From owner-freebsd-bugs@FreeBSD.ORG Sun Feb 27 19:50:12 2011 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D402D1065672 for ; Sun, 27 Feb 2011 19:50:12 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id A88E68FC21 for ; Sun, 27 Feb 2011 19:50:12 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.4/8.14.4) with ESMTP id p1RJoCcc073069 for ; Sun, 27 Feb 2011 19:50:12 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.4/8.14.4/Submit) id p1RJoCtV073068; Sun, 27 Feb 2011 19:50:12 GMT (envelope-from gnats) Date: Sun, 27 Feb 2011 19:50:12 GMT Message-Id: <201102271950.p1RJoCtV073068@freefall.freebsd.org> To: freebsd-bugs@FreeBSD.org From: Ruben van Staveren Cc: Subject: Re: kern/151758: [panic] tmux kernel panic, with out root privilegies X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Ruben van Staveren List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 27 Feb 2011 19:50:12 -0000 The following reply was made to PR kern/151758; it has been noted by GNATS. From: Ruben van Staveren To: bug-followup@FreeBSD.org, andrey@shidakov.ru Cc: Subject: Re: kern/151758: [panic] tmux kernel panic, with out root privilegies Date: Sun, 27 Feb 2011 20:38:53 +0100 Had this on a FreeBSD chassis 8.2-RELEASE FreeBSD 8.2-RELEASE #3: Fri = Feb 25 15:44:51 CET 2011 = root@chassis:/opt/obj/usr/cvsup/8-stable/src/sys/CHASSIS amd64 system Stack trace likely to be incomplete, second in a row. previous panic was = with RELENG_8_1 prior to the reboot (so had most of 8.2 already = installed) Fatal trap 12: page fault while in kernel mode cpuid =3D 1; apic id =3D 01 fault virtual address =3D 0x250 fault code =3D supervisor read data, page not present instruction pointer =3D 0x20:0xffffffff8034a584 stack pointer =3D 0x28:0xffffff80886e2820 frame pointer =3D 0x28:0xffffff80886e2840 code segment =3D base 0x0, limit 0xfffff, type 0x1b =3D DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags =3D interrupt enabled, resume, IOPL =3D 0 current process =3D 79289 (tmux) trap number =3D 12 panic: page fault cpuid =3D 1 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2a kdb_backtrace() at kdb_backtrace+0x37 panic() at panic+0x187 trap_fatal() at trap_fatal+0x290 trap_pfault() at trap_pfault+0x2fd trap() at trap+0x343 calltrap() at calltrap+0x8 --- trap 0xc, rip =3D 0xffffffff8034a584, rsp =3D 0xffffff80886e2820, = rbp =3D 0xffffff80886e2840 --- devfs_close_f() at devfs_close_f+0x14 _fdrop() at _fdrop+0x23 closef() at closef+0x45 unp_scan() at unp_scan+0xd7 sofree() at sofree+0x122 soclose() at soclose+0x3c1 _fdrop() at _fdrop+0x23 closef() at closef+0x45 kern_close() at kern_close+0x163 syscallenter() at syscallenter+0x23d syscall() at syscall+0x4b Xfast_syscall() at Copyright (c) 1992-2011 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights = reserved. FreeBSD is a registered trademark of The FreeBSD Foundation. FreeBSD 8.2-RELEASE #3: Fri Feb 25 15:44:51 CET 2011 root@chassis:/opt/obj/usr/cvsup/8-stable/src/sys/CHASSIS amd64 Timecounter "i8254" frequency 1193182 Hz quality 0 CPU: Dual-Core AMD Opteron(tm) Processor 1220 (2814.44-MHz K8-class CPU) Origin =3D "AuthenticAMD" Id =3D 0x40f33 Family =3D f Model =3D 43 = Stepping =3D 3