What kernel are you using? As mentioned in https://wiki.ubuntu.com/DebuggingACPI , you should file this bug in the kernel's package. This is usually " linux-source-2.X.XX ".
What kernel are you using? As mentioned in https:/ /wiki.ubuntu. com/DebuggingAC PI , you should file this bug in the kernel's package. This is usually " linux-source-2.X.XX ".