Hello , when run for 5 days, today have 2 segment failure.
2011/09/04 12:00:47 [alert] 32147#0: worker process 8496 exited on signal 11 (core dumped)
2011/09/04 12:17:32 [alert] 8497#0: ignore long locked inactive cache entry 57c7c6c612a651727b880a1c9a2c7d2d, count:1
2011/09/04 12:21:31 [alert] 32147#0: worker process 19185 exited on signal 11 (core dumped)
Core was generated by `nginx:'.
Program terminated with signal 11, Segmentation fault.
#0 ngx_http_upstream_handler (ev=0x7fc45735f8a8) at src/http/ngx_http_upstream.c:915
915 ctx->current_request = r;
(gdb) bt
#0 ngx_http_upstream_handler (ev=0x7fc45735f8a8) at src/http/ngx_http_upstream.c:915
#1 0x0000000000419e95 in ngx_event_expire_timers () at src/event/ngx_event_timer.c:149
#2 0x0000000000419ac7 in ngx_process_events_and_timers (cycle=0x21f1990) at src/event/ngx_event.c:261
#3 0x000000000041f76e in ngx_worker_process_cycle (cycle=0x21f1990, data=<value optimized out>) at src/os/unix/ngx_process_cycle.c:800
#4 0x000000000041e16b in ngx_spawn_process (cycle=0x21f1990, proc=0x41f69d <ngx_worker_process_cycle>, data=0x0, name=0x463f3d "worker process", respawn=7) at src/os/unix/ngx_process.c:196
#5 0x000000000042008d in ngx_reap_children (cycle=0x21f1990) at src/os/unix/ngx_process_cycle.c:617
#6 ngx_master_process_cycle (cycle=0x21f1990) at src/os/unix/ngx_process_cycle.c:180
#7 0x0000000000406061 in main (argc=<value optimized out>, argv=<value optimized out>) at src/core/nginx.c:405
(gdb) bt full
#0 ngx_http_upstream_handler (ev=0x7fc45735f8a8) at src/http/ngx_http_upstream.c:915
c = 0x23b4160
r = 0x22a2780
ctx = <error reading variable ctx (Cannot access memory at address 0x20)>
u = 0x0
#1 0x0000000000419e95 in ngx_event_expire_timers () at src/event/ngx_event_timer.c:149
ev = 0x7fc45735f8a8
root = 0x7fc4574ffa30
sentinel = 0x689560
#2 0x0000000000419ac7 in ngx_process_events_and_timers (cycle=0x21f1990) at src/event/ngx_event.c:261
flags = 1
timer = <value optimized out>
delta = 21
#3 0x000000000041f76e in ngx_worker_process_cycle (cycle=0x21f1990, data=<value optimized out>) at src/os/unix/ngx_process_cycle.c:800
i = <value optimized out>
c = <value optimized out>
#4 0x000000000041e16b in ngx_spawn_process (cycle=0x21f1990, proc=0x41f69d <ngx_worker_process_cycle>, data=0x0, name=0x463f3d "worker process", respawn=7) at src/os/unix/ngx_process.c:196
on = 1
pid = 0
s = 7
#5 0x000000000042008d in ngx_reap_children (cycle=0x21f1990) at src/os/unix/ngx_process_cycle.c:617
i = <value optimized out>
live = <value optimized out>
n = <value optimized out>
ch = {command = 2, pid = 8496, slot = 7, fd = -1}
ccf = <value optimized out>
#6 ngx_master_process_cycle (cycle=0x21f1990) at src/os/unix/ngx_process_cycle.c:180
title = <value optimized out>
p = <value optimized out>
size = <value optimized out>
i = <value optimized out>
n = <value optimized out>
sigio = 0
set = {__val = {0 <repeats 16 times>}}
itv = {it_interval = {tv_sec = 0, tv_usec = 35114632}, it_value = {tv_sec = 0, tv_usec = 32146}}
live = <value optimized out>
delay = 0
ls = <value optimized out>
ccf = 0x21f2188
#7 0x0000000000406061 in main (argc=<value optimized out>, argv=<value optimized out>) at src/core/nginx.c:405
i = <value optimized out>
log = 0x687380
cycle = 0x217ce70
init_cycle = {conf_ctx = 0x0, pool = 0x217c240, log = 0x687380, new_log = {log_level = 0, file = 0x0, connection = 0, handler = 0, data = 0x0, action = 0x0}, files = 0x0,
free_connections = 0x0, free_connection_n = 0, reusable_connections_queue = {prev = 0x0, next = 0x0}, listening = {elts = 0x0, nelts = 0, size = 0, nalloc = 0, pool = 0x0},
pathes = {elts = 0x0, nelts = 0, size = 0, nalloc = 0, pool = 0x0}, open_files = {last = 0x0, part = {elts = 0x0, nelts = 0, next = 0x0}, size = 0, nalloc = 0, pool = 0x0},
shared_memory = {last = 0x0, part = {elts = 0x0, nelts = 0, next = 0x0}, size = 0, nalloc = 0, pool = 0x0}, connection_n = 0, files_n = 0, connections = 0x0, read_events = 0x0,
write_events = 0x0, old_cycle = 0x0, conf_file = {len = 21, data = 0x4606b6 "/etc/nginx/nginx.conf"}, conf_param = {len = 0, data = 0x0}, conf_prefix = {len = 11,
data = 0x4606b6 "/etc/nginx/nginx.conf"}, prefix = {len = 17, data = 0x4606a4 "/usr/local/nginx/"}, lock_file = {len = 0, data = 0x0}, hostname = {len = 0, data = 0x0}}
---Type <return> to continue, or q <return> to quit---
ccf = <value optimized out>