[Bugme-new] [Bug 8973] New: Using Kernel > 2.6.20-r9 (>=2.6.21) with ACPI support enable causes system freeze

bugme-daemon at bugzilla.kernel.org bugme-daemon at bugzilla.kernel.org
Mon Sep 3 05:49:31 PDT 2007


http://bugzilla.kernel.org/show_bug.cgi?id=8973

           Summary: Using Kernel > 2.6.20-r9 (>=2.6.21) with ACPI support
                    enable causes system freeze
           Product: ACPI
           Version: 2.5
     KernelVersion: >=2.6.21
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: blocking
          Priority: P1
         Component: ACPICA-Core
        AssignedTo: acpi_acpica-core at kernel-bugs.osdl.org
        ReportedBy: christian.wiegele at mt-ag.com


Most recent kernel where this bug did not occur:
Distribution: Getnoo Linux
Hardware Environment: Intel Centrino Pro (Santa Rosa)
Software Environment:
Problem Description:

System Freezes with ACPI enabled

Steps to reproduce:

Compile Kernel >= 2.6.21 With ACPI Support and min. 1 Subfeature enabled (e.g.
battery).

I was using kernel 2.6.20-r and my system worked fine. Then i did an upgrade to
2.6.22-r6 (latest). compiling worked fine. when i tried to boot ne new kernel,
my system freezed. to find out what exactly causes it, i disabled a lot of
kernel-features. i found out that disabling acpi-subfeatures solves the
problem. so i compiled a kernel with acpi built in and just battery as a
module. the kernel did then boot fine. afer modprobe battery the system freezed
again. its the same problem with any other acpi module...

i had not problem with that before kernel 2.6.20.


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