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[mcsan <1318040@xxxxxxxxxxxxxxxxxx>]

** Changed in: bbswitch (Ubuntu)
       Status: Incomplete => New

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https://bugs.launchpad.net/bugs/1318040

Title:
  bbswitch prevents suspend and taints kernel

Status in bbswitch package in Ubuntu:
  New

Bug description:
  When initiating suspend (to RAM), the kernel gets tainted. This is a
  regression that appeared after upgrading from Kubuntu 13.10 to 14.04.
  My computer has a discrete nVidia G210M card (hybrid SLI system, on
  ASUS UL80VT). Here is an extract from dmesg:

  PM: Preparing system for mem sleep
  BUG: unable to handle kernel NULL pointer dereference at 00000000000000b8
  IP: [<ffffffff8139ba5b>] pci_bus_read_config_dword+0x4b/0x90

  ---
  ApportVersion: 2.14.1-0ubuntu3
  Architecture: amd64
  CurrentDesktop: KDE
  DistroRelease: Ubuntu 14.04
  InstallationDate: Installed on 2010-01-19 (1571 days ago)
  InstallationMedia: Kubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
  Package: bbswitch-dkms 0.7-2ubuntu1
  PackageArchitecture: amd64
  ProcVersionSignature: Ubuntu 3.13.0-26.48-generic 3.13.11
  Tags:  trusty
  Uname: Linux 3.13.0-26-generic x86_64
  UpgradeStatus: Upgraded to trusty on 2014-05-07 (2 days ago)
  UserGroups: adm admin audio bumblebee cdrom dialout fuse lpadmin plugdev sambashare src users vboxusers
  _MarkForUpload: True

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