(gdb) continue

Continuing.

Thread 1 "fbserver" received signal SIGTERM, Terminated.

0x00007f4090f4374d in poll () at ../sysdeps/unix/syscall-template.S:84

(gdb) bt

#0  0x00007f4090f4374d in poll () at ../sysdeps/unix/syscall-template.S:84

#1  0x00000000006d98e5 in Select::select (timeout=<optimized out>, 

    this=<optimized out>) at ../src/remote/inet.cpp:381

#2  select_wait (selct=<optimized out>, main_port=<optimized out>)

    at ../src/remote/inet.cpp:2461

#3  select_multi (main_port=0x7f4090c16bd0, buffer=0x7f408fabb000 "", bufsize=8192, 

    length=0x7fffc77b11ce, port=...) at ../src/remote/inet.cpp:2236

#4  0x00000000004152d0 in SRVR_multi_thread (main_port=0x7f4090c16bd0, 

    flags=<optimized out>) at ../src/remote/server.cpp:636

#5  0x000000000040d72c in server_main (argc=<optimized out>, argv=<optimized out>)

    at ../src/remote/inet_server.cpp:430

#6  0x00007f4090e68830 in __libc_start_main (main=0x4198c0 <main(int, char**)>, 

    argc=1, argv=0x7fffc77b2838, init=<optimized out>, fini=<optimized out>, 

    rtld_fini=<optimized out>, stack_end=0x7fffc77b2828) at ../csu/libc-start.c:291

#7  0x000000000040cef9 in _start ()

(gdb) thread apply all bt

Thread 7 (Thread 0x7f408dcf5700 (LWP 20963)):

#0  __lll_lock_wait () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135

#1  0x00007f409121be42 in __GI___pthread_mutex_lock (mutex=0x7f408f8aa830)

    at ../nptl/pthread_mutex_lock.c:115

#2  0x00000000004f1768 in Firebird::Mutex::enter (this=<optimized out>)

    at ../src/include/../common/classes/locks.h:170

#3  Jrd::Database::Sync::lock (ast=<optimized out>, this=<optimized out>)

    at ../src/jrd/../jrd/../jrd/Database.h:163

#4  Jrd::Database::Checkout::~Checkout (this=<optimized out>, 

    __in_chrg=<optimized out>) at ../src/jrd/../jrd/../jrd/Database.h:301

#5  cache_writer (arg=<optimized out>) at ../src/jrd/cch.cpp:4274

#6  0x000000000042ae92 in (anonymous namespace)::ThreadArgs::run (

    this=<optimized out>) at ../src/jrd/ThreadStart.cpp:128

#7  (anonymous namespace)::threadStart (arg=0x7f408f8aaf90)

    at ../src/jrd/ThreadStart.cpp:139

#8  0x00007f40912196ba in start_thread (arg=0x7f408dcf5700) at pthread_create.c:333

#9  0x00007f4090f4f41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f40877fe700 (LWP 20962)):

#0  0x00007f4091221a15 in futex_abstimed_wait_cancelable (private=0, 

    abstime=0x7f40877fdb40, expected=0, futex_word=0x7f408ed62268)

    at ../sysdeps/unix/sysv/linux/futex-internal.h:205

#1  do_futex_wait (sem=sem@entry=0x7f408ed62268, 

    abstime=abstime@entry=0x7f40877fdb40) at sem_waitcommon.c:111

#2  0x00007f4091221adf in __new_sem_wait_slow (sem=0x7f408ed62268, 

---Type <return> to continue, or q <return> to quit---

    abstime=0x7f40877fdb40) at sem_waitcommon.c:181

#3  0x00007f4091221b92 in sem_timedwait (sem=<optimized out>, 

    abstime=<optimized out>) at sem_timedwait.c:36

#4  0x000000000073bb20 in Firebird::SignalSafeSemaphore::tryEnter (

    this=0x7f408ed62268, seconds=<optimized out>, milliseconds=<optimized out>)

    at ../src/common/classes/semaphore.cpp:171

#5  0x000000000060c199 in garbage_collector (arg=<optimized out>)

    at ../src/jrd/vio.cpp:4361

#6  0x000000000042ae92 in (anonymous namespace)::ThreadArgs::run (

    this=<optimized out>) at ../src/jrd/ThreadStart.cpp:128

#7  (anonymous namespace)::threadStart (arg=0x7f408fab4ae0)

    at ../src/jrd/ThreadStart.cpp:139

#8  0x00007f40912196ba in start_thread (arg=0x7f40877fe700) at pthread_create.c:333

