From owner-freebsd-tilera@FreeBSD.ORG Tue Jan 31 09:26:53 2012 Return-Path: Delivered-To: freebsd-tilera@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 34B73106564A for ; Tue, 31 Jan 2012 09:26:53 +0000 (UTC) (envelope-from mark@exonetric.com) Received: from relay0.exonetric.net (relay0.exonetric.net [82.138.248.161]) by mx1.freebsd.org (Postfix) with ESMTP id EFDC68FC12 for ; Tue, 31 Jan 2012 09:26:52 +0000 (UTC) Received: from miami.exonetric.net (miami.exonetric.net [82.138.248.154]) by relay0.exonetric.net (Postfix) with ESMTP id 48D1657007 for ; Tue, 31 Jan 2012 08:56:08 +0000 (GMT) Date: Tue, 31 Jan 2012 08:56:07 +0000 (GMT) From: Mark Blackman X-X-Sender: mb@miami.exonetric.net To: freebsd-tilera@freebsd.org Message-ID: User-Agent: Alpine 2.00 (BSF 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; format=flowed; charset=US-ASCII Subject: ping X-BeenThere: freebsd-tilera@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: List for porting FreeBSD to the Tilera family of CPUs List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 31 Jan 2012 09:26:53 -0000 Anyone still working on the FreeBSD port for Tilera? Perhaps 2011 was very productive but very stealthy! Cheers, Mark From owner-freebsd-tilera@FreeBSD.ORG Tue Jan 31 14:22:20 2012 Return-Path: Delivered-To: freebsd-tilera@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 7A495106566C for ; Tue, 31 Jan 2012 14:22:20 +0000 (UTC) (envelope-from mark@exonetric.com) Received: from relay0.exonetric.net (relay0.exonetric.net [82.138.248.161]) by mx1.freebsd.org (Postfix) with ESMTP id 430368FC08 for ; Tue, 31 Jan 2012 14:22:19 +0000 (UTC) Received: from miami.exonetric.net (miami.exonetric.net [82.138.248.154]) by relay0.exonetric.net (Postfix) with ESMTP id 0E85857007; Tue, 31 Jan 2012 14:22:19 +0000 (GMT) Date: Tue, 31 Jan 2012 14:22:18 +0000 (GMT) From: Mark Blackman X-X-Sender: mb@miami.exonetric.net To: Chris Metcalf In-Reply-To: <4F27F7DF.6060005@tilera.com> Message-ID: References: <4F27F7DF.6060005@tilera.com> User-Agent: Alpine 2.00 (BSF 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: freebsd-tilera@freebsd.org Subject: Re: ping X-BeenThere: freebsd-tilera@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: List for porting FreeBSD to the Tilera family of CPUs List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 31 Jan 2012 14:22:20 -0000 On Tue, 31 Jan 2012, Chris Metcalf wrote: > On 1/31/2012 3:56 AM, Mark Blackman wrote: >> Anyone still working on the FreeBSD port for Tilera? Perhaps 2011 >> was very productive but very stealthy! > > Let's hope so - but I haven't heard anything about it either. :-) Hmm, so Tilera isn't pursuing this? The messages from 2010 suggested Tilera engineers were doing something, but perhaps they were looking for more FreeBSD involvement. - Mark From owner-freebsd-tilera@FreeBSD.ORG Tue Jan 31 14:27:44 2012 Return-Path: Delivered-To: freebsd-tilera@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1E183106566C for ; Tue, 31 Jan 2012 14:27:44 +0000 (UTC) (envelope-from cmetcalf@tilera.com) Received: from USMAMAIL.TILERA.COM (usmamail.tilera.com [206.83.70.75]) by mx1.freebsd.org (Postfix) with ESMTP id D5F438FC19 for ; Tue, 31 Jan 2012 14:27:43 +0000 (UTC) Received: from [192.168.1.104] (24.34.76.130) by USMAExch2.tad.internal.tilera.com (10.3.0.33) with Microsoft SMTP Server id 14.0.694.0; Tue, 31 Jan 2012 09:17:04 -0500 Message-ID: <4F27F7DF.6060005@tilera.com> Date: Tue, 31 Jan 2012 09:17:03 -0500 From: Chris Metcalf User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:9.0) Gecko/20111222 Thunderbird/9.0.1 MIME-Version: 1.0 To: Mark Blackman References: In-Reply-To: X-Enigmail-Version: 1.3.5 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Cc: freebsd-tilera@freebsd.org