Running Mir on phablet
Daniel van Vugt
daniel.van.vugt at canonical.com
Tue Jul 30 08:52:59 UTC 2013
On the other hand, if you follow mterry's instructions for disabling
surfaceflinger, the screen never locks. So it seems like a good
We should make the instructions  a bit clearer and add them to the
docs in lp:mir.
On 30/07/13 16:38, Daniel van Vugt wrote:
> SurfaceFlinger actually coexists with Mir so long as it's not being used
> (Unity8). It's quite happy to let Mir flip buffers when it's not (stop
> ubuntu-touch-session USER=phablet).
> My issue is that I can't start Mir if it happens that the screen has
> been turned off (locked/screensaver). Mir doesn't have the smarts to
> know how to turn it on. Unless I'm doing something wrong...
> This issue was first reported as part of:
> On 30/07/13 16:24, Kevin Gunn wrote:
>> Hey Daniel,
>> I'm no expert, but is there a chance you're fighting with
>> surfaceflinger...this is what the intended Kevin usually says.
>> Apparently its fairly stubborn about being killed (and tries
>> aggressively restart)
>> Also, mterry had put together some updated instructions
>> just in case things have change from what process you might be following.
>> it has some surface flinger related instructions at the bottom...hoping
>> it helps.
>> On Tue, Jul 30, 2013 at 3:06 AM, Daniel van Vugt
>> <daniel.van.vugt at canonical.com <mailto:daniel.van.vugt at canonical.com>>
>> Kevin, anyone,
>> I notice running Mir on the latest phablet images (Nexus 4) is still
>> not foolproof. Half the time, when I stop Unity8, that completely
>> blanks the screen which prevents any Mir server from starting.
>> Mir can only start, it seems, if the screen is not fully blanked. If
>> it is blanked then I get permission errors (failed to unblank
>> display), even running as root.
>> What's the trick/recommended approach? It seems my old tricks don't
>> work any more now the phablet images are "flipped".
>> - Daniel
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