From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1KTHWy-0004OV-DY for qemu-devel@nongnu.org; Wed, 13 Aug 2008 10:40:56 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1KTHWw-0004Nf-ND for qemu-devel@nongnu.org; Wed, 13 Aug 2008 10:40:55 -0400 Received: from [199.232.76.173] (port=39642 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1KTHWw-0004NQ-DR for qemu-devel@nongnu.org; Wed, 13 Aug 2008 10:40:54 -0400 Received: from il.qumranet.com ([212.179.150.194]:14591) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1KTHWw-0006ik-Ba for qemu-devel@nongnu.org; Wed, 13 Aug 2008 10:40:54 -0400 Message-ID: <48A2F272.50402@qumranet.com> Date: Wed, 13 Aug 2008 17:40:50 +0300 From: Avi Kivity MIME-Version: 1.0 Subject: Re: [Qemu-devel] [PATCH] Flush pending AIO on reboot and shutdown. References: <20080813132358.17672.68212.stgit@gleb-debian.qumranet.com.qumranet.com> <20080813134608.GN6165@implementation.uk.xensource.com> <20080813135941.GB17567@minantech.com> <20080813140641.GP6165@implementation.uk.xensource.com> <20080813142557.GD17567@minantech.com> <20080813142904.GR6165@implementation.uk.xensource.com> In-Reply-To: <20080813142904.GR6165@implementation.uk.xensource.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Samuel Thibault wrote: >> >> On real hardware if you press reset button >> > > That's when you press the reset button. When you have a triple fault > the IDE board won't be resetted. > > Why not? IIUC triple fault is exported as a cpu pin, which the chipset/motherboard wires into the board-level reset line. >> Currently BOCHS BIOS doesn't check that IDE is busy (it doesn't even >> know that HW is present) and sends overlapping command. >> > > Then fix it. > I think the bios can expect the IDE hardware (or any other device) to be quiescent on entry. It doesn't make sense to initiate an explicit reset immediately after boot; that would slow things down. -- error compiling committee.c: too many arguments to function