Date: Mon, 12 Jul 1999 19:00:43 -0700 (PDT) From: nara@magewar.com To: freebsd-gnats-submit@freebsd.org Subject: kern/12617: thread library bug Message-ID: <19990713020043.97F1E14C4A@hub.freebsd.org>
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>Number: 12617 >Category: kern >Synopsis: thread library bug >Confidential: no >Severity: critical >Priority: high >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Jul 12 19:10:01 PDT 1999 >Closed-Date: >Last-Modified: >Originator: Jiho Kim >Release: 3.2 >Organization: Mari Telecom >Environment: FreeBSD arch9.magewar.com 3.2-RELEASE FreeBSD 3.2-RELEASE #0: Mon May 24 05:44:59 PDT 1999 root@arch4a.magewar.com:/usr/src/sys/compile/ARCHMAGE i386 >Description: i used gdb on mysql and find quite interesting result. here is log from gdb. arch9# gdb /usr/local/libexec/mysqld mysqld.core GNU gdb 4.18 Copyright 1998 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i386-unknown-freebsd"... (no debugging symbols found)... Core was generated by `mysqld'. Program terminated with signal 11, Segmentation fault. Reading symbols from /usr/lib/libc_r.so.3...(no debugging symbols found)... done. Reading symbols from /usr/lib/libcrypt.so.2...(no debugging symbols found)... done. Reading symbols from /usr/lib/libstdc++.so.2...(no debugging symbols found)... done. Reading symbols from /usr/lib/libm.so.2...(no debugging symbols found)...done. Reading symbols from /usr/lib/libc.so.3...(no debugging symbols found)...done. Reading symbols from /usr/libexec/ld-elf.so.1...(no debugging symbols found)... done. #0 0x281531f1 in _mutex_notify_priochange () from /usr/lib/libc_r.so.3 (gdb) up #1 0x28152323 in pthread_mutex_lock () from /usr/lib/libc_r.so.3 (gdb) up #2 0x28162aa9 in localtime_r () from /usr/lib/libc_r.so.3 (gdb) up #3 0x8064d18 in Field_timestamp::val_str () (gdb) up #4 0x804b88a in Item_field::str () (gdb) it seems to me that there is VERY SERIOUS problem in libc_r and thread library. it was fine in RELEASE-3.1, but, in RELEASE-3.2, it isn't. Jiho Kim nara@magewar.com http://archmage.magewar.com/archmage >How-To-Repeat: do heavy load on mysql >Fix: >Release-Note: >Audit-Trail: >Unformatted: To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the messagehelp
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