From owner-freebsd-stable@FreeBSD.ORG Thu Jan 24 17:04:19 2013 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id D0816ED2 for ; Thu, 24 Jan 2013 17:04:19 +0000 (UTC) (envelope-from c47g@gmx.at) Received: from mout.gmx.net (mout.gmx.net [212.227.15.18]) by mx1.freebsd.org (Postfix) with ESMTP id 66FCB79A for ; Thu, 24 Jan 2013 17:04:19 +0000 (UTC) Received: from mailout-de.gmx.net ([10.1.76.28]) by mrigmx.server.lan (mrigmx001) with ESMTP (Nemesis) id 0LpAT4-1UdHHS2TXo-00erD0 for ; Thu, 24 Jan 2013 18:04:18 +0100 Received: (qmail invoked by alias); 24 Jan 2013 17:04:18 -0000 Received: from cm56-168-232.liwest.at (EHLO bones.gusis.at) [86.56.168.232] by mail.gmx.net (mp028) with SMTP; 24 Jan 2013 18:04:18 +0100 X-Authenticated: #9978462 X-Provags-ID: V01U2FsdGVkX1/VWgVLGQTVgufYrxKLmaXZm4Q/B5t2rdSiPBxmtB TL3WZdLXlS3g15 From: Christian Gusenbauer To: freebsd-stable@freebsd.org, freebsd-fs@freebsd.org Subject: 9.1-stable crashes while copying data from a NFS mounted directory Date: Thu, 24 Jan 2013 18:05:57 +0100 User-Agent: KMail/1.13.7 (FreeBSD/9.1-STABLE; KDE/4.8.4; amd64; ; ) MIME-Version: 1.0 Content-Type: Text/Plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Message-Id: <201301241805.57623.c47g@gmx.at> X-Y-GMX-Trusted: 0 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 24 Jan 2013 17:04:19 -0000 Hi! I'm using 9.1 stable svn revision 245605 and I get the panic below if I execute the following commands (as single user): # swapon -a # dumpon /dev/ada0s3b # mount -u / # ifconfig age0 inet 192.168.2.2 mtu 6144 up # mount -t nfs -o rsize=32768 data:/multimedia /mnt # cp /mnt/Movies/test/a.m2ts /tmp then the system panics almost immediately. I'll attach the stack trace. Note, that I'm using jumbo frames (6144 byte) on a 1Gbit network, maybe that's the cause for the panic, because the bcopy (see stack frame #15) fails. Any clues? Ciao, Christian. #0 doadump (textdump=0) at /spare/tmp/src-stable9/sys/kern/kern_shutdown.c:265 265 if (textdump && textdump_pending) { (kgdb) #0 doadump (textdump=0) at /spare/tmp/src-stable9/sys/kern/kern_shutdown.c:265 #1 0xffffffff802a8ba0 in db_dump (dummy=, dummy2=, dummy3=, dummy4=) at /spare/tmp/src-stable9/sys/ddb/db_command.c:538 #2 0xffffffff802a84ce in db_command (last_cmdp=0xffffffff808bc5c0, cmd_table=, dopager=1) at /spare/tmp/src-stable9/sys/ddb/db_command.c:449 #3 0xffffffff802a8720 in db_command_loop () at /spare/tmp/src-stable9/sys/ddb/db_command.c:502 #4 0xffffffff802aa859 in db_trap (type=, code=) at /spare/tmp/src-stable9/sys/ddb/db_main.c:231 #5 0xffffffff803c4918 in kdb_trap (type=3, code=0, tf=0xffffff81b2da8a80) at /spare/tmp/src-stable9/sys/kern/subr_kdb.c:649 #6 0xffffffff805a02cf in trap (frame=0xffffff81b2da8a80) at /spare/tmp/src-stable9/sys/amd64/amd64/trap.c:579 #7 0xffffffff8058992f in calltrap () at /spare/tmp/src-stable9/sys/amd64/amd64/exception.S:228 #8 0xffffffff803c43cb in kdb_enter (why=0xffffffff806145f3 "panic", msg=0x80
