*** glibc detected *** /usr/sbin/mysqld: corrupted double-linked list: 0x00007fdb10058ff0 *** ======= Backtrace: ========= /lib/libc.so.6[0x7fde32eb19a8] /lib/libc.so.6[0x7fde32eb38e8] /lib/libc.so.6(cfree+0x76)[0x7fde32eb3ab6] /usr/sbin/mysqld(handle_slave_sql+0x8f3)[0x6e49e3] /lib/libpthread.so.0[0x7fde33a6efc7] /lib/libc.so.6(clone+0x6d)[0x7fde32f0d64d] ======= Memory map: ======== 00400000-00b21000 r-xp 00000000 09:01 158500 /usr/sbin/mysqld 00d20000-00d82000 rw-p 00720000 09:01 158500 /usr/sbin/mysqld 00d82000-182cd000 rw-p 00000000 00:00 0 [heap] 400ae000-400af000 ---p 00000000 00:00 0 400af000-401af000 rw-p 00000000 00:00 0 401f5000-401f6000 ---p 00000000 00:00 0 401f6000-402f6000 rw-p 00000000 00:00 0 402f6000-402f7000 ---p 00000000 00:00 0 402f7000-403f7000 rw-p 00000000 00:00 0 404dc000-404dd000 ---p 00000000 00:00 0 404dd000-40cdd000 rw-p 00000000 00:00 0 40cdd000-40cde000 ---p 00000000 00:00 0 40cde000-40dde000 rw-p 00000000 00:00 0 40dde000-40ddf000 ---p 00000000 00:00 0 40ddf000-40edf000 rw-p 00000000 00:00 0 40f60000-40f61000 ---p 00000000 00:00 0 40f61000-41761000 rw-p 00000000 00:00 0 41761000-41762000 ---p 00000000 00:00 0 41762000-41862000 rw-p 00000000 00:00 0 41862000-41863000 ---p 00000000 00:00 0 41863000-41963000 rw-p 00000000 00:00 0 41963000-41964000 ---p 00000000 00:00 0 41964000-41a64000 rw-p 00000000 00:00 0 41a64000-41a65000 ---p 00000000 00:00 0 41a65000-41b65000 rw-p 00000000 00:00 0 41b8c000-41b8d000 ---p 00000000 00:00 0 41b8d000-4238d000 rw-p 00000000 00:00 0 4238d000-4238e000 ---p 00000000 00:00 0 4238e000-42b8e000 rw-p 00000000 00:00 0 42b8e000-42b8f000 ---p 00000000 00:00 0 42b8f000-4338f000 rw-p 00000000 00:00 0 4338f000-43390000 ---p 00000000 00:00 0 43390000-43b90000 rw-p 00000000 00:00 0 43b90000-43b91000 ---p 00000000 00:00 0 43b91000-44391000 rw-p 00000000 00:00 0 44391000-44392000 ---p 00000000 00:00 0 44392000-44b92000 rw-p 00000000 00:00 0 44b92000-44b93000 ---p 00000000 00:00 0 44b93000-45393000 rw-p 00000000 00:00 0 45393000-45394000 ---p 00000000 00:00 0 45394000-45494000 rw-p 00000000 00:00 0 45494000-45495000 ---p 00000000 00:00 0 45495000-45595000 rw-p 00000000 00:00 0 45595000-45596000 ---p 00000000 00:00 0 45596000-45696000 rw-p 00000000 00:00 0 45696000-45697000 ---p 00000000 00:00 0 45697000-45797000 rw-p 00000000 00:00 0 45797000-45798000 ---p 00000000 00:00 0 45798000-45898000 rw-p 00000000 00:00 0 45898000-45899000 ---p 00000000 00:00 0 45899000-45999000 rw-p 00000000 00:00 0 45999000-4599a000 ---p 00000000 00:00 0 4599a000-45a9a000 rw-p 00000000 00:00 0 45a9a000-45a9b000 ---p 00000000 00:00 0 45a9b000-45b9b000 rw-p 00000000 00:00 0 45b9b000-45b9c000 ---p 00000000 00:00 0 45b9c000-45c9c000 rw-p 00000000 00:00 0 45c9c000-45c9d000 ---p 00000000 00:00 0 45c9d000-45d9d000 rw-p 00000000 00:00 0 45d9d000-45d9e000 ---p 00000000 00:00 0 45d9e000-45e9e000 