** Changed in: dri
Status: Unknown => Fix Released
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https://bugs.launchpad.net/bugs/1880041
Title:
Failing to shutdown/power off or reboot on AMD Ryzen CPUs on kernel
versions 5.3.0-52 and later
Status in DRI:
Fix Released
Status in linux package in Ubuntu:
Fix Released
Status in linux-meta-hwe package in Ubuntu:
Fix Released
Bug description:
When booting up Ubuntu 18.04 with a kernel version of 5.3.0-52 or
later (including 5.3.0-53), everything seems to be working as usual.
However, when I shutdown, the system will only soft shutdown, with the
CPU still running at full power, forcing me to hold down the power
button to fully power off affected systems. If I reboot, it will cause
the system to hang and not respond. Either way, a hard reset or
poweroff will be required, and this is not an option for systems being
remotely accessed. It is not possible for me to collect kernel logs at
this point, unless something wrong is happening in those kernel
versions before the actual shutdown.
It is possible that this may also occur on Ubuntu 20.04 with kernel
versions 5.4.0-29 and later, but I have not yet tested this out. This
problem is occurring on both my desktop and laptop computers which
respectively are:
* AsRock B450 Pro4 with AMD Ryzen 3 3200G APU
* Lenovo ThinkPad A485 with AMD Ryzen 5 Pro 2500U mobile APU
In the meantime, I am stuck on kernel version 5.3.0-51, as that is the
last working 5.3.x kernel version offered in the standard Ubuntu
repositories that doesn't have this problem, without me having to use
PPAs. I don't know if this problem also occurs on systems with Intel
CPUs, as I don't own any recently-made system (last 3 years from 2017)
with such CPUs to test if this problem occurs on them.
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