Thread 15 (process 10882): #0 0x00110416 in __kernel_vsyscall () #1 0x00580b95 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #2 0x086037c7 in Synchronize::sleep (this=0xb706b170) at Synchronize.cpp:123 #3 0x0854fcfa in Cache::ioThread (this=0xb706ada8) at Cache.cpp:938 #4 0x0854ff05 in Cache::ioThread (arg=0xb706ada8) at Cache.cpp:759 #5 0x0853b07a in Thread::thread (this=0xb706b170) at Thread.cpp:167 #6 0x0853b29f in Thread::thread (parameter=0xb706b170) at Thread.cpp:146 #7 0x0057d32f in start_thread () from /lib/libpthread.so.0 #8 0x0049a27e in clone () from /lib/libc.so.6 Thread 14 (process 10883): #0 0x00110416 in __kernel_vsyscall () #1 0x00580b95 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #2 0x086037c7 in Synchronize::sleep (this=0xb706b250) at Synchronize.cpp:123 #3 0x0854fcfa in Cache::ioThread (this=0xb706ada8) at Cache.cpp:938 #4 0x0854ff05 in Cache::ioThread (arg=0xb706ada8) at Cache.cpp:759 #5 0x0853b07a in Thread::thread (this=0xb706b250) at Thread.cpp:167 #6 0x0853b29f in Thread::thread (parameter=0xb706b250) at Thread.cpp:146 #7 0x0057d32f in start_thread () from /lib/libpthread.so.0 #8 0x0049a27e in clone () from /lib/libc.so.6 Thread 13 (process 10884): #0 0x00110416 in __kernel_vsyscall () #1 0x00580ec2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #2 0x08603664 in Synchronize::sleep (this=0xb7073f90, milliseconds=1000, callersMutex=0x0) at Synchronize.cpp:183 #3 0x0860345f in Synchronize::sleep (this=0xb7073f90, milliseconds=1000) at Synchronize.cpp:136 #4 0x085669ab in Database::ticker (this=0xb726b640) at Database.cpp:1880 #5 0x085669e1 in Database::ticker (database=0xb726b640) at Database.cpp:1869 #6 0x0853b07a in Thread::thread (this=0xb7073f90) at Thread.cpp:167 #7 0x0853b29f in Thread::thread (parameter=0xb7073f90) at Thread.cpp:146 #8 0x0057d32f in start_thread () from /lib/libpthread.so.0 #9 0x0049a27e in clone () from /lib/libc.so.6 Thread 12 (process 10885): #0 0x00110416 in __kernel_vsyscall () #1 0x00580b95 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #2 0x086037c7 in Synchronize::sleep (this=0xb7074070) at Synchronize.cpp:123 #3 0x085ae3c8 in PageWriter::writer (this=0xb706c618) at PageWriter.cpp:171 #4 0x085ae4f7 in PageWriter::writer (arg=0xb706c618) at PageWriter.cpp:160 #5 0x0853b07a in Thread::thread (this=0xb7074070) at Thread.cpp:167 #6 0x0853b29f in Thread::thread (parameter=0xb7074070) at Thread.cpp:146 #7 0x0057d32f in start_thread () from /lib/libpthread.so.0 #8 0x0049a27e in clone () from /lib/libc.so.6 Thread 11 (process 10880): #0 0x00110416 in __kernel_vsyscall () #1 0x004926e1 in select () from /lib/libc.so.6 #2 0x082ad589 in handle_connections_sockets (arg=0x0) at mysqld.cc:5089 #3 0x082b104c in main (argc=35, argv=0xbf861e84) at mysqld.cc:4597 Thread 10 (process 10887): #0 0x00110416 in __kernel_vsyscall () #1 0x00580b95 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #2 0x086037c7 in Synchronize::sleep (this=0xb7074550) at Synchronize.cpp:123 #3 0x08617337 in Gopher::gopherThread (this=0xb706c5c8) at Gopher.cpp:58 #4 0x0861750b in Gopher::gopherThread (arg=0xb706c5c8) at Gopher.cpp:37 #5 0x0853b07a in Thread::thread (this=0xb7074550) at Thread.cpp:167 #6 0x0853b29f in Thread::thread (parameter=0xb7074550) at Thread.cpp:146 #7 0x0057d32f in start_thread () from /lib/libpthread.so.0 #8 0x0049a27e in clone () from /lib/libc.so.6 Thread 9 (process 10888): #0 0x00110416 in __kernel_vsyscall () #1 0x00580b95 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #2 0x086037c7 in Synchronize::sleep (this=0xb7074630) at Synchronize.cpp:123 #3 0x08617337 in Gopher::gopherThread (this=0xb706c5a0) at Gopher.cpp:58 #4 0x0861750b in Gopher::gopherThread (arg=0xb706c5a0) at Gopher.cpp:37 #5 0x0853b07a in Thread::thread (this=0xb7074630) at Thread.cpp:167 #6 0x0853b29f in Thread::thread (parameter=0xb7074630) at Thread.cpp:146 #7 0x0057d32f in start_thread () from /lib/libpthread.so.0 #8 0x0049a27e in clone () from /lib/libc.so.6 Thread 8 (process 10889): #0 0x00110416 in __kernel_vsyscall () #1 0x00580b95 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #2 0x086037c7 in Synchronize::sleep (this=0xb7074710) at Synchronize.cpp:123 #3 0x08617337 in Gopher::gopherThread (this=0xb706c578) at Gopher.cpp:58 #4 0x0861750b in Gopher::gopherThread (arg=0xb706c578) at Gopher.cpp:37 #5 0x0853b07a in Thread::thread (this=0xb7074710) at Thread.cpp:167 #6 0x0853b29f in Thread::thread (parameter=0xb7074710) at Thread.cpp:146 #7 0x0057d32f in start_thread () from /lib/libpthread.so.0 #8 0x0049a27e in clone () from /lib/libc.so.6 Thread 7 (process 10890): #0 0x00110416 in __kernel_vsyscall () #1 0x00580b95 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #2 0x086037c7 in Synchronize::sleep (this=0xb70747f0) at Synchronize.cpp:123 #3 0x08617337 in Gopher::gopherThread (this=0xb706c550) at Gopher.cpp:58 #4 0x0861750b in Gopher::gopherThread (arg=0xb706c550) at Gopher.cpp:37 #5 0x0853b07a in Thread::thread (this=0xb70747f0) at Thread.cpp:167 #6 0x0853b29f in Thread::thread (parameter=0xb70747f0) at Thread.cpp:146 #7 0x0057d32f in start_thread () from /lib/libpthread.so.0 #8 0x0049a27e in clone () from /lib/libc.so.6 Thread 6 (process 10891): #0 0x00110416 in __kernel_vsyscall () #1 0x00580b95 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #2 0x086037c7 in Synchronize::sleep (this=0xb7097bc0) at Synchronize.cpp:123 #3 0x085c661b in Scheduler::schedule (this=0xb7073320) at Scheduler.cpp:151 #4 0x085c666d in Scheduler::schedule (lpParameter=0xb7073320) at Scheduler.cpp:158 #5 0x0853b07a in Thread::thread (this=0xb7097bc0) at Thread.cpp:167 #6 0x0853b29f in Thread::thread (parameter=0xb7097bc0) at Thread.cpp:146 #7 0x0057d32f in start_thread () from /lib/libpthread.so.0 #8 0x0049a27e in clone () from /lib/libc.so.6 Thread 5 (process 10892): #0 0x00110416 in __kernel_vsyscall () #1 0x00580ec2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #2 0x08603664 in Synchronize::sleep (this=0xb709aea0, milliseconds=9000, callersMutex=0x0) at Synchronize.cpp:183 #3 0x0860345f in Synchronize::sleep (this=0xb709aea0, milliseconds=9000) at Synchronize.cpp:136 #4 0x085c6604 in Scheduler::schedule (this=0xb70733b8) at Scheduler.cpp:149 #5 0x085c666d in Scheduler::schedule (lpParameter=0xb70733b8) at Scheduler.cpp:158 #6 0x0853b07a in Thread::thread (this=0xb709aea0) at Thread.cpp:167 #7 0x0853b29f in Thread::thread (parameter=0xb709aea0) at Thread.cpp:146 #8 0x0057d32f in start_thread () from /lib/libpthread.so.0 #9 0x0049a27e in clone () from /lib/libc.so.6 Thread 4 (process 10893): #0 0x00110416 in __kernel_vsyscall () #1 0x00580ec2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #2 0x087c14fa in safe_cond_timedwait (cond=0x9460560, mp=0x9460500, abstime=0xad08134c, file=0x89a764e "ma_checkpoint.c", line=705) at thr_mutex.c:289 #3 0x0877c1d9 in ma_checkpoint_background (arg=0x1e) at