From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: ATA_PIIX - soft resetting port, port is slow to respond, machine "freezes" for a few seconds Date: Fri, 07 Sep 2007 11:17:54 +0900 Message-ID: <46E0B4D2.4030600@gmail.com> References: <46D94BBB.9080403@wpkg.org> <6b9952490709010500q2a93156cq399434a3a44a2d25@mail.gmail.com> <46D95A6F.6060808@wpkg.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from wa-out-1112.google.com ([209.85.146.181]:9839 "EHLO wa-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932414AbXIGCSF (ORCPT ); Thu, 6 Sep 2007 22:18:05 -0400 Received: by wa-out-1112.google.com with SMTP id v27so382955wah for ; Thu, 06 Sep 2007 19:18:03 -0700 (PDT) In-Reply-To: <46D95A6F.6060808@wpkg.org> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Tomasz Chmielewski Cc: Joris , Linux IDE , Alan Cox , Jeff Garzik Tomasz Chmielewski wrote: > Joris schrieb: >> Hello Tomasz, >> >> >> This appears remarkably simelar to what I'm experiencing, altough I'm >> getting that on sata ports. >> I'm currently at a loss on what caused this, but if there's two of >> us... ;-) >> See: http://marc.info/?l=linux-ide&m=118812690407577&w=2 >> >> What kind of hardware are you running? > > It's a dual core Xeon. > > Root filesystem starts off a 2 GB Transcend IDE flash disk, and there is > a 4-disk RAID-10 array behind a hardware RAID, with LVM on it. > > I noticed it doesn't soft reset anymore once the kernel said: > > ata1.00: limiting speed to MWDMA1:PIO4 Aieee... MWDMA2 brokenness again. cc'ing Jeff and Alan for the record. Thanks. -- tejun