From owner-freebsd-alpha@FreeBSD.ORG Wed Mar 17 14:43:27 2004 Return-Path: Delivered-To: freebsd-alpha@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B193216A4CE; Wed, 17 Mar 2004 14:43:27 -0800 (PST) Received: from smtp-out1.xs4all.nl (smtp-out1.xs4all.nl [194.109.24.11]) by mx1.FreeBSD.org (Postfix) with ESMTP id EDB7B43D2D; Wed, 17 Mar 2004 14:43:26 -0800 (PST) (envelope-from wkb@freebie.xs4all.nl) Received: from freebie.xs4all.nl (freebie.xs4all.nl [213.84.32.253]) by smtp-out1.xs4all.nl (8.12.10/8.12.10) with ESMTP id i2HMhP8Q065154; Wed, 17 Mar 2004 23:43:25 +0100 (CET) Received: from freebie.xs4all.nl (localhost [127.0.0.1]) by freebie.xs4all.nl (8.12.10/8.12.9) with ESMTP id i2HMhPTj080115; Wed, 17 Mar 2004 23:43:25 +0100 (CET) (envelope-from wkb@freebie.xs4all.nl) Received: (from wkb@localhost) by freebie.xs4all.nl (8.12.10/8.12.9/Submit) id i2HMhORR080114; Wed, 17 Mar 2004 23:43:24 +0100 (CET) (envelope-from wkb) Date: Wed, 17 Mar 2004 23:43:24 +0100 From: Wilko Bulte To: John Baldwin Message-ID: <20040317224324.GA80099@freebie.xs4all.nl> References: <200403121543.03123.jhb@FreeBSD.org> <20040316164849.GA71626@freebie.xs4all.nl> <20040317072801.GA75715@freebie.xs4all.nl> <200403171122.31121.jhb@FreeBSD.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200403171122.31121.jhb@FreeBSD.org> User-Agent: Mutt/1.4.1i X-OS: FreeBSD 4.9-STABLE X-PGP: finger wilko@freebsd.org cc: alpha@FreeBSD.org Subject: Re: Testers Needed!! X-BeenThere: freebsd-alpha@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Porting FreeBSD to the Alpha List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Mar 2004 22:43:27 -0000 On Wed, Mar 17, 2004 at 11:22:31AM -0500, John Baldwin wrote: > On Wednesday 17 March 2004 02:28 am, Wilko Bulte wrote: > > On Tue, Mar 16, 2004 at 05:48:49PM +0100, Wilko Bulte wrote: > > > On Tue, Mar 16, 2004 at 10:59:04AM -0500, John Baldwin wrote: > > > > On Tuesday 16 March 2004 01:57 am, Wilko Bulte wrote: > > backtrace() at backtrace+0x2c^M > > witness_checkorder() at witness_checkorder+0x6c0^M > > _mtx_lock_flags() at _mtx_lock_flags+0x9c^M > > obj_alloc() at obj_alloc+0x58^M > > slab_zalloc() at slab_zalloc+0xcc^M > > uma_zone_slab() at uma_zone_slab+0x108^M > > uma_zalloc_internal() at uma_zalloc_internal+0x5c^M > > uma_zalloc_arg() at uma_zalloc_arg+0x418^M > > swp_pager_meta_build() at swp_pager_meta_build+0x148^M > > swap_pager_putpages() at swap_pager_putpages+0x380^M > > default_pager_putpages() at default_pager_putpages+0x1c^M > > vm_pageout_flush() at vm_pageout_flush+0x1e0^M > > _end() at 0xfffffc003fade020^M > > prologue botch: displacement 16^M > > panic: > > > > Machine seems to have locked up solid, I cannot get back to the console, > > does not react to a break. It does respond to ping's however. > > Hmm, well, that LOR is a known bogus one. It seems that ddb panic'd trying to > do the backtrace though (tracing off of _end is usually a bad sign). Can you > reproduce any of these problems if you test under load w/o the preemption > patch? With the patch still in I just got: db> trace Debugger() at Debugger+0x38 __panic() at __panic+0x228 sleepq_timeout() at sleepq_timeout+0x10c softclock() at softclock+0x228 ithread_loop() at ithread_loop+0x1a4 fork_exit() at fork_exit+0x100 exception_return() at exception_return --- root of call graph --- db> Sofar I seem to have a set of different footprints. -- Wilko Bulte wilko@FreeBSD.org