On 13 May 2011 23:34, Brendan Miller wrote: > On Wed, May 11, 2011 at 2:35 AM, Jonathan Wakely <jwakely.gcc@xxxxxxxxx> wrote: >> On 11 May 2011 01:52, Brendan Miller wrote: >>> >>> In some older versions of G++ there seems to be a bug in the lazy >>> initialization code that was causing an exception to be thrown in some >>> circumstances. >> >> Can you reliably reproduce those circumstances or is it something >> you've only seen in occasional stack traces? >> > > It's a multi-threading problem, so it's inherently not deterministic. > However, I asked and apparently we've been seeing that code throw an > exception on a regular basis. So you should be able to catch the exception to see if it is the recursive_init type, right? You could also try running against an alternative libstdc++.so.6, either built with debugging symbols to help debug the stack traces, or from a later gcc, to see if the problem goes away.
