From owner-freebsd-current@FreeBSD.ORG Mon Feb 2 18:29:58 2015 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 6BEBAAA1 for ; Mon, 2 Feb 2015 18:29:58 +0000 (UTC) Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id E9F83E13 for ; Mon, 2 Feb 2015 18:29:57 +0000 (UTC) Received: from tom.home (kostik@localhost [127.0.0.1]) by kib.kiev.ua (8.14.9/8.14.9) with ESMTP id t12ITqbH058095 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Mon, 2 Feb 2015 20:29:52 +0200 (EET) (envelope-from kostikbel@gmail.com) DKIM-Filter: OpenDKIM Filter v2.9.2 kib.kiev.ua t12ITqbH058095 Received: (from kostik@localhost) by tom.home (8.14.9/8.14.9/Submit) id t12ITqQO058094; Mon, 2 Feb 2015 20:29:52 +0200 (EET) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com using -f Date: Mon, 2 Feb 2015 20:29:52 +0200 From: Konstantin Belousov To: Steve Kargl Subject: Re: panic in sys_fstatat (?) Message-ID: <20150202182952.GR42409@kib.kiev.ua> References: <20150202175940.GA898@troutmask.apl.washington.edu> <54CFBDA7.8050309@vangyzen.net> <20150202182236.GA66843@troutmask.apl.washington.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150202182236.GA66843@troutmask.apl.washington.edu> User-Agent: Mutt/1.5.23 (2014-03-12) X-Spam-Status: No, score=-2.0 required=5.0 tests=ALL_TRUSTED,BAYES_00, DKIM_ADSP_CUSTOM_MED,FREEMAIL_FROM,NML_ADSP_CUSTOM_MED autolearn=no autolearn_force=no version=3.4.0 X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on tom.home Cc: Eric van Gyzen , freebsd-current@freebsd.org 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 18:29:58 -0000 On Mon, Feb 02, 2015 at 10:22:36AM -0800, Steve Kargl wrote: > On Mon, Feb 02, 2015 at 01:10:47PM -0500, Eric van Gyzen wrote: > > On 02/02/2015 12:59, Steve Kargl wrote: > > > (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 > > > > I probably can't help debug this, but someone who _can_ will likely ask > > for this from kgdb: > > > > f 6 > > x/i $rip > > info reg > > (kgdb) f 6 > #6 0xffffffff80754567 in ufs_getattr (ap=) > at /usr/src/sys/ufs/ufs/ufs_vnops.c:463 > 463 vap->va_atime.tv_sec = ip->i_din2->di_atime; > (kgdb) x/i $rip > 0xffffffff80754567 : mov 0x20(%rax),%rax > (kgdb) info reg > rax 0xfefff80034ba0700 -72066389246343424 Note the single-bit error in the 0xf_e_fff8... address above. Is this the same machine you reported the panic in pmap ? May be, run memtest ? > rbx 0xfffff802dbc03dc8 -8783816278584 > rcx 0x1 1 > rdx 0xfffff8000b07d800 -8795907958784 > rsi 0xfffffe0469290688 -2180079090040 > rdi 0xfffff802dbc03dc8 -8783816278584 > rbp 0xfffffe04692905a0 0xfffffe04692905a0 > rsp 0xfffffe0469290570 0xfffffe0469290570 > r8 0xfffff801b5063000 -8788760973312 > r9 0x33 51 > r10 0x0 0 > r11 0x0 0 > r12 0xfffff801b5063000 -8788760973312 > r13 0xfffffe04692905e0 -2180079090208 > r14 0xfffff80088086000 -8793810771968 > r15 0xfffff800880860b0 -8793810771792 > rip 0xffffffff80754567 0xffffffff80754567 > eflags 0x10202 66050 > cs 0x20 32 > ss 0x28 40 > ds 0x0 0 > es 0x0 0 > fs 0x0 0 > gs 0x0 0 > > -- > Steve > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"