https://issues.apache.org/bugzilla/show_bug.cgi?id=56314
Bug ID: 56314
Summary: exiting from MPM-worker child caused assert in
apr_reslist.c:161
Product: Apache httpd-2
Version: 2.4.7
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P2
Component: mpm_worker
Assignee: [email protected]
Reporter: [email protected]
This issue is similar to Bug 43857 - exiting prefork child doesn't clear
request pool. The bug 43857 is related to prefork child, this is related to
mpm-worker child.
stack trace:
Thread 1 (Thread 0x7fafad5e0740 (LWP 14219)):
#0 0x00007fafac77b425 in raise () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1 0x00007fafac77eb8b in abort () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2 0x00007fafac7740ee in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#3 0x00007fafac774192 in __assert_fail () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#4 0x00007fafacf7ce3f in reslist_cleanup (data_=0x7fafae9e8bd0) at
misc/apr_reslist.c:161
rv = 0
rl = 0x7fafae9e8bd0
res = 0x7fffb9044920
__PRETTY_FUNCTION__ = "reslist_cleanup"
#5 0x00007fafacd40c30 in run_cleanups (cref=0x7fafae9e8b78) at
memory/unix/apr_pools.c:2352
c = 0x7fafae9e8d10
#6 0x00007fafacd3fabf in apr_pool_destroy (pool=0x7fafae9e8b58) at
memory/unix/apr_pools.c:814
active = 0x7fafaeaed640
allocator = 0x7fafae8be010
#7 0x00007fafacd3faa2 in apr_pool_destroy (pool=0x7fafae95a268) at
memory/unix/apr_pools.c:811
active = 0x7fafae95a268
allocator = 0x7fafaeb8aa08
#8 0x00007fafad67895e in clean_child_exit (code=0) at worker.c:430
No locals.
#9 0x00007fafad67ad59 in child_main (child_num_arg=11) at worker.c:1367
threads = 0x7fafaecd9cf0
rv = 1
ts = 0x7fafae95be10
thread_attr = 0x7fafae95be30
start_thread_id = 0x7fafae95be90
#10 0x00007fafad67ae58 in make_child (s=0x7fafae8ed4c0, slot=11) at
worker.c:1418
pid = 0
#11 0x00007fafad67b59f in perform_idle_server_maintenance () at worker.c:1626
i = 0
j = 25
idle_thread_count = 73
ws = 0x7fafad485f60
ps = 0x7fafad44e1e0
free_length = 1
totally_free_length = 1
free_slots = {11, 2, 3, 4, 5, 6, 1, 2, 3, 4, -1388432843, 32687, 134,
0, 6, 0, 5952, 0, -1386065568, 32687, -1190900960, 32767, -1395325068, 32687,
1395745853, 0, -1400690833, 32687, 0, 0, -1395323367, 32687}
last_non_dead = 14
total_non_dead = 15
active_thread_count = 155
#12 0x00007fafad67b916 in server_main_loop (remaining_children_to_start=0) at
worker.c:1752
old_gen = -1365807208
child_slot = 0
exitwhy = 6
status = 6
processed_status = 0
pid = {pid = -1, in = 0x7fafae976f98, out = 0x0, err =
0xffffffffffffffff}
i = 25
#13 0x00007fafad67bd69 in worker_run (_pconf=0x7fafae8c4138,
plog=0x7fafae8f1378, s=0x7fafae8ed4c0) at worker.c:1823
remaining_children_to_start = 0
rv = 0
#14 0x00007fafad62eebb in ap_run_mpm (pconf=0x7fafae8c4138,
plog=0x7fafae8f1378, s=0x7fafae8ed4c0) at mpm_common.c:98
pHook = 0x7fafae963600
n = 0
rv = -1
#15 0x00007fafad62717c in main (argc=11, argv=0x7fffb9044f28) at main.c:777
c = 68 'D'
showcompile = 0
showdirectives = 0
confname = 0x7fafad67fe73 "conf/httpd.conf"
def_server_root = 0x7fafad67fe83 "/opt/bg/deploy/apache24"
temp_error_log = 0x0
error = 0x0
process = 0x7fafae8c2218
pconf = 0x7fafae8c4138
plog = 0x7fafae8f1378
ptemp = 0x7fafae8ef348
pcommands = 0x7fafae8e6248
opt = 0x7fafae8e6338
rv = 0
mod = 0x7fafad89d800
opt_arg = 0x7fffb9046c54 "env_prod"
signal_server = 0x7fafad6625aa
At apr_reslist.c:161
#4 0x00007fafacf7ce3f in reslist_cleanup (data_=0x7fafae9e8bd0)
at misc/apr_reslist.c:161=
assert(rl->ntotal == 0);
(gdb) print rl->ntotal
$1 = 9
(gdb) print rl->nidle
$2 = 0
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