error: libunwind.so: cannot open shared object file: No such file or directory #157

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1. planrich commented on Oct 20, 2017

   

   planrich

   on Oct 20, 2017

   Contributor

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   Looking at that right now. As far as I can tell, the wheels (0.4.9) at least contain a built version of libunwind.so...
2. squeaky-pl commented on Oct 22, 2017

   

   squeaky-pl

   on Oct 22, 2017

   Last edited by squeaky-pl

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   @planrich you can reproduce it at least on Fedora by installing from HEAD tarball:

   venv/bin/pip install https://github.com/vmprof/vmprof-python/archive/master.zip
   venv/bin/pypy -m vmprof ...
   

   it's because you dont look for libunwind with the SO version in the name:

   ls -lha /usr/lib64/libunwind*      
   lrwxrwxrwx. 1 root root  27 Jun  1 22:34 /usr/lib64/libunwind-coredump.so.0 -> libunwind-coredump.so.0.0.0
   -rwxr-xr-x. 1 root root 15K Jun  1 22:34 /usr/lib64/libunwind-coredump.so.0.0.0
   lrwxrwxrwx. 1 root root  18 Jun  1 22:34 /usr/lib64/libunwind.so.8 -> libunwind.so.8.0.1
   -rwxr-xr-x. 1 root root 48K Jun  1 22:34 /usr/lib64/libunwind.so.8.0.1
   lrwxrwxrwx. 1 root root  25 Jun  1 22:34 /usr/lib64/libunwind-x86_64.so.8 -> libunwind-x86_64.so.8.0.1
   -rwxr-xr-x. 1 root root 68K Jun  1 22:34 /usr/lib64/libunwind-x86_64.so.8.0.1
   

   Of course I can make a symlink to solve this but I guess you should try several names before giving up.
3. hieu-n commented on Oct 28, 2017

   

   hieu-n

   on Oct 28, 2017

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   For anyone who came here from Google. On Ubuntu, this can be fixed by installing libunwind-dev package:

   sudo apt-get install -y libunwind-dev

   👍React with 👍46Reacted by Michael Greene, Adam Veldhousen, Jeff Carpenter, Tongyao Si, Efthimis C., Hirbod Behnam, Ignas Sakalauskas, Přemysl Karbula, Jonas Rabe, Adam Rhine and 36 more
4. planrich

   added a commit that references this issue on Nov 27, 2017

   wheel cannot load libunwind.so, wheel names them with a hash included…

   ...

   fd3a60a
5. planrich commented on Nov 28, 2017

   

   planrich

   on Nov 28, 2017

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   Can you try again with version 0.4.11.dev2? ($ pip install vmprof --pre). I tried on an ubuntu machine (32bit, 12.04) and it successfully loaded vmprof.so from the wheel.
6. Joeyscat commented on Mar 3, 2021

   

   Joeyscat

   on Mar 3, 2021

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   On CentOS

   yum install libunwind-devel libunwind

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