From owner-freebsd-sparc64@FreeBSD.ORG Fri Apr 21 02:42:29 2006 Return-Path: X-Original-To: freebsd-sparc64@freebsd.org Delivered-To: freebsd-sparc64@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 333D116A400 for ; Fri, 21 Apr 2006 02:42:29 +0000 (UTC) (envelope-from kip.macy@gmail.com) Received: from xproxy.gmail.com (xproxy.gmail.com [66.249.82.192]) by mx1.FreeBSD.org (Postfix) with ESMTP id D059243D73 for ; Fri, 21 Apr 2006 02:42:21 +0000 (GMT) (envelope-from kip.macy@gmail.com) Received: by xproxy.gmail.com with SMTP id s9so217211wxc for ; Thu, 20 Apr 2006 19:42:20 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=HtwYM+TnVsLgzZDHEa5WpkeuLkHX0XBVL6Mbup0nkfjRqw5kphfVoknDGx0wnQUPytHiGsh98OC1rOKLrC+k8kDhXMngf3agJdSRVaH2Uhpz1XXIaOrHCQ23PJh56w/1HaFHcDGuoXyGavasYSnFgZXBrwtzKA75ftx0fF0TIkU= Received: by 10.70.122.5 with SMTP id u5mr1062925wxc; Thu, 20 Apr 2006 19:42:20 -0700 (PDT) Received: by 10.70.72.19 with HTTP; Thu, 20 Apr 2006 19:42:20 -0700 (PDT) Message-ID: Date: Thu, 20 Apr 2006 19:42:20 -0700 From: "Kip Macy" To: "Kris Kennaway" In-Reply-To: <20060420232533.GA32046@xor.obsecurity.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline References: <20060418204240.GA69833@xor.obsecurity.org> <20060420074713.Y52948@hades.admin.frm2> <20060420182331.GA26174@xor.obsecurity.org> <200604210717.22947.davidxu@freebsd.org> <20060420232533.GA32046@xor.obsecurity.org> Cc: Daniel Eischen , freebsd-threads@freebsd.org, David Xu , freebsd-sparc64@freebsd.org Subject: Re: pthread_mutex_timedlock on sparc64 X-BeenThere: freebsd-sparc64@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: kmacy@fsmware.com List-Id: Porting FreeBSD to the Sparc List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 21 Apr 2006 02:42:29 -0000 > > panic: _mtx_lock_sleep: recursed on non-recursive mutex system map @ ..= /../../vm/vm_map.c:2993 > > panic() at panic+0x164 > > _mtx_lock_sleep() at _mtx_lock_sleep+0x40 > > _mtx_lock_flags() at _mtx_lock_flags+0x98 > > _vm_map_lock_read() at _vm_map_lock_read+0x1c > > vm_map_lookup() at vm_map_lookup+0x1c > > vm_fault() at vm_fault+0x68 > > trap_pfault() at trap_pfault+0x1a8 > > trap() at trap+0x2b0 This is a bug in the sparc64 pmap implementation. The kernel shouldn't be taking page faults at this point. -Kip > > -- fast data access mmu miss tar=3D0xe85a6000 %o7=3D0xc02f3b08 -- > > vm_map_entry_splay() at vm_map_entry_splay+0x10 > > vm_map_find() at vm_map_find+0x34 > > kmem_alloc_nofault() at kmem_alloc_nofault+0x44 > > vm_thread_new() at vm_thread_new+0x44 > > thread_init() at thread_init+0x8 > > slab_zalloc() at slab_zalloc+0x264 > > uma_zone_slab() at uma_zone_slab+0x1ac > > uma_zalloc_bucket() at uma_zalloc_bucket+0x1b4 > > uma_zalloc_arg() at uma_zalloc_arg+0x398 > > thread_alloc() at thread_alloc+0x18 > > create_thread() at create_thread+0x78 > > thr_new() at thr_new+0x64 > > syscall() at syscall+0x2dc > > -- syscall (455, FreeBSD ELF64, thr_new) %o7=3D0x40348e7c -- > > It may be a deeper vm problem. > > Kris > > >