http://bugzilla.kernel.org/show_bug.cgi?id=14858
Summary: ACPI events on T20 thinkpad stop being reported
Product: ACPI
Version: 2.5
Kernel Version: 2.6.32
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: EC
AssignedTo: [email protected]
ReportedBy: [email protected]
Regression: No
I have here a T20 thinkpad with a T22 BIOS and a 2.6.32 kernel. After
boot, acpi_listen shows me all the events that are being generated by
the lid switch, hotkeys, batteries, ac, and maybe more. However,
when I disconnect and reconnect ac power a few times in rapid
succession, that leads to all of these events not being reported
anymore. Suspend to RAM and to disk both don't fix it, only a
reboot does.
The BIOS and EC firmware are the newest versions available
(1.12 and 1.06, respectively).
"Commit 2a84cb removed delay needed by some slow controllers (Acer TM4001)" did
not solve it.
Whether this is a regression is unknown, which I cannot select in the
interface. However, Debian's 2.6.25-2-686 kernel is affected, too.
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