From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: Libata EH False Alarm (2.6.18-rc2)? Date: Fri, 25 Aug 2006 05:00:33 +0900 Message-ID: <44EE0561.1030007@gmail.com> References: <8202f4270608241242i7a4d2d0anc3f607dad7df0129@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from nf-out-0910.google.com ([64.233.182.187]:46985 "EHLO nf-out-0910.google.com") by vger.kernel.org with ESMTP id S1751690AbWHXUBh (ORCPT ); Thu, 24 Aug 2006 16:01:37 -0400 Received: by nf-out-0910.google.com with SMTP id o25so667696nfa for ; Thu, 24 Aug 2006 13:01:36 -0700 (PDT) In-Reply-To: <8202f4270608241242i7a4d2d0anc3f607dad7df0129@mail.gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Fajun Chen Cc: linux-ide@vger.kernel.org, jgarzik@pobox.com Fajun Chen wrote: > Hi Guys, > > I ran 2.6.18-rc2 with libata patch. I have seen many occurrences of EH > traces in dmesg log as show below: > ... > [30540.003174] ata1: exception Emask 0x10 SAct 0x0 SErr 0x80000 action > 0x2 frozen > [30540.003259] ata1: (irq_stat 0x01100010, PHY RDY changed) > [30540.548784] ata1: waiting for device to spin up (8 secs) > [30548.721383] ata1: soft resetting port > [30548.822362] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) > [30548.825201] ata1.00: configured for UDMA/100 > [30548.825248] ata1: EH complete > [repeats]... > > While at the same time, my testing still proceeded without problem. > Are these genuine errors or false alarms? Do you happen to be using sata_sil on ATI controller? If so, those chipsets don't support hotplug && please use -rc4. If you're using something else, please report what chipset you're using. -- tejun