BOINC v7+ required. Report problems in this thread.


Early problems with downloading the NVIDIA version (permission denied) have been solved.

---

The ATI/AMD version is throwing an error when work_units contain too much RFI.

The NV version is not touched by this problem.

---

_\|/_
U r s

This GPU/Driver version seems not to work with the current ATI/AMD app :

Name: Radeon HD 4870
Vendor: AMD
Driver version: 1.0

http://setiweb.ssl.berkeley.edu/beta/results.php?hostid=47801&offset=0&show_names=0&state=0&appid=14 Here the "ATIRadeonX2000GLDriver 8.12.47 12467" is used.

And here one can see how app fails on not recommended/incompatible platform (Snow Leopard) :
http://setiweb.ssl.berkeley.edu/beta/results.php?hostid=58273

Can't say if both failures are connected. Maybe that HD4870 uses the driver from Snow Leopard, because Apple has not provided a newer driver ?

---

_\|/_
U r s

#define CL_INVALID_WORK_GROUP_SIZE -54

Hi Urs,

It looks like the ATI version on lunatics was updated some time after I released this version.

Is this a problem with the older version?

Eric

---

Hi Urs,

It looks like the ATI version on lunatics was updated some time after I released this version.

Is this a problem with the older version?

Eric

No problem, the older version can run through all the usual tests with one exception : Only "too much RFI" early opt out will not work correct, this got fixed in that newer version. Sorry, the problem was recognized only a day after release here at Beta.

Please wait with updating the current version at least until the next weeks outage, maybe we can fix the bigger issue with the failure of the HD4870 also for the next release. New platform, new issues.


Urs

ps: Don't send this app (any version) to hosts using Darwin 10 (Snow Leopard). The recommended minimum is Darwin 11 (Lion).

---

_\|/_
U r s

No NVIDIA-GPU results so far ? Probably the new app does not work at all. But without feedback from other testers, how can we now for sure ?

---

_\|/_
U r s

I'm here. Trying to download a GPU task. It seems to be asking, but I haven't seen anything but VLARS.

Mon Jul 1 23:21:22 2013 | SETI@home Beta Test | Requesting new tasks for NVIDIA and ATI

Is there anything else I need to do?

Well, I just found the App at Lunatics. It's in the normal SETI project folder. Let's see if that works.

Mon Jul 1 23:53:32 2013 | SETI@home | Requesting new tasks for CPU and ATI

I'm here. Trying to download a GPU task. It seems to be asking, but I haven't seen anything but VLARS.

Mon Jul 1 23:21:22 2013 | SETI@home Beta Test | Requesting new tasks for NVIDIA and ATI

Is there anything else I need to do?

Well, I just found the App at Lunatics. It's in the normal SETI project folder. Let's see if that works.

Mon Jul 1 23:53:32 2013 | SETI@home | Requesting new tasks for CPU and ATI

Set your preferences only for Astropulse v6, and only for ATI GPU.

Claggy

I'm here. Trying to download a GPU task. It seems to be asking, but I haven't seen anything but VLARS.

Mon Jul 1 23:21:22 2013 | SETI@home Beta Test | Requesting new tasks for NVIDIA and ATI

Is there anything else I need to do?

Well, I just found the App at Lunatics. It's in the normal SETI project folder. Let's see if that works.

Mon Jul 1 23:53:32 2013 | SETI@home | Requesting new tasks for CPU and ATI

Set your preferences only for Astropulse v6, and only for ATI GPU.

Claggy

TBar got both, NV and ATI/AMD GPU, so he should try both apps.

ps: currently we seem to be out of AP work here at Beta.

