@Chris
So sorry, 'M' was typo. It's 'B'
Check this bug report, https://bugs.launchpad.net/ubuntu/+source/acpi-support/+bug/59695
Maybe this problem seems not direct relate with kernel. It seems acpi-support package control this issue.
For quick answer, https://bugs.launchpad.net/ubuntu/+source/acpi-support/+bug/59695/comments/10
@Chris
So sorry, 'M' was typo. It's 'B'
Check this bug report, /bugs.launchpad .net/ubuntu/ +source/ acpi-support/ +bug/59695
https:/
Maybe this problem seems not direct relate with kernel. It seems acpi-support package control this issue.
For quick answer, /bugs.launchpad .net/ubuntu/ +source/ acpi-support/ +bug/59695/ comments/ 10
https:/