From owner-freebsd-stable@FreeBSD.ORG Mon Oct 26 13:38:05 2009 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1DFD71065693 for ; Mon, 26 Oct 2009 13:38:05 +0000 (UTC) (envelope-from jacob@whotookspaz.org) Received: from mail-yx0-f103.google.com (mail-yx0-f103.google.com [209.85.210.103]) by mx1.freebsd.org (Postfix) with ESMTP id CBB5D8FC0A for ; Mon, 26 Oct 2009 13:38:04 +0000 (UTC) Received: by yxe1 with SMTP id 1so469711yxe.3 for ; Mon, 26 Oct 2009 06:38:04 -0700 (PDT) Received: by 10.101.5.22 with SMTP id h22mr9098518ani.186.1256564284046; Mon, 26 Oct 2009 06:38:04 -0700 (PDT) Received: from kusanagi.whotookspaz.org (adsl-153-199-151.jax.bellsouth.net [70.153.199.151]) by mx.google.com with ESMTPS id 23sm1359304yxe.0.2009.10.26.06.38.01 (version=TLSv1/SSLv3 cipher=RC4-MD5); Mon, 26 Oct 2009 06:38:02 -0700 (PDT) Message-ID: <4AE5A631.1030607@whotookspaz.org> Date: Mon, 26 Oct 2009 09:37:53 -0400 From: Jacob Myers User-Agent: Thunderbird 2.0.0.23 (X11/20090901) MIME-Version: 1.0 To: Arnaud Houdelette References: <4AE2232E.10406@whotookspaz.org> <4AE59FBE.6060904@tzim.net> In-Reply-To: <4AE59FBE.6060904@tzim.net> X-Enigmail-Version: 0.95.7 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig39275124F42FE2405254FE92" Cc: "freebsd-stable@freebsd.org" Subject: Re: Possible scheduler (SCHED_ULE) bug? X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 26 Oct 2009 13:38:05 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig39275124F42FE2405254FE92 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Arnaud Houdelette wrote: > I had the same issue using 7.1 amd64, with ZFS, no SMP. > Not really sure what is the size boundary. I can't really test either, > as the machine is remote. > But I confirm that each tentative upload of certain relatively 'big' > files (around 1MB) with wordpress hanged the system before I switched > from sendfile to writev. >=20 > I might do some test on amd64 7.2 with no SMP if it can be of any use ?= >=20 > Arnaud I can confirm it happens without SMP on 7.2 and amd64. If you can give it a try though, well, the more information the better. Any boundary information, even approximate (well, mostly testing if 64K is the boundary or if 1 MB or so is) would probably be good, too. --=20 Jacob Myers | Website: http://whotookspaz.org Network Admin, Wilcox Technologies | Public key: 186A424A Using FreeBSD since 2007 | Public shell: http://bit.ly/42iGCR Answer a fool according to his folly, lest he be wise in his own conceit -- Proverbs, 26:5 --------------enig39275124F42FE2405254FE92 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.13 (FreeBSD) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iQIcBAEBAgAGBQJK5aY1AAoJEA933foYakKko1wQAJtG2x3yWp2VmMlJSvaP2mxC 5EyH+AeTghsRqr1Po6vgPtcZe6B8oS/k4TGeuEXHjjM2zmyQYAprmAR5jsAom6fD nR0miZ8pyhZ/wsiUeU5l3MFPy7exaQlDsFakubVyioW0wkZ5af257y6976Sx69jJ XhGgt3xP0gXnl5Oq4Yt6OridJRH+IOYzpnfgpNdiNIgjDi3gtK+W5pNy/yHcbGM+ kD1ReLsye3cj3V+nl9/z9kWvICwqjtdu9V+VQWENWpemoyQPO0pvlhcoE2dBBDW2 dSQpl4ccmunriM8YE5UuYqDgx7A47rprGsF5TJoWc6uWJfz/KvniySTe88QKpibY e8/tnW52aTAKplTPvJAR7T6Ocgu8BSbk5/9dBCMTMIbBAlm4cPoMZpBAH/jaHU9r csuptyTIuPi2CPPUA8Quxdu/sTja7/oEhJcnIIL+3nM9uwgR1zUEmkCMXXHVh4Np PXW74HuCQ9hebybLyAOr65TNDQRZXWRW4SG7qmiV67FeGD2X8h172NxuSQBpNhkt IBDn7OmUm2+/xA/tjDSi3NHJ1Z8bDrNUCw1ZtuFg2F7i0Oi2ngWdlTyfpWgmTEoW y/gvAYKuA5UZhcpxJshWIC6MLjA6KCMfrBiJ+bZ5RvAX/0OdNCXmCM5j76HETUDj L/RcJqujhZSLNinOn6P1 =vFSO -----END PGP SIGNATURE----- --------------enig39275124F42FE2405254FE92--