[Bug 1290837] [NEW] system hangs on boot when device plugged into usb 3.0 port

[solazs]

Public bug reported:

(K)Ubuntu (all versions since 2011 up to 14.04 daily) on my Dell N7110 laptop hangs while booting when any device is plugged into the USB 3.0 ports. No problem with 2.0 ports. Disabling acpi fixes it (apci=off boot parameter), but then gpu switching does not work.
Now i'm stuck with disconnecting my devices from the ub 3.0 ports, wait till the Kubuntu sign shows up on the screen and then reconnect them before the system gets to mount my external drive from fstab.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ubuntu-release-upgrader-core 1:0.216
ProcVersionSignature: Ubuntu 3.13.0-16.36-generic 3.13.5
Uname: Linux 3.13.0-16-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.13.3-0ubuntu1
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: KDE
Date: Tue Mar 11 14:37:14 2014
InstallationDate: Installed on 2014-03-11 (0 days ago)
InstallationMedia: Kubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140311)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
Symptom: ubuntu-release-upgrader
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: ubuntu
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug dist-upgrade third-party-packages trusty

** Package changed: ubuntu-release-upgrader (Ubuntu) => ubuntu

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https://bugs.launchpad.net/bugs/1290837

Title:
  system hangs on boot when device plugged into usb 3.0 port

Status in Ubuntu:
  New

Bug description:
  (K)Ubuntu (all versions since 2011 up to 14.04 daily) on my Dell N7110 laptop hangs while booting when any device is plugged into the USB 3.0 ports. No problem with 2.0 ports. Disabling acpi fixes it (apci=off boot parameter), but then gpu switching does not work.
  Now i'm stuck with disconnecting my devices from the ub 3.0 ports, wait till the Kubuntu sign shows up on the screen and then reconnect them before the system gets to mount my external drive from fstab.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.216
  ProcVersionSignature: Ubuntu 3.13.0-16.36-generic 3.13.5
  Uname: Linux 3.13.0-16-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.13.3-0ubuntu1
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: KDE
  Date: Tue Mar 11 14:37:14 2014
  InstallationDate: Installed on 2014-03-11 (0 days ago)
  InstallationMedia: Kubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140311)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  Symptom: ubuntu-release-upgrader
  UpgradeStatus: No upgrade log present (probably fresh install)

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