Hello Guys,

any news on this thread, is this a confirmed bug with the 10.8 AMD GL drivers ? 
I got the same crash reports from customers, they said everything was OK with 
10.6/10.7, the problem happens after upgrading to 10.8. All of them have Radeon 
6770M based Macbook Pros.

Thanks,

Tamas

On Aug 6, 2012, at 7:17 PM, Ken Aspeslagh <[email protected]> wrote:

> Hi Christopher,
> 
> Thank you for your interest in this!  
> 
> - I'll include the crash reports from two customers. 
> - I haven't reproduced this myself yet, so I haven't been able to experiment 
> or troubleshoot.  If you think it could be graphics card related I'd have to 
> try and get on a similar system.
> - The (very nearly) identical crash I found online (from QuarkXPress on 10.8) 
> was actually on the main thread. 
> https://discussions.apple.com/thread/4159947?start=0&tstart=0
> - We haven't seen this before 10.8.
> - Both customers who've sent these logs said everything was fine until they 
> upgraded to 10.8.
> - One customer is on a MacPro, the other on a Mac Mini.
> 
> Thanks,
> Ken
> 
> <iGlasses_2012-07-26-132305_Window-Three-Main.crash><iGlasses_2012-08-02-101251_LuckiMacPro.crash>
> 
> On Aug 6, 2012, at 12:00 PM, Christopher Wright wrote:
> 
>> Do these happen if you run the QCRenderer on the main thread?  Even though 
>> you say nothing interesting is happening on other threads, can you include 
>> their backtraces as well (or an entire crash log, if you're able to do so)?
>> 
>> On Aug 5, 2012, at 5:00 AM, Ken Aspeslagh <[email protected]> wrote:
>> 
> 
>>> Hi,
>>> 
>>> Some customers are crashing randomly here since upgrading to 10.8.  Have 
>>> not yet reproduced it. Anyone have any ideas?  Googling for similar stack 
>>> traces turns up only a similar crasher in Quark 5.8, also on Mountain Lion.
>>> 
>>> User appears to be on a AMDRadeonX3000 on a Mac Pro. Still trying to gather 
>>> more info from other users.
>>> 
>>> Thanks!
>>> -Ken
>>> 
>>> Nothing interesting happening on other threads. This is my main rendering 
>>> loop where I render the QC composition offscreen using a QCRenderer. 
>>> 
>>> Thread 5 Crashed:
>>> 0   libGPUSupportMercury.dylib      0x0000000103feee87 gldObjectPurgeable + 
>>> 339
>>> 1   GLEngine                        0x000000010c93f6c7 gleObjectPurgeable + 
>>> 393
>>> 2   GLEngine                        0x000000010c860fa9 
>>> glObjectPurgeableAPPLE_Exec + 266
>>> 3   com.apple.QuartzComposer        0x00007fff8b5ff91b 
>>> -[QCImageTextureBuffer setPurgeable:] + 337
>>> 4   com.apple.QuartzComposer        0x00007fff8b5d46db -[QCCache(Internal) 
>>> _runGarbageCollectionForAge] + 690
>>> 5   com.apple.QuartzComposer        0x00007fff8b5d9375 -[QCCache(Private) 
>>> _collectResourcesForAge] + 82
>>> 6   com.apple.QuartzComposer        0x00007fff8b5d899b -[QCImageManager 
>>> optimizeCaches] + 617
>>> 7   com.apple.QuartzComposer        0x00007fff8b5d857f -[QCImageManager 
>>> reclaimResources] + 141
>>> 8   com.apple.QuartzComposer        0x00007fff8b5e4975 -[QCGraphicsContext 
>>> renderPatch:time:arguments:] + 148
>>> 9   com.apple.QuartzComposer        0x00007fff8b5e3ad2 -[QCOpenGLContext 
>>> renderPatch:time:arguments:] + 562
>>> 10  com.apple.QuartzComposer        0x00007fff8b5e3889 -[QCPatch(Runtime) 
>>> render:arguments:] + 76
>>> 11  com.apple.QuartzComposer        0x00007fff8b609597 -[QCRenderer 
>>> renderAtTime:arguments:] + 32
>>> 12  com.ecamm.iGlassesAgent         0x0000000100008730 -[AppView 
>>> renderAtTime:arguments:black:] + 1443
>>> 13  com.ecamm.iGlassesAgent         0x000000010000cec4 -[AppView update] + 
>>> 127
>>> 14  com.ecamm.iGlassesAgent         0x0000000100006102 -[AppView 
>>> timerThreadLoop:] + 171
>>> 15  com.ecamm.iGlassesAgent         0x0000000100005006 -[AppController 
>>> timerThread:] + 123
>>> 16  com.apple.Foundation            0x00007fff97020842 __NSThread__main__ + 
>>> 1345
>>> 17  libsystem_c.dylib               0x00007fff94ad5782 _pthread_start + 327
>>> 18  libsystem_c.dylib               0x00007fff94ac21c1 thread_start + 13
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>> 
>> --
>> Christopher Wright
>> [email protected]
>> 
>> 
>> 
> 
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