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On 11/28/2014 07:00 AM, Christophe Fergeau wrote: > On Fri, Nov 28, 2014 at 12:03:59AM -0600, Charles Ricketts wrote: >> Despite my problem with building within my VM environment, I went ahead >> and attempted a Fedora LXC+Spice configuration. I'm happy to report it >> was successful as well. The only change that had to be made was adding >> the -f argument to the Xspice script to keep spice-vdagentd from >> attempting ioctl ops on the uinput pipe created by the QXL driver. I'm >> not sure why I didn't see this before, looks like I had mistakenly >> forgotten to use --prefix=/usr on the vdagent source, so I was using the >> distribution-provided version which doesn't have the -f option at all >> and apparently doesn't print the "improper ioctl for device" error. >> However, upon ensuring I was using the git versions of the vdagents and >> the -f flag was added in Xspice, I was again successful! >> >> Hooray! >> >> Well, if nothing else, I hope this discussion helps somebody else >> looking to accomplish the same task. And, even if it wasn't intended, >> props to the developers for having the foresight in making the QXL >> driver/Xspice and the agents flexible enough to use non-character >> devices and therefore eliminating the reliance on a virtualized >> environment. You guys rock! > > Well, thanks a lot for your patience and all the investigation you made! > I'm still surprised it segfaults with the ubuntu packages. What version > of spice-server is being used there? A backtrace with debugging symbols > would still be great, I think you'd need to install the corresponding > debug packages (I forgot how to do that on ubuntu), and then try to get > a coredump or to run Xspice in gdb. > > Christophe The segfault was simply a configuration error. it was dynamically linking the distribution-provided libspice-server.so.1.8.0 rather than the newly compiled libspice-server.so.1.9.0 due to the 1.8.0 version having a higher precedence with ldconfig. After reordering the library precedence to favor the new version it worked just fine. Chuck R. |
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