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Red Hat Product Errata RHBA-2015:1279 - Bug Fix Advisory
Issued:
2015-07-22
Updated:
2015-07-22

RHBA-2015:1279 - Bug Fix Advisory

  • Overview
  • Updated Packages

Synopsis

irqbalance bug fix and enhancement update

Type/Severity

Bug Fix Advisory

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

Updated irqbalance packages that fix several bugs and add various enhancements
are now available for Red Hat Enterprise Linux 6.

Description

The irqbalance packages provide a daemon that evenly distributes the interrupt
request (IRQ) load across multiple CPUs for enhanced performance.

The irqbalance packages have been upgraded to upstream version 1.0.7, which
provides a number of bug fixes and enhancements over the previous version.
Notably, irqbalance now works with Xen PV guest, broken deepest cache backport
has been fixed, and the IRQ migration algorithm has been enhanced. (BZ#1181720)

This update also fixes the following bugs:

  • Previously, the irqbalance utility did not set signal handlers for particular

signals. Consequently, when irqbalance received a signal other than SIGINT or
SIGHUP, it terminated without a cleanup. This update provides signal handlers
for SIGUSR1, SIGUSR2, and SIGTERM. As a result, irqbalance now stops gracefully
after finishing the current balancing iteration. (BZ#1158932)

  • Prior to this update, the /sys/bus/pci/devices file handle was not freed

properly if the directory was not available. As a consequence, a memory leak
occurred. With this update, the file handle is freed as expected when irqbalance
cannot open the directory, and memory leaks no longer occur in the described
situation. (BZ#1178247)

Users of irqbalance are advised to upgrade to these updated packages, which fix
these bugs and add these enhancements.

Solution

Before applying this update, make sure all previously released errata relevant
to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

Affected Products

  • Red Hat Enterprise Linux Server 6 x86_64
  • Red Hat Enterprise Linux Server 6 i386
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 x86_64
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 i386
  • Red Hat Enterprise Linux Workstation 6 x86_64
  • Red Hat Enterprise Linux Workstation 6 i386
  • Red Hat Enterprise Linux Desktop 6 x86_64
  • Red Hat Enterprise Linux Desktop 6 i386
  • Red Hat Enterprise Linux for Power, big endian 6 ppc64
  • Red Hat Enterprise Linux for Scientific Computing 6 x86_64
  • Red Hat Enterprise Linux Server from RHUI 6 x86_64
  • Red Hat Enterprise Linux Server from RHUI 6 i386

Fixes

  • BZ - 1152188 - Irqbalance didn't log failing to set SMP affinity
  • BZ - 1158932 - irqbalance signal handling
  • BZ - 1162247 - irqbalance wrong hostname in man page
  • BZ - 1178247 - irqbalance memory leak
  • BZ - 1178903 - irqbalance typo in help message
  • BZ - 1181720 - Rebase irqbalance to version 1.0.7

CVEs

(none)

References

(none)

Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux Server 6

SRPM
irqbalance-1.0.7-5.el6.src.rpm SHA-256: c2389c35a3208b36552b1d7ab2acd150c6b43e6c5cca520b155a14347e4d411a
x86_64
irqbalance-1.0.7-5.el6.x86_64.rpm SHA-256: 9efb717a50297cd90b6f0081d2323df9e0d8c7d493423d6e487b42d9ec90470a
irqbalance-debuginfo-1.0.7-5.el6.x86_64.rpm SHA-256: bca8c3a69d4e253fb2622a8061ab90f9e0bb0fd489cf49d5e986d748c3f3a434
i386
irqbalance-1.0.7-5.el6.i686.rpm SHA-256: 17a996a0074db952451373a592059b35d678a7d8e9a17c357a553a01c344976a
irqbalance-debuginfo-1.0.7-5.el6.i686.rpm SHA-256: 1b12cfce057c3faf3bd86763950304b6d661c6c21d7ca2e56f817b470d6ff743

Red Hat Enterprise Linux Server - Extended Life Cycle Support 6

SRPM
irqbalance-1.0.7-5.el6.src.rpm SHA-256: c2389c35a3208b36552b1d7ab2acd150c6b43e6c5cca520b155a14347e4d411a
x86_64
irqbalance-1.0.7-5.el6.x86_64.rpm SHA-256: 9efb717a50297cd90b6f0081d2323df9e0d8c7d493423d6e487b42d9ec90470a
irqbalance-debuginfo-1.0.7-5.el6.x86_64.rpm SHA-256: bca8c3a69d4e253fb2622a8061ab90f9e0bb0fd489cf49d5e986d748c3f3a434
i386
irqbalance-1.0.7-5.el6.i686.rpm SHA-256: 17a996a0074db952451373a592059b35d678a7d8e9a17c357a553a01c344976a
irqbalance-debuginfo-1.0.7-5.el6.i686.rpm SHA-256: 1b12cfce057c3faf3bd86763950304b6d661c6c21d7ca2e56f817b470d6ff743

