I'd recommend trying out qc totally stock, with no third party addons, for 
awhile. Even if compositions you're working on don't involve plugins when you 
have the crashes. 

It may be that you still experience the crashes, but it may also get rid of 
them.

The one thing, on my system at least, that I find can make qc crash is 
accessing two video patches at the same time, whether in the same or different 
compositions or apps.

I wouldn't use OpenCL in any production scenario; even when you hit on 
something stable on your machine, gpu support differs greatly as does 
acceptable code for various OS versions.

JavaScript can be OK, but I'd be wary of using a large amount of JavaScript 
patches simultaneously; it seems like it's possible to basically ask more than 
can be given, and spike the CPU into the app crashing. Which I guess isn't a 
surprise.

Best regards,
George Toledo

On Mar 19, 2014, at 10:27 PM, Dimitri Delcourt <[email protected]> wrote:

> All right, all right.
> 
> So, I rebuilt the same file from scratch, and it didn’t crash while I was 
> editing it. Under Mavericks.
> But did crash after saving the new file and reopening it later.
> 
> I’ve come to the point where I don’t know what’s buggy and what’s not 
> anymore. 
> Closing a viewer window can make QC crash.
> Quitting QC makes it crash. How’s that for a metaphor?
> 
> Both files are doing fine under 10.6.
> 
> Well.
> 
> d.
> 
> 
> 
> On 19 Mar 2014, at 03:02, Dimitri Delcourt <[email protected]> wrote:
> 
>> Here’s another crash, and another log.
>> Under Mavericks.
>> 
>> File: dd_AngleDistance.qtz
>> 
>> QC doesn’t crash at once, but after a while.
>> Can anyone replicate?
>> 
>> d.
>> _______________________________
>> 
>> 
>> 
>> Process:         Quartz Composer [513]
>> Path:            /Applications/Graphic Tools/Quartz 
>> Composer.app/Contents/MacOS/Quartz Composer
>> Identifier:      com.apple.QuartzComposer.editor
>> Version:         4.6 (151)
>> Build Info:      QuartzComposerEditor-151000000000000~138
>> Code Type:       X86-64 (Native)
>> Parent Process:  launchd [156]
>> Responsible:     Quartz Composer [513]
>> User ID:         501
>> 
>> Date/Time:       2014-03-19 02:54:37.349 +0100
>> OS Version:      Mac OS X 10.9.2 (13C64)
>> Report Version:  11
>> Anonymous UUID:  D96A22BC-E7D8-1CE3-A109-4BE840A6598A
>> 
>> 
>> Crashed Thread:  0  Dispatch queue: com.apple.main-thread
>> 
>> Exception Type:  EXC_BAD_ACCESS (SIGBUS)
>> Exception Codes: KERN_PROTECTION_FAILURE at 0x000000011494f000
>> 
>> VM Regions Near 0x11494f000:
>>     IOKit                  0000000114947000-000000011494f000 [   32K] 
>> rw-/rw- SM=ALI  
>> --> IOKit                  000000011494f000-0000000114950000 [    4K] 
>> r--/r-- SM=ALI  
>>     IOKit                  0000000114950000-0000000114971000 [  132K] 
>> rw-/rw- SM=ALI  
>> 
>> Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
>> 0   com.apple.IOAccelerator          0x00007fff9351ceee 
>> IOAccelContextAddResource + 23
>> 1   libGPUSupportMercury.dylib       0x00007fff89e0a4c7 gldObjectPurgeable + 
>> 837
>> 2   GLEngine                         0x00007fff90f7bc64 gleObjectPurgeable + 
>> 853
>> 3   GLEngine                         0x00007fff90ee1b54 
>> glObjectPurgeableAPPLE_Exec + 191
>> 4   com.apple.QuartzComposer         0x00007fff8a1edf1d 
>> -[QCImageTextureBuffer setPurgeable:] + 676
>> 5   com.apple.QuartzComposer         0x00007fff8a1c3915 -[QCCache(Internal) 
>> _runGarbageCollectionForAge] + 636
>> 6   com.apple.QuartzComposer         0x00007fff8a1c82a3 -[QCCache(Private) 
>> _collectResourcesForAge] + 86
>> 7   com.apple.QuartzComposer         0x00007fff8a1c79e3 -[QCImageManager 
>> optimizeCaches] + 601
>> 8   com.apple.QuartzComposer         0x00007fff8a1c75fb -[QCImageManager 
>> reclaimResources] + 138
>> 9   com.apple.QuartzComposer         0x00007fff8a1d3a4c -[QCGraphicsContext 
>> renderPatch:time:arguments:] + 139
>> 10  com.apple.QuartzComposer         0x00007fff8a1d2bdc -[QCOpenGLContext 
>> renderPatch:time:arguments:] + 538
>> 11  com.apple.QuartzComposer         0x00007fff8a1d29ac -[QCPatch(Runtime) 
>> render:arguments:] + 76
>> 12  com.apple.QuartzComposer         0x00007fff8a2858b7 -[QCView 
>> renderAtTime:arguments:] + 76
>> 13  com.apple.QuartzComposer.editor  0x000000010f619597 0x10f60a000 + 62871
>> 14  com.apple.QuartzComposer         0x00007fff8a285b98 -[QCView 
>> render:arguments:] + 700
>> 15  com.apple.QuartzComposer         0x00007fff8a2856b2 -[QCView 
>> _renderTimer] + 375
>> 16  com.apple.QuartzComposer         0x00007fff8a259268 _TimerCallback + 82
>> 17  com.apple.CoreFoundation         0x00007fff8a851564 
>> __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 20
>> 18  com.apple.CoreFoundation         0x00007fff8a85109f __CFRunLoopDoTimer + 
>> 1151
>> 19  com.apple.CoreFoundation         0x00007fff8a8c25aa __CFRunLoopDoTimers 
>> + 298
>> 20  com.apple.CoreFoundation         0x00007fff8a80c8e5 __CFRunLoopRun + 1525
>> 21  com.apple.CoreFoundation         0x00007fff8a80c0b5 CFRunLoopRunSpecific 
>> + 309
>> 22  com.apple.HIToolbox              0x00007fff9118ca0d 
>> RunCurrentEventLoopInMode + 226
>> 23  com.apple.HIToolbox              0x00007fff9118c7b7 
>> ReceiveNextEventCommon + 479
>> 24  com.apple.HIToolbox              0x00007fff9118c5bc 
>> _BlockUntilNextEventMatchingListInModeWithFilter + 65
>> 25  com.apple.AppKit                 0x00007fff935443de _DPSNextEvent + 1434
>> 26  com.apple.AppKit                 0x00007fff93543a2b -[NSApplication 
>> nextEventMatchingMask:untilDate:inMode:dequeue:] + 122
>> 27  com.apple.AppKit                 0x00007fff93537b2c -[NSApplication run] 
>> + 553
>> 28  com.apple.QuartzComposer.editor  0x000000010f60ce89 0x10f60a000 + 11913
>> 29  com.apple.AppKit                 0x00007fff93522913 NSApplicationMain + 
>> 940
>> 30  libdyld.dylib                    0x00007fff8db6d5fd start + 1
> 
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