Sorry to hear. That's a Compiz (or probably Unity 7 Shell) crash, so please log an automatic crash report if given the option.

Being separate processes there is almost certainly no way Mir or XMir can make Compiz/Unity crash. It's just a coincidence.

- Daniel


On 11/10/14 06:56, Sam Segers wrote:
I was going to investigate the high CPU usage. But after package
updates, my PC no longer boots on the radeon driver. X crashes after
login. Mir also doesn't boot. I tried a clean install of current 14.10,
but that also doesn't boot. With fglrx I have no issues.
My syslog has a lot of these lines:

     [   51.495859] traps: compiz[2730] trap invalid opcode
ip:7f186f59c6e5 sp:7fff8e230020 error:0

Any idea?

2014-10-09 3:42 GMT+02:00 Daniel van Vugt <daniel.van.v...@canonical.com
<mailto:daniel.van.v...@canonical.com>>:

    Absolutely, if you want stability then stick to 14.04.

    However Mir being under development can't afford to have maintenance
    branches actually being maintained in every Ubuntu release (yet). So
    Mir is primarily developed on the bleeding edge.

    Note this does mean even if we did fix all of the problems you're
    experiencing, any fixes for Mir will probably never be backported to
    14.04.



    On 09/10/14 04:12, Joseph Rushton Wakeling wrote:

        On 08/10/14 03:36, Daniel van Vugt wrote:

            Also, I just noticed you say "14.04". Mir on 14.04 is
            effectively
            unsupported and now very out of date. As it's under heavy
            development we
            can only fix Mir issues on the development release (14.10).


        Yes, I know, which was why I was a bit surprised when you asked
        me to
        test things out.  I think it's Sam Segers who you want to get in
        touch
        with re the CPU issue.

        I'm still mulling over whether to upgrade to 14.10 (I quite like
        my very
        solid 14.04 system...), but if I do it'll probably be in advance of
        release and so in time to verify if
        https://bugs.launchpad.net/__xmir/+bug/1295851
        <https://bugs.launchpad.net/xmir/+bug/1295851> is still present
        there.


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