Most recent kernel where this bug did *NOT* occur: Distribution: debian Hardware Environment: laptop hp nx8220 Software Environment: acpi 0.09Linux version 2.6.18-4-686 (Debian 2.6.18.dfsg.1-9) (waldi@debian.org) (gcc version 4.1.2 20061115 (prerelease) (Debian 4.1.1-21)) #1 SMP Wed Jan 24 22:40:22 UTC 2007 Problem Description: acpi not detect power cable state after wakeup. If loaptop sleep when cable pluged and wakeup with cable unpluged, acpi dasn't indicate it's state was changed. Steps to reproduce: see "Problem Description"
Please look at 5534 and 7122 bugreports.
Please re-open if this is still an issue with linux-2.6.22.stable or later.