From owner-freebsd-current@FreeBSD.ORG Fri Jun 15 23:14:45 2007 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id B7F7616A46C for ; Fri, 15 Jun 2007 23:14:45 +0000 (UTC) (envelope-from lydianconcepts@gmail.com) Received: from wa-out-1112.google.com (wa-out-1112.google.com [209.85.146.179]) by mx1.freebsd.org (Postfix) with ESMTP id 9274813C4B0 for ; Fri, 15 Jun 2007 23:14:45 +0000 (UTC) (envelope-from lydianconcepts@gmail.com) Received: by wa-out-1112.google.com with SMTP id j37so1357369waf for ; Fri, 15 Jun 2007 16:14:45 -0700 (PDT) DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=fUjK256XW+zO6KciOjgYwbhBuPvS7Y13cGdI/TCGlx5tbPQcGsRYhTLVD4Zba9+WczU/kQb0AciRxAfmTscGYpCEzN6Zs6QtU2LDFbvv+cFfVsA6iAT14Pm8V6DJm/ums/cNlnKJSnDnh9PwLIf/CMWGhZq4fqDbLJIWTkiiCRE= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=qTCJAK/lDNX9imONHu8iPn7VHbu05ObSoL2Q4rCqL9dmAE8v4UoNoLgRUpo4abEviC4owkXTgo/CJMNUrZqKpt2mYBzhnDUbjg7CfwugNx5h2AxtVWG+FnT2i9pOy3u33Kj2PoxVZFBk7mxG9yb+QJWPWpCD4qyoYLkh9SmINxw= Received: by 10.114.195.19 with SMTP id s19mr3543105waf.1181949283817; Fri, 15 Jun 2007 16:14:43 -0700 (PDT) Received: by 10.114.125.14 with HTTP; Fri, 15 Jun 2007 16:14:43 -0700 (PDT) Message-ID: <7579f7fb0706151614gd897bcan3de6098ff943530@mail.gmail.com> Date: Fri, 15 Jun 2007 16:14:43 -0700 From: "Matthew Jacob" To: "Alex Burke" In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: Cc: FreeBSD CURRENT Subject: Re: Access to tape drive caused following backtrace 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: Fri, 15 Jun 2007 23:14:45 -0000 Thanks. I'll look at it. On 6/15/07, Alex Burke wrote: > Hi, > > I was just doung a tar -tf /dev/sa0 when I got (hand transcribed): > > uma_zalloc_arg: zone "32" with the following non-sleepable locks held: > exclusive sleep mutex ahc_lock r = 0 (0xc3cb2eb0) locked @ /usr/src/sys/cam/cam_ > periph.h:182 > KDB: stack backtrace: > db_trace_self_wrapper(c01afca0,df502850,c076fcfd,c0a20063,df502864,...) at db_tr > ace_self_wrapper+0x26 > kdb_backtrace(c0a20063,df502864,4,1,0,...) at kdb_backtrace+0x29 > witness_warn(5,0,c0a3a76f,c0a408e1,c3b76000,...) at witness_warn+0x41cd > uma_zalloc_arg(c1472b40,0,102,2,c3ef6400,...) at uma_zalloc_arg+0x34 > malloc(1c,c0a564e0,102,df502900,c09d8343,...) at malloc+0xd2 > sagetparams(c3ef6484,c3ef6480,c3ef6488,df50299f,c3ef6485,...) at sagetparams+0x4 > 2c > samount(c3e81a80,14c,c09d88343,b6,6,...) at samount+0x6df > saopen(c3de8900,1,2000,c4080600,c0a56760,...) at sa_open+0x124 > giant_open(c3de8900,1,2000,c4080600,c3f08200,...) at giant_open+0x4f > devfs_open(df502a8c,c4080600,df502b80,df502b1c,...) at devfs_open+0x230 > VOP_OPEN_APV(c0ac19e0,df502a8c,df502a78,246,c424a000,...) at VOP_OPEN_APV+0xa5 > vn_open_cred(df502b80,df502c78,0,c4233180,c4064e58,...) at vn_open_cred+0x44b > vn_open(df502b80,df502c78,0,c4064e58,246,...) at vn_open+0x33 > kern_open(c4080600,df502cfc,c,c,c0ac4918,...) at kern_open+0xc3 > open(c4080600,df502cfc,c,c,c0ac4918,...) at open+0x30 > syscall(df502d38) at syscall+0x288 > Xint0x80_syscall() at Xint0x80_syscall+0x20 > --- syscall (5, FreeBSD ELF32, open), eip = 0x28194a7b, esp = 0xbfbfe9fc, ebp = > 0xbfbfea88 --- > > The machine did not panic, seemed to still be responsive. Maybe the > problem has been fixed since the CURRENT I am running, but I thought I > should post this anyway. > > Cheers, Alex J Burke. > _______________________________________________ > 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" >