Description:
When running the iuds2 systems test against falcon, the following crash occured 30 minutes after starting the test.
#0 0x00000033c040b002 in pthread_kill () from /lib64/libpthread.so.0
(gdb) bt
#0 0x00000033c040b002 in pthread_kill () from /lib64/libpthread.so.0
#1 0x0000000000660113 in handle_segfault (sig=4) at mysqld.cc:2313
#2 <signal handler called>
#3 0x00000033c040dc1d in raise () from /lib64/libpthread.so.0
#4 0x00000000008586bc in Error::error (string=<value optimized out>) at Error.cpp:92
#5 0x000000000083744d in Cache::ioThread (this=0x2aaaaacc2098) at Cache.cpp:984
#6 0x00000000008252b4 in Thread::thread (this=0x2aaaaacc25d0) at Thread.cpp:161
#7 0x0000000000825479 in Thread::thread (parameter=0xed3) at Thread.cpp:140
#8 0x00000033c04061b5 in start_thread () from /lib64/libpthread.so.0
#9 0x00000033bf8cd39d in clone () from /lib64/libc.so.6
#10 0x0000000000000000 in ?? ()
falcon_debug_mask=65535 shows this:
Stalled threads
Thread 0x136e7208 (1197381952) sleep=0, grant=0, locks=1, who 0, parent=(nil)
Pending Table::insert state 0 (1) syncObject 0x2aaaaad0b770
Thread 0x13709510 (1198180672) sleep=1, grant=0, locks=1, who 0, parent=(nil)
Pending Table::insert state 0 (1) syncObject 0x2aaaaad0b770
Thread 0x149365f8 (1203505472) sleep=1, grant=0, locks=2, who 0, parent=(nil)
Pending Table::insert state 0 (1) syn080109 16:14:07 - mysqld got signal 4;
How to repeat:
run iuds2 systems test with iuds2.tst showing Falcon only, and not innodb and myisam. In run_systest with optimal Falcon settings, please also modify start_server()
--mysqld="--falcon_record_memory_max=2GB"
--mysqld="--max_connections=500"
--mysqld="--falcon-lock-wait-timeout=1"
--mysqld=--skip-innodb --mysqld=--log-output=TABLE
--mysqld=--falcon_debug_mask=65535
Description: When running the iuds2 systems test against falcon, the following crash occured 30 minutes after starting the test. #0 0x00000033c040b002 in pthread_kill () from /lib64/libpthread.so.0 (gdb) bt #0 0x00000033c040b002 in pthread_kill () from /lib64/libpthread.so.0 #1 0x0000000000660113 in handle_segfault (sig=4) at mysqld.cc:2313 #2 <signal handler called> #3 0x00000033c040dc1d in raise () from /lib64/libpthread.so.0 #4 0x00000000008586bc in Error::error (string=<value optimized out>) at Error.cpp:92 #5 0x000000000083744d in Cache::ioThread (this=0x2aaaaacc2098) at Cache.cpp:984 #6 0x00000000008252b4 in Thread::thread (this=0x2aaaaacc25d0) at Thread.cpp:161 #7 0x0000000000825479 in Thread::thread (parameter=0xed3) at Thread.cpp:140 #8 0x00000033c04061b5 in start_thread () from /lib64/libpthread.so.0 #9 0x00000033bf8cd39d in clone () from /lib64/libc.so.6 #10 0x0000000000000000 in ?? () falcon_debug_mask=65535 shows this: Stalled threads Thread 0x136e7208 (1197381952) sleep=0, grant=0, locks=1, who 0, parent=(nil) Pending Table::insert state 0 (1) syncObject 0x2aaaaad0b770 Thread 0x13709510 (1198180672) sleep=1, grant=0, locks=1, who 0, parent=(nil) Pending Table::insert state 0 (1) syncObject 0x2aaaaad0b770 Thread 0x149365f8 (1203505472) sleep=1, grant=0, locks=2, who 0, parent=(nil) Pending Table::insert state 0 (1) syn080109 16:14:07 - mysqld got signal 4; How to repeat: run iuds2 systems test with iuds2.tst showing Falcon only, and not innodb and myisam. In run_systest with optimal Falcon settings, please also modify start_server() --mysqld="--falcon_record_memory_max=2GB" --mysqld="--max_connections=500" --mysqld="--falcon-lock-wait-timeout=1" --mysqld=--skip-innodb --mysqld=--log-output=TABLE --mysqld=--falcon_debug_mask=65535