From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [PATCH] AHCI PCI ID for MacBook Pro Date: Sat, 10 Feb 2007 08:17:19 -0500 Message-ID: <45CDC5DF.9060306@gmail.com> References: <82530.66623.qm@web25412.mail.ukl.yahoo.com> <45CC3FE5.2010408@gmail.com> <1171035949.23440.4.camel@localhost> <200702091841.45125.rootkit85@yahoo.it> <1171102758.19041.5.camel@localhost> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from wx-out-0506.google.com ([66.249.82.224]:33270 "EHLO wx-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750979AbXBJNRg (ORCPT ); Sat, 10 Feb 2007 08:17:36 -0500 Received: by wx-out-0506.google.com with SMTP id h31so1161927wxd for ; Sat, 10 Feb 2007 05:17:35 -0800 (PST) In-Reply-To: <1171102758.19041.5.camel@localhost> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Soeren Sonnenburg Cc: Matteo Croce , linux-ide@vger.kernel.org Soeren Sonnenburg wrote: > On Fri, 2007-02-09 at 18:41 +0100, Matteo Croce wrote: >> On Friday 09 February 2007 16:45:49 you wrote: >>> On Fri, 2007-02-09 at 04:33 -0500, Tejun Heo wrote: >>>> Root Kit wrote: >>> [...] >>> Hmmhh I cannot really reproduce this benchmark. Matteo, with which >>> benchmarking program did you produce this ? >>> [...] >> bonnie++ from ubuntu repos > > OK, I reran bonnie++ -d /tmp/ on a unencrypted partition - results are > here http://nn7.de/bench/ahci.html . Looks like it is slightly faster > for sequential block write (2MB/s faster) and sequential read using > putc() (1MB/s faster), though putc() is slowed down by 6MB/s. I suspect the difference is caused by either the io scheduler in use or disk drive itself. > However what may make it worth is that I don't see any errors on > suspend/resume anymore... Hmm... So, ata_piix fails to suspend/resume properly on your machine? It should work. Can you describe how it fails? -- tejun