Subject: Re: ping X-BeenThere: freebsd-tilera@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: List for porting FreeBSD to the Tilera family of CPUs List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 31 Jan 2012 14:27:44 -0000 On 1/31/2012 3:56 AM, Mark Blackman wrote: > Anyone still working on the FreeBSD port for Tilera? Perhaps 2011 > was very productive but very stealthy! Let's hope so - but I haven't heard anything about it either. :-) -- Chris Metcalf, Tilera Corp. http://www.tilera.com From owner-freebsd-tilera@FreeBSD.ORG Tue Jan 31 14:28:16 2012 Return-Path: Delivered-To: freebsd-tilera@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B1040106566B for ; Tue, 31 Jan 2012 14:28:16 +0000 (UTC) (envelope-from cmetcalf@tilera.com) Received: from USMAMAIL.TILERA.COM (usmamail.tilera.com [206.83.70.75]) by mx1.freebsd.org (Postfix) with ESMTP id 726A18FC12 for ; Tue, 31 Jan 2012 14:28:16 +0000 (UTC) Received: from [192.168.1.104] (24.34.76.130) by USMAExch2.tad.internal.tilera.com (10.3.0.33) with Microsoft SMTP Server id 14.0.694.0; Tue, 31 Jan 2012 09:28:15 -0500 Message-ID: <4F27FA7B.3050306@tilera.com> Date: Tue, 31 Jan 2012 09:28:11 -0500 From: Chris Metcalf User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:9.0) Gecko/20111222 Thunderbird/9.0.1 MIME-Version: 1.0 To: Mark Blackman References: <4F27F7DF.6060005@tilera.com> In-Reply-To: X-Enigmail-Version: 1.3.5 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Cc: freebsd-tilera@freebsd.org Subject: Re: ping X-BeenThere: freebsd-tilera@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: List for porting FreeBSD to the Tilera family of CPUs List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 31 Jan 2012 14:28:16 -0000 On 1/31/2012 9:22 AM, Mark Blackman wrote: > On Tue, 31 Jan 2012, Chris Metcalf wrote: > >> On 1/31/2012 3:56 AM, Mark Blackman wrote: >>> Anyone still working on the FreeBSD port for Tilera? Perhaps 2011 >>> was very productive but very stealthy! >> >> Let's hope so - but I haven't heard anything about it either. :-) > > Hmm, so Tilera isn't pursuing this? The messages from 2010 suggested > Tilera engineers were doing something, but perhaps they were looking > for more FreeBSD involvement. My understanding (from a purely engineering perspective) is that we are prepared to support a FreeBSD port, but we are not currently planning to drive the port ourselves. -- Chris Metcalf, Tilera Corp. http://www.tilera.com From owner-freebsd-tilera@FreeBSD.ORG Tue Jan 31 14:39:38 2012 Return-Path: Delivered-To: freebsd-tilera@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1FDAC106566B for ; Tue, 31 Jan 2012 14:39:38 +0000 (UTC) (envelope-from mark@exonetric.com) Received: from relay0.exonetric.net (relay0.exonetric.net [82.138.248.161]) by mx1.freebsd.org (Postfix) with ESMTP id DCFB38FC16 for ; Tue, 31 Jan 2012 14:39:37 +0000 (UTC) Received: from miami.exonetric.net (miami.exonetric.net [82.138.248.154]) by relay0.exonetric.net (Postfix) with ESMTP id 3D0D457007; Tue, 31 Jan 2012 14:39:37 +0000 (GMT) Date: Tue, 31 Jan 2012 14:39:36 +0000 (GMT) From: Mark Blackman X-X-Sender: mb@miami.exonetric.net To: Chris Metcalf In-Reply-To: <4F27FA7B.3050306@tilera.com> Message-ID: References: <4F27F7DF.6060005@tilera.com> <4F27FA7B.3050306@tilera.com> User-Agent: Alpine 2.00 (BSF 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: freebsd-tilera@freebsd.org Subject: Re: ping X-BeenThere: freebsd-tilera@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: List for porting FreeBSD to the Tilera family of CPUs List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 31 Jan 2012 14:39:38 -0000 On Tue, 31 Jan 2012, Chris Metcalf wrote: > On 1/31/2012 9:22 AM, Mark Blackman wrote: >> On Tue, 31 Jan 2012, Chris Metcalf