---

_\|/_
U r s

I now have both ATI & nVidia tasks. The ATI task runs normally but the NV task starts then restarts;
state.fold_buf_size_short=65536; state.fold_buf_size_long=262144
OpenCL platform detected: Apple
Number of OpenCL devices found : 2
BOINC assigns slot on device #0.
Info: BOINC provided device ID used
ERROR: OpenCL kernel/call 'Quering NV device abilities' call failed (-30) in file ../../src/GPU_lock.cpp near line 271.
Waiting 30 sec before restart...
Running on device number: 0
AstroPulse v6.07
Darwin 10.7+ 64 bit, rel. Rev 1874, OpenCL version by Raistmer, GPU mode
V6, by Raistmer ported to OS X by Lunatics.kwsn.net team.

state.fold_buf_size_short=65536; state.fold_buf_size_long=262144
OpenCL platform detected: Apple
Number of OpenCL devices found : 2
BOINC assigns slot on device #0.
Info: BOINC provided device ID used
ERROR: OpenCL kernel/call 'Quering NV device abilities' call failed (-30) in file ../../src/GPU_lock.cpp near line 271.
Waiting 30 sec before restart...
Running on device number: 0
AstroPulse v6.07
Darwin 10.7+ 64 bit, rel. Rev 1874, OpenCL version by Raistmer, GPU mode
V6, by Raistmer ported to OS X by Lunatics.kwsn.net team.


I have the 4 NV tasks suspended for now. Suggestions?
The ATI task finished Task 3060200694

I now have both ATI & nVidia tasks. The ATI task runs normally but the NV task starts then restarts;
...
ERROR: OpenCL kernel/call 'Quering NV device abilities' call failed (-30) in file ../../src/GPU_lock.cpp near line 271.
Waiting 30 sec before restart...
...

I have the 4 NV tasks suspended for now. Suggestions?
The ATI task finished Task 3060200694

Thanks TBar, that lines of feedback i have been waiting for over the last week.


@ERIC, please deprecate the NVIDIA OpenCL AstroPulse 6.07 app as soon as possible, because it is not working at all.
Using decision between Fermi/non-Fermi GPUs on Mac's does not work the usual way.

For the ATI/AMD OpenCL AstroPulse 6.07 app you get a note later today where to find a first bugfix version.
Besides the already mentioned "too much RFI"-bugfix it will have some additional output to gain more info about the ATI Radeon HD4xxx issue.

---

_\|/_
U r s

Done.

---

I ran a few more of the ATI tasks. There was a problem with one task, ap_12se12aa_B3_P0_00143_20130607_10228.wu_2. At the restart time ### Restart at 49.55 percent, the computer froze requiring a hard restart. The pointer was still active, but everything else was frozen. After the first freeze I reset the task and started from zero. It froze a second time at the same time mark. There wasn't any indication of a problem in the Slot files, all appeared normal. I didn't reset the task after that freeze, and the task finished normally. There were a couple tasks run after that one without any problems.

I ran a few more of the ATI tasks. There was a problem with one task, ap_12se12aa_B3_P0_00143_20130607_10228.wu_2. At the restart time ### Restart at 49.55 percent, the computer froze requiring a hard restart. The pointer was still active, but everything else was frozen. After the first freeze I reset the task and started from zero. It froze a second time at the same time mark. There wasn't any indication of a problem in the Slot files, all appeared normal. I didn't reset the task after that freeze, and the task finished normally. There were a couple tasks run after that one without any problems.

Besides some background activities on your host, there is not much from the application side, that could be the reason.
Maybe your optimized settings do not fit completely to your GPU. Try some different values than :

DATA_CHUNK_UNROLL set to:10
FFA thread block override value:6144
FFA thread fetchblock override value:1536

At Beta the lowest setting is more of interest, so default is tested. Because that is what later will be automatically send to all the other users that maybe never try out anything different.
Did you have any problems with default settings so far ?

---

_\|/_
U r s

I ran a few more of the ATI tasks. There was a problem with one task, ap_12se12aa_B3_P0_00143_20130607_10228.wu_2. At the restart time ### Restart at 49.55 percent, the computer froze requiring a hard restart. The pointer was still active, but everything else was frozen. After the first freeze I reset the task and started from zero. It froze a second time at the same time mark. There wasn't any indication of a problem in the Slot files, all appeared normal. I didn't reset the task after that freeze, and the task finished normally. There were a couple tasks run after that one without any problems.