) at cpufunc.h:63 #9 0xffffffff8038f407 in panic (fmt=) at /spare/tmp/src-stable9/sys/kern/kern_shutdown.c:627 #10 0xffffffff80568049 in vm_fault_hold (map=0xfffffe0002000000, vaddr=18446743530148802560, fault_type=2 '\002', fault_flags=0, m_hold=0x0) at /spare/tmp/src-stable9/sys/vm/vm_fault.c:285 #11 0xffffffff80568753 in vm_fault (map=0xfffffe0002000000, vaddr=18446743530148802560, fault_type=, fault_flags=0) at /spare/tmp/src-stable9/sys/vm/vm_fault.c:229 #12 0xffffffff805a00c7 in trap_pfault (frame=0xffffff81b2da9170, usermode=0) at /spare/tmp/src-stable9/sys/amd64/amd64/trap.c:771 #13 0xffffffff805a051e in trap (frame=0xffffff81b2da9170) at /spare/tmp/src-stable9/sys/amd64/amd64/trap.c:463 #14 0xffffffff8058992f in calltrap () at /spare/tmp/src-stable9/sys/amd64/amd64/exception.S:228 #15 0xffffffff8059d7b5 in bcopy () at /spare/tmp/src-stable9/sys/amd64/amd64/support.S:134 #16 0xffffffff81c5963b in nfsm_mbufuio (nd=0xffffff81b2da9320, uiop=, siz=32768) at /spare/tmp/src-stable9/sys/modules/nfscommon/../../fs/nfs/nfs_commonsubs.c:212 #17 0xffffffff81c19571 in nfsrpc_read (vp=0xfffffe0005ca2000, uiop=0xffffff81b2da95a0, cred=, p=0xfffffe0005f28000, nap=0xffffff81b2da9480, attrflagp=0xffffff81b2da954c, stuff=0x0) at /spare/tmp/src-stable9/sys/modules/nfscl/../../fs/nfsclient/nfs_clrpcops.c:1343 #18 0xffffffff81c3aff0 in ncl_readrpc (vp=0xfffffe0005ca2000, uiop=0xffffff81b2da95a0, cred=) at /spare/tmp/src-stable9/sys/modules/nfscl/../../fs/nfsclient/nfs_clvnops.c:1366 #19 0xffffffff81c2fed3 in ncl_doio (vp=0xfffffe0005ca2000, bp=0xffffff816fabca20, cr=0xfffffe0002d59e00, td=0xfffffe0005f28000, called_from_strategy=0) at /spare/tmp/src-stable9/sys/modules/nfscl/../../fs/nfsclient/nfs_clbio.c:1605 #20 0xffffffff81c32aaf in ncl_bioread (vp=0xfffffe0005ca2000, uio=0xffffff81b2da9ad0, ioflag=, cred=0xfffffe0002d59e00) at /spare/tmp/src-stable9/sys/modules/nfscl/../../fs/nfsclient/nfs_clbio.c:541 #21 0xffffffff804379c3 in vn_read (fp=0xfffffe0005f3e960, uio=0xffffff81b2da9ad0, active_cred=, flags=, td=) at vnode_if.h:384 #22 0xffffffff80434d40 in vn_io_fault (fp=0xfffffe0005f3e960, uio=0xffffff81b2da9ad0, active_cred=0xfffffe0002d59e00, flags=0, td=0xfffffe0005f28000) at /spare/tmp/src-stable9/sys/kern/vfs_vnops.c:903 #23 0xffffffff803d7bd1 in dofileread (td=0xfffffe0005f28000, fd=3, fp=0xfffffe0005f3e960, auio=0xffffff81b2da9ad0, offset=, flags=0) at file.h:287 #24 0xffffffff803d7f7c in kern_readv (td=0xfffffe0005f28000, fd=3, auio=0xffffff81b2da9ad0) at /spare/tmp/src-stable9/sys/kern/sys_generic.c:250 #25 0xffffffff803d8074 in sys_read (td=, uap=) at /spare/tmp/src-stable9/sys/kern/sys_generic.c:166 #26 0xffffffff8059f4f0 in amd64_syscall (td=0xfffffe0005f28000, traced=0) at subr_syscall.c:135 #27 0xffffffff80589c17 in Xfast_syscall () at /spare/tmp/src-stable9/sys/amd64/amd64/exception.S:387 #28 0x00000008009245fc in ?? () Previous frame inner to this frame (corrupt stack?) (kgdb)