[Bug 282363] [NEW] [intrepid] 2.6.27-7-generic almost fails to boot if ACPI module "ac" is not loaded

[Aaron Haviland]

Public bug reported:

Binary package hint: initramfs-tools

(I suspect there's a kernel bug at heart here, feel free to reassign as
necessary)

After upgrading a hardy install to intrepid alphas (starting with kernel
2.6.27-4, and also -6, and now -7), I've had problems booting which I've
narrowed down as in the subject.

The problem manifests itself in the initrd, as the system hangs at
multiple seemingly unrelated points (eg, waiting for root filesystem,
setting the keymap, etc. I'll attach a few dmesg logs, for timestamp
comparisons), although it's only a "soft" hang. If I press any keys
it'll break out. (While debugging this, I got in the habit of just
holding down a Control or Shift key)

With the addition of the ACPI module "ac" to /etc/initramfs-
tools/modules the problem has gone away completely.

Package: initramfs-tools
Version: 0.92bubuntu15

Package: linux-image-2.6.27-7-generic
Version: 2.6.27-7.10

ProblemType: Bug
Architecture: i386
DistroRelease: Ubuntu 8.10
NonfreeKernelModules: nvidia
Package: initramfs-tools 0.92bubuntu15
PackageArchitecture: all
ProcEnviron:
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: initramfs-tools
Uname: Linux 2.6.27-7-generic i686

** Affects: initramfs-tools (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug

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[intrepid] 2.6.27-7-generic almost fails to boot if ACPI module "ac" is not loaded
https://bugs.launchpad.net/bugs/282363
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