Besides some background activities on your host, there is not much from the application side, that could be the reason.
Maybe your optimized settings do not fit completely to your GPU. Try some different values than :

DATA_CHUNK_UNROLL set to:10
FFA thread block override value:6144
FFA thread fetchblock override value:1536

At Beta the lowest setting is more of interest, so default is tested. Because that is what later will be automatically send to all the other users that maybe never try out anything different.
Did you have any problems with default settings so far ?

No, other than the instance with BOINC 7.0.45 a while back I've never had any trouble running BOINC tasks. I still think that BSOD was caused by 7.0.45, that version had a habit of restarting upon encountering an error. Which brings me to ask if there is a way to run the 'stand alone' test inside BOINC instead of from a directory. I've managed to download the AP, and run a stand alone test with it. It seems it finished without a problem. What Mac software do you use to monitor processes such as with the Windows program SIV. I really miss the blinky light app with all those changing processes.
TomsMacPro:astropulse Tom$ chmod u+x ap_6.07r1874_sse3_clATI_OSX64
TomsMacPro:astropulse Tom$ ls -al
total 39880
drwxr-xr-x 10 Tom staff 340 Jul 3 11:00 .
drwxr-xr-x 4 Tom staff 136 Jul 1 21:49 ..
-rw-r--r--@ 1 Tom staff 6148 Jul 3 10:57 .DS_Store
drwxr-xr-x@ 7 Tom staff 238 Jul 3 10:58 APtestWUs3
-rw-r--r--@ 1 Tom staff 8046308 Jul 21 2011 APtestWUs3.7z
-rw-rw-r--@ 1 Tom staff 49533 Jun 20 15:34 AstroPulse_Kernels_r1874.cl
-rw-rw---- 1 Tom staff 49533 Jul 2 09:56 AstroPulse_Kernels_r1874_macos_nvidia.cl
-rwxrwxr-x@ 1 Tom staff 2896148 Jun 26 11:27 ap_6.07r1874_sse3_clATI_OSX64
-rwxrwx--x 1 Tom staff 962560 Jul 2 09:55 astropulse_6.07_x86_64-apple-darwin__opencl_nvidia_100
-rwxrwxrwx 1 Tom staff 8392047 Jul 3 04:19 in.dat
TomsMacPro:astropulse Tom$ ./ap_6.07r1874_sse3_clATI_OSX64
TomsMacPro:astropulse Tom$

single pulses: 2
repetitive pulses: 5
percent blanked: 2.39
Rep. pulse: peak_power=3676; dm=-1392; fft_num=0; scale=2064; ffa_scale=4; period=319.25
Rep. pulse: peak_power=4442; dm=-1728; fft_num=0; scale=3056; ffa_scale=4; period=261.96
Rep. pulse: peak_power=2522; dm=-2720; fft_num=0; scale=7248; ffa_scale=4; period=476.07
Rep. pulse: peak_power=3418; dm=2944; fft_num=0; scale=112; ffa_scale=4; period=344.73
Single pulse: peak_power=212.7; dm=-3688; scale=7
Single pulse: peak_power=92.02; dm=11140; scale=5
Rep. pulse: peak_power=2655; dm=-12896; fft_num=0; scale=5648; ffa_scale=4; period=450.05

USE_OPENCL OPENCL_WRITE USE_INCREASED_PRECISION SMALL_CHIRP_TABLE COMBINED_DECHIRP_KERNEL
rev 1874
12:01:54 (568): called boinc_finish

This time, it found only 2 single pulses instead of 30. I think that task is going to pull an invalid...

