From owner-freebsd-fs@freebsd.org Tue Sep 29 13:30:26 2015 Return-Path: Delivered-To: freebsd-fs@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 B508CA0A823 for ; Tue, 29 Sep 2015 13:30:26 +0000 (UTC) (envelope-from wjw@digiware.nl) Received: from smtp.digiware.nl (smtp.digiware.nl [31.223.170.169]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id B8CD1179B for ; Tue, 29 Sep 2015 13:30:25 +0000 (UTC) (envelope-from wjw@digiware.nl) Received: from rack1.digiware.nl (unknown [127.0.0.1]) by smtp.digiware.nl (Postfix) with ESMTP id 1210A153408 for ; Tue, 29 Sep 2015 15:30:16 +0200 (CEST) X-Virus-Scanned: amavisd-new at digiware.nl Received: from smtp.digiware.nl ([127.0.0.1]) by rack1.digiware.nl (rack1.digiware.nl [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id fuPBNb0rBg8O; Tue, 29 Sep 2015 15:29:55 +0200 (CEST) Received: from [IPv6:2001:4cb8:3:1:8d7f:fb85:493b:d15b] (unknown [IPv6:2001:4cb8:3:1:8d7f:fb85:493b:d15b]) by smtp.digiware.nl (Postfix) with ESMTP id 66BC0153401 for ; Tue, 29 Sep 2015 14:20:01 +0200 (CEST) To: "freebsd-fs@freebsd.org" From: Willem Jan Withagen Subject: ZFS files server crash: solaris assert: start < end in trim_map.c Organization: Digiware Management b.v. Message-ID: <560A81EE.7010604@digiware.nl> Date: Tue, 29 Sep 2015 14:19:58 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 29 Sep 2015 13:30:26 -0000 Hi, Just found this after a crash: Architecture: amd64 Architecture Version: 2 Dump Length: 7031291904B (6705 MB) Blocksize: 512 Dumptime: Tue Sep 29 12:55:01 2015 Hostname: zfs.digiware.nl Magic: FreeBSD Kernel Dump Version String: FreeBSD 10.2-STABLE #2 r287746M: Sun Sep 13 12:33:23 CEST 2015 root@zfs.digiware.nl:/home/obj/amd64/usr/srcs/work10/src/sys/ZFS Panic String: solaris assert: start < end, file: /usr/srcs/work10/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/trim_map.c, line: 219 (kgdb) bt #0 doadump (textdump=1) at pcpu.h:219 #1 0xffffffff804f9d97 in kern_reboot (howto=260) at /usr/srcs/work10/src/sys/kern/kern_shutdown.c:451 #2 0xffffffff804fa195 in vpanic (fmt=, ap=) at /usr/srcs/work10/src/sys/kern/kern_shutdown.c:758 #3 0xffffffff804fa023 in panic (fmt=0x0) at /usr/srcs/work10/src/sys/kern/kern_shutdown.c:687 #4 0xffffffff8106a1fd in assfail (a=, f=, l=) at /usr/srcs/work10/src/sys/modules/opensolaris/../../cddl/compat/opensolaris/kern/opensolaris_cmn_err.c:81 #5 0xffffffff80e65161 in trim_map_segment_add (tm=0xfffff8001432ba00, start=7704576, end=7704576, txg=0) at /usr/srcs/work10/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/trim_map.c:219 #6 0xffffffff80e6464f in trim_map_free_locked (tm=, start=, end=, txg=) at /usr/srcs/work10/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/trim_map.c:319 #7 0xffffffff80e64588 in trim_map_free (vd=0xfffff8000ae3b800, offset=7704576, size=, txg=0) at /usr/srcs/work10/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/trim_map.c:337 #8 0xffffffff80db490c in arc_hdr_destroy (hdr=0xfffff800198ac5e8) at /usr/srcs/work10/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c:1825 #9 0xffffffff80db980a in l2arc_evict (dev=0xfffff8000aa2d480, distance=, all=0) at /usr/srcs/work10/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c:5004 #10 0xffffffff80dba0da in l2arc_feed_thread (dummy=) at /usr/srcs/work10/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c:5581 #11 0xffffffff804c9855 in fork_exit (callout=0xffffffff80db9b80 , arg=0x0, frame=0xfffffe023bbc4bc0) at /usr/srcs/work10/src/sys/kern/kern_fork.c:1018 #12 0xffffffff807773ee in fork_trampoline () at /usr/srcs/work10/src/sys/amd64/amd64/exception.S:611 #13 0x0000000000000000 in ?? () And the values there are: #5 0xffffffff80e65161 in trim_map_segment_add (tm=0xfffff8001432ba00, start=7704576, end=7704576, txg=0) at /usr/srcs/work10/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/trim_map.c:219 219 VERIFY(start < end); (kgdb) p start $1 = 7704576 (kgdb) p end $2 = 7704576 Which suggests to me that the comparison might need to be '<=', but that will probably not be this simple... --WjW