From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:60950) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QBn5D-0003Sx-1A for qemu-devel@nongnu.org; Mon, 18 Apr 2011 07:57:35 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QBn5C-0007QQ-6W for qemu-devel@nongnu.org; Mon, 18 Apr 2011 07:57:34 -0400 Received: from mx1.redhat.com ([209.132.183.28]:33614) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QBn5B-0007Q3-SD for qemu-devel@nongnu.org; Mon, 18 Apr 2011 07:57:34 -0400 Message-ID: <4DAC2708.7040302@redhat.com> Date: Mon, 18 Apr 2011 13:56:56 +0200 From: Jes Sorensen MIME-Version: 1.0 References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH] atapi: Add 'medium ready' to 'medium not ready' transition on cd change List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Amit Shah Cc: Kevin Wolf , Stefan Hajnoczi , Juan Quintela , qemu list , Markus Armbruster On 04/18/11 13:45, Amit Shah wrote: > MMC-5 Table F.1 lists errors that can be thrown for the TEST_UNIT_READY > command. Going from medium not ready to medium ready states is > communicated by throwing an error. > > This adds the missing 'tray opened' event that we fail to report to > guests. After doing this, older Linux guests properly revalidate a disc > on the change command. HSM violation errors, which caused Linux guests > to do a soft-reset of the link, also go away: > > ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 > sr 1:0:0:0: CDB: Test Unit Ready: 00 00 00 00 00 00 > ata2.00: cmd a0/00:00:00:00:00/00:00:00:00:00/a0 tag 0 > res 01/60:00:00:00:00/00:00:00:00:00/a0 Emask 0x3 (HSM violation) > ata2.00: status: { ERR } > ata2: soft resetting link > ata2.00: configured for MWDMA2 > ata2: EH complete > > Signed-off-by: Amit Shah > --- > hw/ide/core.c | 20 ++++++++++++++++---- > 1 files changed, 16 insertions(+), 4 deletions(-) Looks good to me. Acked-by: Jes Sorensen