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** Attachment added: "lspci-vnvn.log"
   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1352358/+attachment/4169529/+files/lspci-vnvn.log

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https://bugs.launchpad.net/bugs/1352358

Title:
  Kernel 3.13 freezes sometimes at startup

Status in “linux” package in Ubuntu:
  New

Bug description:
  We use Ubuntu 12.04 + 14.04 HWE. Sometimes the kernel freezes at
  startup. There is no kernelpanic. I can not use Systemrequest-Keys for
  restart. The only key that gives Feedback is the Numlock-Key (LED
  toggles). When i powercyle the Computer Grub has no countdown for
  booting the first Kernel. When I press Enter the Kernel starts
  normaly. I cannot find something in Syslog or somewhere else. I
  deactivated the bootparameter quiet und added the Parameter
  "console=tty0 console=ttyS0,115200n8". I connected the Computer via a
  Nullmodemcable with another computer and logged the bootprocess with
  minicom. The Logs are attached. I can not reproduce this Bug in Kernel
  linux-image-3.11.0-13-generic

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