Hello, my Debian testing reports an unhandled HKEY event while plug-in / unplug the AC adaptor. This is the dmesg output for 2 times plug-in. [52704.407952] thinkpad_acpi: unknown possible thermal alarm or keyboard event received [52704.407963] thinkpad_acpi: unhandled HKEY event 0x6040 [52704.407969] thinkpad_acpi: please report the conditions when this event happened to ibm-acpi-devel@xxxxxxxxxxxxxxxxxxxxx [52714.505138] thinkpad_acpi: unknown possible thermal alarm or keyboard event received [52714.505150] thinkpad_acpi: unhandled HKEY event 0x6040 [52714.505158] thinkpad_acpi: please report the conditions when this event happened to ibm-acpi-devel@xxxxxxxxxxxxxxxxxxxxx [52723.754815] thinkpad_acpi: unknown possible thermal alarm or keyboard event received [52723.754826] thinkpad_acpi: unhandled HKEY event 0x6040 [52723.754839] thinkpad_acpi: please report the conditions when this event happened to ibm-acpi-devel@xxxxxxxxxxxxxxxxxxxxx cat /proc/version Linux version 3.2.0-4-amd64 (debian-kernel@xxxxxxxxxxxxxxxx) (gcc version 4.6.3 (Debian 4.6.3-12) ) #1 SMP Debian 3.2.32-1 uname -a My notebook is a Lenovo Thinpad E330 3354-96G This output may be useful too: root@beni-nb:~# cat /proc/acpi/ibm/driver driver: ThinkPad ACPI Extras version: 0.24 root@beni-nb:~# cat /proc/acpi/ibm/hotkey status: enabled mask: 0x0c89887c commands: enable, disable, reset, <mask> Best regards Benjamin PS: I hope this report is useful, otherwise I'm sorry to waste your time (this is my first report too). ------------------------------------------------------------------------------ Master SQL Server Development, Administration, T-SQL, SSAS, SSIS, SSRS and more. Get SQL Server skills now (including 2012) with LearnDevNow - 200+ hours of step-by-step video tutorials by Microsoft MVPs and experts. SALE $99.99 this month only - learn more at: http://p.sf.net/sfu/learnmore_122512 _______________________________________________ ibm-acpi-devel mailing list ibm-acpi-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/ibm-acpi-devel