[Bug 1690085]

[stellicht]

Hi folks again!

I have been testing the new AGESA 1.0.0.4 these days. Currently my
uptime is reaching 3days+, which was impossible before - the system
always hangs within 2 days. Hence I consider the new firmware indeed
solved this Soft Lock issue!

I'm testing on Ubuntu Focal, acpi related settings are all left default.
On my Asus PRIME B350M, default optimised settings are being used.

In addition, the CPU C6 State seems also normal, during idle, CPU enters
its idle state with very low power consumption (measured externally).
k10temp reports Vcore 850mV(approx.).

>Thank you for the clarification. Though I am confused now, as I thought you
>could use Zen2 devices in “Zen+ boards” (boards original for Zen+). So, AGESA
>1.0.0.4 for Zen2 also support the predecessor generation?

It seems that to address to this versioning mess, AMD claims that this
1.0.0.4 release reunited all architectures into one codebase.[1] I guess
they also "reunited" the version number. The AGESA was also 1.0.0.7 on
my motherboard  before.


---REFERENCES---
[1]: 
https://www.reddit.com/r/Amd/comments/dtgutp/an_update_on_the_am4_platform_agesa_1004/

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Title:
  Ryzen 1800X freeze - rcu_sched detected stalls on CPUs/tasks

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[Bug 1690085]

[stellicht]

Hi folks!
 
For those who are looking for a solution or already found a solution, there is 
a new update of AGESA rolling out. The new version 1.0.0.4 claims:

* Improved system stability when switching through ACPI power states.

It has arrived on my Asus PRIME B350M days ago, I have upgraded and kept
default optimised BIOS settings. When I used ZenState to check cpu
status, the C6 state is now:

C6 State - Package - Enabled
C6 State - Core - Disabled

Previously they were all enabled, I guessed the new AGESA release
finally solved this problem from source? I will report back days later
to see if the system still hangs.

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https://bugs.launchpad.net/bugs/1690085

Title:
  Ryzen 1800X freeze - rcu_sched detected stalls on CPUs/tasks

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