kernel-packages team mailing list archive

[Krunoslav Husak <kruno@xxxxxxxx>]

I think I'm experiencing the same problem. Today, on my HP Proliant
server running Ubuntu 12.04 server with 14.04 HWE it hang on boot, but I
could reboot it with sys rq keys. On next boot, there was no automatic
countown on boot selection. However, computer successfully booted and
works since then. I have never expirenced problems like this on older
kernels.

On related note, my home server running Ubuntu 14.04 with 3.13 also hang
when today booted. After restart (with sysreg keys), booted ok.

I'm attaching syslog from Ubuntu 12.04 server with 14.04 HWE.

** Attachment added: "freeze.log"
   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1352358/+attachment/4170623/+files/freeze.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:
  Incomplete

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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