wrote: >> >>> On 1/31/2012 3:56 AM, Mark Blackman wrote: >>>> Anyone still working on the FreeBSD port for Tilera? Perhaps 2011 >>>> was very productive but very stealthy! >>> >>> Let's hope so - but I haven't heard anything about it either. :-) >> >> Hmm, so Tilera isn't pursuing this? The messages from 2010 suggested >> Tilera engineers were doing something, but perhaps they were looking >> for more FreeBSD involvement. > > My understanding (from a purely engineering perspective) is that we are > prepared to support a FreeBSD port, but we are not currently planning to > drive the port ourselves. Ok, fair enough. I wonder if the foundation would be prepared to fund dedicated effort on porting. I've only just belatedly appreciated how much more useful Tilera's application targets (64-bit + FP performance) are compared to ARM. - Mark From owner-freebsd-tilera@FreeBSD.ORG Tue Jan 31 14:55:04 2012 Return-Path: Delivered-To: freebsd-tilera@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 93BCE1065670 for ; Tue, 31 Jan 2012 14:55:04 +0000 (UTC) (envelope-from cmetcalf@tilera.com) Received: from USMAMAIL.TILERA.COM (usmamail.tilera.com [206.83.70.75]) by mx1.freebsd.org (Postfix) with ESMTP id 47C388FC12 for ; Tue, 31 Jan 2012 14:55:04 +0000 (UTC) Received: from [192.168.1.104] (24.34.76.130) by USMAExch2.tad.internal.tilera.com (10.3.0.33) with Microsoft SMTP Server id 14.0.694.0; Tue, 31 Jan 2012 09:55:03 -0500 Message-ID: <4F2800C6.1000307@tilera.com> Date: Tue, 31 Jan 2012 09:55:02 -0500 From: Chris Metcalf User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:9.0) Gecko/20111222 Thunderbird/9.0.1 MIME-Version: 1.0 To: Mark Blackman References: <4F27F7DF.6060005@tilera.com> <4F27FA7B.3050306@tilera.com> In-Reply-To: X-Enigmail-Version: 1.3.5 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Cc: freebsd-tilera@freebsd.org Subject: Re: ping X-BeenThere: freebsd-tilera@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: List for porting FreeBSD to the Tilera family of CPUs List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 31 Jan 2012 14:55:04 -0000 On 1/31/2012 9:39 AM, Mark Blackman wrote: > On Tue, 31 Jan 2012, Chris Metcalf wrote: > >> On 1/31/2012 9:22 AM, Mark Blackman wrote: >>> On Tue, 31 Jan 2012, Chris Metcalf wrote: >>> >>>> On 1/31/2012 3:56 AM, Mark Blackman wrote: >>>>> Anyone still working on the FreeBSD port for Tilera? Perhaps 2011 >>>>> was very productive but very stealthy! >>>> >>>> Let's hope so - but I haven't heard anything about it either. :-) >>> >>> Hmm, so Tilera isn't pursuing this? The messages from 2010 suggested >>> Tilera engineers were doing something, but perhaps they were looking >>> for more FreeBSD involvement. >> >> My understanding (from a purely engineering perspective) is that we are >> prepared to support a FreeBSD port, but we are not currently planning to >> drive the port ourselves. > > Ok, fair enough. I wonder if the foundation would be prepared to fund > dedicated effort on porting. I've only just belatedly appreciated how much > more useful Tilera's application targets (64-bit + FP performance) are > compared to ARM. Indeed :-) Some work was going on at CMU under David Eckhardt, but I'm not sure how much progress they made. -- Chris Metcalf, Tilera Corp. http://www.tilera.com From owner-freebsd-tilera@FreeBSD.ORG Tue Jan 31 15:34:56 2012 Return-Path: Delivered-To: freebsd-tilera@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 85F76106564A for ; Tue, 31 Jan 2012 15:34:56 +0000 (UTC) (envelope-from jhferris3@gmail.com) Received: from mail-iy0-f182.google.com (mail-iy0-f182.google.com [209.85.210.182]) by mx1.freebsd.org (Postfix) with ESMTP id 4CDAC8FC18 for ; Tue, 31 Jan 2012 15:34:56 +0000 (UTC) Received: by iaeo4 with SMTP id o4so193604iae.13 