From mboxrd@z Thu Jan 1 00:00:00 1970 From: Beth Kon Subject: ata exception messages Date: Tue, 03 Jun 2008 10:49:08 -0400 Message-ID: <1212504548.6885.13.camel@beth-ubuntu> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit To: kvm@vger.kernel.org Return-path: Received: from e1.ny.us.ibm.com ([32.97.182.141]:34514 "EHLO e1.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753820AbYFCOt2 (ORCPT ); Tue, 3 Jun 2008 10:49:28 -0400 Received: from d01relay04.pok.ibm.com (d01relay04.pok.ibm.com [9.56.227.236]) by e1.ny.us.ibm.com (8.13.8/8.13.8) with ESMTP id m53EnB0q026478 for ; Tue, 3 Jun 2008 10:49:11 -0400 Received: from d01av01.pok.ibm.com (d01av01.pok.ibm.com [9.56.224.215]) by d01relay04.pok.ibm.com (8.13.8/8.13.8/NCO v8.7) with ESMTP id m53EnBQm188200 for ; Tue, 3 Jun 2008 10:49:11 -0400 Received: from d01av01.pok.ibm.com (loopback [127.0.0.1]) by d01av01.pok.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id m53EnBPD002878 for ; Tue, 3 Jun 2008 10:49:11 -0400 Received: from [9.67.179.3] (wecm-9-67-179-3.wecm.ibm.com [9.67.179.3]) by d01av01.pok.ibm.com (8.12.11.20060308/8.12.11) with ESMTP id m53EnALo002840 for ; Tue, 3 Jun 2008 10:49:11 -0400 Sender: kvm-owner@vger.kernel.org List-ID: I'm running an Ubuntu 7.10 guest on a kvm git build (commit 3125ffd6edb9384b3e418fc08fea99e7e1548a96) and am seeing repeated messages like: [3393.124685] ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen [3393.127599] ata1.00: cmd ca/00:30:af:c1:48/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 out I see that they're coming from ata_eh_link_report in drivers/ata/libata-eh.c but am not familiar enough with this code to understand what the problem is. Does anyone have any idea what might be causing this? -- Elizabeth Kon (Beth) IBM Linux Technology Center Open Hypervisor Team email: eak@us.ibm.com