Since I had it setup, I tried the NV app using the same AP;
TomsMacPro:astropulse Tom$ chmod u+x astropulse_6.07_x86_64-apple-darwin__opencl_nvidia_100
TomsMacPro:astropulse Tom$ ls -al
total 41048
drwxr-xr-x 14 Tom staff 476 Jul 3 13:26 .
drwxr-xr-x 5 Tom staff 170 Jul 3 11:24 ..
-rw-r--r--@ 1 Tom staff 6148 Jul 3 13:26 .DS_Store
-rw-r--r-- 1 Tom staff 119995 Jul 3 11:11 AP_clFFTplan_ATIRadeonBartsPROPrototype_32768_r1874.bin
drwxr-xr-x@ 7 Tom staff 238 Jul 3 10:58 APtestWUs3
-rw-r--r--@ 1 Tom staff 8046308 Jul 21 2011 APtestWUs3.7z
-rw-rw-r--@ 1 Tom staff 49533 Jun 20 15:34 AstroPulse_Kernels_r1874.cl
-rw-r--r-- 1 Tom staff 467324 Jul 3 11:11 AstroPulse_Kernels_r1874.cl_ATIRadeonBartsPROPrototype.bin_V6
-rw-rw---- 1 Tom staff 49533 Jul 2 09:56 AstroPulse_Kernels_r1874_macos_nvidia.cl
drwxr-xr-x 11 Tom staff 374 Jul 3 13:26 ap_12se12aa_B3_P0_00143_20130607_10228.wu
-rwxrwxr-x@ 1 Tom staff 2896148 Jun 26 11:27 ap_6.07r1874_sse3_clATI_OSX64
-rwxrwx--x 1 Tom staff 962560 Jul 2 09:55 astropulse_6.07_x86_64-apple-darwin__opencl_nvidia_100
-rwxrwxrwx 1 Tom staff 8392047 Jul 3 04:19 in.dat
-rw-r--r-- 1 Tom staff 2264 Jul 3 11:11 r1874_IntelRXeonRCPUE5462280GHz.wisdom
TomsMacPro:astropulse Tom$ ./astropulse_6.07_x86_64-apple-darwin__opencl_nvidia_100
TomsMacPro:astropulse Tom$

I received the same error as before;

ERROR: OpenCL kernel/call 'Quering NV device abilities' call failed (-59) in file ../../src/GPU_lock.cpp near line 271.
Waiting 30 sec before restart...

There is also a file named 'boinc_temporary_exit' with a single entry; 30.

Since I can't seem to download any new tasks, I guess I'll go back to XP and continue to work on those tasks.

Thanks for your feedback TBar, that helpeed a lot.

The failure of the NV app in standalone mode was to expect. The failed query is in our source. It will be replaced in a new app version.

---

_\|/_
U r s

Seems I've run into some strange error when using two ATI cards. I was still getting the system freezes every few hours running Lion, so, I updated to Mountain Lion. The system freezes went away. Then I decided to replace the 250 with another ATI card. At first all seemed well, then I started getting this error with just the 6850. It is now to the point that I receive this error right away when running both cards at once. I just excluded the 7750 and the 6850 appears to be working by itself...so far. Any idea what this error is about?

<stderr_out>
<![CDATA[
<message>
process exited with code 193 (0xc1, -63)
</message>
<stderr_txt>
dyld: DYLD_ environment variables being ignored because main executable (/Library/Application Support/BOINC Data/slots/0/../../switcher/switcher) is setuid or setgid
Not using ap_cmdline.txt-file, using commandline options.
Running on device number: 0
AstroPulse v6.07
Darwin 10.7+ 64 bit,  rel.  Rev 1874, OpenCL version by Raistmer, GPU mode
 V6, by Raistmer ported to  OS X   by Lunatics.kwsn.net team. 

