Re: Bug in libpq causes local clients to hang

"Jeffrey Baker" <jwbaker(at)gmail(dot)com> writes:
> On Sun, Mar 23, 2008 at 8:35 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> If it works over TCP and not over Unix socket, it's a kernel bug.
>> The libpq code doesn't really know the difference after connection
>> setup.

> The same thought occurred to me, but it could also be a race condition
> which the unix socket is fast enough to trigger but the TCP socket is
> not fast enough to trigger. I'm peeking around in the code but
> nothing jumps out yet.

Fairly hard to believe given that you're talking about communication
between two sequential processes. Anyway I'd suggest that the first
thing to do is extract a reproducible test case. It'd be useful
to see if it hangs on other platforms...

regards, tom lane