Tobias Pape wrote
> On 19.07.2016, at 20:47, Eliot Miranda <

> eliot.miranda@

> > wrote:
> 
>> On Tue, Jul 19, 2016 at 10:05 AM, Tobias Pape <

> Das.Linux@

> > wrote:
>> Hi,
>> 
>> On 19.07.2016, at 18:02, Eliot Miranda <

> eliot.miranda@

> > wrote:
>> 
>> >
>> >
>> >> On Jul 18, 2016, at 9:43 PM, marcel.taeumel <

> Marcel.Taeumel@

> > wrote:
>> >>
>> >> Eliot Miranda-2 wrote
>> >>> Hi ALl,
>> >>>
>> >>>  I'm seeing a lock up that appears to be on window dragging.  This is
>> on
>> >>> Mac OS X with a new VM.  The symptom is that the screen goes blank. 
>> I see
>> >>> this process when sending SIGUSR1 to the process:
>> >>>
>> >>> Process  0x4800ad0 priority 40
>> >>> 0xbffac304 M [] in Delay>wait 0x4802858: a(n) Delay
>> >>> 0xbffac324 M BlockClosure>ifCurtailed: 0x4a920e0: a(n) BlockClosure
>> >>> 0xbffac340 M Delay>wait 0x4802858: a(n) Delay
>> >>> 0xbffac36c M Rectangle>newRectFrom: 0x4803df0: a(n) Rectangle
>> >>> 0xbffac39c I PluggableSystemWindow(SystemWindow)>doFastFrameDrag:
>> >>> 0x4802740: a(n) PluggableSystemWindow
>> >>> 0xbffac3b8 M PluggableSystemWindow(SystemWindow)>startDragFromLabel:
>> >>> 0x4802740: a(n) PluggableSystemWindow
>> >>> 0xbffac3d8 M EventHandler>send:to:withEvent:fromMorph: 0x4803f30:
>> a(n)
>> >>> EventHandler
>> >>> 0xbffac408 I EventHandler>startDrag:fromMorph: 0x4803f30: a(n)
>> >>> EventHandler
>> >>> 0xbffac428 M StringMorph(Morph)>startDrag: 0x4801458: a(n)
>> StringMorph
>> >>> 0xbffac44c I MouseClickState>drag: 0x4803fc8: a(n) MouseClickState
>> >>> 0xbffac474 M MouseClickState>handleEvent:from: 0x4803fc8: a(n)
>> >>> MouseClickState
>> >>> 0xbffac498 M HandMorph>handleEvent: 0x5cef1a0: a(n) HandMorph
>> >>> 0xbffac4c4 M HandMorph>processEvents 0x5cef1a0: a(n) HandMorph
>> >>> 0xbffac4e0 M [] in WorldState>doOneCycleNowFor: 0x5d1ba70: a(n)
>> WorldState
>> >>> 0xbffac504 M Array(SequenceableCollection)>do: 0x4e6fa10: a(n) Array
>> >>> 0xbffac520 M WorldState>handsDo: 0x5d1ba70: a(n) WorldState
>> >>> 0xbffac540 M WorldState>doOneCycleNowFor: 0x5d1ba70: a(n) WorldState
>> >>> 0xbffac55c M WorldState>doOneCycleFor: 0x5d1ba70: a(n) WorldState
>> >>> 0xbffac578 M PasteUpMorph>doOneCycle 0x52d8780: a(n) PasteUpMorph
>> >>> 0xbffac590 M [] in MorphicProject>spawnNewProcess 0x604fe08: a(n)
>> >>> MorphicProject
>> >>> 0xbffac5b0 I [] in BlockClosure>newProcess 0x48040b8: a(n)
>> BlockClosure
>> >>>
>> >>> _,,,^..^,,,_
>> >>> best, Eliot
>> >>
>> >> Hi Eliot,
>> >>
>> >> since you are calling Rectangle >>#newRectFrom:, I suppose you have
>> "Fast
>> >> Morphic Drag" enabled. There, you continuously call Form >>
>> >> #border:width:rule:fillColor:.
>> >>
>> >> Hence, I think some latest changes in the VM's graphics backend for
>> Mac OSX
>> >> are buggy.
>> >
>> > Then should we revert?  I lost a days work did to this.  Tobias?
>> 
>> try it, go ahead and revert
>>         a5f7c3e451b9fb643fb9d1e95819169394218082 (scale factor)
>> or
>>         df90dec754e10e5c57246e1ad8f75550f559f8cb (high-dpi)
>> (for example with
>>         git revert THE_HASH
>> or
>>         git revert -n THE_HASH
>> to just see if it works)
>> 
>> I've seen the screen go blank, too (White, in my case) but resizing the
>> window restored things, why so ever. However, I had it happen _before_
>> any
>> of my changes, too. (But not with the CGView based backend, IIRC)
>> 
>> Ah brilliant!  Now I can wait until you fix it.  Thanks, Tobias, the
>> resize is great.  But I'd really appreciate a fix reasonably prompty!!
> 
> Sorry, ain't got no fix for that.
> And since I have to always set up the Xcode-stuff manually, I cannot debug
> this reasonably.
> To be frank, I'll actually only have time for VM stuff in September
> earliest.
> Since this is obviously a tad late, feel free to revert my stuff; I cannot
> promise that this will fix 
> things, maybe things only break less often.
> 
> Best regards
> 	-Tobi
> 
> PS: The cocoa vm keycodes are off. Cmd-0 does not send cmd-0. Sligthly
> intoxicated tobi out
> 
>>  
>> 
>> >
>> >> Btw: A while ago, Bert did observe that fast drag is faster in
>> SqueakJS than
>> >> it is in the Mac OSX build of the CogVM. :-D
>> >
>> > And this is a criticism of what?
>> 
>> I didn't know that criticism  starts with "By the way"…
>> 
>> >
>> >> What's the current state of
>> >> affairs?
>> >
>> > That the Mac VM is now unstable, and as my main work platform that is
>> very bad news.
>> 
>> it has been before, too, just to say…
>> 
>> Best regards
>>         -Tobi
>> 
>> >
>> >>
>> >> Best,
>> >> Marcel
>> >>
>> >>
>> >>

Hey Tobias,

we should fix the keyboard-event bugs on the Mac until the 5.1 release.
Maybe we can pair-prog some afternoon to debug it. :-)

Best,
Marcel



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