for ; Tue, 31 Jan 2012 07:34:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=+Cf52sBusnKFF7UARL3lTNfU65Myy7b8+AcnCfILSkM=; b=Xl98lZyPqq0ggRinZSKpF39mfWiXUz8gCfDtuKptj5WX+rTU/jUaAqK80GwTOuyyLe dR8j3DI6DPcf4VDKrsWmrwxyWi1hsrX2urEJ9P26HSH+4qhYBnICTjSPAu9WX1Tb+M9P jo+vZz+wjdaXcz7O5V6f6pxDG02HloBcm0k5g= MIME-Version: 1.0 Received: by 10.50.15.230 with SMTP id a6mr2561923igd.24.1328022765560; Tue, 31 Jan 2012 07:12:45 -0800 (PST) Received: by 10.43.126.3 with HTTP; Tue, 31 Jan 2012 07:12:45 -0800 (PST) In-Reply-To: <4F2800C6.1000307@tilera.com> References: <4F27F7DF.6060005@tilera.com> <4F27FA7B.3050306@tilera.com> <4F2800C6.1000307@tilera.com> Date: Tue, 31 Jan 2012 07:12:45 -0800 Message-ID: From: Jack Ferris To: Chris Metcalf , "mischnal@andrew.cmu.edu" , David.Eckhardt@cs.cmu.edu Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-tilera@freebsd.org Subject: Re: ping X-BeenThere: freebsd-tilera@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: List for porting FreeBSD to the Tilera family of CPUs List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 31 Jan 2012 15:34:56 -0000 Matthew Schnall and I attempted to start porting it over in the fall 2010 semester, and I think we got as far as setting up a build target with a semblance of proper linker scripts and we were able to turn on virtual memory *just* enough to not fall over. I was under the impression that our work got tarred up and sent to tilera or something (We've both since graduated). To be perfectly honest, neither of us had any particular experience with kernel build systems or the tilera architecture, so I'm sure someone who had better knowledge of either could probably replicate our work in a couple of days time. In any case, looping in Dave to figure out where the code may have gotten to/if any other students picked up the work. -Jack On Tue, Jan 31, 2012 at 6:55 AM, Chris Metcalf wrote: > On 1/31/2012 9:39 AM, Mark Blackman wrote: > > On Tue, 31 Jan 2012, Chris Metcalf wrote: > > > >> On 1/31/2012 9:22 AM, Mark Blackman wrote: > >>> On Tue, 31 Jan 2012, Chris Metcalf wrote: > >>> > >>>> On 1/31/2012 3:56 AM, Mark Blackman wrote: > >>>>> Anyone still working on the FreeBSD port for Tilera? Perhaps 2011 > >>>>> was very productive but very stealthy! > >>>> > >>>> Let's hope so - but I haven't heard anything about it either. :-) > >>> > >>> Hmm, so Tilera isn't pursuing this? The messages from 2010 suggested > >>> Tilera engineers were doing something, but perhaps they were looking > >>> for more FreeBSD involvement. > >> > >> My understanding (from a purely engineering perspective) is that we are > >> prepared to support a FreeBSD port, but we are not currently planning to > >> drive the port ourselves. > > > > Ok, fair enough. I wonder if the foundation would be prepared to fund > > dedicated effort on porting. I've only just belatedly appreciated how > much > > more useful Tilera's application targets (64-bit + FP performance) are > > compared to ARM. > > Indeed :-) > > Some work was going on at CMU under David Eckhardt, but I'm not sure how > much progress they made. > > -- > Chris Metcalf, Tilera Corp. > http://www.tilera.com > > _______________________________________________ > freebsd-tilera@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-tilera > To unsubscribe, send any mail to "freebsd-tilera-unsubscribe@freebsd.org" > From owner-freebsd-tilera@FreeBSD.ORG Tue Jan 31 18:07:10 2012 Return-Path: Delivered-To: freebsd-tilera@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8DCE1106566B for ; Tue, 31 Jan 2012 18:07:10 +0000 (UTC) (envelope-from David.Eckhardt@cs.cmu.edu) Received: from smtp02.srv.cs.cmu.edu (SMTP02.SRV.CS.CMU.EDU [128.2.217.197]) by mx1.freebsd.org (Postfix) with ESMTP id 850908FC13 for ; Tue, 31 