From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.33) id 1BdQFK-0003IG-S3 for qemu-devel@nongnu.org; Thu, 24 Jun 2004 05:10:14 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.33) id 1BdQFJ-0003Hx-Pt for qemu-devel@nongnu.org; Thu, 24 Jun 2004 05:10:14 -0400 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.33) id 1BdQFJ-0003Hu-Fy for qemu-devel@nongnu.org; Thu, 24 Jun 2004 05:10:13 -0400 Received: from [62.53.231.247] (helo=e.frontend.um.mediaways.net) by monty-python.gnu.org with smtp (Exim 4.34) id 1BdQDe-0001vh-MZ for qemu-devel@nongnu.org; Thu, 24 Jun 2004 05:08:30 -0400 Message-ID: <40DA9A05.5080300@petig-baender.de> Date: Thu, 24 Jun 2004 11:08:21 +0200 From: Christof Petig MIME-Version: 1.0 Subject: Re: [Qemu-devel] Clarification about qemu-fast (was segfaults in fc1) References: <200406230805.16198.dcuny@lanset.com> <20040623165006.GA22835@jbrown.mylinuxbox.org> <200406240836.41050.jm@poure.com> In-Reply-To: <200406240836.41050.jm@poure.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: jm@poure.com, qemu-devel@nongnu.org -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Jean-Michel POURE schrieb: | Le mercredi 23 Juin 2004 18:50, Jim C. Brown a écrit : | |>That is not exactly true. Qemu works fine for me, even when I start it when |>I am offline. However I use VDE/tuntap and do have a local area network, so |>it is possible that qemu requires a network connection to function |>correctly (IIRC since 0.5.5 qemu uses -user-net by default if it can not |>access tuntap, and -dummy-net by default for earlier versions). Of course |>tuntap requires that you have an actual ethernet card to work.... |> |>BTW if you are using the Windows port, you might be better off using |>-dummy-net or -user-net ... I vaguely recall that one of the reasons |>-user-net was introduced was because it was so hard to set up networking |>with qemu when Windows was the host OS. | | | Can anyone confirm the same problems with -user-net as described here: I can confirm a different problem with -user-net: I only once got a working ftp connection between the guest (win95) and the host (debian sid/powerpc). This happened when I debugged the ethernet card (DEBUG_NE2000) [perhaps I set -O0 -g]. I was unable to repeat this success so far. [Will try again with -O0 -g] Given the reports about slirp miscompiling with -O2 (or without - -fno-strict-aliasing) I would look there for the guilt. [I looked there and turned my eyes away quickly] ~ Christof -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (GNU/Linux) Comment: Using GnuPG with Debian - http://enigmail.mozdev.org iD8DBQFA2poEng+R+0ucfO0RAl4XAJ0bkZ9IHXhszOcbEqjjalatRrHWDwCggRw2 va6e6cMWeDTQWBynwCQOxG8= =Z7ux -----END PGP SIGNATURE-----