From owner-freebsd-current@FreeBSD.ORG Sat Oct 18 22:48:31 2014 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id B3A50F0A; Sat, 18 Oct 2014 22:48:31 +0000 (UTC) Received: from zhhdzmsp-smta18.bluewin.ch (zhhdzmsp-smta18.bluewin.ch [195.186.227.133]) by mx1.freebsd.org (Postfix) with ESMTP id B09D75E9; Sat, 18 Oct 2014 22:48:30 +0000 (UTC) Received: from [195.186.99.131] ([195.186.99.131:50213] helo=zhbdzmsp-smta13.bluewin.ch) by zhhdzmsp-smta18.bluewin.ch (envelope-from ) (ecelerity 3.5.7.40067 r(Platform:3.5.7.0)) with ESMTP id 70/24-02067-63EE2445; Sat, 18 Oct 2014 22:48:22 +0000 Received: from noxon.firefly (176.127.15.207) by zhbdzmsp-smta13.bluewin.ch (8.5.142) (authenticated as tobias.berner) id 51DDDBBD20C360B7; Sat, 18 Oct 2014 22:48:21 +0000 From: "Tobias C. Berner" To: araujo@freebsd.org Subject: Re: kernel page fault with nfs Date: Sun, 19 Oct 2014 00:48:21 +0200 Message-ID: <10171630.Vr2tvlANVU@noxon.firefly> User-Agent: KMail/4.14.2 (FreeBSD/11.0-CURRENT; KDE/4.14.2; amd64; ; ) In-Reply-To: References: <3430961.Iq02vNgBU7@noxon.firefly> <1995323.F02irpmLMA@ralph.baldwin.cx> MIME-Version: 1.0 X-Mailman-Approved-At: Sat, 18 Oct 2014 23:39:32 +0000 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit X-Content-Filtered-By: Mailman/MimeDel 2.1.18-1 Cc: freebsd-current X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.18-1 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: Sat, 18 Oct 2014 22:48:31 -0000 Hi World ist from october 16, installed world and kernel then. Kernel was later rebuilt with debug-options. Is the following more sensible? ################################################## # kgdb NOXON/kernel.debug vmcore.1 Fatal trap 12: page fault while in kernel mode cpuid = 5; apic id = 05 fault virtual address = 0xfffffe07d1744000 fault code = supervisor write data, page not present instruction pointer = 0x20:0xffffffff80d4d58a stack pointer = 0x28:0xfffffe086057f240 frame pointer = 0x28:0xfffffe086057f2f0 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 6524 (python2.7) (kgdb) bt #0 doadump (textdump=1) at pcpu.h:219 #1 0xffffffff80926b6d in kern_reboot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:447 #2 0xffffffff809270c0 in panic (fmt=) at /usr/src/sys/kern/kern_shutdown.c:746 #3 0xffffffff8035f167 in db_panic (addr=, have_addr=2, count=0, modif=0x0) at /usr/src/sys/ddb/db_command.c:473 #4 0xffffffff8035ed7d in db_command (cmd_table=0x0) at /usr/src/sys/ddb/db_command.c:440 #5 0xffffffff8035eaf4 in db_command_loop () at /usr/src/sys/ddb/db_command.c:493 #6 0xffffffff80361600 in db_trap (type=, code=0) at /usr/src/sys/ddb/db_main.c:251 #7 0xffffffff80966f01 in kdb_trap (type=12, code=0, tf=) at /usr/src/sys/kern/subr_kdb.c:654 #8 0xffffffff80d4fa7c in trap_fatal (frame=0xfffffe086057f190, eva=) at /usr/src/sys/amd64/amd64/trap.c:861 #9 0xffffffff80d4fe0c in trap_pfault (frame=0xfffffe086057f190, usermode=) at /usr/src/sys/amd64/amd64/trap.c:677 #10 0xffffffff80d4f42e in trap (frame=0xfffffe086057f190) at /usr/src/sys/amd64/amd64/trap.c:426 #11 0xffffffff80d33972 in calltrap () at /usr/src/sys/amd64/amd64/exception.S:231 #12 0xffffffff80d4d58a in bzero () at /usr/src/sys/amd64/amd64/support.S:53 #13 0xffffffff80830463 in ncl_doio (vp=0xfffff801e7f99938, bp=0xfffffe07c5a168e8, cr=, td=, called_from_strategy=) at /usr/src/sys/fs/nfsclient/nfs_clbio.c:1648 #14 0xffffffff80831acf in ncl_write (ap=) at /usr/src/sys/fs/nfsclient/nfs_clbio.c:1124 #15 0xffffffff80e646a5 in VOP_WRITE_APV (vop=, a=) at vnode_if.c:997 #16 0xffffffff809f52f9 in vn_write (fp=0xfffff80101c62780, uio=0xfffffe086057f970, active_cred=, flags=320, td=0x0) at vnode_if.h:413 #17 0xffffffff809f5602 in vn_io_fault_doio (args=, uio=0xa00, td=0x0) at /usr/src/sys/kern/vfs_vnops.c:991 #18 0xffffffff809f2aec in vn_io_fault1 () at /usr/src/sys/kern/vfs_vnops.c:1047 #19 0xffffffff809f0e3b in vn_io_fault (fp=0xfffff80101c62780, uio=0xfffffe086057f970, active_cred=, flags=0, td=0xfffff80171d79920) at /usr/src/sys/kern/vfs_vnops.c:1152 #20 0xffffffff80982357 in dofilewrite (td=0xfffff80171d79920, fd=19, fp=0xfffff80101c62780, auio=0xfffffe086057f970, offset=, flags=0) at file.h:306 #21 0xffffffff80982088 in kern_writev (td=0xfffff80171d79920, fd=19, auio=0xfffffe086057f970) at /usr/src/sys/kern/sys_generic.c:467 #22 0xffffffff80982013 in sys_write (td=, uap=) at /usr/src/sys/kern/sys_generic.c:382 #23 0xffffffff80d5051b in amd64_syscall (td=0xfffff80171d79920, traced=0) at subr_syscall.c:133 #24 0xffffffff80d33c5b in Xfast_syscall () at /usr/src/sys/amd64/amd64/exception.S:390 #25 0x000000080137de4a in ?? () ################################################## Thanks in advance, Tobias Berner On Saturday 18 October 2014 20.43:12 Marcelo Araujo wrote: > When you rebuild your system, did you rebuild and install all kernel and > world? > > Best Regards, > > On Oct 18, 2014 7:57 PM, "John Baldwin" wrote: > > On Friday, October 17, 2014 11:11:26 PM Tobias C. Berner wrote: > > > Hi > > > > > > > > > For some days now I've had problems with my current (last test with > > > r273178M). > > > > > > Sometimes when accessing a nfs-share there is a pagefault: > > > > > > ################################################## ##### > > > Fatal trap 12: page fault while in kernel mode > > > cpuid = 7; apic id = 07 > > > fault virtual address = 0xfffffe07cfe60400 > > > fault code = supervisor read data, page not present > > > instruction pointer = 0x20:0xffffffff80d4d4b6 > > > stack pointer = 0x28:0xfffffe086088b380 > > > frame pointer = 0x28:0xfffffe086088b3f0 > > > code segment = base 0x0, limit 0xfffff, type 0x1b > > > > > > = DPL 0, pres 1, long 1, def32 0, gran 1 > > > > > > processor eflags = interrupt enabled, resume, IOPL = 0 > > > current process = 43868 (mplayer) > > > > > > > > > #0 0xffffffff80926d29 in shutdown_nice (howto=1) at > > > /usr/src/sys/kern/kern_shutdown.c:207 > > > #1 0xffffffff80926a2d in kern_reboot (howto=260) at > > > /usr/src/sys/kern/kern_shutdown.c:444 > > > #2 0xffffffff80926f80 in panic (fmt=0x104
> > > bounds>) at > > > > > /usr/src/sys/kern/kern_shutdown.c:698 > > > #3 0xffffffff8035f147 in panic_cmd_del (arg=0x0) at > > > /usr/src/sys/ddb/db_command.c:244 > > > #4 0xffffffff8035ed5d in db_command (cmd_table=0x0) at > > > /usr/src/sys/ddb/db_command.c:439 > > > #5 0xffffffff8035ead4 in db_command_loop () at > > > /usr/src/sys/ddb/db_command.c:488 #6 0xffffffff803615e0 in db_trap > > > (type=, code=0) at /usr/src/sys/ddb/db_main.c:247 > > > #7 0xffffffff80966db1 in kdb_trap (type=12, code=0, > > > > tf=0xfffffe086088b2d0)