Tom Lane wrote:
> Steve Clark <sclark@netwolves.com> writes:
>
>>I have a program that worked fine in 7.4.19. I am in process of upgrading
>>to 8.3.1 and my program runs for a while and then hangs. I used gdb
>>to attach to the process and it shows the following backtrace which
>>shows it
>>going into the libpq library and getting stuck.
>
>
> Well, gdb is lying to you to some extent (you'd probably get a better
> backtrace if you had built libpq with debug symbols), but I think it's
> simply waiting for a query response. Is the connected backend busy?
>
> If the problem is that some query is taking way longer than you were
> expecting, the first thought that comes to mind is "did you ANALYZE
> your tables after reloading", and the second is "check for
> configuration settings that you forgot to propagate into the new
> installation".
>
> regards, tom lane
>
>
Hi Tom,
I was testing with 8.2.6 before 8.3.0 came out and I don't think I saw
this problem.
I recompiled with debugging turned on and I'll do a closer inspection
when/if it happens
again.
Steve