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:<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. > > 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<N> 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
