From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alan Cox Subject: Re: current mainline ide doesn't like qemu/kvm (or vice versa) Date: Fri, 8 Feb 2008 15:53:50 +0000 Message-ID: <20080208155350.733d2399@core> References: <20080208152508.GA16290@lst.de> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Received: from outpipe-village-512-1.bc.nu ([81.2.110.250]:35795 "EHLO lxorguk.ukuu.org.uk" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1752730AbYBHQAM (ORCPT ); Fri, 8 Feb 2008 11:00:12 -0500 In-Reply-To: <20080208152508.GA16290@lst.de> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Christoph Hellwig Cc: bzolnier@gmail.com, linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org On Fri, 8 Feb 2008 16:25:08 +0100 Christoph Hellwig wrote: > When trying to put some stress on qemu by running the xfs testsuite > I get the following: > > debian:~/xfs-cmds/xfstests# sh check > [ 438.166822] SGI XFS with ACLs, security attributes, realtime, large block numbers, no debug enabled > [ 438.185557] SGI XFS Quota Management subsystem > [ 438.193150] hdb: task_no_data_intr: status=0x41 { DriveReady Error } > [ 438.194018] hdb: task_no_data_intr: error=0x04 { DriveStatusError } > [ 438.194195] ide: failed opcode was: 0x9d Drive aborted the command. Thats all correct. > > and after that the kernel seems to hang. Qemu is emulating a piix3 > device, and using the piix driver. This is on a pretty old kvm (version > 28) because newer ones don't even compile. Old Qemu is not really a credible IDE emulation. The chances are that as with all the libata bugs I close for qemu the problem is qemu. Please file a bug with the qemu people.