Red Hat Enterprise Linux Workstation 6

SRPM
irqbalance-1.0.7-5.el6.src.rpm SHA-256: c2389c35a3208b36552b1d7ab2acd150c6b43e6c5cca520b155a14347e4d411a
x86_64
irqbalance-1.0.7-5.el6.x86_64.rpm SHA-256: 9efb717a50297cd90b6f0081d2323df9e0d8c7d493423d6e487b42d9ec90470a
irqbalance-debuginfo-1.0.7-5.el6.x86_64.rpm SHA-256: bca8c3a69d4e253fb2622a8061ab90f9e0bb0fd489cf49d5e986d748c3f3a434
i386
irqbalance-1.0.7-5.el6.i686.rpm SHA-256: 17a996a0074db952451373a592059b35d678a7d8e9a17c357a553a01c344976a
irqbalance-debuginfo-1.0.7-5.el6.i686.rpm SHA-256: 1b12cfce057c3faf3bd86763950304b6d661c6c21d7ca2e56f817b470d6ff743

Red Hat Enterprise Linux Desktop 6

SRPM
irqbalance-1.0.7-5.el6.src.rpm SHA-256: c2389c35a3208b36552b1d7ab2acd150c6b43e6c5cca520b155a14347e4d411a
x86_64
irqbalance-1.0.7-5.el6.x86_64.rpm SHA-256: 9efb717a50297cd90b6f0081d2323df9e0d8c7d493423d6e487b42d9ec90470a
irqbalance-debuginfo-1.0.7-5.el6.x86_64.rpm SHA-256: bca8c3a69d4e253fb2622a8061ab90f9e0bb0fd489cf49d5e986d748c3f3a434
i386
irqbalance-1.0.7-5.el6.i686.rpm SHA-256: 17a996a0074db952451373a592059b35d678a7d8e9a17c357a553a01c344976a
irqbalance-debuginfo-1.0.7-5.el6.i686.rpm SHA-256: 1b12cfce057c3faf3bd86763950304b6d661c6c21d7ca2e56f817b470d6ff743

Red Hat Enterprise Linux for Power, big endian 6

SRPM
irqbalance-1.0.7-5.el6.src.rpm SHA-256: c2389c35a3208b36552b1d7ab2acd150c6b43e6c5cca520b155a14347e4d411a
ppc64
irqbalance-1.0.7-5.el6.ppc64.rpm SHA-256: 636db38e7a1964b63cd6c05dbeab18d20870314c312ff2bdcded50661111d739
irqbalance-debuginfo-1.0.7-5.el6.ppc64.rpm SHA-256: f6d9997f6d6edd2375258d77f44f2291853fc7ef6d0446740ad560d95bd058ee

Red Hat Enterprise Linux for Scientific Computing 6

SRPM
irqbalance-1.0.7-5.el6.src.rpm SHA-256: c2389c35a3208b36552b1d7ab2acd150c6b43e6c5cca520b155a14347e4d411a
x86_64
irqbalance-1.0.7-5.el6.x86_64.rpm SHA-256: 9efb717a50297cd90b6f0081d2323df9e0d8c7d493423d6e487b42d9ec90470a
irqbalance-debuginfo-1.0.7-5.el6.x86_64.rpm SHA-256: bca8c3a69d4e253fb2622a8061ab90f9e0bb0fd489cf49d5e986d748c3f3a434

Red Hat Enterprise Linux Server from RHUI 6

SRPM
irqbalance-1.0.7-5.el6.src.rpm SHA-256: c2389c35a3208b36552b1d7ab2acd150c6b43e6c5cca520b155a14347e4d411a
x86_64
irqbalance-1.0.7-5.el6.x86_64.rpm SHA-256: 9efb717a50297cd90b6f0081d2323df9e0d8c7d493423d6e487b42d9ec90470a
irqbalance-debuginfo-1.0.7-5.el6.x86_64.rpm SHA-256: bca8c3a69d4e253fb2622a8061ab90f9e0bb0fd489cf49d5e986d748c3f3a434
i386
irqbalance-1.0.7-5.el6.i686.rpm SHA-256: 17a996a0074db952451373a592059b35d678a7d8e9a17c357a553a01c344976a
irqbalance-debuginfo-1.0.7-5.el6.i686.rpm SHA-256: 1b12cfce057c3faf3bd86763950304b6d661c6c21d7ca2e56f817b470d6ff743

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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