Build features: Non-graphics OpenCL COMBINED_DECHIRP_KERNEL FFTW USE_INCREASED_PRECISION SSE3 64bit 
 System: Darwin  x86_64  Kernel: 12.4.0
CPU : Intel(R) Xeon(R) CPU           E5462  @ 2.80GHz 
 GenuineIntel x86, Family 6 Model 23 Stepping 6
 Features : FPU VME DE PSE TSC MSR PAE MCE CX8 APIC SEP MTRR PGE MCA CMOV PAT PSE36 CLFSH DS ACPI MMX FXSR SSE SSE2 SS HTT TM PBE SSE3 DTES64 MON DSCPL VMX EST TM2 SSSE3 CX16 TPR PDCM SSE4.1

Number of OpenCL platforms:				 1


 OpenCL Platform Name:					 Apple
Number of devices:				 2
  Max compute units:				 14
  Max work group size:				 1024
  Max clock frequency:				 900Mhz
  Max memory allocation:			 268435456
  Cache type:					 None
  Cache line size:				 0
  Cache size:					 0
  Global memory size:				 1073741824
  Constant buffer size:				 65536
  Max number of constant args:			 8
  Local memory type:				 Scratchpad
  Local memory size:				 32768
  Queue properties:				 
    Out-of-Order:				 
  Name:						 ATI Radeon Barts PRO Prototype
  Vendor:					 AMD
  Driver version:				 1.0
  Version:					 OpenCL 1.1 
  Extensions:					 cl_APPLE_SetMemObjectDestructor cl_APPLE_ContextLoggingFunctions cl_APPLE_clut cl_APPLE_query_kernel_names cl_APPLE_gl_sharing cl_khr_gl_event cl_khr_global_int32_base_atomics cl_khr_global_int32_extended_atomics cl_khr_local_int32_base_atomics cl_khr_local_int32_extended_atomics cl_khr_byte_addressable_store
  Max compute units:				 10
  Max work group size:				 1024
  Max clock frequency:				 880Mhz
  Max memory allocation:			 134217728
  Cache type:					 None
  Cache line size:				 0
  Cache size:					 0
  Global memory size:				 536870912
  Constant buffer size:				 65536
  Max number of constant args:			 8
  Local memory type:				 Scratchpad
  Local memory size:				 32768
  Queue properties:				 
    Out-of-Order:				 
  Name:						 AMD Radeon HD Verde PRO Prototype Compute Engine
  Vendor:					 AMD
  Driver version:				 1.0
  Version:					 OpenCL 1.1 
  Extensions:					 cl_APPLE_SetMemObjectDestructor cl_APPLE_ContextLoggingFunctions cl_APPLE_clut cl_APPLE_query_kernel_names cl_APPLE_gl_sharing cl_khr_gl_event cl_khr_global_int32_base_atomics cl_khr_global_int32_extended_atomics cl_khr_local_int32_base_atomics cl_khr_local_int32_extended_atomics cl_khr_byte_addressable_store


state.fold_buf_size_short=65536; state.fold_buf_size_long=262144
OpenCL platform detected: Apple
Number of OpenCL devices found : 2 
BOINC assigns slot on device #0.
Info: BOINC provided device ID used
Used GPU device parameters are:
	Number of compute units: 14
	Single buffer allocation size: 256MB
	max WG size: 1024
GPU hang occurred, msgtracer returned -1
SIGABRT: abort called
dyld: DYLD_ environment variables being ignored because main executable (/bin/ps) is setuid or setgid
dyld: DYLD_ environment variables being ignored because main executable (/bin/ps) is setuid or setgid

Crashed executable name: ap_6.07r1874_sse3_clATI_OSX64
Machine type Intel 80486 (64-bit executable)
System version: Macintosh OS 10.8.4 build 12E55
Mon Jul  8 10:13:15 2013

