[Bug 1047688] Re: Boot fails on udev if USB devices are present

[Martin Pitt]

I have plenty of USB devices, and I guess so do other people, so we need
some logs here indeed. Can you please try to select the rescue mode in
grub, boot with all devices attached, and see whether this causes any
hangs as well? The "starting udev" message does not mean much, as most
of the boot process is quiet by default. In rescue mode it's not.

If it's hanging with some more messages appearing, perhaps you can take
a photo and attach it here?

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Title:
  Boot fails on udev if USB devices are present

Status in “udev” package in Ubuntu:
  Incomplete

Bug description:
  If a USB devices  are present (keyboard, mouse, or external drive),
  grub2 will hang on:

  udevd[134]: starting version 175

  The system will not boot.

  Hardware is a Thinkpad T520.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: grub-pc 1.99-22ubuntu2
  ProcVersionSignature: Ubuntu 3.5.0-13.14-generic 3.5.3
  Uname: Linux 3.5.0-13-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.5.1-0ubuntu7
  Architecture: amd64
  Date: Fri Sep  7 19:41:55 2012
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
  SourcePackage: grub2
  UpgradeStatus: Upgraded to quantal on 2012-09-07 (0 days ago)

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