[netflow-tools] Python flowd module causing SIGBUS on OpenBSD/sparc64

[Damien Miller]

On Tue, 28 Aug 2007, Ben Lovett wrote:

> I'm trying to get some network monitoring going, and am revisiting
> flowd with pfflowd. To try and make things a little more
> interesting I'm looking at using the python interface to flowd, but
> am running into a rather major problem, namely SIGBUS.
> 
> This is only happening for me on my sparc64, i386 causes no
> troubles. Below is a backtrace generated after building the module
> with debugging symbols.
> 
> Ideas?

You could try running with

env MALLOC_OPTIONS=AFGJP python

It looks like something is hosing memory, but the crash doesn't seem
to be proximal to the actual corruption. Turning on those malloc options
might expose the corruption closer to where it occurs.

-d