Comment 5 for bug 294454

You need to do some further work on this bug report before it can be investigated. Detail the exact steps you follow for reproducing the problem. You've not included some form of run log (typically Xorg.0.log but perhaps xvfb uses something different), which is always required before we will begin looking at a bug.

Further, we generally ask that people focus one bug report per distinct issue, however you've mentioned several different things and it's unclear which specific one you want to be investigated. In your original report, most of the warnings you list are basically harmless and usually always appear. The one about hal not being initialized sounds unusual; that one isn't an X problem, but could potentially cause problems in getting X to work if hal isn't running.