From owner-freebsd-bugs@FreeBSD.ORG Thu Dec 23 19:21:33 2010 Return-Path: Delivered-To: freebsd-bugs@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B2C5C106566C; Thu, 23 Dec 2010 19:21:33 +0000 (UTC) (envelope-from bruce@cran.org.uk) Received: from muon.cran.org.uk (muon.cran.org.uk [IPv6:2a01:348:0:15:5d59:5c40:0:1]) by mx1.freebsd.org (Postfix) with ESMTP id 437F58FC0A; Thu, 23 Dec 2010 19:21:33 +0000 (UTC) Received: from muon.cran.org.uk (localhost [127.0.0.1]) by muon.cran.org.uk (Postfix) with ESMTP id AE9B2E72AD; Thu, 23 Dec 2010 19:21:31 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=cran.org.uk; h=date:from :to:cc:subject:message-id:in-reply-to:references:mime-version :content-type:content-transfer-encoding; s=mail; bh=UEUjuanKyg7c kOv6vr9RHvdsvYw=; b=WSsB4bDW/I7zohzfx3Y4VrpyomzBepWajhK099e8ZPGZ W1VMRonci7Rc7vsvjXgZx+enVBjAJdeGc0gJNUyPztU3bAZEKI6kv4QBAOyz8CRU glhPzPQynfRAR9Iyqg86nbxiU6HQa70KyakcXqdjSIbunhBv4Q9nSc2hOkxdHgI= DomainKey-Signature: a=rsa-sha1; c=nofws; d=cran.org.uk; h=date:from:to :cc:subject:message-id:in-reply-to:references:mime-version :content-type:content-transfer-encoding; q=dns; s=mail; b=lHoF0n O8xvisE/6mPqGaAx3G+aivMjCXOmxJgLf+WmicOKAJkJgHfjLAHPUmOhNYxaAk/L cErsUZHEuMGzTg1uP+yWnxsFCvdskdio1AOUGv1bAeNFHAiSppZOhFINLiene8hc S2KKx7Rkik9Aeh/zl4Oq1mnzlJuzgXcsqcMXU= Received: from unknown (client-86-27-40-45.glfd.adsl.virginmedia.com [86.27.40.45]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by muon.cran.org.uk (Postfix) with ESMTPSA id 7D81AE71FF; Thu, 23 Dec 2010 19:21:31 +0000 (GMT) Date: Thu, 23 Dec 2010 19:21:30 +0000 From: Bruce Cran To: Alexander Best Message-ID: <20101223192130.00007b30@unknown> In-Reply-To: <20101223183720.GA84742@freebsd.org> References: <201012121110.oBCBABjm057751@freefall.freebsd.org> <20101212111844.7510053e@core.draftnet> <20101212121923.GA61077@freebsd.org> <20101223103220.0000483f@unknown> <20101223183720.GA84742@freebsd.org> X-Mailer: Claws Mail 3.7.6 (GTK+ 2.16.0; i586-pc-mingw32msvc) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: freebsd-bugs@FreeBSD.org Subject: Re: kern/104624: Sound, mouse and keyboard badly interrupted while I/O (disk, net) X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 23 Dec 2010 19:21:33 -0000 On Thu, 23 Dec 2010 18:37:20 +0000 Alexander Best wrote: > is this output right at the beginning normal? > > fio: this platform does not support process shared mutexes, forcing > use of threads. Use the 'thread' option to get rid of this warning. > f1: (g=0): rw=write, bs=4K-4K/4K-4K, ioengine=sync, iodepth=1 ... > f1: (g=0): rw=write, bs=4K-4K/4K-4K, ioengine=sync, iodepth=1 > fio: this platform does not support process shared mutexes, forcing > use of threads. Use the 'thread' option to get rid of this warning. > f2: (g=1): rw=randwrite, bs=4K-4K/4K-4K, ioengine=sync, iodepth=1 ... > f2: (g=1): rw=randwrite, bs=4K-4K/4K-4K, ioengine=sync, iodepth=1 > fio: this platform does not support process shared mutexes, forcing > use of threads. Use the 'thread' option to get rid of this warning. > f3: (g=2): rw=read, bs=4K-4K/4K-4K, ioengine=sync, iodepth=1 ... > f3: (g=2): rw=read, bs=4K-4K/4K-4K, ioengine=sync, iodepth=1 > fio: this platform does not support process shared mutexes, forcing > use of threads. Use the 'thread' option to get rid of this warning. > f4: (g=3): rw=randread, bs=4K-4K/4K-4K, ioengine=sync, iodepth=1 ... > f4: (g=3): rw=randread, bs=4K-4K/4K-4K, ioengine=sync, iodepth=1 > Starting 12 threads and 4 processes Yes - it just means that FreeBSD doesn't support pshared mutexes. You can add "thread" to the job file to stop the warning. -- Bruce Cran