Hi Nisarg,

I do not have "MS_outputids.bin" directory but I have 5 *.dot files in
the directory I ran the program.

Cheers,
Ilya

On 09.05.20 00:15, NISARG SHAH wrote:
> Hi Ilya,
> 
> From the backtrace, it looks like the error is due to the program not
> being able to read from a temporary file "MS_outputids.bin" that is
> creates initially. Can you check if it exists in the directory from
> where you ran the program? Also, can you check if 5 *.dot files are
> present in the same directory?
> 
> Thanks
> Nisarg
> 
> ------------------------------------------------------------------------
> *From:* Dyninst-api <dyninst-api-boun...@cs.wisc.edu> on behalf of Ilya
> Zhukov <i.zhu...@fz-juelich.de>
> *Sent:* Wednesday, May 6, 2020 7:16 AM
> *To:* dyninst-api@cs.wisc.edu <dyninst-api@cs.wisc.edu>
> *Subject:* [DynInst_API:] mutateLibcuda segfaults
>  
> Dear dyinst developers,
> 
> I'm testing your cuda_sync_analyze tool on our cluster for CUDA/10.1.105.
> 
> I installed dyinst and cuda_sync_analyze (cmake and make logs in attach)
> successfully. But I get segmentation fault when I create fake CUDA library.
> 
> Here is a backtrace
>> #0  0x00002b0a9658c4bc in fseek () from /usr/lib64/libc.so.6
>> #1  0x00002b0a93b7eb29 in LaunchIdentifySync::PostProcessing 
>> (this=this@entry=0x7fff1af88af0, allFound=...) at 
>> /p/project/cslts/zhukov1/work/tools/dyninst/tools/cuda_sync_analyzer/src/LaunchIdentifySync.cpp:90
>> #2  0x00002b0a93b7c00f in 
>> CSA_FindSyncAddress(std::__cxx11::basic_string<char, std::char_traits<char>, 
>> std::allocator<char> >&) () at 
>> /p/project/cslts/zhukov1/work/tools/dyninst/tools/cuda_sync_analyzer/src/FindCudaSync.cpp:34
>> #3  0x00000000004021fb in main () at 
>> /p/project/cslts/zhukov1/work/tools/dyninst/tools/cuda_sync_analyzer/src/main.cpp:15
>> #4  0x00002b0a96537505 in __libc_start_main () from /usr/lib64/libc.so.6
>> #5  0x000000000040253e in _start () at 
>> /p/project/cslts/zhukov1/work/tools/dyninst/tools/cuda_sync_analyzer/src/main.cpp:38
> 
> Any help will be appreciated. If you need anything else let me know.
> 
> Best wishes,
> Ilya
> -- 
> Ilya Zhukov
> Juelich Supercomputing Centre
> Institute for Advanced Simulation
> Forschungszentrum Juelich GmbH
> 52425 Juelich, Germany
> 
> Phone: +49-2461-61-2054
> Fax: +49-2461-61-2810
> E-mail: i.zhu...@fz-juelich.de
> WWW: http://www.fz-juelich.de/jsc

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