From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Mason Subject: Re: CPU usage problem with custom 2.6.7 kernel Date: Mon, 16 Aug 2004 09:48:56 -0400 Message-ID: <1092664136.12138.64.camel@watt.suse.com> References: <411DE847.3070809@iinet.net.au> <1677610534.20040814123650@tnonline.net> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: list-help: list-unsubscribe: list-post: Errors-To: flx@namesys.com In-Reply-To: <1677610534.20040814123650@tnonline.net> List-Id: Content-Type: text/plain; charset="us-ascii" To: Spam Cc: reiserfs-list@namesys.com On Sat, 2004-08-14 at 06:36, Spam wrote: > > > You need to enable DMA and 32bit I/O! > Use: hdparm -d1c3 /dev/hda > DMA is the major problem there. hdparm -d1 /dev/hda should be enough to fix the performance problems. The rest of the hints given in the message are just tuning on top of dma, I'd suggest reading the hdparm manpage carefully before changing any of them. -chris