rw-p 00000000 00:00 0 45e9e000-45e9f000 ---p 00000000 00:00 0 45e9f000-45f9f000 rw-p 00000000 00:00 0 45f9f000-45fa0000 ---p 00000000 00:00 0 45fa0000-460a0000 rw-p 00000000 00:00 0 460a0000-460a1000 ---p 00000000 00:00 0 460a1000-461a1000 rw-p 00000000 00:00 0 461a1000-461a2000 ---p 00000000 00:00 0 461a2000-462a2000 rw-p 00000000 00:00 0 462a2000-462a3000 ---p 00000000 00:00 0 462a3000-463a3000 rw-p 00000000 00:00 0 463a3000-463a4000 ---p 00000000 00:00 0 463a4000-464a4000 rw-p 00000000 00:00 0 464a4000-464a5000 ---p 00000000 00:00 0 464a5000-465a5000 rw-p 00000000 00:00 0 465a5000-465a6000 ---p 00000000 00:00 0 465a6000-466a6000 rw-p 00000000 00:00 0 466a6000-466a7000 ---p 00000000 00:00 0 466a7000-467a7000 rw-p 00000000 00:00 0 467a7000-467a8000 ---p 00000000 00:00 0 467a8000-468a8000 rw-p 00000000 00:00 0 468a8000-468a9000 ---p 00000000 00:00 0 468a9000-469a9000 rw-p 00000000 00:00 0 469a9000-469aa000 ---p 00000000 00:00 0 469aa000-46aaa000 rw-p 00000000 00:00 0 46aaa000-46aab000 ---p 00000000 00:00 0 46aab000-46bab000 rw-p 00000000 00:00 0 46bab000-46bac000 ---p 00000000 00:00 0 46bac000-46cac000 rw-p 00000000 00:00 0 46cac000-46cad000 ---p 00000000 00:00 0 46cad000-46dad000 rw-p 00000000 00:00 0 46dad000-46dae000 ---p 00000000 00:00 0 46dae000-46eae000 rw-p 00000000 00:00 0 46eae000-46eaf000 ---p 00000000 00:00 0 46eaf000-46faf000 rw-p 00000000 00:00 0 46faf000-46fb0000 ---p 00000000 00:00 0 46fb0000-470b0000 rw-p 00000000 00:00 0 470b0000-470b1000 ---p 00000000 00:00 0 470b1000-471b1000 rw-p 00000000 00:00 0 471b1000-471b2000 ---p 00000000 00:00 0 471b2000-472b2000 rw-p 00000000 00:00 0 472b2000-472b3000 ---p 00000000 00:00 0 472b3000-473b3000 rw-p 00000000 00:00 0 473b3000-473b4000 ---p 00000000 00:00 0 473b4000-474b4000 rw-p 00000000 00:00 0 474b4000-474b5000 ---p 00000000 00:00 0 474b5000-475b5000 rw-p 00000000 00:00 0 475b5000-475b6000 ---p 00000000 00:00 0 475b6000-476b6000 rw-p 00000000 00:00 0 476b6000-476b7000 ---p 00000000 00:00 0 476b7000-477b7000 rw-p 00000000 00:00 0 477b7000-477b8000 ---p 00000000 00:00 0 477b8000-478b8000 rw-p 00000000 00:00 0 478b8000-478b9000 ---p 00000000 00:00 0 478b9000-479b9000 rw-p 00000000 00:00 0 479b9000-479ba000 ---p 00000000 00:00 0 479ba000-47aba000 rw-p 00000000 00:00 0 47aba000-47abb000 ---p 00000000 00:00 0 47abb000-47bbb000 rw-p 00000000 00:00 0 47bbb000-47bbc000 ---p 00000000 00:00 0 47bbc000-47cbc000 rw-p 00000000 00:00 0 47cbc000-47cbd000 ---p 00000000 00:00 0 47cbd000-47dbd000 rw-p 00000000 00:00 0 47dbd000-47dbe000 ---p 00000000 00:00 0 47dbe000-47ebe000 rw-p 00000000 00:00 0 47ebe000-47ebf000 ---p 00000000 00:00 0 47ebf000-47fbf000 rw-p 00000000 00:00 0 47fbf000-47fc0000 ---p 00000000 00:00 0 47fc0000-480c0000 rw-p 00000000 00:00 0 7fdafc000000-7fdafc95d000 rw-p 00000000 00:00 0 7fdafc95d000-7fdb00000000 ---p 00000000 00:00 0 