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Old 29th September 2010
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jggimi jggimi is offline
More noise than signal
 
Join Date: May 2008
Location: USA
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To be clear: on machines which have -both- APM and ACPI hardware, the kernel decides based on empirical evidence which to deploy. It will only be one or the other. 4.7 chose APM on your hardware, disabling ACPI. By disabling APM in the kernel, you can force the kernel to use ACPI, and see if that makes any behavioral differences for you.

To disable APM:

Step 1. At the boot> prompt, issue "-c" to cause the kernel to enter the interactive User Kernel Configurator (UKC) program before it does any hardware probing.

Step 2. At the UKC> prompt, issue "disable apm" then "quit"

For more information, see boot(8), boot_config(8), and then, if you wish to make this change permanent, if it works for you, config(8).
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