can't start mir natively - 13.04

Robert Ancell robert.ancell at
Thu Aug 1 16:45:52 UTC 2013

I should clarify:

Once the Mir server is running correctly, you will need the changes to mesa
to run an accelerated client (i.e. most clients that you would be
interested in).

On Thu, Aug 1, 2013 at 5:34 PM, Robert Ancell
<robert.ancell at>wrote:

> Hi Dariusz,
> You should only need Mir to run it beside another X session. You do not
> need any of the driver changes which are only required for XMir.
> When run successfully, you only see a black screen. You need to run a
> client to see anything.
> Though, it sounds like you can't VT switch and the Mir server has failed
> (as not showing after a ssh in). If it has crashed I'd recommend checking
> for a core dump. Core dumps are disabled by default, enable them by running
> 'ulimit -c unlimited' before running Mir.
> If you continue to have problems, file a bug on
> Make sure to indicate what
> hardware you have (from lspci)
> --Robert
> On Wed, Jul 31, 2013 at 9:26 PM, Dariusz Gadomski <dgadomski at>wrote:
>> Hi,
>> I have managed to successfully build mir on my amd64 13.04 and wanted to
>> play a bit with the demo server (*Running Mir natively*
>> but ended up with a
>> black screen.
>> I am aware that patched drivers are needed to run X inside Mir but are
>> those needed to run it correctly next to a regular X (in a separate VT)? I
>> use the xorg-edgers version of xserver-xorg-video-ati drivers and use the
>> following command line:
>> # mir_demo_server --glog --glog-log-dir /home/darek/logs --vt 1
>> --glog-stderrthreshold 0 --display-report log --input-report log
>> --msg-processor-report log --session-mediator-report log --glog-minloglevel
>> 0
>> This ends up with a black screen (my display eventually goes to sleep
>> after a couple of seconds).
>> In the logs dir there was only a single file and it seem to freeze right
>> after starting:
>> I was unable to switch VTs (even to my default X session Ctrl+Alt+7).
>> After logging in via ssh from a different machine I did not see
>> mir_demo_server among the running processes.
>> I would appreciate any help with this issue and any hints for a
>> mir-hacker wannabe :)
>> Thanks,
>> Darek
>> --
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