7fdb04000000-7fdb0498d000 rw-p 00000000 00:00 0 7fdb0498d000-7fdb08000000 ---p 00000000 00:00 0 7fdb089fb000-7fdb0b896000 rw-p 00000000 00:00 0 7fdb10000000-7fdb10a34000 rw-p 00000000 00:00 0 7fdb10a34000-7fdb14000000 ---p 00000000 00:00 0 7fdb166ce000-7fdb166de000 r-xp 00000000 09:01 262511 /lib/libresolv-2.7.so 7fdb166de000-7fdb168de000 ---p 00010000 09:01 262511 /lib/libresolv-2.7.so 7fdb168de000-7fdb168e0000 rw-p 00010000 09:01 262511 /lib/libresolv-2.7.so 7fdb168e0000-7fdb168e2000 rw-p 00000000 00:00 0 7fdb168e2000-7fdb168e6000 r-xp 00000000 09:01 262505 /lib/libnss_dns-2.7.so 7fdb168e6000-7fdb16ae5000 ---p 00004000 09:01 262505 /lib/libnss_dns-2.7.so 7fdb16ae5000-7fdb16ae7000 rw-p 00003000 09:01 262505 /lib/libnss_dns-2.7.so 7fdb16ae7000-7fdb16ae9000 r-xp 00000000 09:01 262415 /lib/libnss_mdns4_minimal.so.2 7fdb16ae9000-7fdb16ce8000 ---p 00002000 09:01 262415 /lib/libnss_mdns4_minimal.so.2 7fdb16ce8000-7fdb16ce9000 rw-p 00001000 09:01 262415 /lib/libnss_mdns4_minimal.so.2 7fdb16cee000-7fde32608000 rw-p 00000000 00:00 0 7fde32608000-7fde32612000 r-xp 00000000 09:01 262506 /lib/libnss_files-2.7.so 7fde32612000-7fde32812000 ---p 0000a000 09:01 262506 /lib/libnss_files-2.7.so 7fde32812000-7fde32814000 rw-p 0000a000 09:01 262506 /lib/libnss_files-2.7.so 7fde32814000-7fde3281d000 r-xp 00000000 09:01 262508 /lib/libnss_nis-2.7.so 7fde3281d000-7fde32a1d000 ---p 00009000 09:01 262508 /lib/libnss_nis-2.7.so 7fde32a1d000-7fde32a1f000 rw-p 00009000 09:01 262508 /lib/libnss_nis-2.7.so 7fde32a1f000-7fde32a26000 r-xp 00000000 09:01 262504 /lib/libnss_compat-2.7.so 7fde32a26000-7fde32c25000 ---p 00007000 09:01 262504 /lib/libnss_compat-2.7.so 7fde32c25000-7fde32c27000 rw-p 00006000 09:01 262504 /lib/libnss_compat-2.7.so 7fde32c27000-7fde32c3d000 r-xp 00000000 09:01 262433 /lib/libgcc_s.so.1 7fde32c3d000-7fde32e3d000 ---p 00016000 09:01 262433 /lib/libgcc_s.so.1 7fde32e3d000-7fde32e3e000 rw-p 00016000 09:01 262433 /lib/libgcc_s.so.1 7fde32e3e000-7fde32f88000 r-xp 00000000 09:01 262497 /lib/libc-2.7.so 7fde32f88000-7fde33187000 ---p 0014a000 09:01 262497 /lib/libc-2.7.so 7fde33187000-7fde3318a000 r--p 00149000 09:01 262497 /lib/libc-2.7.so 7fde3318a000-7fde3318c000 rw-p 0014c000 09:01 262497 /lib/libc-2.7.so 7fde3318c000-7fde33191000 rw-p 00000000 00:00 0 7fde33191000-7fde33213000 r-xp 00000000 09:01 262501 /lib/libm-2.7.so 7fde33213000-7fde33412000 ---p 00082000 09:01 262501 /lib/libm-2.7.so 7fde33412000-7fde33414000 rw-p 00081000 09:01 262501 /lib/libm-2.7.so 7fde33414000-7fde33429000 r-xp 00000000 09:01 262503 /lib/libnsl-2.7.so 7fde33429000-7fde33628000 ---p 00015000 09:01 262503 /lib/libnsl-2.7.so 7fde33628000-7fde3362a000 rw-p 00014000 09:01 262503 /lib/libnsl-2.7.so 7fde3362a000-7fde3362c000 rw-p 00000000 00:00 0 7fde3362c000-7fde33634000 r-xp 00000000 09:01 262499 /lib/libcrypt-2.7.so 7fde33634000-7fde33834000 ---p 00008000 09:01 262499 /lib/libcrypt-2.7.so 7fde33834000-7fde33836000 rw-p 00008000 09:01 262499 /lib/libcrypt-2.7.so 7fde33836000-7fde33864000 rw-p 00000000 00:00 0 7fde33864000-7fde33866000 r-xp 00000000 09:01 262500 /lib/libdl-2.7.so 7fde33866000-7fde33a66000 ---p 00002000 09:01 262500 /lib/libdl-2.7.so 7fde33a66000-7fde33a68000 rw-p 00002000 09:01 262500 /lib/libdl-2.7.so 7fde33a68000-7fde33a7e000 r-xp 00000000 09:01 262450 /lib/libpthread-2.7.so 7fde33a7e000-7fde33c7e000 ---p 00016000 09:01 262450 /lib/libpthread-2.7.so 7fde33c7e000-7fde33c80000 rw-p 00016000 09:01 262450 /lib/libpthread-2.7.so 7fde33c80000-7fde33c84000 rw-p 00000000 00:00 0 7fde33c84000-7fde33ca0000 r-xp 00000000 09:01 262461 /lib/ld-2.7.so 7fde33e12000-7fde33e97000 rw-p 00000000 00:00 0 7fde33e9b000-7fde33e9f000 rw-p 00000000 00:00 0 7fde33e9f000-7fde33ea1000 rw-p 0001b000 09:01 262461 /lib/ld-2.7.so 7fffaabcd000-7fffaabe2000 rw-p 00000000 00:00 0 [stack] 7fffaabff000-7fffaac00000 r-xp 00000000 00:00 0 [vdso] ffffffffff600000-ffffffffff601000 r--p 00000000 00:00 0 [vsyscall] 101119 17:41:09 - mysqld got signal 6 ; This could be because you hit a bug. It is also possible that this binary or one of the libraries it was linked against is corrupt, improperly built, or misconfigured. This error can also be caused by malfunctioning hardware. We will try our best to scrape up some info that will hopefully help diagnose the problem, but since we have already crashed, something is definitely wrong and this may fail. key_buffer_size=402653184 read_buffer_size=8388608 max_used_connections=51 max_threads=128 threads_connected=49 It is possible that mysqld could use up to key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 1705259 K bytes of memory Hope that's ok; if not, decrease some variables in the equation. thd: 0x16f9ce00 Attempting backtrace. You can use the following information to find out where mysqld died. If you see no messages after this, something went terribly wrong... stack_bottom = 0x45593aa8 thread_stack 0x100000 /usr/sbin/mysqld(my_print_stacktrace+0x2e)[0x85520e] /usr/sbin/mysqld(handle_segfault+0x322)[0x5c3422] /lib/libpthread.so.0[0x7fde33a76a80] /lib/libc.so.6(gsignal+0x35)[0x7fde32e6fed5] /lib/libc.so.6(abort+0x183)[0x7fde32e713f3] /lib/libc.so.6[0x7fde32eac408] /lib/libc.so.6[0x7fde32eb19a8] /lib/libc.so.6[0x7fde32eb38e8] /lib/libc.so.6(cfree+0x76)[0x7fde32eb3ab6] /usr/sbin/mysqld(handle_slave_sql+0x8f3)[0x6e49e3] /lib/libpthread.so.0[0x7fde33a6efc7] /lib/libc.so.6(clone+0x6d)[0x7fde32f0d64d] Trying to get some variables. Some pointers may be invalid and cause the dump to abort... thd->query at (nil) is an invalid pointer thd->thread_id=2 thd->killed=NOT_KILLED The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains information that should help you find out what is causing the crash. Writing a core file