[Bug 1321425] Re: irqbalance spams syslog about affinity_hint subset empty

[Robie Basak]

Hi Jorge,

Thank you for the debdiffs. They seem to have excessive whitespace noise
though, which I don't see in the upstream commit you picked. Is there an
errant editor setting that has caused this? The same noise was also
uploaded to Wily which isn't ideal. Additionally there's noise for
example in the Trusty debdiff changing an unrelated quilt patch.

Could you please adjust the SRU debdiffs to not contain anything apart
from the fix that we need here? Everything else in the debdiffs looks
fine to me - assuming the rest of the quilt patch content matches the
upstream commit exactly, the changelog message, bug reference and dep3
headers all look OK.

Feel free to ping me once you have updated these for sponsorship.

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https://bugs.launchpad.net/bugs/1321425

Title:
  irqbalance spams syslog about affinity_hint subset empty

Status in irqbalance package in Ubuntu:
  Fix Released
Status in irqbalance source package in Trusty:
  In Progress
Status in irqbalance source package in Utopic:
  In Progress
Status in irqbalance source package in Vivid:
  In Progress

Bug description:
  [Environment]

  /var/log/syslog has repeating
  May 20 14:39:28 txsllabc7k001 /usr/sbin/irqbalance: irq 121 affinity_hint subset empty
  May 20 14:39:28 txsllabc7k001 /usr/sbin/irqbalance: irq 123 affinity_hint subset empty
  May 20 14:39:28 txsllabc7k001 /usr/sbin/irqbalance: irq 125 affinity_hint [Repeat]

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: irqbalance 1.0.6-2
  ProcVersionSignature: Ubuntu 3.13.0-24.47-generic 3.13.9
  Uname: Linux 3.13.0-24-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.1
  Architecture: amd64
  Date: Tue May 20 14:19:32 2014
  ExecutablePath: /usr/sbin/irqbalance
  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
  SourcePackage: irqbalance
  UpgradeStatus: No upgrade log present (probably fresh install)

  [Impact]

  Syslog writes a repeated set of affinity_hint entries, affecting logs
  visibility and potentially causing high disk usage.

  [Test]

  - Install irqbalance package.
  - Enable /etc/default/irqbalance
  #Configuration for the irqbalance daemon
  #Should irqbalance be enabled?
  ENABLED="1"
  - Start (service start irqbalance)

  [Regression Potential]

  - None is expected.

  [Other Info]

  The fix is to only warn once for affinity hint subset empty irqs.
  (See: https://github.com/Irqbalance/irqbalance/commit/c9e5f36fe91d2d04d013d96f1093419245585de7)

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