[Bugme-new] [Bug 9201] New: ACPI-related freeze on Intel PM965

bugme-daemon at bugzilla.kernel.org bugme-daemon at bugzilla.kernel.org
Sun Oct 21 07:26:01 PDT 2007


http://bugzilla.kernel.org/show_bug.cgi?id=9201

           Summary: ACPI-related freeze on Intel PM965
           Product: ACPI
           Version: 2.5
     KernelVersion: 2.6.23.1
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: high
          Priority: P1
         Component: Power-Processor
        AssignedTo: acpi_power-processor at kernel-bugs.osdl.org
        ReportedBy: kernel-bugzilla at joyware.de


Most recent kernel where this bug did not occur: n/a
Distribution: n/a
Hardware Environment: Samsung X65 (x86_64)
Software Environment: ??
Problem Description:

On my Samsung X65 notebook (Intel PM965 + ICH8M, Core 2 DUo), almost all ACPI
modules lead to a complete freeze of the machine, leaving no error messages.
I blacklisted the modules ac battery button fan processor thermal.
Only basic ACPI support gets loaded upon system boot.
modprobe fan works fine - the module gets loaded, no freeze.
All other modules freeze the system.

I extracted and recompiled DSDT, but encountered no errors and no warnings.

I will attach several debugging outputs.

I reproduced this with several kernels, vanilla 2.6.23.1, vanilla 2.6.22,
2.6.22-ubuntu, and without the nvidia binary module - it makes no difference.

Steps to reproduce:

Load any ACPI sub-module, like:
modprobe processor


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