This bug also affects me. I'm using a Lenovo ThinkPad T450s with an updated BIOS.
$ uname -a Linux T450s 4.4.0-31-generic #50-Ubuntu SMP Wed Jul 13 00:07:12 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
$ sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date JBET61WW (1.25 ) 07/13/2016
This bug also affects me. I'm using a Lenovo ThinkPad T450s with an updated BIOS.
$ uname -a
Linux T450s 4.4.0-31-generic #50-Ubuntu SMP Wed Jul 13 00:07:12 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
$ sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date
JBET61WW (1.25 )
07/13/2016