
> Yesterday Raimund Berger wrote:
> > So I sent the rrdtool process SIGABRT and dumped core when those
> > mmap's happen. Apparently, it turns out to be some issue with
> > libcairo. Even if it's input is faulty, it sure shouldn't behave like
> > that.
> >
> > Anyway, back trace attached.
> glad to hear it is cairo, so that question is what makes it go belly
> up ... maybe we can alter rrdtool NOT to stroke it in that
> particular way (and I thought by moving away from libart I got rid
> of these problems ... )

I've once had a problem with libcairo (from Debian Etch iirc) that would
segfault if I did too much drawing (some tens of thousands of updates
iirc) without calling cr_stroke() in between. I cannot image that
rrdtool would draw that much but I thought I'd mention it anyway ;-)


Sebastian "tokkee" Harl +++ GnuPG-ID: 0x8501C7FC +++ http://tokkee.org/

Those who would give up Essential Liberty to purchase a little Temporary
Safety, deserve neither Liberty nor Safety.         -- Benjamin Franklin

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