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user3169
Asked: 2020-05-26 15:15:45 +0800 CST

system won't power-down on shutdown

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This desktop amd64 running 18.04 has been running fine for about 5 months. A few days ago, a strange problem started.

On shutdown, Ubuntu shutdown appears to be normal, then the video is cut. However, system power remains on until I do a hardware reset or by the power switch.

shutdown ubuntu-gnome 18.04

1 Answers

  1. As it turned out, this is a bug issue with kernal 5.3.0.53 (seems 52+ are affected) in amd64 processor (Ryzen) systems with integrated graphics.

    For detailed information, see Failing to shutdown/power off or reboot on AMD Ryzen CPUs on kernel versions 5.3.0-52 and later

    Looks like it will be fixed in the next kernal release. For now I am using 5.3.0.51 which works correctly.

    --UPDATE--

    This has been fixed as of 5.3.0-59

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