On Fri, Oct 21, 2005 at 03:17:34PM +0200, Krasimir Angelov wrote:
If I remember exactly you said that your program was working before movement to ghc 6.4.1. If that is the case then I doubt that the problem is in HSQL. In any case the easy way to catch that is to add some trace messages in HSQL. At least traces at the beginning and at
Unfortunately, this has been elusive so far, perhaps due to the multithreaded nature of the program. It appears to be crashing at different places different times -- after calling fetch one time, in the middle of query the next. I am trying to narrow it down a bit by reducing the number of threads and hoping I can still duplicate the problem in a reasonable amount of time. I should also add that I'm putting these debug statements in the PostgreSQL module, but I had observed these segfaults previously when I was using Sqlite3. I switched from sqlite3 to postgresql both for performance reasons, and to try to narrow down this problem. It helped with the performance, anyway ;-) -- John