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Description of problem: The oom killer is continuing to kill other processes, while a process previously selected by oom killer is already freeing its memory. Meaning, oom killer kills more and innocent tasks. Version-Release number of selected component (if applicable): kernel-2.6.32-174.el6 and newer How reproducible: Create a simple mem hog process and the oom killer will kill it along with another innocent process. Steps to Reproduce: 1. swapoff -a 2. echo 1 > /proc/sys/vm/overcommit_memory 3. run mem hog process Actual results: The mem hog process is killed along with another innocent processes. Expected results: Only the mem hog process is killed. Additional info: Fixed by the following upstream commit: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c027a474a68065391c8773f6e83ed5412657e369
This request was evaluated by Red Hat Product Management for inclusion in a Red Hat Enterprise Linux maintenance release. Product Management has requested further review of this request by Red Hat Engineering, for potential inclusion in a Red Hat Enterprise Linux Update release for currently deployed products. This request is not yet committed for inclusion in an Update release.
Patch(es) available on kernel-2.6.32-196.el6
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. http://rhn.redhat.com/errata/RHSA-2011-1530.html