Jan 2012 18:07:09 +0000 (UTC) Received: from webmail.cs.cmu.edu (TOMENTOSA.SRV.CS.CMU.EDU [128.2.172.30]) by smtp02.srv.cs.cmu.edu (8.13.6/8.13.6) with ESMTP id q0VH0LuC026511; Tue, 31 Jan 2012 12:00:21 -0500 (EST) Received: from 66.93.172.91 (SquirrelMail authenticated user davide/mail@CS.CMU.EDU) by webmail.cs.cmu.edu with HTTP; Tue, 31 Jan 2012 12:00:22 -0500 (EST) Message-ID: <52384.66.93.172.91.1328029222.squirrel@webmail.cs.cmu.edu> In-Reply-To: References: <4F27F7DF.6060005@tilera.com> <4F27FA7B.3050306@tilera.com> <4F2800C6.1000307@tilera.com> Date: Tue, 31 Jan 2012 12:00:22 -0500 (EST) From: "David Eckhardt" To: "Jack Ferris" User-Agent: SquirrelMail/1.5.1 MIME-Version: 1.0 Content-Type: text/plain;charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Scanned-By: mimedefang-cmuscs on 128.2.217.197 Cc: david.eckhardt@cs.cmu.edu, freebsd-tilera@freebsd.org, Chris Metcalf , abrestic@andrew.cmu.edu, "mischnal@andrew.cmu.edu" Subject: Re: ping X-BeenThere: freebsd-tilera@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: List for porting FreeBSD to the Tilera family of CPUs List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 31 Jan 2012 18:07:10 -0000 >>>>>> On 1/31/2012 3:56 AM, Mark Blackman wrote: >>>>>> >>>>>>> Anyone still working on the FreeBSD port for Tilera? >>>>>>> Perhaps 2011 was very productive but very stealthy! Andrew Bresticker did a bunch more work last semester. The pmap module is in vastly better shape (I think it's as done as it can be until it can be exercised with actual load). When the clock ran out Andrew was trying to debug some odd problem with the root file system image which was standing in the way of launching an init. Andrew? Dave Eckhardt From owner-freebsd-tilera@FreeBSD.ORG Tue Jan 31 18:55:20 2012 Return-Path: Delivered-To: freebsd-tilera@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id CF5951065670 for ; Tue, 31 Jan 2012 18:55:20 +0000 (UTC) (envelope-from abrestic@andrew.cmu.edu) Received: from smtp.andrew.cmu.edu (SMTP.ANDREW.CMU.EDU [128.2.11.61]) by mx1.freebsd.org (Postfix) with ESMTP id 779DB8FC12 for ; Tue, 31 Jan 2012 18:55:19 +0000 (UTC) Received: from webmail.andrew.cmu.edu (WEBMAIL-10.ANDREW.CMU.EDU [128.2.10.149]) (user=abrestic mech=GSSAPI (56 bits)) by smtp.andrew.cmu.edu (8.14.4/8.14.4) with ESMTP id q0VIagnB005235; Tue, 31 Jan 2012 13:36:42 -0500 Received: from 128.2.42.4 (proxying for 128.237.250.145) (SquirrelMail authenticated user abrestic@andrew.cmu.edu) by webmail.andrew.cmu.edu with HTTP; Tue, 31 Jan 2012 13:36:42 -0500 Message-ID: <2f2c42e720af68237c25efd885072606.squirrel@webmail.andrew.cmu.edu> In-Reply-To: <52384.66.93.172.91.1328029222.squirrel@webmail.cs.cmu.edu> References: <4F27F7DF.6060005@tilera.com> <4F27FA7B.3050306@tilera.com> <4F2800C6.1000307@tilera.com> <52384.66.93.172.91.1328029222.squirrel@webmail.cs.cmu.edu> Date: Tue, 31 Jan 2012 13:36:42 -0500 From: "Andrew Bresticker" To: "David Eckhardt" User-Agent: SquirrelMail/1.4.22 MIME-Version: 1.0 Content-Type: text/plain;charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Priority: 3 (Normal) Importance: Normal X-PMX-Version: 5.5.9.388399, Antispam-Engine: 2.7.2.376379, Antispam-Data: 2011.3.18.170322 X-SMTP-Spam-Clean: 11% ( PRIORITY_NO_NAME 0.716, BODYTEXTP_SIZE_3000_LESS 0, BODY_SIZE_1000_LESS 0, BODY_SIZE_2000_LESS 0, BODY_SIZE_400_499 0, BODY_SIZE_5000_LESS 0, BODY_SIZE_7000_LESS 0, WEBMAIL_SOURCE 0, WEBMAIL_USER_AGENT 0, __BOUNCE_CHALLENGE_SUBJ 0, __BOUNCE_NDR_SUBJ_EXEMPT 0, __CP_MEDIA_BODY 0, __CT 0, __CTE 0, __CT_TEXT_PLAIN 0, __HAS_MSGID 0, __HAS_X_PRIORITY 0, __MIME_TEXT_ONLY 0, __MIME_VERSION 0, __PHISH_SPEAR_HTTP_RECEIVED 0, __PHISH_SPEAR_REASONS 0, __PHISH_SPEAR_STRUCTURE_1 0, __PHISH_SPEAR_STRUCTURE_2 0, __SANE_MSGID 0, __TO_MALFORMED_2 0, __USER_AGENT 