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:<N>. 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
