From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1JMQSy-0005ug-Ov for qemu-devel@nongnu.org; Tue, 05 Feb 2008 11:16:12 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1JMQSu-0005pl-UD for qemu-devel@nongnu.org; Tue, 05 Feb 2008 11:16:12 -0500 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1JMQSu-0005pR-Mw for qemu-devel@nongnu.org; Tue, 05 Feb 2008 11:16:08 -0500 Received: from smtp-13.smtp.ucla.edu ([169.232.46.240]) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1JMQSu-0007ic-Fs for qemu-devel@nongnu.org; Tue, 05 Feb 2008 11:16:08 -0500 Message-ID: <47A88BC5.3020907@cs.ucla.edu> Date: Tue, 05 Feb 2008 08:16:05 -0800 From: Eddie Kohler MIME-Version: 1.0 Subject: Re: [Qemu-devel] Making qemu use 10.0.3.x not 10.0.2.x References: <18344.18661.39309.29838@mariner.uk.xensource.com> <414CDEB1-8E31-4FAF-BE6F-1625F7FA77A6@web.de> <20080205.084836.74710742.imp@bsdimp.com> In-Reply-To: <20080205.084836.74710742.imp@bsdimp.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: quoted-printable 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 Cc: andreas.faerber@web.de Warner Losh wrote: > From: Andreas F=E4rber > Subject: Re: [Qemu-devel] Making qemu use 10.0.3.x not 10.0.2.x > Date: Tue, 5 Feb 2008 13:58:28 +0100 >=20 >> Am 05.02.2008 um 12:30 schrieb Ian Jackson: >> >>> I don't believe that 10.0.2.0/24 was chosen randomly :-). It would b= e >>> better for qemu's default range to be a randomly chosen one. >> Please don't randomly choose a default subnet; knowing that QEMU uses = =20 >> 10.0.2.x allows to adapt to this. If however QEMU starts randomly =20 >> assigning addresses we will also get random conflicts. >> >> Please stick with a default like the current and simply make it =20 >> statically configurable. >=20 > I think that the suggestion is that qemu picks, one time, a new > default. This new default would be selected at random, and would be > the same on all new versions of qemu. >=20 > I don't think that the suggestion is to pick a random address every > time qemu starts. I already have some scripts that depend on the 10.0.2.x default -- probab= ly=20 others do too. Would changing to a different subnet by default really ma= ke=20 that much difference? 10.0.2.x is, after all, a possible "random" choice= :) Eddie