Re: (ITS#6200) slapd crashes under load w/ syncrepl

[joacim.breiler@hgo.se]

Thanks for your fast replies! The 'make install STRIP=""' did the trick.

I ran the server for about a week with no segfaults, then I decided that 
I couldn't wait for it any longer. So I connected to the server using an 
LDAP browser, and then after about ten minutes it segfaulted. So to 
reproduce I need one connection that is reading/updating/creating 
entries. And one connection that does an occasional read, otherwise the 
server will keep on running.

The traceback from gdb gives:

0x00007f96c3fc00ad in syncprov_op_mod (op=0x7f9688000ac0, rs=0x44688c80) 
at syncprov.c:1970
1970                        for ( m2 = mt->mt_mods; m2->mi_next != mi;
(gdb) where
#0  0x00007f96c3fc00ad in syncprov_op_mod (op=0x7f9688000ac0, 
rs=0x44688c80) at syncprov.c:1970
#1  0x00000000004c438a in overlay_op_walk (op=0x7f9688000ac0, 
rs=0x44688c80, which=op_modify, oi=0x12293c0, on=0x12295a0) at 
backover.c:659
#2  0x00000000004c4667 in over_op_func (op=0x7f9688000ac0, 
rs=0x44688c80, which=op_modify) at backover.c:721
#3  0x00000000004c47ac in over_op_modify (op=0x7f9688000ac0, 
rs=0x44688c80) at backover.c:760
#4  0x000000000045bb21 in fe_op_modify (op=0x7f9688000ac0, 
rs=0x44688c80) at modify.c:301
#5  0x000000000045b430 in do_modify (op=0x7f9688000ac0, rs=0x44688c80) 
at modify.c:175
#6  0x000000000043c3ec in connection_operation (ctx=0x44688de0, 
arg_v=0x7f9688000ac0) at connection.c:1123
#7  0x000000000043c975 in connection_read_thread (ctx=0x44688de0, 
argv=0x17) at connection.c:1259
#8  0x0000000000525193 in ldap_int_thread_pool_wrapper (xpool=0x1190290) 
at tpool.c:685
#9  0x00007f96c49613ea in start_thread () from /lib/libpthread.so.0
#10 0x00007f96c44b9cbd in clone () from /lib/libc.so.6
#11 0x0000000000000000 in ?? ()

/J