#9  0x00007f4090f4f41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f408cce3700 (LWP 20961)):

#0  0x00007f4091221a15 in futex_abstimed_wait_cancelable (private=0, 

    abstime=0x7f408cce2bf0, expected=0, futex_word=0x7f408ed62208)

    at ../sysdeps/unix/sysv/linux/futex-internal.h:205

#1  do_futex_wait (sem=sem@entry=0x7f408ed62208, 

    abstime=abstime@entry=0x7f408cce2bf0) at sem_waitcommon.c:111

#2  0x00007f4091221adf in __new_sem_wait_slow (sem=0x7f408ed62208, 

    abstime=0x7f408cce2bf0) at sem_waitcommon.c:181

#3  0x00007f4091221b92 in sem_timedwait (sem=<optimized out>, 

    abstime=<optimized out>) at sem_timedwait.c:36

#4  0x000000000073bb20 in Firebird::SignalSafeSemaphore::tryEnter (

    this=0x7f408ed62208, seconds=<optimized out>, milliseconds=<optimized out>)

    at ../src/common/classes/semaphore.cpp:171

#5  0x00000000004f174b in cache_writer (arg=<optimized out>)

    at ../src/jrd/cch.cpp:4274

#6  0x000000000042ae92 in (anonymous namespace)::ThreadArgs::run (

    this=<optimized out>) at ../src/jrd/ThreadStart.cpp:128

#7  (anonymous namespace)::threadStart (arg=0x7f408fab4ae0)

    at ../src/jrd/ThreadStart.cpp:139

#8  0x00007f40912196ba in start_thread (arg=0x7f408cce3700) at pthread_create.c:333

#9  0x00007f4090f4f41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f408e556700 (LWP 20952)):

#0  release_bdb (tdbb=0x7f408e5550f0, bdb=0x7f408ec1a4a0, repost=<optimized out>, 

    downgrade_latch=false, rel_mark_latch=true) at ../src/jrd/cch.cpp:6060

#1  0x00000000004efc35 in CCH_release (tdbb=0x7f408e5550f0, window=0x7f408e554830, 

    release_tail=false) at ../src/jrd/cch.cpp:2161

#2  0x00000000005a6d71 in CCH_RELEASE (window=<optimized out>, tdbb=<optimized out>)

    at ../src/jrd/../jrd/cch_proto.h:101

#3  PAG_release_page (tdbb=0x7f408e5550f0, number=..., prior_page=...)

    at ../src/jrd/pag.cpp:1819

#4  0x000000000044bbac in delete_tail (length=<optimized out>, 

    page_space=<optimized out>, header=<optimized out>, tdbb=<optimized out>)

    at ../temp/superserver/jrd/dpm.cpp:2514

#5  DPM_delete_relation_pages (tdbb=0x7f408e5550f0, relation=0x7f408ebca7d8, 

    relPages=0x7f408ebca988) at ../temp/superserver/jrd/dpm.cpp:1043

#6  0x000000000044be4b in DPM_delete_relation (tdbb=0x7f408e5550f0, 

    relation=0x7f408ebca7d8) at ../temp/superserver/jrd/dpm.cpp:969

#7  0x0000000000518491 in delete_relation (tdbb=0x7f408e5550f0, 

    phase=<optimized out>, work=0x7f408ea82100, transaction=0x7f408eb6b7c0)

