From owner-freebsd-mips@FreeBSD.ORG Sun Apr 28 23:32:28 2013 Return-Path: Delivered-To: freebsd-mips@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 99360C3E for ; Sun, 28 Apr 2013 23:32:28 +0000 (UTC) (envelope-from lists@rewt.org.uk) Received: from hosted.mx.as41113.net (hosted.mx.as41113.net [91.208.177.22]) by mx1.freebsd.org (Postfix) with ESMTP id 5F34C1B83 for ; Sun, 28 Apr 2013 23:32:27 +0000 (UTC) Received: from [172.16.9.23] (bella.stf.rewt.org.uk [91.208.177.62]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: lists@rewt.org.uk) by hosted.mx.as41113.net (Postfix) with ESMTPSA id 3ZzQJh0gRkzZ0; Mon, 29 Apr 2013 00:32:19 +0100 (BST) Message-ID: <517DB179.3020001@rewt.org.uk> Date: Mon, 29 Apr 2013 00:32:09 +0100 From: Joe Holden User-Agent: Thunderbird 2.0.0.24 (Windows/20100228) MIME-Version: 1.0 To: Warner Losh Subject: Re: kern/177876: [mips] kernel stack overflow panic on mips64, EdgeRouter Lite References: <201304220300.r3M301iY093070@freefall.freebsd.org> <51753506.3070901@rewt.org.uk> <5176FB36.2070809@rewt.org.uk> <163C6DC2-D817-4176-BE96-ACAA56BD8F87@bsdimp.com> <51781614.1060306@rewt.org.uk> <1D07B1F7-A91A-49F4-80C6-7696F457EC74@bsdimp.com> <51788F5B.2000905@rewt.org.uk> In-Reply-To: <51788F5B.2000905@rewt.org.uk> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Joe Holden , "freebsd-mips@FreeBSD.org" X-BeenThere: freebsd-mips@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Porting FreeBSD to MIPS List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 28 Apr 2013 23:32:28 -0000 Joe Holden wrote: > Warner Losh wrote: >> On Apr 24, 2013, at 11:27 AM, Joe Holden wrote: >> >>> Warner Losh wrote: >>>> On Apr 23, 2013, at 3:20 PM, Joe Holden wrote: >>>>> Warner Losh wrote: >>>>>> I just committed r249790 which makes everything match. >>>>>> On Apr 22, 2013, at 2:29 PM, Juli Mallett wrote: >>>>>>> On Mon, Apr 22, 2013 at 1:27 PM, Warner Losh wrote: >>>>>>>> It sure looks like you are right... I have a full new tree >>>>>>>> building just to make sure... :( >>>>>>>> >>>>>>>> Then again, it would be useful to document where these >>>>>>>> dependencies lie to help prevent others from tripping over this >>>>>>>> in the future :( >>>>>>> We should use genassym to generate trapframe offsets instead of >>>>>>> having >>>>>>> hand-coded defines for these, perhaps? I haven't thought it through >>>>>>> very fully, but that seems a lot better. >>>>>> I'll look into this... >>>>>> Warner >>>>> I rebuilt just the kernel but the same problem persists - started >>>>> building world and I'm seeing: >>>>> >>>>> /usr/src/gnu/usr.bin/gdb/kgdb/trgt_mips.c:122: error: 'struct >>>>> trapframe' has no member named 't4' >>>>> >>>>> and so on, have just commented them out for now so it completes, >>>>> may just be left overs from previous build - may be getting >>>>> confused :) >>>> You can just rebuild the kernel (I'll fix the kgdb stuff, I didn't >>>> see that when I built the world for some reason). >>>> Please try this patch to see if this fixes it. >>>> Warner >>> So far so good, boots into multiuser - will give it a thrashing and >>> see if I can make it break :) >> >> Thanks Joe. I'll go ahead and commit it then and work on a longer >> term solution. >> >> Warner >> > Excellent, still seeing trapframe panics under cpu load but it's at > least usable! > > I'll let you get on with fiddling now :) > > Cheers 12 hours into a buildworld and it's still good, looks like whatever buliding nano does to upset it hasn't happened yet! Joe