ma_checkpoint.c:705 #4 0x0057d32f in start_thread () from /lib/libpthread.so.0 #5 0x0049a27e in clone () from /lib/libc.so.6 Thread 3 (process 10894): #0 0x00110416 in __kernel_vsyscall () #1 0x00584e30 in sigwait () from /lib/libpthread.so.0 #2 0x082abda5 in signal_hand (arg=0x0) at mysqld.cc:2859 #3 0x0057d32f in start_thread () from /lib/libpthread.so.0 #4 0x0049a27e in clone () from /lib/libc.so.6 Thread 2 (process 10912): #0 0x00110416 in __kernel_vsyscall () #1 0x00492a5f in fdatasync () from /lib/libc.so.6 #2 0x087b0ba3 in my_sync (fd=35, my_flags=0) at my_sync.c:62 #3 0x083f12b2 in sync_ddl_log () at sql_table.cc:982 #4 0x083f135a in write_execute_ddl_log_entry (first_entry=2, complete=false, active_entry=0xad2d2998) at sql_table.cc:862 #5 0x081defc9 in write_log_rename_frm (lpt=0xad2d29f8) at sql_partition.cc:5521 #6 0x081e0546 in fast_alter_partition_table (thd=0x9b08878, table=0x9b5b8d0, alter_info=0xad2d3b6c, create_info=0xad2d3688, table_list=0x9b64400, db=0x9b64600 "test", table_name=0x9b643d8 "t1_test", fast_alter_partition=1) at sql_partition.cc:6232 #7 0x083f58f9 in mysql_alter_table (thd=0x9b08878, new_db=0x9b64600 "test", new_name=0x9b643d8 "t1_test", create_info=0xad2d3688, table_list=0x9b64400, alter_info=0xad2d3b6c, order_num=0, order=0x0, ignore=false) at sql_table.cc:6741 #8 0x082beb8e in mysql_execute_command (thd=0x9b08878) at sql_parse.cc:2625 #9 0x082c63a5 in mysql_parse (thd=0x9b08878, inBuf=0x9b640c0 "alter table t1_test add partition (partition `p08` values less than (200000))", length=77, found_semicolon=0xad2d4270) at sql_parse.cc:5800 #10 0x082c6e19 in dispatch_command (command=COM_QUERY, thd=0x9b08878, packet=0x9b55539 "alter table t1_test add partition (partition `p08` values less than (200000))", packet_length=77) at sql_parse.cc:1050 #11 0x082c80e3 in do_command (thd=0x9b08878) at sql_parse.cc:723 #12 0x082b5def in handle_one_connection (arg=0x9b08878) at sql_connect.cc:1153 #13 0x0057d32f in start_thread () from /lib/libpthread.so.0 #14 0x0049a27e in clone () from /lib/libc.so.6 Thread 1 (process 10886): #0 0x00110416 in __kernel_vsyscall () #1 0x00581c78 in pthread_kill () from /lib/libpthread.so.0 #2 0x087bcaa3 in my_write_core (sig=11) at stacktrace.c:307 #3 0x082acd17 in handle_segfault (sig=11) at mysqld.cc:2654 #4 #5 0x0862331c in RecoveryObjects::findRecoveryObject (this=0xb70b2000, objectNumber=2, tableSpaceId=0) at RecoveryObjects.cpp:103 #6 0x08623375 in RecoveryObjects::isObjectActive (this=0xb70b2000, objectNumber=2, tableSpaceId=0) at RecoveryObjects.cpp:90 #7 0x085d6208 in SerialLog::isIndexActive (this=0xb73c9210, indexId=2, tableSpaceId=0) at SerialLog.cpp:1041 #8 0x085f6746 in SRLUpdateIndex::execute (this=0xb2541130) at SRLUpdateIndex.cpp:163 #9 0x085f68b0 in SRLUpdateIndex::commit (this=0xb2541130) at SRLUpdateIndex.cpp:157 #10 0x085dc844 in SerialLogTransaction::commit (this=0xb70f4540) at SerialLogTransaction.cpp:92 #11 0x085dc93b in SerialLogTransaction::doAction (this=0xb70f4540) at SerialLogTransaction.cpp:158 #12 0x086173bb in Gopher::gopherThread (this=0xb706c5f0) at Gopher.cpp:71 #13 0x0861750b in Gopher::gopherThread (arg=0xb706c5f0) at Gopher.cpp:37 #14 0x0853b07a in Thread::thread (this=0xb7074470) at Thread.cpp:167 #15 0x0853b29f in Thread::thread (parameter=0xb7074470) at Thread.cpp:146 #16 0x0057d32f in start_thread () from /lib/libpthread.so.0 #17 0x0049a27e in clone () from /lib/libc.so.6