This bug was fixed in the package amd64-microcode -
3.20191021.1+really3.20180524.1~ubuntu0.16.04.2
---
amd64-microcode (3.20191021.1+really3.20180524.1~ubuntu0.16.04.2)
xenial-security; urgency=medium
* Revert to 3.20180524.1 version of microcode because of regressions on
This bug was fixed in the package amd64-microcode -
3.20191021.1+really3.20181128.1~ubuntu0.18.04.1
---
amd64-microcode (3.20191021.1+really3.20181128.1~ubuntu0.18.04.1)
bionic-security; urgency=medium
* Revert to 3.20181128.1 version of microcode because of regressions on
This bug was fixed in the package amd64-microcode -
3.20191021.1+really3.20181128.1ubuntu2
---
amd64-microcode (3.20191021.1+really3.20181128.1ubuntu2) eoan-security;
urgency=medium
* Revert to 3.20181128.1 version of microcode because of regressions on
certain hardware. (LP:
I can confirm there are no issues when booting with the package from the
ubuntu-security-proposed PPA.
amd64-microcode:
Installed: 3.20191021.1+really3.20181128.1~ubuntu0.18.04.1
Candidate: 3.20191021.1+really3.20181128.1~ubuntu0.18.04.1
Version table:
***
All the comments on this bug mention removing the amd64-microcode
package - so it is not clear to me if this worked previously with the
older version of amd64-microcode. The security team has prepared updates
which revert this to the older version - can anyone who is affected by
this please try
** Changed in: amd64-microcode (Ubuntu)
Assignee: (unassigned) => Ubuntu Security Team (ubuntu-security)
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Title:
System stuck in reboot
I had the same problem on three servers running with an AMD EPYC 7402P
24-Core Processor.
After removing the amd64-microcode 3.20191021.1ubuntu0.18.04.2 package
the servers did not end up in a reboot loop anymore and were able to
boot.
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** Tags added: regression-update
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Title:
System stuck in reboot loop on AMD EPYC 7542 32-Core Processor
To manage notifications about this bug
I am seeing this too on an AMD EPYC 7352 24-Core processor. Removing
amd64-microcode 3.20191021.1ubuntu0.18.04.2 fixed the cyclic reboot
issue.
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: amd64-microcode (Ubuntu)
Status: New => Confirmed
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