Under certain circumstances software event overflows go wrong and deadlock. Avoid trying to delete a timer from the timer callback. Upstream fix: a8b0ca17b80e92faab46ee7179ba9e99ccb61233 References: https://lkml.org/lkml/2011/7/27/337 https://lkml.org/lkml/2011/7/28/284
Statement: This issue did not affect Red Hat Enterprise Linux 4 and 5 as they did not include support for perf. This has been addressed in Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2011-1350.html and https://rhn.redhat.com/errata/RHSA-2012-0333.html.
This issue has been addressed in following products: Red Hat Enterprise Linux 6 Via RHSA-2011:1350 https://rhn.redhat.com/errata/RHSA-2011-1350.html
This issue has been addressed in following products: MRG for RHEL-6 v.2 Via RHSA-2012:0333 https://rhn.redhat.com/errata/RHSA-2012-0333.html