Am 16.02.2012 12:01, schrieb Paolo Bonzini: > On 02/16/2012 11:34 AM, Kevin Wolf wrote: >> Remember that I saw a similar crash a while ago? It was definitely a >> NULL pointer access somewhere inside SwitchToFiber. I can't remember >> exactly what came out of it, but I think you and Paolo couldn't >> reproduce it and I ran out of time for debugging win32 stuff. >> >> If I was to debug this, the first thing I would try is that I would dump >> co->fiber (or actually I seem to remember it was some data structure >> that is only pointed to by a field in co->fiber) immediately after the >> coroutine is created (I think it was still okay then) and set a >> watchpoint on it. > > IIRC the problem was that thread-local storage was not thread-local at all.
Ah, right. And we didn't introduce a workaround, so I guess this is the same thing. Do newer mingw versions get this right or were you just lucky and we should look for some kind of workaround? Kevin
