Hi. We use bird as routing daemon on our linux routers. At now we have one ospf and 7 bgp protocols in configuration. During last bgp reconfiguration ( we play with med attribute) segfault occurred. I see this in gdb: Program terminated with signal 11, Segmentation fault. #0 rem_node (n=0x7f58e2fccd80) at ../lib/lists.c:99 99 ../lib/lists.c: No such file or directory. (gdb) bt #0 rem_node (n=0x7f58e2fccd80) at ../lib/lists.c:99 #1 olock_free (r=0x7f58d9bc6140) at ../../nest/locks.c:70 #2 olock_free (r=0x7f58d9bc6140) at ../../nest/locks.c:52 #3 0x00007f58d5eed2e2 in pool_free (P=<optimized out>) at resource.c:81 #4 0x00007f58d5eed356 in rfree (res=0x7f58e210e880) at resource.c:164 #5 0x00007f58d5eb716a in proto_notify_state (p=0x7f58e3481240, ps=<optimized out>) at ../../nest/proto.c:1060 #6 0x00007f58d5ee4631 in ev_run (e=<optimized out>) at event.c:85 #7 ev_run_list (l=l@entry=0x7f58d610db30) at event.c:135 #8 0x00007f58d5ee64a8 in io_loop () at io.c:1559 #9 0x00007f58d5eb0044 in main (argc=<optimized out>, argv=<optimized out>) at main.c:744 (gdb) bt full #0 rem_node (n=0x7f58e2fccd80) at ../lib/lists.c:99 z = 0x0 x = 0x7f58e2fccd88 #1 olock_free (r=0x7f58d9bc6140) at ../../nest/locks.c:70 q = 0x7f58e2fccd40 n = 0x7f58e2fccd80 l = 0x7f58d9bc6140 #2 olock_free (r=0x7f58d9bc6140) at ../../nest/locks.c:52 l = 0x7f58d9bc6140 #3 0x00007f58d5eed2e2 in pool_free (P=<optimized out>) at resource.c:81 p = <optimized out> r = 0x7f58d9bc6140 rr = 0x7f58d8bfbe00 #4 0x00007f58d5eed356 in rfree (res=0x7f58e210e880) at resource.c:164 r = 0x7f58e210e880 #5 0x00007f58d5eb716a in proto_notify_state (p=0x7f58e3481240, ps=<optimized out>) at ../../nest/proto.c:1060 ops = <optimized out> cs = 3 #6 0x00007f58d5ee4631 in ev_run (e=<optimized out>) at event.c:85 No locals. #7 ev_run_list (l=l@entry=0x7f58d610db30) at event.c:135 e = <optimized out> n = <optimized out> tmp_list = {head = 0x7fff3673ebc8, null = 0x0, tail = 0x7fff3673ebc0} #8 0x00007f58d5ee64a8 in io_loop () at io.c:1559 rd = {fds_bits = {384, 0 <repeats 15 times>}} wr = {fds_bits = {0 <repeats 16 times>}} timo = {tv_sec = 0, tv_usec = 0} hi = <optimized out> events = <optimized out> s = <optimized out> n = <optimized out> #9 0x00007f58d5eb0044 in main (argc=<optimized out>, argv=<optimized out>) at main.c:744 use_uid = 913567152 use_gid = 0 We cant reproduce this segfault but we have coredump. BIRD version 1.3.9 from debian packages(bird_1.3.9-1_amd64.deb) -- Regards, Dmitry Sinina ONAT network engineer