http://bugzilla.kernel.org/show_bug.cgi?id=13965

           Summary: _DIS Interrupt Links prevents power button events --
                    MS-6167
           Product: ACPI
           Version: 2.5
    Kernel Version: 2.6.30
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Config-Interrupts
        AssignedTo: acpi_config-interru...@kernel-bugs.osdl.org
        ReportedBy: neme...@icequake.net
        Regression: Yes


Reopening bug 6117
http://bugzilla.kernel.org/show_bug.cgi?id=6117

Most recent kernel where this bug did not occur: 2.4.27-pre6
Distribution: Debian
Hardware Environment: MSI MS-6167 latest BIOS
Software Environment: 
Problem Description:
This change to drivers/acpi/pci_link.c from 2.4.27-pre6 to -rc1 broke the ACPI 
button:
@@ -698,6 +679,9 @@
     acpi_link.count++;

 end:
+    /* disable all links -- to be activated on use */
+    acpi_ut_evaluate_object(link->handle, "_DIS", 0, NULL);
+
     if (result)
         kfree(link);

Steps to reproduce:
Build 2.4.27-rc1 without these lines, ACPI button works
build with these lines, ACPI button does not generate IRQ or events.

The DSDT is posted on sourceforge.

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