From owner-freebsd-alpha@FreeBSD.ORG Tue Mar 16 08:48:52 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 9EB6C16A4CE; Tue, 16 Mar 2004 08:48:52 -0800 (PST) Received: from smtp-out2.xs4all.nl (smtp-out2.xs4all.nl [194.109.24.12]) by mx1.FreeBSD.org (Postfix) with ESMTP id D69D643D2F; Tue, 16 Mar 2004 08:48:51 -0800 (PST) (envelope-from wkb@freebie.xs4all.nl) Received: from freebie.xs4all.nl (freebie.xs4all.nl [213.84.32.253]) by smtp-out2.xs4all.nl (8.12.10/8.12.10) with ESMTP id i2GGmoaS075112; Tue, 16 Mar 2004 17:48:50 +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 i2GGmoTj071646; Tue, 16 Mar 2004 17:48:50 +0100 (CET) (envelope-from wkb@freebie.xs4all.nl) Received: (from wkb@localhost) by freebie.xs4all.nl (8.12.10/8.12.9/Submit) id i2GGmoFd071645; Tue, 16 Mar 2004 17:48:50 +0100 (CET) (envelope-from wkb) Date: Tue, 16 Mar 2004 17:48:49 +0100 From: Wilko Bulte To: John Baldwin Message-ID: <20040316164849.GA71626@freebie.xs4all.nl> References: <200403121543.03123.jhb@FreeBSD.org> <20040315231809.GA39847@freebie.xs4all.nl> <20040316065710.GA68934@freebie.xs4all.nl> <200403161059.04115.jhb@FreeBSD.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200403161059.04115.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: Tue, 16 Mar 2004 16:48:52 -0000 On Tue, Mar 16, 2004 at 10:59:04AM -0500, John Baldwin wrote: > On Tuesday 16 March 2004 01:57 am, Wilko Bulte wrote: > > uma_zalloc_arg() at uma_zalloc_arg+0x418 > > swp_pager_meta_build() at swp_pager_meta_build+0x148 > > swap_pager_putpages() at swap_pager_putpages+0x380 > > default_pager_putpages() at default_pager_putpages+0x1c > > vm_pageout_flush() at vm_pageout_flush+0x1e0 > > panic: pmap_emulate_reference(0xfffffc001fdc0290, 0x1606f8000, 1, 0): pa > > 0x0 not > > managed > > at line 2573 in file ../../../alpha/alpha/pmap.c > > cpuid = 0; > > panic > > Stopped at Debugger+0x38: zapnot v0,#0xf,v0 > > db> > > db> > > > > This was running a make -j32 > > This has been reported recently on the list w/o preemption, so I don't think > preemption is the problem here. The specific problem I saw with preemption > on the past only happened on SMP and was a hard hang. The DS20 I was using > never lasted more than a day doing a loop of buildworld -j 32 or so. In > fact, I don't think it even finished a -j 32 buildworld but I could be wrong > (it's been a while). UP never had problems, it is really the SMP case that > my extra changes address and that needs testing. This bug (pmap one) also > needs fixing, but I don't think it is preemption related and I'm not sure > what the bug is, though it appears maybe that you got a read fault on a page > that was just swapped out perhaps? Could be. The system has 1GB of RAM, dunno about the swap. I'll set the -j somewhat lower to see if it continus to run with less load. -- Wilko Bulte wilko@FreeBSD.org