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[HonkHase <manuel@xxxxxxx>]

If I connect my DVDRW device (iomega "SuperSlim DVD) via usb I get the
following entries all the time in my /var/log/syslog:

Sep  7 13:06:56 HonkBook kernel: [ 9130.303906] sr 6:0:0:0: rejecting I/O to offline device
Sep  7 13:06:58 HonkBook kernel: [ 9132.349446] sr 6:0:0:0: rejecting I/O to offline device
Sep  7 13:07:00 HonkBook kernel: [ 9134.395023] sr 6:0:0:0: rejecting I/O to offline device
Sep  7 13:07:02 HonkBook kernel: [ 9136.440509] sr 6:0:0:0: rejecting I/O to offline device
Sep  7 13:07:04 HonkBook kernel: [ 9138.486002] sr 6:0:0:0: rejecting I/O to offline device
Sep  7 13:07:06 HonkBook kernel: [ 9140.531571] sr 6:0:0:0: rejecting I/O to offline device
Sep  7 13:07:08 HonkBook kernel: [ 9142.577096] sr 6:0:0:0: rejecting I/O to offline device
Sep  7 13:07:10 HonkBook kernel: [ 9144.622615] sr 6:0:0:0: rejecting I/O to offline device
Sep  7 13:07:12 HonkBook kernel: [ 9146.668164] sr 6:0:0:0: rejecting I/O to offline device
Sep  7 13:07:14 HonkBook kernel: [ 9148.713672] sr 6:0:0:0: rejecting I/O to offline device

Any ideas?

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Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/665163

Title:
  kernel panic with 'rejecting i/o to offline device'

Status in “linux” package in Ubuntu:
  Expired

Bug description:
  Hello,

  I'm experiencing kernel panics on 5 identical Ubuntu 10.04 servers.
  They are identical down to every bit of hardware and operating
  environment, They've been reliably running Debian and Ubuntu Linux
  releases for years. There's something in the latest Ubuntu 10.04
  server builds that has introduced a regression. They are used for
  heavy but sporadic CPU-bound work.

  Over the course of a day, the odds are that a singular server will
  experience a kernel. Over two days it's practically guaranteed.

  The kernel panic says:

  "sd 2:0:0:0 rejecting i/o to offline device"

  sd is the system drive and is most certainly online. A hard reboot
  fixes the matter for the following day or so.

  ProblemType: Bug
  DistroRelease: Ubuntu 10.04
  Package: linux-image-2.6.32-25-generic 2.6.32-25.44
  Regression: Yes
  Reproducible: No
  ProcVersionSignature: Ubuntu 2.6.32-25.44-generic 2.6.32.21+drm33.7
  Uname: Linux 2.6.32-25-generic x86_64
  Architecture: amd64
  Date: Fri Oct 22 16:19:50 2010
  Frequency: Once a day.
  ProcEnviron:
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  SourcePackage: linux
  --- 
  Architecture: amd64
  DistroRelease: Ubuntu 10.04
  NonfreeKernelModules: nvidia
  Package: linux (not installed)
  ProcEnviron:
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 2.6.32-33.72-generic 2.6.32.41+drm33.18
  Regression: Yes
  Reproducible: Yes
  Tags: lucid filesystem regression-release needs-upstream-testing
  Uname: Linux 2.6.32-33-generic x86_64
  UserGroups:

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