From owner-freebsd-current@FreeBSD.ORG Mon Jan 17 12:42:11 2011 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id BDF701065672; Mon, 17 Jan 2011 12:42:11 +0000 (UTC) (envelope-from mexas@bristol.ac.uk) Received: from dirj.bris.ac.uk (dirj.bris.ac.uk [137.222.10.78]) by mx1.freebsd.org (Postfix) with ESMTP id 79F478FC18; Mon, 17 Jan 2011 12:42:11 +0000 (UTC) Received: from ncsc.bris.ac.uk ([137.222.10.41]) by dirj.bris.ac.uk with esmtp (Exim 4.72) (envelope-from ) id 1PeoOe-0005uv-3y; Mon, 17 Jan 2011 12:42:10 +0000 Received: from mech-cluster241.men.bris.ac.uk ([137.222.187.241]) by ncsc.bris.ac.uk with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.72) (envelope-from ) id 1PeoOd-0004Hr-Uf; Mon, 17 Jan 2011 12:41:20 +0000 Received: from mech-cluster241.men.bris.ac.uk (localhost [127.0.0.1]) by mech-cluster241.men.bris.ac.uk (8.14.4/8.14.4) with ESMTP id p0HCfJbl002074; Mon, 17 Jan 2011 12:41:19 GMT (envelope-from mexas@bristol.ac.uk) Received: (from mexas@localhost) by mech-cluster241.men.bris.ac.uk (8.14.4/8.14.4/Submit) id p0HCfJCV002073; Mon, 17 Jan 2011 12:41:19 GMT (envelope-from mexas@bristol.ac.uk) X-Authentication-Warning: mech-cluster241.men.bris.ac.uk: mexas set sender to mexas@bristol.ac.uk using -f Date: Mon, 17 Jan 2011 12:41:19 +0000 From: Anton Shterenlikht To: freebsd-current@freebsd.org, freebsd-ia64@freebsd.org Message-ID: <20110117124119.GA1589@mech-cluster241.men.bris.ac.uk> Mail-Followup-To: freebsd-current@freebsd.org, freebsd-ia64@freebsd.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.4.2.3i Cc: Subject: fatal kernel trap (cpu 1): trap vector = 0x14 (Page Not Present) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 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: Mon, 17 Jan 2011 12:42:11 -0000 On ia64 r216732 I got this panic: - - - - - - - - - - Prior Console Output - - - - - - - - - - cr.iip = 0xe00000000482b8a0 cr.ipsr = 0x210080a6038 (ac,mfl,mfh,ic,i,dt,dfh,rt,cpl=0,it,ri=1) cr.isr = 0xa0200000000 (code=0,vector=0,w,ei=1,ed) cr.ifa = 0x71000406376e661 curthread = 0xe00000001198e450 pid = 41614, comm = initial thread [ thread pid 41614 tid 100081 ] Stopped at bzero+0xd1: [M1] st8 [r21]=r0,0x40 db> - - - - - - - - - - - - Live Console - - - - - - - - - - - - db> thread 100081 [ thread pid 41614 tid 100081 ] bzero+0xd1: [M1] st8 [r21]=r0,0x40 db> db> show thread Thread 100081 at 0xe00000001198e450: proc (pid 41614): 0xe000000011982cd8 name: initial thread stack: 0xa0000000c6eca000-0xa0000000c6ed1fff flags: 0x10004 pflags: 0 state: RUNNING (CPU 1) priority: 201 container lock: sched lock 1 (0xe000000004a1db80) db> db> bt Tracing pid 41614 tid 100081 td 0xe00000001198e450 UNW: unw_copyin_from_pcb(0xe000000004a36e40, 102) bzero() at bzero+0xd1 vfs_bio_clrbuf(0xa00000007ee73a80, 0xa0000000aa57a000, 0x2000, 0xa0000000aa57c00 0, 0xa00000007ee73bb0, 0xffff, 0x0, 0x0) at vfs_bio_clrbuf+0x400 ffs_balloc_ufs2(0xe00000001b70c000, 0x0, 0x25ce, 0xe00000001c224a00, 0x2010000, 0xa0000000c6ed1240) at ffs_balloc_ufs2+0x1630 ffs_write(0xa0000000c6ed1328, 0x25ce, 0x0) at