From mboxrd@z Thu Jan 1 00:00:00 1970 From: Charles Duffy Subject: SCSI block device timeouts post-migration on x86_64 linux guests Date: Tue, 28 Apr 2009 16:24:02 -0500 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit To: kvm@vger.kernel.org Return-path: Received: from main.gmane.org ([80.91.229.2]:41751 "EHLO ciao.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756763AbZD1VXq (ORCPT ); Tue, 28 Apr 2009 17:23:46 -0400 Received: from list by ciao.gmane.org with local (Exim 4.43) id 1LyumH-0000K9-4l for kvm@vger.kernel.org; Tue, 28 Apr 2009 21:23:45 +0000 Received: from 143.166.197.6 ([143.166.197.6]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 28 Apr 2009 21:23:45 +0000 Received: from Charles_Duffy by 143.166.197.6 with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 28 Apr 2009 21:23:45 +0000 Sender: kvm-owner@vger.kernel.org List-ID: Per subject. Observed on kvm-83 through kvm-85; haven't traced back further. No longer occurs when switching to IDE. Manifests with messages similar to the following on restore: sd 0:0:0:0: [sda] ABORT operation started sd 0:0:0:0: ABORT operation timed-out. sd 0:0:0:0: [sda] ABORT operation started sd 0:0:0:0: ABORT operation timed-out. sd 0:0:0:0: [sda] ABORT operation started sd 0:0:0:0: ABORT operation timed-out. sd 0:0:0:0: [sda] ABORT operation started sd 0:0:0:0: ABORT operation timed-out. sd 0:0:0:0: [sda] ABORT operation started sd 0:0:0:0: ABORT operation timed-out. sd 0:0:0:0: [sda] DEVICE RESET operation started sd 0:0:0:0: DEVICE RESET operation timed-out. sd 0:0:0:0: [sda] BUS RESET operation started sym0: suspicious SCSI data while resetting the BUS. sym0: dp1,d15-8,dp0,d7-0,rst,req,ack,bsy,sel,atn,msg,c/d,i/o = 0x0, expecting 0x100 sd 0:0:0:0: BUS RESET operation timed-out. sd 0:0:0:0: [sda] HOST RESET operation started sym0: suspicious SCSI data while resetting the BUS. sym0: dp1,d15-8,dp0,d7-0,rst,req,ack,bsy,sel,atn,msg,c/d,i/o = 0x0, expecting 0x100 sym0: the chip cannot lock the frequency sym0: SCSI BUS has been reset. sd 0:0:0:0: HOST RESET operation timed-out. sd 0:0:0:0: rejecting I/O to offline device sd 0:0:0:0: rejecting I/O to offline device sd 0:0:0:0: rejecting I/O to offline device Read-error on swap-device (252:1:5256) Read-error on swap-device (252:1:5264) Read-error on swap-device (252:1:5272) Read-error on swap-device (252:1:5280) Read-error on swap-device (252:1:5288) Read-error on swap-device (252:1:5296) Read-error on swap-device (252:1:5304) end_request: I/O error, dev sda, sector 8369189 Buffer I/O error on device dm-0, logical block 1019995 lost page write due to I/O error on dm-0 end_request: I/O error, dev sda, sector 16860621 Read-error on swap-device (252:1:5248) sd 0:0:0:0: rejecting I/O to offline device end_request: I/O error, dev sda, sector 16864717 Read-error on swap-device (252:1:9344) Read-error on swap-device (252:1:9352) Read-error on swap-device (252:1:9360) Read-error on swap-device (252:1:9368) Read-error on swap-device (252:1:9376) Read-error on swap-device (252:1:9384) Read-error on swap-device (252:1:9392) Read-error on swap-device (252:1:9400) sd 0:0:0:0: rejecting I/O to offline device end_request: I/O error, dev sda, sector 11780333 sd 0:0:0:0: rejecting I/O to offline device sd 0:0:0:0: rejecting I/O to offline device sd 0:0:0:0: rejecting I/O to offline device end_request: I/O error, dev sda, sector 13834077