From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: AHCI: connection status changed + hard resetting link with 2.6.30+ Date: Thu, 09 Jul 2009 07:45:25 +0900 Message-ID: <4A552185.7090301@kernel.org> References: <4A4FD162.30604@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-2 Content-Transfer-Encoding: 7bit Return-path: Received: from hera.kernel.org ([140.211.167.34]:60179 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754987AbZGHWp3 (ORCPT ); Wed, 8 Jul 2009 18:45:29 -0400 In-Reply-To: <4A4FD162.30604@gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Zdenek Kaspar Cc: linux-ide@vger.kernel.org Zdenek Kaspar wrote: > Hi, when booted latest -stable kernel (2.6.30.1) got this in dmesg: > > [ 1.521856] ata8: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0xf t4 > [ 1.521908] ata8: irq_stat 0x00400040, connection status changed > [ 1.521962] ata8: hard resetting link > > Same result with 2.6.31-rc2, with 2.6.29.6 it works OK. > > Could this cause any trouble ? Most likely not. Looks like the device going through an extra PHY event cycle during initial probing. I don't recall any change since 2.6.29 which could cause such behavior difference. Can you please post the output of "lspci -nn" and full boot log? Thanks. -- tejun