From owner-freebsd-sparc64@FreeBSD.ORG Wed Jun 29 02:54:43 2011 Return-Path: Delivered-To: freebsd-sparc64@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B134E106564A for ; Wed, 29 Jun 2011 02:54:43 +0000 (UTC) (envelope-from peterjeremy@acm.org) Received: from mail18.syd.optusnet.com.au (mail18.syd.optusnet.com.au [211.29.132.199]) by mx1.freebsd.org (Postfix) with ESMTP id 402F68FC0C for ; Wed, 29 Jun 2011 02:54:42 +0000 (UTC) Received: from server.vk2pj.dyndns.org (c220-239-116-103.belrs4.nsw.optusnet.com.au [220.239.116.103]) by mail18.syd.optusnet.com.au (8.13.1/8.13.1) with ESMTP id p5T2sZ6q018678 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 29 Jun 2011 12:54:37 +1000 X-Bogosity: Ham, spamicity=0.000000 Received: from server.vk2pj.dyndns.org (localhost.vk2pj.dyndns.org [127.0.0.1]) by server.vk2pj.dyndns.org (8.14.4/8.14.4) with ESMTP id p5T2sYsp048172; Wed, 29 Jun 2011 12:54:34 +1000 (EST) (envelope-from peter@server.vk2pj.dyndns.org) Received: (from peter@localhost) by server.vk2pj.dyndns.org (8.14.4/8.14.4/Submit) id p5T2sY8Y048171; Wed, 29 Jun 2011 12:54:34 +1000 (EST) (envelope-from peter) Date: Wed, 29 Jun 2011 12:54:33 +1000 From: Peter Jeremy To: Marius Strobl Message-ID: <20110629025433.GA48145@server.vk2pj.dyndns.org> References: <20110526234728.GA69750@server.vk2pj.dyndns.org> <20110527120659.GA78000@alchemy.franken.de> <20110601231237.GA5267@server.vk2pj.dyndns.org> <20110608224801.GB35494@alchemy.franken.de> <20110613235144.GA12470@server.vk2pj.dyndns.org> <20110615233445.GZ7064@alchemy.franken.de> <20110619220033.GA61397@server.vk2pj.dyndns.org> <20110622100524.GO14797@alchemy.franken.de> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="k1lZvvs/B4yU6o8G" Content-Disposition: inline In-Reply-To: <20110622100524.GO14797@alchemy.franken.de> X-PGP-Key: http://members.optusnet.com.au/peterjeremy/pubkey.asc User-Agent: Mutt/1.5.21 (2010-09-15) Cc: freebsd-sparc64@freebsd.org Subject: Re: 'make -j16 universe' gives SIReset X-BeenThere: freebsd-sparc64@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Porting FreeBSD to the Sparc List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 29 Jun 2011 02:54:43 -0000 --k1lZvvs/B4yU6o8G Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 2011-Jun-22 12:05:24 +0200, Marius Strobl wr= ote: >Okay, given that it considerably improves the situation though I >suspect that the problem is that we instantly begin to fault on >kernel mappings once we flush all unlocked TLB entries in order >to get rid of the user mappings, which in case of cpu_switch() >still is covered by sched_lock. That would mean that we should use >a fine grained approach instead as the current one doesn't behave/ >scale well even if sched_lock wasn't be (ab)used here. Could you >please give the following patch a try on top of what you already >have? >http://people.freebsd.org/~marius/sparc64_flush_user_no_sledgehammer.diff My V890 has been running "make -j32 buildworld" in a loop for a week now without problems so I think that was the problem. --=20 Peter Jeremy --k1lZvvs/B4yU6o8G Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.17 (FreeBSD) iEYEARECAAYFAk4Kk+kACgkQ/opHv/APuIcC4wCfQcxFObwVz786CmmvZdJH7pGW fhwAnj+MJmPN7HEIa4lfj0cWbt6kRCGN =DPN7 -----END PGP SIGNATURE----- --k1lZvvs/B4yU6o8G--