0) X-SMTP-Spam-Score: 11% X-Scanned-By: MIMEDefang 2.60 on 128.2.11.61 Cc: david.eckhardt@cs.cmu.edu, freebsd-tilera@freebsd.org, Chris Metcalf , "mischnal@andrew.cmu.edu" Subject: Re: ping X-BeenThere: freebsd-tilera@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: List for porting FreeBSD to the Tilera family of CPUs List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 31 Jan 2012 18:55:20 -0000 > When the clock ran out Andrew was trying to debug some odd > problem with the root file system image which was standing > in the way of launching an init. This is still an issue. While tracking this down, I encountered a separate VM-related bug where a non-page-aligned mapping was created and then removed. I think it might be related to the directory entry corruption that I observed, but I'm not completely sure yet. -Andrew From owner-freebsd-tilera@FreeBSD.ORG Wed Feb 1 14:01:19 2012 Return-Path: Delivered-To: freebsd-tilera@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B0A511065675 for ; Wed, 1 Feb 2012 14:01:19 +0000 (UTC) (envelope-from mark@exonetric.com) Received: from relay0.exonetric.net (relay0.exonetric.net [82.138.248.161]) by mx1.freebsd.org (Postfix) with ESMTP id 6D6298FC18 for ; Wed, 1 Feb 2012 14:01:19 +0000 (UTC) Received: from [172.16.0.163] (94-30-105-106.xdsl.murphx.net [94.30.105.106]) by relay0.exonetric.net (Postfix) with ESMTP id 847FB57232; Wed, 1 Feb 2012 14:01:18 +0000 (GMT) Mime-Version: 1.0 (Apple Message framework v1251.1) Content-Type: text/plain; charset=iso-8859-1 From: Mark Blackman X-Priority: 3 (Normal) In-Reply-To: <2f2c42e720af68237c25efd885072606.squirrel@webmail.andrew.cmu.edu> Date: Wed, 1 Feb 2012 14:01:17 +0000 Content-Transfer-Encoding: quoted-printable Message-Id: <359B2833-B083-4272-9417-09BAFB97547C@exonetric.com> References: <4F27F7DF.6060005@tilera.com> <4F27FA7B.3050306@tilera.com> <4F2800C6.1000307@tilera.com> <52384.66.93.172.91.1328029222.squirrel@webmail.cs.cmu.edu> <2f2c42e720af68237c25efd885072606.squirrel@webmail.andrew.cmu.edu> To: Andrew Bresticker X-Mailer: Apple Mail (2.1251.1) Cc: David Eckhardt , "mischnal@andrew.cmu.edu" , freebsd-tilera@freebsd.org, Chris Metcalf Subject: Re: ping X-BeenThere: freebsd-tilera@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: List for porting FreeBSD to the Tilera family of CPUs List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 01 Feb 2012 14:01:19 -0000 On 31 Jan 2012, at 18:36, Andrew Bresticker wrote: >=20 >> When the clock ran out Andrew was trying to debug some odd >> problem with the root file system image which was standing >> in the way of launching an init. >=20 > This is still an issue. While tracking this down, I encountered a > separate VM-related bug where a non-page-aligned mapping was created = and > then removed. I think it might be related to the directory entry > corruption that I observed, but I'm not completely sure yet. Thanks, I guess it sounds like you might still be putting a bit of=20 time into it. I guess you've got a Quanta server to test against? I sent a quick email to the FreeBSD foundation and Robert Watson = suggested someone from Tilera, Chris?, should come to brief the FreeBSD developer = summit in=20 Ottawa this year and they would like interested students/faculty=20 from CMU to attend as well to give a talk about their work, in = particular, progress, motivations, and obstacles,=20 The developer summit would be held just after or just before BSDCan in = this case, http://www.bsdcan.org/2012/ The Tilera boards appeal to me a way of breaking the x86 stranglehold on servers as they're still so power hungry. I've got a feeling ARM is = going to take a long time to penetrate the server market, but Tilera is = aggressively attacking it. Cheers, Mark=