http://bugzilla.kernel.org/show_bug.cgi?id=13155
Summary: random freeze when EC interrupts are enabled
Product: ACPI
Version: 2.5
Kernel Version: 2.6.30-rc3
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: EC
AssignedTo: [email protected]
ReportedBy: [email protected]
Regression: No
Latest working kernel version: 2.6.23-gentoo-r6
Earliest failing kernel version: 2.6.27
Hardware Environment: Thinkpad R51e, 1843-6NG, Pentium-M 1.73
Software Environment: gentoo stable
Since the removal of ec_intr=0 EC interrupt mode freezes the system at random
points, usually with the harddisk led on. Usually after 1-5 minutes of work.
Can be fixed when not using EC (without acpi=rsdt) or by hacking the EC
interrupt away. There is no output on the console stating GPE storms (even
with ACPI_EC_STORM_THRESHOLD = 1), so this automatism can't detect the
situation.
--- Comment #1 from Vitus Jensen <[email protected]> 2009-04-23 08:40:53 ---
Created an attachment (id=21091)
--> (http://bugzilla.kernel.org/attachment.cgi?id=21091)
bootlog from unmodified 2.6.29-gentoo-r1
bootlog showing EC interrupts getting enabled during boot
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