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-4.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1V7u1u-0001hg-EY for user-mode-linux-devel@lists.sourceforge.net; Fri, 09 Aug 2013 21:15:26 +0000 Received: from mx1.redhat.com ([209.132.183.28]) by sog-mx-2.v43.ch3.sourceforge.com with esmtp (Exim 4.76) id 1V7u1p-0005SD-Dg for user-mode-linux-devel@lists.sourceforge.net; Fri, 09 Aug 2013 21:15:26 +0000 Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id r79LFFRM032684 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Fri, 9 Aug 2013 17:15:15 -0400 Received: from localhost (vpn1-6-126.ams2.redhat.com [10.36.6.126]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id r79LFETM024888 for ; Fri, 9 Aug 2013 17:15:14 -0400 Date: Fri, 9 Aug 2013 22:15:12 +0100 From: "Richard W.M. Jones" Message-ID: <20130809211512.GB10864@redhat.com> References: <20130809204355.GA10864@redhat.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20130809204355.GA10864@redhat.com> 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: user-mode-linux-devel@lists.sourceforge.net 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. Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones virt-df lists disk usage of guests without needing to install any software inside the virtual machine. Supports Linux and Windows. http://people.redhat.com/~rjones/virt-df/ ------------------------------------------------------------------------------ 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