http://bugzilla.kernel.org/show_bug.cgi?id=14244
Summary: 2.6.31-1 hangs early during boot
Product: ACPI
Version: 2.5
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Other
AssignedTo: acpi_ot...@kernel-bugs.osdl.org
ReportedBy: stefan.kra...@gmx.at
Regression: Yes
My notebook, a hp hdx 9300, has severe problems booting into 2.6.31, which I
didn't have for earlier versions (I've installed all Ubuntu and Fedora versions
since Ubuntu 8.04).
This happens on both Fedora 12 Alpha and Ubuntu 9.10 Alpha.
Booting with the default command line (quiet splash) made my system hang in
about 80% the time. The remaining 20% it booted okay.
With the options acpi=noirq and without quiet it worked much better until
Ubuntu was updated to 2.6.31-10. With this version it started hanging with
acpi=noirq too.
The system boots and halts with the output attached as an screenshot. After
that the system is halted and can only be powered off (ctrl + alt + del does
not work).
This weekend I decided to compile my own kernel to see if I run into the same
problem too. Here's the result:
* With kernel debug information booting works most of the time (without splash
and without quiet)
* Without kernel debug information it works sometimes (let's say about 50% of
the time)
* It seems as if apci=noirq helps
* And it seems as if acpi=off makes the whole problem go away.
I've reported this issue on both the ubuntu bugtracker
(https://bugs.launchpad.net/ubuntu/+bug/410984) and fedora bugtracker
(https://bugzilla.redhat.com/show_bug.cgi?id=521423), but there seems to be
zero activity.
I'm absolutely willing to help finding the issue so let me know if I can help
in any way.
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