From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sog-mx-2.v43.ch3.sourceforge.com ([172.29.43.192] helo=mx.sourceforge.net) by sfs-ml-3.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1V7uBH-0004hz-IV for user-mode-linux-devel@lists.sourceforge.net; Fri, 09 Aug 2013 21:25:07 +0000 Received: from mx1.redhat.com ([209.132.183.28]) by sog-mx-2.v43.ch3.sourceforge.com with esmtp (Exim 4.76) id 1V7uBG-0005wS-7M for user-mode-linux-devel@lists.sourceforge.net; Fri, 09 Aug 2013 21:25:07 +0000 Date: Fri, 9 Aug 2013 22:24:57 +0100 From: "Richard W.M. Jones" Message-ID: <20130809212457.GC10864@redhat.com> References: <20130809204355.GA10864@redhat.com> <20130809211512.GB10864@redhat.com> <52055CA0.2090301@nod.at> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <52055CA0.2090301@nod.at> List-Id: The user-mode Linux development list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: user-mode-linux-devel-bounces@lists.sourceforge.net Subject: Re: [uml-devel] Using UML in libguestfs To: Richard Weinberger Cc: user-mode-linux-devel@lists.sourceforge.net On Fri, Aug 09, 2013 at 11:18:24PM +0200, Richard Weinberger wrote: > Am 09.08.2013 23:15, schrieb Richard W.M. Jones: > > On Fri, Aug 09, 2013 at 09:43:55PM +0100, Richard W.M. Jones wrote: > >> * I'm trying to use a serial port to communicate between guest and > >> host, using ssl3=fd:. This causes the Linux process to crash soon > >> (but not immediately) after the guest has opened /dev/ttyS3: > >> > >> spurious interrupt in ubd_handler, err = -4 > > > > So I realized this is caused by a coding mistake by me. I had set to > > O_CLOEXEC flag on the file descriptor, so it was being closed across > > the exec of vmlinux. > > > > It still doesn't quite work, but the error above has gone away. > > So you are still facing the crash are reported in your first mail? No, the crash has gone away. There's now a protocol error which I'm trying to get to the bottom of. Perhaps /dev/ttyS isn't 8 bit clean..? Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones Fedora Windows cross-compiler. Compile Windows programs, test, and build Windows installers. Over 100 libraries supported. http://fedoraproject.org/wiki/MinGW ------------------------------------------------------------------------------ Get 100% visibility into Java/.NET code with AppDynamics Lite! It's a free troubleshooting tool designed for production. Get down to code-level detail for bottlenecks, with <2% overhead. Download for free and get started troubleshooting in minutes. http://pubads.g.doubleclick.net/gampad/clk?id=48897031&iu=/4140/ostg.clktrk _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel