From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sc8-sf-mx2-b.sourceforge.net ([10.3.1.92] helo=mail.sourceforge.net) by sc8-sf-list1-new.sourceforge.net with esmtp (Exim 4.43) id 1Gb5q4-0004am-GX for user-mode-linux-devel@lists.sourceforge.net; Fri, 20 Oct 2006 18:39:52 -0700 Received: from newcod.sandelman.ca ([192.139.46.42] helo=cod.sandelman.ca) by mail.sourceforge.net with esmtp (Exim 4.44) id 1Gb5q1-00052Z-Uo for user-mode-linux-devel@lists.sourceforge.net; Fri, 20 Oct 2006 18:39:52 -0700 From: Michael Richardson In-Reply-To: Message from Blaisorblade of "Sat, 21 Oct 2006 02:38:16 +0200." <200610210238.16557.blaisorblade@yahoo.it> References: <200610210238.16557.blaisorblade@yahoo.it> Date: Fri, 20 Oct 2006 21:39:24 -0400 Message-ID: <17462.1161394764@sandelman.ottawa.on.ca> Subject: Re: [uml-devel] Xen 3.0.2 and UML guest List-Id: The user-mode Linux development list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: user-mode-linux-devel-bounces@lists.sourceforge.net Errors-To: user-mode-linux-devel-bounces@lists.sourceforge.net To: Blaisorblade Cc: user-mode-linux-devel@lists.sourceforge.net -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 >>>>> "Blaisorblade" == Blaisorblade writes: >> I built a tree on my laptop as I normally do. It runs etch, and as does my >> debian XenU. With 2.6.15 UML guest on my laptop, everything is fine. >> >> Same binary running under a XenU, goes into R state under XenU: Blaisorblade> I forget - XenU is an unprivileged guest, and Xen0 is Blaisorblade> the main one IIRC (vaguely) - if that is an Blaisorblade> unprivileged guest have you tried on the root one? Xen0/Dom0 is the "host" if you like, and XenU/DomU is the "child". You are asking if I can run a UML child on the Xen0? I have not tried it, and I'd have to mess around a bit to do so, but I can try. >> >> >> >> Linux version 2.6.15 (mcr@marajade.sandelman.ca) (gcc version 4.1.2 >> 20060901 (pr erelease) (Debian 4.1.1-13)) #2 Thu Oct >> 19 17:29:21 EDT 2006 Built 1 zonelists Blaisorblade> A strace -t (or whichever option shows the timings) Blaisorblade> would help finding _where_ Blaisorblade> is the big pause... I think you mean -T? I ran: strace -f -o /tmp/east.trace -T /0i/sandboxes/UMLPOOL/260ocf/umlbuild/swan26/linux initrd=/0i/sandboxes/UMLPOOL/260ocf/umlbuild/initrd.uml umlroot=/0i/sandboxes/UMLPOOL/260ocf/umlbuild/east/root root=/dev/ram0 rw ssl=pty umid=east $net $UML_DEBUG_OPT $UML_east_OPT init=/linuxrc $* It never actually boots far enough with this option to print anything. It was a big message (11MB), so, see http://www.sandelman.ca/tmp/xen-uml-50.txt strace -o /tmp/east.trace -T /0i/sandboxes/UMLPOOL/260ocf/umlbuild/swan26/linux initrd=/0i/sandboxes/UMLPOOL/260ocf/umlbuild/initrd.uml umlroot=/0i/sandboxes/UMLPOOL/260ocf/umlbuild/east/root root=/dev/ram0 rw ssl=pty umid=east $net $UML_DEBUG_OPT $UML_east_OPT init=/linuxrc $* without the child tracing, it makes it as it would normally, but we get nothing about what the child processes are doing, of course. I guess maybe that there are problems with the VT ALARMs on the XenU... Can we build a simpler test case for the Xen folks? - -- ] Bear: "Me, I'm just the shape of a bear." | firewalls [ ] Michael Richardson, Xelerance Corporation, Ottawa, ON |net architect[ ] mcr@xelerance.com http://www.sandelman.ottawa.on.ca/mcr/ |device driver[ ] panic("Just another Debian GNU/Linux using, kernel hacking, security guy"); [ -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (GNU/Linux) Comment: Finger me for keys iQEVAwUBRTl6SYCLcPvd0N1lAQJGhAgAsoaD1RAlLVYpX1EVRyI9aSj6WcBYfhO9 0L+BgYnuZHDgVdgwqJnGPKypqq8xvlAILGApEojSe7aPdymXTPkY9UxUMFpPa7PV LS4/1cb/5OnnQ58Op9aa6bsDeuPljK4g8ILwBFUPsmvvRK1/n4D5WO7IfZnqtjzL GpFwgSJljw9KLLWbv9Pfz33fZqsUb8DkwVVhTWPlrt8qyi0Zxkci3gZ0CoZUy7EA KplYJgP2AuBmAPsWlLVi9hWA1qsgPKGfSZVtwdqPx81xPU2vN+1hEvvUpZ8/C84W 62A8yBggwtDFXmzG47VgyYCXKxB+Th+ezeQSdW0a2lf1l4Du/1uvPA== =kEfD -----END PGP SIGNATURE----- ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel