From owner-freebsd-current@freebsd.org Sun Mar 13 16:16:21 2016 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id BC4E2ACF913 for ; Sun, 13 Mar 2016 16:16:21 +0000 (UTC) (envelope-from ler@lerctr.org) Received: from thebighonker.lerctr.org (thebighonker.lerctr.org [IPv6:2001:470:1f0f:3ad:223:7dff:fe9e:6e8a]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "thebighonker.lerctr.org", Issuer "COMODO RSA Domain Validation Secure Server CA" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 9E76F1103 for ; Sun, 13 Mar 2016 16:16:21 +0000 (UTC) (envelope-from ler@lerctr.org) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lerctr.org; s=lerami; h=Message-ID:Subject:To:From:Date:Content-Transfer-Encoding: Content-Type:MIME-Version; bh=0GP9Dn27eADfNcZbWq9dOZWbsJQddQL1d7dck86uofs=; b=D8qZL6vAStgVR0Be8wbaLbbaO/nR2HFrUJKjDqnR7aqHdM5pZfJUv/vS3HfnaBr+5aKrMuSrbF OZOQe155ZSOrw3/kIOmPJewzn+zKFmw6vLA1ug69sYnUzAlz6Q1V2jWn+b2igkEYOs1EqZWVBf+ex iCVOuKOAFz1nvh64FCM8=; Received: from thebighonker.lerctr.org ([2001:470:1f0f:3ad:223:7dff:fe9e:6e8a]:53904 helo=webmail.lerctr.org) by thebighonker.lerctr.org with esmtpsa (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.86_2 (FreeBSD)) (envelope-from ) id 1af8gm-0008kq-Sp for freebsd-current@freebsd.org; Sun, 13 Mar 2016 11:16:21 -0500 Received: from 2605:6000:ec17:203:1c85:7ae6:81f:6c6c by webmail.lerctr.org with HTTP (HTTP/1.1 POST); Sun, 13 Mar 2016 11:16:20 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Sun, 13 Mar 2016 11:16:20 -0500 From: Larry Rosenman To: Freebsd current Subject: Crashes in libthr? X-Priority: 1 (Highest) Message-ID: <70c63304fceddc1a91e16d63152ff33a@thebighonker.lerctr.org> X-Sender: ler@lerctr.org User-Agent: Roundcube Webmail/1.1.4 X-Spam-Score: -1.0 (-) X-LERCTR-Spam-Score: -1.0 (-) X-Spam-Report: SpamScore (-1.0/5.0) ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 X-LERCTR-Spam-Report: SpamScore (-1.0/5.0) ALL_TRUSTED=-1, SHORTCIRCUIT=-0.0001 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 13 Mar 2016 16:16:21 -0000 I updated one of my servers, and WHILE DOING THE INSTALLWORLD, I get segfaults. ANY multithreaded program crashes. I reverted libthr, and it's fine. borg.lerctr.org / # gdb -c zfs.core /sbin/zfs GNU gdb 6.1.1 [FreeBSD] Copyright 2004 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 "amd64-marcel-freebsd"... Core was generated by `zfs'. Program terminated with signal 11, Segmentation fault. Reading symbols from /lib/libjail.so.1...Reading symbols from /usr/lib/debug//lib/libjail.so.1.debug...done. done. Loaded symbols for /lib/libjail.so.1 Reading symbols from /lib/libnvpair.so.2...Reading symbols from /usr/lib/debug//lib/libnvpair.so.2.debug...done. done. Loaded symbols for /lib/libnvpair.so.2 Reading symbols from /lib/libuutil.so.2...Reading symbols from /usr/lib/debug//lib/libuutil.so.2.debug...done. done. Loaded symbols for /lib/libuutil.so.2 Reading symbols from /lib/libzfs_core.so.2...Reading symbols from /usr/lib/debug//lib/libzfs_core.so.2.debug...done. done. Loaded symbols for /lib/libzfs_core.so.2 Reading symbols from /lib/libzfs.so.2...Reading symbols from /usr/lib/debug//lib/libzfs.so.2.debug...done. done. Loaded symbols for /lib/libzfs.so.2 Reading symbols from /lib/libc.so.7...Reading symbols from /usr/lib/debug//lib/libc.so.7.debug...done. done. Loaded symbols for /lib/libc.so.7 Reading symbols from /lib/libmd.so.6...Reading symbols from /usr/lib/debug//lib/libmd.so.6.debug...done. done. Loaded symbols for /lib/libmd.so.6 Reading symbols from /lib/libumem.so.2...Reading symbols from /usr/lib/debug//lib/libumem.so.2.debug...done. done. Loaded symbols for /lib/libumem.so.2 Reading symbols from /lib/libutil.so.9...Reading symbols from /usr/lib/debug//lib/libutil.so.9.debug...done. done. Loaded symbols for /lib/libutil.so.9 Reading symbols from /lib/libm.so.5...Reading symbols from /usr/lib/debug//lib/libm.so.5.debug...done. done. Loaded symbols for /lib/libm.so.5 Reading symbols from /lib/libavl.so.2...Reading symbols from /usr/lib/debug//lib/libavl.so.2.debug...done. done. Loaded symbols for /lib/libavl.so.2 Reading symbols from /lib/libbsdxml.so.4...Reading symbols from /usr/lib/debug//lib/libbsdxml.so.4.debug...done. done. Loaded symbols for /lib/libbsdxml.so.4 Reading symbols from /lib/libgeom.so.5...Reading symbols from /usr/lib/debug//lib/libgeom.so.5.debug...done. done. Loaded symbols for /lib/libgeom.so.5 Reading symbols from /lib/libz.so.6...Reading symbols from /usr/lib/debug//lib/libz.so.6.debug...done. done. Loaded symbols for /lib/libz.so.6 Reading symbols from /lib/libthr.so.3...done. Loaded symbols for /lib/libthr.so.3 Reading symbols from /lib/libsbuf.so.6...Reading symbols from /usr/lib/debug//lib/libsbuf.so.6.debug...done. done. Loaded symbols for /lib/libsbuf.so.6 Reading symbols from /libexec/ld-elf.so.1...done. Loaded symbols for /libexec/ld-elf.so.1 #0 0x0000000802703f81 in __pthread_cxa_finalize () from /lib/libthr.so.3 [New LWP 100957] (gdb) bt #0 0x0000000802703f81 in __pthread_cxa_finalize () from /lib/libthr.so.3 #1 0x0000000802703e85 in __pthread_cxa_finalize () from /lib/libthr.so.3 #2 0x0000000802707052 in ?? () from /lib/libthr.so.3 #3 0x000000080063fc00 in ?? () #4 0x00007fffffffe638 in ?? () #5 0x00007fffffffe5b0 in ?? () #6 0x00000008026f8fd6 in atoi@plt () from /lib/libthr.so.3 #7 0x00007fffffffe5b0 in ?? () #8 0x000000080061adfd in r_debug_state () from /libexec/ld-elf.so.1 Previous frame inner to this frame (corrupt stack?) (gdb) old SVN: r296103 new SVN: r296796M (The M is a nd6 patch from markj@) this was a FULL buildworld/buildkernel. -- Larry Rosenman http://www.lerctr.org/~ler Phone: +1 214-642-9640 E-Mail: ler@lerctr.org US Mail: 7011 W Parmer Ln, Apt 1115, Austin, TX 78729-6961