ats-6.2.1 state_cache_open_write failed

[ling-zhou]

==================== coredump ===================
(gdb) bt
#0 0x00000000005a404a in HttpSM::state_cache_open_write (this=0x2b6875b12a00,
event=1109, data=0x2b6892290ba0) at HttpSM.cc:2500
#1 0x00000000005b3a04 in HttpSM::main_handler (this=0x2b6875b12a00,
event=1109, data=0x2b6892290ba0) at HttpSM.cc:2658
#2 0x000000000074ef50 in handleEvent (data=0x2b6892290ba0, event=1109,
this=) at I_Continuation.h:153
#3 EThread::process_event (this=this@entry=0x2b686b40d5c0, e=0x2b6892290ba0,
calling_code=1109) at UnixEThread.cc:148
#4 0x000000000074fb53 in EThread::execute (this=0x2b686b40d5c0)
at UnixEThread.cc:202
#5 0x000000000074ea52 in spawn_thread_internal (a=0x2b686990abf0)
at Thread.cc:86
#6 0x00002b6866d4edc5 in start_thread () from /lib64/libpthread.so.0
#7 0x00002b6867ad273d in clone () from /lib64/libc.so.6
(gdb) f 0
#0 0x00000000005a404a in HttpSM::state_cache_open_write (this=0x2b6875b12a00,
event=1109, data=0x2b6892290ba0) at HttpSM.cc:2500
2500 in HttpSM.cc
(gdb) p cache_sm.cache_read_vc
$1 = (CacheVConnection *) 0x0
(gdb) bt ful
#0 0x00000000005a404a in HttpSM::state_cache_open_write (this=0x2b6875b12a00,
event=1109, data=0x2b6892290ba0) at HttpSM.cc:2500
FUNCTION = "state_cache_open_write"
#1 0x00000000005b3a04 in HttpSM::main_handler (this=0x2b6875b12a00,
event=1109, data=0x2b6892290ba0) at HttpSM.cc:2658
jump_point =
FUNCTION = "main_handler"
vc_entry =
#2 0x000000000074ef50 in handleEvent (data=0x2b6892290ba0, event=1109,
this=) at I_Continuation.h:153
No locals.
#3 EThread::process_event (this=this@entry=0x2b686b40d5c0, e=0x2b6892290ba0,
calling_code=1109) at UnixEThread.cc:148
c_temp =
lock = {m = {m_ptr = 0x2b6892288af0}, lock_acquired = true}
#4 0x000000000074fb53 in EThread::execute (this=0x2b686b40d5c0)
at UnixEThread.cc:202
done_one =
e =
NegativeQueue =
next_time = 1493914519005946887
#5 0x000000000074ea52 in spawn_thread_internal (a=0x2b686990abf0)
at Thread.cc:86
---Type to continue, or q to quit---
p = 0x2b686990abf0
#6 0x00002b6866d4edc5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#7 0x00002b6867ad273d in clone () from /lib64/libc.so.6
No symbol table info available.

======================== HttpSM.cc ======================
2495 // INTENTIONAL FALL THROUGH
2496 // Allow for stale object to be served
2497 case CACHE_EVENT_OPEN_READ:
2498 // The write vector was locked and the cache_sm retried
2499 // and got the read vector again.
2500 cache_sm.cache_read_vc->get_http_info(&t_state.cache_info.object_read);
2501 // ToDo: Should support other levels of cache hits here, but the cache does not support it (yet)
2502 if (cache_sm.cache_read_vc->is_ram_cache_hit()) {
2503 t_state.cache_info.hit_miss_code = SQUID_HIT_RAM;
2504 } else {
2505 t_state.cache_info.hit_miss_code = SQUID_HIT_DISK;
2506 }

[scw00]

Could you please attach the history in HttpSM ?
p history

[ling-zhou]

the coredump file is gone long long ago.

[bryancall]

If this is still an issue please reopen.