    at ../temp/superserver/jrd/dfw.cpp:5179

#8  0x000000000050c5e9 in DFW_perform_work (tdbb=0x7f408e5550f0, 

    transaction=0x7f408eb6b7c0) at ../temp/superserver/jrd/dfw.cpp:1197

#9  0x00000000005f3d6b in TRA_commit (tdbb=0x7f408e5550f0, 

    transaction=0x7f408eb6b7c0, retaining_flag=false) at ../src/jrd/tra.cpp:496

#10 0x0000000000569b3d in commit (tdbb=0x7f408e5550f0, transaction=<optimized out>, 

    retaining_flag=false) at ../src/jrd/jrd.cpp:4615

#11 0x0000000000569bd6 in JRD_commit_transaction (tdbb=0x7f408e5550f0, 

    transaction=0x7f408f8ab170) at ../src/jrd/jrd.cpp:7057

#12 0x0000000000571c21 in jrd8_commit_transaction (user_status=0x7f408e5559a0, 

    tra_handle=0x7f408f8ab170) at ../src/jrd/jrd.cpp:1811

#13 0x0000000000436cdb in isc_commit_transaction (user_status=<optimized out>, 

    tra_handle=0x7f4090c0f4a8) at ../src/jrd/why.cpp:1749

#14 0x0000000000410487 in rem_port::end_transaction (this=0x7f408fab1800, 

    operation=op_commit, release=<optimized out>, sendL=0x7f408faaff88)

    at ../src/remote/server.cpp:2086

#15 0x00000000004173e4 in process_packet (port=0x7f408fab1800, sendL=0x7f408faaff88, 

    receive=0x7f408fab0398, result=0x7f408e555ea8) at ../src/remote/server.cpp:3441

#16 0x00000000004183a7 in loopThread () at ../src/remote/server.cpp:5268

#17 0x000000000042ae92 in (anonymous namespace)::ThreadArgs::run (

    this=<optimized out>) at ../src/jrd/ThreadStart.cpp:128

#18 (anonymous namespace)::threadStart (arg=0x7f4090c0f770)

    at ../src/jrd/ThreadStart.cpp:139

#19 0x00007f40912196ba in start_thread (arg=0x7f408e556700) at pthread_create.c:333

#20 0x00007f4090f4f41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f408f8a9700 (LWP 20402)):

#0  0x00007f4091221a15 in futex_abstimed_wait_cancelable (private=0, 

    abstime=0x7f408f8a8e60, expected=0, futex_word=0x7f408f8ab038)

    at ../sysdeps/unix/sysv/linux/futex-internal.h:205

#1  do_futex_wait (sem=sem@entry=0x7f408f8ab038, 

    abstime=abstime@entry=0x7f408f8a8e60) at sem_waitcommon.c:111

#2  0x00007f4091221adf in __new_sem_wait_slow (sem=0x7f408f8ab038, 

---Type <return> to continue, or q <return> to quit---

    abstime=0x7f408f8a8e60) at sem_waitcommon.c:181

#3  0x00007f4091221b92 in sem_timedwait (sem=<optimized out>, 

    abstime=<optimized out>) at sem_timedwait.c:36

#4  0x000000000073bb20 in Firebird::SignalSafeSemaphore::tryEnter (

    this=0x7f408f8ab038, seconds=<optimized out>, milliseconds=<optimized out>)

    at ../src/common/classes/semaphore.cpp:171

#5  0x0000000000635dd1 in Jrd::ConfigStorage::touchThreadFunc (this=0x7f4090c11250)

    at ../src/jrd/trace/TraceConfigStorage.cpp:352

#6  0x0000000000635ed9 in Jrd::ConfigStorage::touchThread (arg=0x7f408f8ab038)

    at ../src/jrd/trace/TraceConfigStorage.cpp:338

#7  0x000000000042ae92 in (anonymous namespace)::ThreadArgs::run (

    this=<optimized out>) at ../src/jrd/ThreadStart.cpp:128

#8  (anonymous namespace)::threadStart (arg=0x7f408f8ba110)

    at ../src/jrd/ThreadStart.cpp:139

#9  0x00007f40912196ba in start_thread (arg=0x7f408f8a9700) at pthread_create.c:333

#10 0x00007f4090f4f41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109