Red Hat Linux 6.6, 7.0 or 7.1 of Haswell-based processes has a bug which causes a user processes deadlock and hangs with AS members.

Red Hat Linux 6.6, 7.0 or 7.1 of Haswell-based processes has a bug which causes a user processes deadlock and hangs with AS members.

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Article ID: KB0092828

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Updated On:

Products Versions
TIBCO ActiveSpaces -
Not Applicable -

Description

Resolution:
The following issues are seen with with Red Hat Linux 6.6, 7.0 or 7.1

Red Hat Linux 6.6 : kernel 2.6.32-504

Red Hat Linux 7.0 : kernel 3.10.0-123

Red Hat Linux 7.1 : kernel 3.10.0-229

  • User processes can deadlock and hang.
  • Missed heartbeats between members.
  • Network packet drop between cluster members.
  • Send is taking a long time on a connection.
  • AS members stop responding causing threads (process count) to grow. 

There is know issue "futex_wait() bug" with Red Hat Linux 6.6, 7.0 or 7.1 . This is fixed in later versions. Upgrade to a later version will resolve the issue.


Details regarding this bug can be found at the following link : https://access.redhat.com/solutions/1386323


Useful links regarding this problem follow:  https://groups.google.com/forum/#!topic/mechanical-sympathy/QbmpZxp6C64, https://www.infoq.com/news/2015/05/redhat-futex


Based on CPU info you can find Haswell processor : http://ark.intel.com/products/codename/42174/Haswell#@Server

Issue/Introduction

Red Hat Linux 6.6, 7.0 or 7.1 of Haswell-based processes has a bug which causes a user processes deadlock and hangs with AS members.

Environment

ActiveSpaces 2.1.* OS:Red Hat Linux 6.6, 7.0 or 7.1

Additional Information

More details about bug refer below link : https://access.redhat.com/solutions/1386323


Useful links regarding this problem:  https://groups.google.com/forum/#!topic/mechanical-sympathy/QbmpZxp6C64, https://www.infoq.com/news/2015/05/redhat-futex


Based on CPU info you can find Haswell processor : http://ark.intel.com/products/codename/42174/Haswell#@Server

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