Issued:
2013-11-20
Updated:
2013-11-20

RHBA-2013:1583 - irqbalance bug fix update

Synopsis

irqbalance bug fix update

Type/Severity

Bug Fix Advisory

Topic

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

Description

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

This update fixes the following bugs:

  • Previously, irqbalance warned about MSI interrupts, and that IRQs would not be properly classified due to the use of a kernel version older than kernel-2.6.32-279. This update blocks users from using irqbalance with an older version of the kernel, without features required for processing MSI interrupts, and warning messages are no longer received. (BZ#951720)

  • Due to recent changes in the irqbalance packages, the /var/run/irqbalance.pid file was not created upon start of the irqbalance service, causing irqbalance to become non-compliant with the Linux Standard Base (LSB) specification. This update provides a patch fixing this problem so the irqbalance packages are LSB compliant again. (BZ#975524)

  • A bug in the irqbalance code caused the irqbalance daemon to terminate with a segmentation fault when a CPU was hot plugged or hot unplugged. This update fixes a corrupted IRQ rebalance list and the irqbalance daemon no longer crashes in this scenario. (BZ#991363)

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

Solution

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

This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/site/articles/11258

Affected Products

ProductVersionArch
Red Hat Enterprise Linux for Scientific Computing6x86_64
Red Hat Enterprise Linux for Power, big endian6ppc64
Red Hat Enterprise Linux Workstation6x86_64
Red Hat Enterprise Linux Workstation6i386
Red Hat Enterprise Linux Server6x86_64
Red Hat Enterprise Linux Server6i386
Red Hat Enterprise Linux Server from RHUI6x86_64
Red Hat Enterprise Linux Server from RHUI6i386
Red Hat Enterprise Linux Server - Extended Life Cycle Support6x86_64
Red Hat Enterprise Linux Server - Extended Life Cycle Support6i386
Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension6x86_64
Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension6i386
Red Hat Enterprise Linux Desktop6x86_64
Red Hat Enterprise Linux Desktop6i386

Updated Packages

  • irqbalance-1.0.4-6.el6.x86_64.rpm
  • irqbalance-debuginfo-1.0.4-6.el6.x86_64.rpm
  • irqbalance-1.0.4-6.el6.src.rpm
  • irqbalance-debuginfo-1.0.4-6.el6.ppc64.rpm
  • irqbalance-1.0.4-6.el6.ppc64.rpm
  • irqbalance-debuginfo-1.0.4-6.el6.i686.rpm
  • irqbalance-1.0.4-6.el6.i686.rpm

Fixes

(none)

CVEs

(none)

References

(none)

Additional information