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: [email protected]
ReportedBy: [email protected]
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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