dyld: DYLD_ environment variables being ignored because main executable (/usr/bin/atos) has __RESTRICT/__restrict section
atos cannot load symbols for the file ap_6.07r1874_sse3_clATI_OSX64 for architecture x86_64.
0   ap_6.07r1874_sse3_clATI_OSX64       0x00000001095be9a1  
1   ap_6.07r1874_sse3_clATI_OSX64       0x00000001095b1186  
2   libsystem_c.dylib                   0x00007fff928ef94a  
3   libsystem_c.dylib                   0x00007fff92906886  
4   libsystem_c.dylib                   0x00007fff92946dce  
5   libGPUSupportMercury.dylib          0x0000000109b50456  
6   libGPUSupportMercury.dylib          0x0000000109b50e1d  
7   AMDRadeonX3000GLDriver              0x0000000109f4b841  
8   AMDRadeonX3000GLDriver              0x0000000109f4b722  
9   AMDRadeonX3000GLDriver              0x0000000109f4baf8  
10  OpenCL                              0x00007fff91ea4665  
11  OpenCL                              0x00007fff91ea4ad2  
12  OpenCL                              0x00007fff91ec0672  
13  OpenCL                              0x00007fff91ec362d  
14  libdispatch.dylib                   0x00007fff934d50b6  
15  libdispatch.dylib                   0x00007fff934d6723  
16  OpenCL                              0x00007fff91ec34f7  
17  OpenCL                              0x00007fff91ebf876  
18  OpenCL                              0x00007fff91eb55d2  
19  ap_6.07r1874_sse3_clATI_OSX64       0x000000010956c08a  
20  ap_6.07r1874_sse3_clATI_OSX64       0x000000010956ce4a  
21  ap_6.07r1874_sse3_clATI_OSX64       0x000000010956f8ae  
22  ap_6.07r1874_sse3_clATI_OSX64       0x0000000109547d04  
23  ???                                 0x0000000000000003  

Thread 0 crashed with X86 Thread State (64-bit):
  rax: 0x0100001f  rbx: 0x00000028  rcx: 0x7fff56688108  rdx: 0x00000028
  rdi: 0x7fff56688170  rsi: 0x00000003  rbp: 0x7fff56688150  rsp: 0x7fff56688108
   r8: 0x00000c07   r9: 0x00000000  r10: 0x000003b0  r11: 0x00000206
  r12: 0x00000003  r13: 0x7fff56688170  r14: 0x00000c07  r15: 0x000003b0
  rip: 0x7fff94a4c686  rfl: 0x00000206

