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My computer often totally freezes at startup. I have to reset computer. Some say that I could have problems with power supply. When operating system is loaded, it is operating normally.

This error is displayed on the screen while the operating system is loading:

[ 0.452876] ACPI PCC probe failed.

Occasionally my computer freezes even when I exit suspend mode. Displayed errors are:

[ 2634.651626] [drm:rv730_stop_dpm [radeon]] *ERROR* Could not force DPM to low
[ 2635.967635] [drm:rw770_dpm_set_power_state [radeon]] *ERROR* rv770_set_sw_state failed
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kornilov
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1 Answers1

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ACPI PCC Probe faild is probably a harmless warning message.

*ERROR* rv770_set_sw_state failed is bug #1319589. Some comments there report that upgrading to kernel 4.4 helped, so try that. If you still have problems with a 4.4 kernel then ask upstream on the open freedesktop.org bug or open a new bug report there.

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bain
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