From owner-freebsd-current@FreeBSD.ORG Mon Feb 2 17:59:48 2015 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 8C574E60 for ; Mon, 2 Feb 2015 17:59:48 +0000 (UTC) Received: from troutmask.apl.washington.edu (troutmask.apl.washington.edu [128.95.76.21]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "troutmask", Issuer "troutmask" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 721A1A82 for ; Mon, 2 Feb 2015 17:59:48 +0000 (UTC) Received: from troutmask.apl.washington.edu (localhost [127.0.0.1]) by troutmask.apl.washington.edu (8.14.9/8.14.9) with ESMTP id t12Hxehl000913 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Mon, 2 Feb 2015 09:59:40 -0800 (PST) (envelope-from sgk@troutmask.apl.washington.edu) Received: (from sgk@localhost) by troutmask.apl.washington.edu (8.14.9/8.14.9/Submit) id t12HxeEr000912 for freebsd-current@freebsd.org; Mon, 2 Feb 2015 09:59:40 -0800 (PST) (envelope-from sgk) Date: Mon, 2 Feb 2015 09:59:40 -0800 From: Steve Kargl To: freebsd-current@freebsd.org Subject: panic in sys_fstatat (?) Message-ID: <20150202175940.GA898@troutmask.apl.washington.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.23 (2014-03-12) 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: Mon, 02 Feb 2015 17:59:48 -0000 Not sure if the panmic is initiated in sys_fstatat, but here's the trace. troutmask.apl.washington.edu dumped core - see /var/crash/vmcore.1 Mon Feb 2 09:38:44 PST 2015 FreeBSD troutmask.apl.washington.edu 11.0-CURRENT FreeBSD 11.0-CURRENT #0 r278102M: Mon Feb 2 09:15:48 PST 2015 kargl@troutmask.apl.washington.edu:/data/obj/usr/src/sys/SPEW amd64 panic: general protection fault Fatal trap 9: general protection fault while in kernel mode cpuid = 2; apic id = 12 instruction pointer = 0x20:0xffffffff80754567 stack pointer = 0x28:0xfffffe0469290560 frame pointer = 0x28:0xfffffe04692905a0 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 = 62150 (rm) trap number = 9 panic: general protection fault cpuid = 2 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe0469290220 panic() at panic+0x1c1/frame 0xfffffe04692902e0 trap_fatal() at trap_fatal+0x380/frame 0xfffffe0469290340 trap() at trap+0x6d1/frame 0xfffffe04692904a0 calltrap() at calltrap+0x8/frame 0xfffffe04692904a0 --- trap 0x9, rip = 0xffffffff80754567, rsp = 0xfffffe0469290560, rbp = 0xfffffe04692905a0 --- ufs_getattr() at ufs_getattr+0x87/frame 0xfffffe04692905a0 VOP_GETATTR_APV() at VOP_GETATTR_APV+0x7a/frame 0xfffffe04692905d0 vn_stat() at vn_stat+0x62/frame 0xfffffe04692906c0 kern_statat() at kern_statat+0xe4/frame 0xfffffe0469290880 sys_fstatat() at sys_fstatat+0x2c/frame 0xfffffe0469290920 amd64_syscall() at amd64_syscall+0x289/frame 0xfffffe0469290a30 Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe0469290a30 --- syscall (493, FreeBSD ELF64, sys_fstatat), rip = 0x2008b3e9a, rsp = 0x7fffffffdc88, rbp = 0x7fffffffdd30 --- Uptime: 10m14s #0 doadump (textdump=Unhandled dwarf expression opcode 0x93 ) at pcpu.h:219 219 pcpu.h: No such file or directory. in pcpu.h (kgdb) #0 doadump (textdump=Unhandled dwarf expression opcode 0x93 ) at pcpu.h:219 #1 0xffffffff80559f47 in kern_reboot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:448 #2 0xffffffff8055a3b0 in panic (fmt=) at /usr/src/sys/kern/kern_shutdown.c:747 #3 0xffffffff807a85c0 in trap_fatal (frame=, eva=) at /usr/src/sys/amd64/amd64/trap.c:861 #4 0xffffffff807a8221 in trap (frame=) at /usr/src/sys/amd64/amd64/trap.c:201 #5 0xffffffff8078d843 in calltrap () at /usr/src/sys/amd64/amd64/exception.S:235 #6 0xffffffff80754567 in ufs_getattr (ap=) at /usr/src/sys/ufs/ufs/ufs_vnops.c:463 #7 0xffffffff808074fa in VOP_GETATTR_APV (vop=, a=) at vnode_if.c:731 #8 0xffffffff80607e62 in vn_stat (vp=0xfffff80088086000, sb=0xfffffe0469290710, active_cred=0xfffff8000b07d800, file_cred=0x1, td=0xfffff801b5063000) at vnode_if.h:309 #9 0xffffffff806017e4 in kern_statat (td=0xfffff801b5063000, flag=, fd=, path=, pathseg=UIO_USERSPACE, sbp=0xfffffe04692908a0, hook=0xfefff80034ba0700) at /usr/src/sys/kern/vfs_syscalls.c:2241 #10 0xffffffff80601acc in sys_fstatat (td=0xfffff802dbc03dc8, uap=0xfffffe04692909c0) at /usr/src/sys/kern/vfs_syscalls.c:2215 #11 0xffffffff807a8db9 in amd64_syscall (td=0xfffff801b5063000, traced=0) at subr_syscall.c:133 #12 0xffffffff8078db2b in Xfast_syscall () at /usr/src/sys/amd64/amd64/exception.S:395 #13 0x00000002008b3e9a in ?? () Previous frame inner to this frame (corrupt stack?) Current language: auto; currently minimal (kgdb) -- Steve