[Bug 1850866] Re: Please sync amd64-microcode from debian bullseye
Simon Déziel
1850866 at bugs.launchpad.net
Fri Nov 1 12:37:53 UTC 2019
*** This bug is a duplicate of bug 1850752 ***
https://bugs.launchpad.net/bugs/1850752
** This bug has been marked a duplicate of bug 1850752
Update amd64-microcode to 20191022 for 17h family
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https://bugs.launchpad.net/bugs/1850866
Title:
Please sync amd64-microcode from debian bullseye
Status in amd64-microcode package in Ubuntu:
New
Bug description:
The amd64-microcode version (3.20181128.1ubuntu2) is packaged in 2018,
which is too old to support the latest AMD Ryzen 3000 series CPUs. In
particular, it doesn't include the upstream microcode patch, without
which the kernel cannot produce psuedorandom numbers. Instead, in its
buggy state, when RDRAND is being asked, the CPU will always produce
the same result, 0xFFFFFFFF.
Full report:
https://arstechnica.com/gadgets/2019/10/how-a-months-old-amd-microcode-bug-destroyed-my-weekend/
Please update the package for a version dated at the earliest 20191022.
https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git
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