Re: slapd crashes due to assertion failure

[John Morrissey <jwm@horde.net>]

On Wed, Mar 26, 2008 at 12:06:45PM -0700, Quanah Gibson-Mount wrote:
> --On Wednesday, March 26, 2008 10:57 AM -0400 John Morrissey 
> <jwm@horde.net> wrote:
> > I'm not sure if this gives enough to go on, but I've rebuilt with
> > optimization disabled and have a debugger attached for the next time it
> > fails.
> 
> You may never hit it.  I recall having this problem with certain buggy 
> versions of gcc (which is pretty much any version of gcc) in how it 
> optimizes the code.  I never build OL with optimizations anymore, as gcc 
> just cannot do the job right.

The unoptimized build crashed earlier today; I only have a partial backtrace
(below), but I can try to get a complete one next time if it would be more
useful.

The assertion 'c->c_writewaiter == 0' in connection_destroy() is what seems
to be failing.

#0  0xb7be3947 in raise () from /lib/tls/libc.so.6
#1  0xb7be50c9 in abort () from /lib/tls/libc.so.6
#2  0xb7bdd05f in __assert_fail () from /lib/tls/libc.so.6
#3  0x08071d03 in connection_destroy (c=0x9036b6a8)
    at /var/jwm/o2/openldap/servers/slapd/connection.c:680
#4  0x080726ab in connection_close (c=0x9036b6a8)
    at /var/jwm/o2/openldap/servers/slapd/connection.c:900
#5  0x080740bd in connection_resched (conn=0x9036b6a8)
    at /var/jwm/o2/openldap/servers/slapd/connection.c:1722
#6  0x08073009 in connection_operation (ctx=0x903672b4, arg_v=0x8245118)
    at /var/jwm/o2/openldap/servers/slapd/connection.c:1179

john
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