"libgcc_s.so.1 must be installed for pthread_cancel to work"

quietFinn

• December 27, 2013 10:00

Hello, in a VPS I did MySQL Upgrade from 5.1 to 5.5. After the upgrade I am getting a 500-error in some (not all) sites. In /usr/local/apache/logs/error_log I see this: [Fri Dec 27 17:22:45 2013] [error] [client xx.xxx.xxx.xx] libgcc_s.so.1 must be installed for pthread_cancel to work [Fri Dec 27 17:22:45 2013] [error] [client xx.xxx.xxx.xx] Premature end of script headers: index.php WHM 11.40.1 (build 8) CENTOS 6.5 x86_64 vmware PHP 5.2.17 mysql 5.5.34 Apache 2.2.26 libgcc_s.so.1 exists: /lib/libgcc_s.so.1 /lib64/libgcc_s.so.1 I ran EasyApache a few times with different settings, and upcp --force, still the same.

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  cPanelMichael

  • December 27, 2013 17:26

  Hello :) Could you check to see if there are any "RLimitMEM" limits in your Apache configuration file? Thank you.

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  quietFinn

  • December 27, 2013 18:06

  [quote="cPanelMichael, post: 1538902">Hello :) Could you check to see if there are any "RLimitMEM" limits in your Apache configuration file?
  Yes there is: grep "RLimitMEM" /usr/local/apache/conf/httpd.conf RLimitMEM 228335274

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  cPanelMichael

  • December 27, 2013 18:37

  Please try removing this limit to see if the issue continues. Thank you.

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  quietFinn

  • December 27, 2013 20:04

  [quote="cPanelMichael, post: 1539021">Please try removing this limit to see if the issue continues.
  Yes that solved it, thank you. Then I went to WHM -> Service Configuration -> Apache Configuration -> Memory Usage Restrictions That added the same line in httpd.conf, so the error was back. When I edited the line from RLimitMEM 228335274 to RLimitMEM 328335274 the error went away again. So it seems that for some reason in that server it's not safe to use that "Memory Usage Restrictions" function. And I suppose it's good to tell this: If you edit httpd.conf by yourself you have to run: /usr/local/cpanel/bin/apache_conf_distiller --update /usr/local/cpanel/bin/build_apache_conf /etc/rc.d/init.d/httpd -k restart
  

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  rpili1313

  • July 16, 2014 12:33

  Hi, I have the same problem but can't seem to find RMlimit line in the config file. Could you please help? I'm a noob an unix so pls be accurate on the commands :) Thx

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  cPanelMichael

  • July 22, 2014 18:48

  Could you elaborate on the details of how you are having the exact same problem? For instance, what error message do you receive? Thank you.

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  RonanRBR

  • August 20, 2014 17:15

  i have the same problem, but occurs only with limited user

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  cPanelMichael

  • August 20, 2014 17:33

  It's important to let us know what exact issue you are experiencing, as often times it's completely different than the original post. Thank you.

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