From owner-freebsd-stable@freebsd.org Fri Oct 9 09:11:32 2015 Return-Path: Delivered-To: freebsd-stable@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 E74969D2D89 for ; Fri, 9 Oct 2015 09:11:31 +0000 (UTC) (envelope-from ck-lists@cksoft.de) Received: from mx1.cksoft.de (mx1.cksoft.de [IPv6:2001:67c:24f8:1::25:1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mx1.cksoft.de", Issuer "CA" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 78C06ABF; Fri, 9 Oct 2015 09:11:31 +0000 (UTC) (envelope-from ck-lists@cksoft.de) Received: from m.cksoft.de (m.cksoft.de [212.17.240.75]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.cksoft.de (Postfix) with ESMTPSA id 5FF1D1E9EB2; Fri, 9 Oct 2015 11:11:26 +0200 (CEST) Received: from amavis.cksoft.de (unknown [IPv6:2a01:170:1110:8001::25:a1]) by m.cksoft.de (Postfix) with ESMTP id DC594631D7; Fri, 9 Oct 2015 11:09:55 +0200 (CEST) X-Virus-Scanned: amavisd-new at cksoft.de Received: from m.cksoft.de ([IPv6:2a01:170:1110:8001::25:1]) by amavis.cksoft.de (amavis.cksoft.de [IPv6:2a01:170:1110:8001::25:a1]) (amavisd-new, port 10041) with ESMTP id vZgH5qj5fe-f; Fri, 9 Oct 2015 11:09:55 +0200 (CEST) Received: from noc1.cksoft.de (noc1.cksoft.de [IPv6:2a01:170:1110:8001::53:1]) by m.cksoft.de (Postfix) with ESMTP id 6A382631D0; Fri, 9 Oct 2015 11:09:54 +0200 (CEST) Received: by noc1.cksoft.de (Postfix, from userid 1000) id 44C2713BD3; Fri, 9 Oct 2015 11:11:24 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by noc1.cksoft.de (Postfix) with ESMTP id 3BAF313B4B; Fri, 9 Oct 2015 11:11:24 +0200 (CEST) Date: Fri, 9 Oct 2015 11:11:24 +0200 (CEST) From: Christian Kratzer X-X-Sender: ck@noc1.cksoft.de Reply-To: Christian Kratzer To: John Baldwin cc: Rick Macklem , freebsd-stable@freebsd.org Subject: Re: smbfs crashes since approx. 10.1-RELEASE In-Reply-To: <3563189.eDHDcCgW5L@ralph.baldwin.cx> Message-ID: References: <2148690.gx9M0ZzrG1@ralph.baldwin.cx> <3563189.eDHDcCgW5L@ralph.baldwin.cx> User-Agent: Alpine 2.20 (BSF 67 2015-01-07) X-Spammer-Kill-Ratio: 75% MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset=US-ASCII X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 09 Oct 2015 09:11:32 -0000 Hi John, the box crashed again running a 10-stable kernel with following patch of yours: On Wed, 7 Oct 2015, John Baldwin wrote: > Index: smb_iod.c > =================================================================== > --- smb_iod.c (revision 288952) > +++ smb_iod.c (working copy) > @@ -624,6 +624,13 @@ > SMB_IOD_EVUNLOCK(iod); > } else > free(evp, M_SMBIOD); > + if (iod->iod_flags & SMBIOD_SHUTDOWN) { > + if (!STAILQ_EMPTY(&iod->iod_evlist)) > + printf("%s: shutdown with pending events\n", > + __func__); > + } > + return; > + } > } > #if 0 > if (iod->iod_state == SMBIOD_ST_VCACTIVE) { > here is what I got on the kvm console: login: panic: Assertion mtx_unowned(m) failed at /usr/src/sys/kern/kern_mutex.c:955^M cpuid = 1^M KDB: stack backtrace:^M #0 0xffffffff80975bb0 at kdb_backtrace+0x60^M #1 0xffffffff8093baa6 at vpanic+0x126^M #2 0xffffffff8093b979 at kassert_panic+0x139^M #3 0xffffffff80921c47 at _mtx_destroy+0x77^M #4 0xffffffff81a1c114 at smb_iod_destroy+0xc4^M #5 0xffffffff81a12eea at smb_vc_free+0x1a^M #6 0xffffffff81a13e24 at sdp_trydestroy+0xb4^M #7 0xffffffff81a1cb36 at smbfs_unmount+0xd6^M #8 0xffffffff809d9e84 at dounmount+0x524^M #9 0xffffffff809d9936 at sys_unmount+0x3c6^M #10 0xffffffff80d42235 at amd64_syscall+0x265^M #11 0xffffffff80d25cfb at Xfast_syscall+0xfb^M Uptime: 19h48m28s^M Dumping 179 out of 999 MB:..9%..18%..27%..36%..45%..54%..63%..72%..81%..98%^M Dump complete^M Automatic reboot in 15 seconds - press a key on the console to abort^M heres the crashinfo: panic: Assertion mtx_unowned(m) failed at /usr/src/sys/kern/kern_mutex.c:955 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"... Unread portion of the kernel message buffer: panic: Assertion mtx_unowned(m) failed at /usr/src/sys/kern/kern_mutex.c:955 cpuid = 1 KDB: stack backtrace: #0 0xffffffff80975bb0 at kdb_backtrace+0x60 #1 0xffffffff8093baa6 at vpanic+0x126 #2 0xffffffff8093b979 at kassert_panic+0x139 #3 0xffffffff80921c47 at _mtx_destroy+0x77 #4 0xffffffff81a1c114 at smb_iod_destroy+0xc4 #5 0xffffffff81a12eea at smb_vc_free+0x1a #6 0xffffffff81a13e24 at sdp_trydestroy+0xb4 #7 0xffffffff81a1cb36 at smbfs_unmount+0xd6 #8 0xffffffff809d9e84 at dounmount+0x524 #9 0xffffffff809d9936 at sys_unmount+0x3c6 #10 0xffffffff80d42235 at amd64_syscall+0x265 #11 0xffffffff80d25cfb at Xfast_syscall+0xfb Uptime: 19h48m28s Dumping 179 out of 999 MB:..9%..18%..27%..36%..45%..54%..63%..72%..81%..98% Reading symbols from /boot/kernel/smbfs.ko.symbols...done. Loaded symbols for /boot/kernel/smbfs.ko.symbols Reading symbols from /boot/kernel/libiconv.ko.symbols...done. Loaded symbols for /boot/kernel/libiconv.ko.symbols Reading symbols from /boot/kernel/libmchain.ko.symbols...done. Loaded symbols for /boot/kernel/libmchain.ko.symbols #0 doadump (textdump=) at pcpu.h:219 219 pcpu.h: No such file or directory. in pcpu.h (kgdb) #0 doadump (textdump=) at pcpu.h:219 #1 0xffffffff8093b5f2 in kern_reboot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:451 #2 0xffffffff8093bae5 in vpanic (fmt=, ap=) at /usr/src/sys/kern/kern_shutdown.c:758 #3 0xffffffff8093b979 in kassert_panic (fmt=) at /usr/src/sys/kern/kern_shutdown.c:646 #4 0xffffffff80921c47 in _mtx_destroy (c=0xfffff80009284690) at /usr/src/sys/kern/kern_mutex.c:955 #5 0xffffffff81a1c114 in smb_iod_destroy (iod=0xfffff80009284600) at /usr/src/sys/modules/smbfs/../../netsmb/smb_iod.c:706 #6 0xffffffff81a12eea in smb_vc_free (cp=0xfffff8003a602a00) at /usr/src/sys/modules/smbfs/../../netsmb/smb_conn.c:499 #7 0xffffffff81a13e24 in sdp_trydestroy (sdp=0xfffff8000a7cbc80) at /usr/src/sys/modules/smbfs/../../netsmb/smb_dev.c:166 #8 0xffffffff81a1cb36 in smbfs_unmount (mp=0xfffff80039f88330, mntflags=) at /usr/src/sys/modules/smbfs/../../fs/smbfs/smbfs_vfsops.c:297 #9 0xffffffff809d9e84 in dounmount (mp=0xfffff80039f88330, flags=134217728, td=0xfffff8000f2b0000) at /usr/src/sys/kern/vfs_mount.c:1313 #10 0xffffffff809d9936 in sys_unmount (td=0xfffff8000f2b0000, uap=0xfffffe003d67fb80) at /usr/src/sys/kern/vfs_mount.c:1205 #11 0xffffffff80d42235 in amd64_syscall (td=0xfffff8000f2b0000, traced=0) at subr_syscall.c:134 #12 0xffffffff80d25cfb in Xfast_syscall () at /usr/src/sys/amd64/amd64/exception.S:396 #13 0x000000080089190a in ?? () Previous frame inner to this frame (corrupt stack?) Current language: auto; currently minimal (kgdb) I have kgdb710 from ports setup in case you need me to check something. Greetings Christian -- Christian Kratzer CK Software GmbH Email: ck@cksoft.de Wildberger Weg 24/2 Phone: +49 7032 893 997 - 0 D-71126 Gaeufelden Fax: +49 7032 893 997 - 9 HRB 245288, Amtsgericht Stuttgart Mobile: +49 171 1947 843 Geschaeftsfuehrer: Christian Kratzer Web: http://www.cksoft.de/