Public bug reported:
affected computer: HP ZBook 15, dual-booting Windows 7 and Ubuntu (64
bit)
It frequently occurs that the notebook freezes at the beginning of the
boot process. There are several randomly occuring issues:
* Sometime only the boot options are shown and no counter (of seconds of
time). The machine would not boot at all without pressing Enter. Even if
I press the key, the booting process usually stops shortly, showing some
text ("unable to ... transceiver", or something like, I do not remember
precisely).
* Sometime the text about the transceiver is shown in small letters and
with the purple background. In other cases the letters are much larger
and with black background.
* If the machine freezes while it is booting there is no help but the
long press of the power button.
* This time I was able to succesfully boot only after about 4
unsuccesfull attempts. Previous days it was about 50 % of unsuccesfull
attempts.
I have both the official kernel and also the lastest mainline build. The
booting issues occur with both of them.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: grub-pc 2.02~beta2-6
ProcVersionSignature: Ubuntu 3.13.0-8.28-generic 3.13.2
Uname: Linux 3.13.0-8-generic x86_64
ApportVersion: 2.13.2-0ubuntu3
Architecture: amd64
CurrentDesktop: Unity
Date: Fri Feb 14 22:37:25 2014
InstallationDate: Installed on 2014-01-31 (14 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140130)
SourcePackage: grub2
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: grub2 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug trusty
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https://bugs.launchpad.net/bugs/1280462
Title:
booting randomly fails on a dual-boot HP ZBook
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