Binary Images Description:
       0x109547000 -        0x1097e4fff /Library/Application Support/BOINC Data/slots/0/../../projects/setiathome.berkeley.edu/ap_6.07r1874_sse3_clATI_OSX64
       0x1098d3000 -        0x1098dcfff /System/Library/Frameworks/OpenCL.framework/Libraries/libcldcpuengine.dylib
       0x109b42000 -        0x109b47fff /System/Library/PrivateFrameworks/IOAccelerator.framework/Versions/A/IOAccelerator
       0x109b4f000 -        0x109b5bfff /System/Library/PrivateFrameworks/GPUSupport.framework/Versions/A/Libraries/libGPUSupportMercury.dylib
       0x109b65000 -        0x109b90fff /System/Library/Frameworks/OpenGL.framework/Resources//GLRendererFloat.bundle/GLRendererFloat
       0x109d75000 -        0x10a03efff /System/Library/Extensions/AMDRadeonX3000GLDriver.bundle/Contents/MacOS/AMDRadeonX3000GLDriver
       0x10a09c000 -        0x10a20cfff /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLProgrammability.dylib
       0x10a911000 -        0x10acf4fff /System/Library/Extensions/AMDRadeonX4000GLDriver.bundle/Contents/MacOS/AMDRadeonX4000GLDriver
    0x7fff8d395000 -     0x7fff8d3effff /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/PrintCore.framework/Versions/A/PrintCore
    0x7fff8d3f0000 -     0x7fff8d446fff /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/HIServices.framework/Versions/A/HIServices
    0x7fff8d447000 -     0x7fff8ddd7fff /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreGraphics.framework/Versions/A/CoreGraphics
    0x7fff8ddd8000 -     0x7fff8ddebfff /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/LangAnalysis.framework/Versions/A/LangAnalysis
    0x7fff8de55000 -     0x7fff8de75fff /System/Library/Frameworks/ImageIO.framework/Versions/A/Resources/libPng.dylib
    0x7fff8de76000 -     0x7fff8de84fff /usr/lib/system/libsystem_network.dylib
    0x7fff8de85000 -     0x7fff8ded6fff /System/Library/Frameworks/SystemConfiguration.framework/Versions/A/SystemConfiguration
    0x7fff8e173000 -     0x7fff8e224fff /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/LaunchServices
    0x7fff8e26d000 -     0x7fff8e26efff /usr/lib/system/libsystem_blocks.dylib
    0x7fff8e26f000 -     0x7fff8e270fff /usr/lib/system/libdnsinfo.dylib
    0x7fff8e2a6000 -     0x7fff8e2a7fff /usr/lib/system/libremovefile.dylib
    0x7fff8e2a8000 -     0x7fff8e2acfff /System/Library/Frameworks/IOSurface.framework/Versions/A/IOSurface
    0x7fff8e2ad000 -     0x7fff8e2cefff /usr/lib/libCRFSuite.dylib
    0x7fff8e2cf000 -     0x7fff8e351fff /System/Library/PrivateFrameworks/Heimdal.framework/Versions/A/Heimdal
    0x7fff8e63c000 -     0x7fff8e65bfff /usr/lib/libresolv.9.dylib
    0x7fff8e65c000 -     0x7fff8e68afff /usr/lib/system/libsystem_m.dylib
    0x7fff8e68b000 -     0x7fff8e68dfff /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libCVMSPluginSupport.dylib
    0x7fff8f105000 -     0x7fff8f124fff /System/Library/PrivateFrameworks/ChunkingLibrary.framework/Versions/A/ChunkingLibrary
    0x7fff8f312000 -     0x7fff8f31ffff /System/Library/PrivateFrameworks/AppleFSCompression.framework/Versions/A/AppleFSCompression
    0x7fff8f320000 -     0x7fff8f351fff /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/DictionaryServices.framework/Versions/A/DictionaryServices
    0x7fff8f352000 -     0x7fff8f353fff /usr/lib/system/libsystem_sandbox.dylib
    0x7fff8f354000 -     0x7fff8f37efff /System/Library/Frameworks/CoreVideo.framework/Versions/A/CoreVideo
    0x7fff8f37f000 -     0x7fff8f391fff /usr/lib/libz.1.dylib
    0x7fff9035e000 -     0x7fff90593fff /System/Library/Frameworks/CoreData.framework/Versions/A/CoreData
    0x7fff9074b000 -     0x7fff907cafff /System/Library/Frameworks/SecurityFoundation.framework/Versions/A/SecurityFoundation
    0x7fff90a8e000 -     0x7fff90aa5fff /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib
    0x7fff90b37000 -     0x7fff90bfcfff /System/Library/PrivateFrameworks/CoreUI.framework/Versions/A/CoreUI
    0x7fff90bfd000 -     0x7fff90f14fff /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CarbonCore.framework/Versions/A/CarbonCore
    0x7fff9116e000 -     0x7fff9116efff /usr/lib/libOpenScriptingUtil.dylib
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Exiting...
</stderr_txt>
]]>
</stderr_out>
    <ready_to_report/>
    <completed_time>1373292795.941944</completed_time>

I've seen this line in a few tasks using Mountain Lion, as far as I know, it doesn't occur in Lion;
GPU hang occurred, msgtracer returned -1
SIGABRT: abort called
dyld: DYLD_ environment variables being ignored because main executable (/bin/ps) is setuid or setgid

-----
The second task running the 6850 by itself ended in an error, here;
Task 3065686019

TBar, that error is unknown to me, no idea.

Could you try to run Luxmark 2.0 using both GPUs, to see, if your specific two GPUs are working together correct with OpenCL ?

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