Comment #24 on issue 260 by [email protected]: memcached big bug
http://code.google.com/p/memcached/issues/detail?id=260
Happened again. Looks like it happens in the same place everytime.
(gdb) c
Continuing.
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0xb6cbfb40 (LWP 14753)]
do_slabs_alloc (id=1, size=size@entry=76) at slabs.c:241
241 p->slots = it->next;
(gdb) bt
#0 do_slabs_alloc (id=1, size=size@entry=76) at slabs.c:241
#1 slabs_alloc (size=size@entry=76, id=id@entry=1) at slabs.c:404
#2 0x08056269 in do_item_alloc (key=0xb48fffd0 "my_wiki:stats:pcache_hit_
0 3\r\n281\r\n1\r\n\n", nkey=24, flags=0, exptime=exptime@entry=0,
nbytes=nbytes@entry=5, cur_hv=cur_hv@entry=123356228) at items.c:150
#3 0x080535fa in do_add_delta (c=c@entry=0xb4b23b00,
key=key@entry=0xb4b25d95 "my_wiki:stats:pcache_hit", nkey=nkey@entry=24,
incr=true, delta=1,
buf=buf@entry=0xb6cbf0b4 "282", cas=cas@entry=0x0,
hv=hv@entry=123356228) at memcached.c:3102
#4 0x080586e5 in add_delta (c=c@entry=0xb4b23b00,
key=key@entry=0xb4b25d95 "my_wiki:stats:pcache_hit", nkey=nkey@entry=24,
incr=incr@entry=1, delta=1,
buf=buf@entry=0xb6cbf0b4 "282", cas=cas@entry=0x0) at thread.c:585
#5 0x0804da3d in process_arithmetic_command (c=c@entry=0xb4b23b00,
tokens=tokens@entry=0xb6cbf140, ntokens=ntokens@entry=4,
incr=incr@entry=true)
at memcached.c:3015
#6 0x080506cc in process_command (c=c@entry=0xb4b23b00, command=<optimized
out>) at memcached.c:3266
#7 0x08050f23 in try_read_command (c=0xb4b23b00) at memcached.c:3504
#8 drive_machine (c=0xb4b23b00) at memcached.c:3824
#9 event_handler (fd=30, which=2, arg=0xb4b23b00) at memcached.c:4065
#10 0xb76f73da in event_process_active_single_queue (activeq=<optimized
out>, base=<optimized out>) at event.c:1340
#11 event_process_active (base=<optimized out>) at event.c:1407
#12 event_base_loop (base=0x95cf598, flags=flags@entry=0) at event.c:1604
#13 0x08057cdf in worker_libevent (arg=0x95c573c) at thread.c:384
#14 0xb76cdaff in start_thread (arg=0xb6cbfb40) at pthread_create.c:308
#15 0xb760609e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:132
(gdb) generate-core-file
Saved corefile core.14751
(gdb) quit
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