From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: utku's sata freeze and hard reset problem Date: Tue, 19 May 2009 16:41:10 +0900 Message-ID: <4A126296.80006@kernel.org> References: <4A10B2A2.3030003@zeitin.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from hera.kernel.org ([140.211.167.34]:39105 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752744AbZESHlQ (ORCPT ); Tue, 19 May 2009 03:41:16 -0400 In-Reply-To: <4A10B2A2.3030003@zeitin.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Utku Somer Cc: linux-ide@vger.kernel.org Utku Somer wrote: > I have started getting this error from the sata kernel code which > freezes my system for 20-30 seconds. I haven't been able to tell the > exact reason so far. My current configuration is two SATA disks on > which three partitions are raided with soft raid1. Tiemouts without any link layer problem reported. Hmmm.... Does it help if you disable NCQ with the following command? # echo 1 > /sys/block/sdX/device/queue_depth Thanks. -- tejun