ffs_write+0x520 VOP_WRITE_APV(0xe0000000049c6698, 0xa0000000c6ed1328, 0x0, 0x0) at VOP_WRITE_APV +0x2d0 vn_write(0xe00000001fc5f2c0, 0xa0000000c6ed1360, 0xe00000001c224a00, 0x0, 0xe000 00001b70c000) at vn_write+0x420 dofilewrite(0xe00000001198e450, 0x3, 0xe00000001fc5f2c0, 0xa0000000c6ed1360, 0xf fffffffffffffff, 0x0) at dofilewrite+0x160 kern_writev(0xe00000001198e450, 0x3, 0xa0000000c6ed1360) at kern_writev+0x70 write(0xe00000001198e450, 0xa0000000c6ed14e8, 0xe00000000443e610, 0x50e) at writ e+0xd0 syscallenter(0xe00000001198e450, 0xa0000000c6ed13a0, 0xa0000000c6ed13a8) at sysc allenter+0x4e0 syscall(0xa0000000c6ed14c8, 0xe00000001198e450, 0x25ce, 0xe00000000483e180, 0x8, 0x309) at syscall+0x60 epc_syscall_return() at epc_syscall_return db> >From console logs: Jan 17 09:03:52 mech-cluster241 su: mexas to root on /dev/pts/2 lock order reversal: (sleepable after non-sleepable) 1st 0xe00000001f558948 vm object (standard object) @ /usr/src/sys/kern/vfs_bio. c:3739 _sx_slock(0xe0000000118bb018, 0x0, 0xe0000000048c6460, 0xe11) at _sx_slock+0xb0 _vm_map_lock_read(0xe0000000118bafa0, 0xe0000000048c6460, 0xe11, 0xe0000000047ca 600) at _vm_map_lock_read+0x80 vm_map_lookup(0xa0000000c6ed0118, 0x71000406376e000, 0x2, 0xa0000000c6ed0120, 0x a0000000c6ed0108, 0xa0000000c6ed0110, 0xa0000000c6ed0060, 0xa0000000c6ed0064) at vm_map_lookup+0x70 vm_fault_hold(0xe0000000118bafa0, 0x71000406376e000, 0x2, 0x0, 0x0) at vm_fault_ hold+0x260 vm_fault(0xe0000000118bafa0, 0x71000406376e000, 0x2, 0x0, 0xe0000000048431c0, 0x 716, 0x716) at vm_fault+0x40 trap(0x14, 0xa0000000c6ed0c00) at trap+0x9a0 ivt_Data_TLB() at ivt_Data_TLB+0x1d0 --- trapframe at 0xa0000000c6ed0c00 bzero() at bzero+0xd1 vfs_bio_clrbuf(0xa00000007ee73a80, 0xa0000000aa57a000, 0x2000, 0xa0000000aa57c00 0, 0xa00000007ee73bb0, 0xffff, 0x0, 0x0) at vfs_bio_clrbuf+0x400 ffs_balloc_ufs2(0xe00000001b70c000, 0x0, 0x25ce, 0xe00000001c224a00, 0x2010000, 0xa0000000c6ed1240) at ffs_balloc_ufs2+0x1630 ffs_write(0xa0000000c6ed1328, 0x25ce, 0x0) at ffs_write+0x520 VOP_WRITE_APV(0xe0000000049c6698, 0xa0000000c6ed1328, 0x0, 0x0) at VOP_WRITE_APV +0x2d0 kern_writev(0xe00000001198e450, 0x3, 0xa0000000c6ed1360) at kern_writev+0x70 write(0xe00000001198e450, 0xa0000000c6ed14e8, 0xe00000000443e610, 0x50e) at writ e+0xd0 syscallenter(0xe00000001198e450, 0xa0000000c6ed13a0, 0xa0000000c6ed13a8) at sysc allenter+0x4e0 syscall(0xa0000000c6ed14c8, 0xe00000001198e450, 0x25ce, 0xe00000000483e180, 0x8, 0x309) at syscall+0x60 epc_syscall_return() at epc_syscall_return fatal kernel trap (cpu 1): trap vector = 0x14 (Page Not Present) cr.iip = 0xe00000000482b8a0 cr.ipsr = 0x210080a6038 (ac,mfl,mfh,ic,i,dt,dfh,rt,cpl=0,it,ri=1) cr.isr = 0xa0200000000 (code=0,vector=0,w,ei=1,ed) cr.ifa = 0x71000406376e661 curthread = 0xe00000001198e450 pid = 41614, comm = initial thread [ thread pid 41614 tid 100081 ] Stopped at bzero+0xd1: [M1] st8 [r21]=r0,0x40 -- Anton Shterenlikht Room 2.6, Queen's Building Mech Eng Dept Bristol University University Walk, Bristol BS8 1TR, UK Tel: +44 (0)117 331 5944 Fax: +44 (0)117 929 4423