On 2011-02-27 20:16, Alon Levy wrote: > On Sun, Feb 27, 2011 at 08:11:26PM +0100, Jan Kiszka wrote: >> On 2011-02-27 20:03, Alon Levy wrote: >>> On Sat, Feb 26, 2011 at 01:29:01PM +0100, Jan Kiszka wrote: >>>> On 2011-02-26 12:43, xming wrote: >>>>> When trying to start X (and it loads qxl driver) the kvm process just >>>>> crashes. >>> >>> This is fixed by Gerd's attached patch (taken from rhel repository, don't >>> know >>> why it wasn't pushed to qemu-kvm upstream). I'll send it to kvm list as >>> well (separate email). >> >> Patch looks OK on first glance, but the changelog is misleading: This >> was broken for _both_ trees, but upstream didn't detect the bug. >> > > The trees the patch commit message refers to are qemu and qemu-kvm.
The same did I. > qemu doesn't even have cpu_single_env. Really? Check again. :) > It didn't talk about two qemu-kvm trees. > >> My concerns regarding other side effects of juggling with global mutex >> in spice code remain. > > I know there used to be a mutex in spice code and during the upstreaming > process it > got ditched in favor of the qemu global io mutex. I would have rather > deferred this > to Gerd since he wrote this, but he is not available atm. It's not necessarily bad to drop the io mutex, but it is more tricky than it may appear on first glance. Jan
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