From owner-freebsd-current@FreeBSD.ORG Tue Oct 29 10:23:14 2013 Return-Path: Delivered-To: current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id 6EB07EC9 for ; Tue, 29 Oct 2013 10:23:14 +0000 (UTC) (envelope-from danfe@regency.nsu.ru) Received: from mx.nsu.ru (mx.nsu.ru [84.237.50.39]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id D022C29C9 for ; Tue, 29 Oct 2013 10:23:13 +0000 (UTC) Received: from regency.nsu.ru ([193.124.210.26]) by mx.nsu.ru with esmtp (Exim 4.69) (envelope-from ) id 1Vb6Rt-0003VX-6W for current@freebsd.org; Tue, 29 Oct 2013 17:23:02 +0700 Received: from regency.nsu.ru (localhost [127.0.0.1]) by regency.nsu.ru (8.14.2/8.14.2) with ESMTP id r9TAOGOv042751 for ; Tue, 29 Oct 2013 17:24:26 +0700 (NOVT) (envelope-from danfe@regency.nsu.ru) Received: (from danfe@localhost) by regency.nsu.ru (8.14.2/8.14.2/Submit) id r9TAOBuW042718 for current@freebsd.org; Tue, 29 Oct 2013 17:24:11 +0700 (NOVT) (envelope-from danfe) Date: Tue, 29 Oct 2013 17:24:11 +0700 From: Alexey Dokuchaev To: current@freebsd.org Subject: Fatal trap 12: page fault while in kernel mode (FUSE related?) Message-ID: <20131029102410.GA39893@regency.nsu.ru> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.4.2.1i X-Mailman-Approved-At: Tue, 29 Oct 2013 11:27:20 +0000 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.14 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: Tue, 29 Oct 2013 10:23:14 -0000 Hi again, I was running out of space on my UFS partition and decided to use big NTFS one I also have on the drive. I've mounted it with ntfs-3g and our native fuse.ko. I needed the scratch space to built Open/LibreOffice on it *LOL*. Well, it failed with a panic (see the excerpt from text core at the end of this email; full debug info is available upon request). This is on fresh 11-CURRENT, i386. ./danfe Fatal trap 12: page fault while in kernel mode cpuid = 1; apic id = 01 fault virtual address = 0x64 fault code = supervisor read, page not present instruction pointer = 0x20:0xcae6adb6 stack pointer = 0x28:0xf0ac29a0 frame pointer = 0x28:0xf0ac2a0c code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, def32 1, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 14116 (conftest) trap number = 12 panic: page fault cpuid = 1 KDB: stack backtrace: #0 0xc0aed942 at kdb_backtrace+0x52 #1 0xc0ab37e1 at panic+0x121 #2 0xc0f8df09 at trap_fatal+0x339 #3 0xc0f8e23d at trap_pfault+0x31d #4 0xc0f8d819 at trap+0x519 #5 0xc0f776ec at calltrap+0x6 #6 0xc0fb2864 at VOP_CREATE_APV+0x94 #7 0xc0b355ab at uipc_bindat+0x36b #8 0xc0b33307 at uipc_bind+0x27 #9 0xc0b2c277 at kern_bindat+0x147 #10 0xc0b2c064 at sys_bind+0x74 #11 0xc0f8e939 at syscall+0x479 #12 0xc0f77781 at Xint0x80_syscall+0x21 Uptime: 1d23h57m34s Physical memory: 2027 MB <...> (kgdb) #0 doadump (textdump=-961984384) at pcpu.h:233 #1 0xc0ab3459 in kern_reboot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:447 #2 0xc0ab381f in panic (fmt=) at /usr/src/sys/kern/kern_shutdown.c:754 #3 0xc0f8df09 in trap_fatal (frame=, eva=100) at /usr/src/sys/i386/i386/trap.c:1047 #4 0xc0f8e23d in trap_pfault (frame=0x0, usermode=, eva=0) at /usr/src/sys/i386/i386/trap.c:859 #5 0xc0f8d819 in trap (frame=0xf0ac2960) at /usr/src/sys/i386/i386/trap.c:556 #6 0xc0f776ec in calltrap () at /usr/src/sys/i386/i386/exception.s:170 #7 0xcae6adb6 in fuse_vnop_create (ap=0x0) at /usr/src/sys/modules/fuse/../../fs/fuse/fuse_vnops.c:368 #8 0xc0fb2864 in VOP_CREATE_APV (vop=, a=0xf0ac2b88) at vnode_if.c:265 #9 0xc0b355ab in uipc_bindat (so=0xf0ac2b20, nam=, td=) at vnode_if.h:109 #10 0xc0b33307 in uipc_bind (so=0xc80ab9f0, nam=0xc8580e80, td=0xce271620) at /usr/src/sys/kern/uipc_usrreq.c:573 #11 0xc0b2c277 in kern_bindat (td=0xce271620, dirfd=, fd=, sa=0xce271620) at /usr/src/sys/kern/uipc_syscalls.c:283 #12 0xc0b2c064 in sys_bind (td=0x0, uap=) at /usr/src/sys/kern/uipc_syscalls.c:297 #13 0xc0f8e939 in syscall (frame=) at subr_syscall.c:134 #14 0xc0f77781 in Xint0x80_syscall () at /usr/src/sys/i386/i386/exception.s:270 #15 0x00000033 in ?? () Previous frame inner to this frame (corrupt stack?) Current language: auto; currently minimal (kgdb)