$ acpi_listen
ibm/hotkey HKEY 00000080 00001018
button/lid LID 00000080 00000006
button/lid LID 00000080 00000007
$ while sleep 1; do cat /proc/acpi/button/lid/*/state; done
state: open
state: open
state: open
state: closed
state: closed
state: closed
state: closed
state: closed
state: open
state: open
state: open
$ uname -a
Linux alcor 3.2.0-37-generic #58-Ubuntu SMP Thu Jan 24 15:28:10 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
Same behaviour as in bug description for me:
$ acpi_listen
ibm/hotkey HKEY 00000080 00001018
button/lid LID 00000080 00000006
button/lid LID 00000080 00000007
$ while sleep 1; do cat /proc/acpi/ button/ lid/*/state; done
state: open
state: open
state: open
state: closed
state: closed
state: closed
state: closed
state: closed
state: open
state: open
state: open
$ uname -a
Linux alcor 3.2.0-37-generic #58-Ubuntu SMP Thu Jan 24 15:28:10 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
On a Lenovo Thinkpad T520.
Any plans to correct this bug?