From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: ata_std_qc_defer not good enough for FIS-based switching ? Date: Tue, 29 Apr 2008 10:18:13 +0900 Message-ID: <48167755.3000208@gmail.com> References: <48163C5D.9050605@rtr.ca> <48164AE8.4070106@rtr.ca> <481659B5.7090703@gmail.com> <481660DD.80103@rtr.ca> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from wf-out-1314.google.com ([209.85.200.172]:33312 "EHLO wf-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750827AbYD2BSX (ORCPT ); Mon, 28 Apr 2008 21:18:23 -0400 Received: by wf-out-1314.google.com with SMTP id 28so4271960wff.4 for ; Mon, 28 Apr 2008 18:18:22 -0700 (PDT) In-Reply-To: <481660DD.80103@rtr.ca> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Mark Lord Cc: Jeff Garzik , IDE/ATA development list , Alan Cox Mark Lord wrote: > Mmm.. I just plugged the same PM + drives into my sata_sil24 card here, > and that driver went bonkers when I did the same test. > > Had to reboot eventually to recover. Hmm... That can't be. Above all, although we do manual scheduling around sil24, the controller does its own scheduling and will happily issue command in the right order even if the software scheduler screws up. Do you have the log? Thanks. -- tejun