Re: (ITS#6362) slapd 2.4.19 Segmentation fault under load

[mbackes@symas.com]

Hello, Aleksey.

> Openldap 2.4.19 installed from freebsd ports. All configs in defauls  
> Freebsd 7.2 amd64 Slapd built with the "-g" flag and install with  
> the make install STRIP=""

Okay.

> Used backends db46-4.6.21.4, db47-4.7.25.4 latest from freebsd ports.

>        libdb-4.6.so.0 => /usr/local/lib/libdb-4.6.so.0 (0x800a97000)

At the same time?  Your ldd list below shows only berkeley db 4.6.   
These don't mix...

> In slapd config added using hdb as backend and indexes.  Testing  
> database consist of 1000 users accounts with minimum attributes.  On  
> stress test load slapd Segmentation fault in 10-30 sec.

What sort of operations?

> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 0x803404560 (LWP 100116)]
> 0x0000000802d5aa4b in hdb_idl_fetch_key (be=Error accessing memory  
> address
> 0x7ffffd9f9f38: Bad       s.
> ) at idl.c:511

Does it always fail at the same location?  How reproducible is this?

Matthew Backes
Symas Corporation
mbackes@symas.com