Red Hat Bugzilla – Bug 442287
Laptop ACPI events not generated
Last modified: 2008-05-23 16:43:27 EDT
Description of problem:
ACPI subsystem does not generate events for laptop lid or power adapter.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Put down lid, or change power adapter state.
2. Notice it doesn't suspend.
/proc/acpi/button/lid/LID/state reports the state of the lid correctly, as does
/proc/acpi/ac_adapter/AC/state with the AC adapter. However
doesn't report any events.
Lid events generated.
dmesg and acpidump output attached.
Created attachment 302284 [details]
Created attachment 302285 [details]
Extra info: the sleep button is found but doesn't work, either. Tried
acpi_osi=Linux as it is defined in the DSDT, but that doesn't seem to change
Fixed in kernel-126.96.36.199-87.fc8.
Correction, make that kernel-188.8.131.52-92.fc8. First noticed in
Hello, sorry to keep changing this... it seems like it was actually fixed in
kernel-184.108.40.206-10.fc8. I think this must've somehow configured the EC so that
events did get generated, and whatever was changed persisted across a reboot.
When I booted kernel-220.127.116.11-92.fc8 from cold, the events are no longer received.