This bug is described in https://bugzilla.redhat.com/show_bug.cgi?id=1608242 It affects existing systems and even prevents the installation of several Linux distributions.
This bug is relatead https://bugzilla.kernel.org/show_bug.cgi?id=199267 Emailed to brijesh.singh@amd.com and linux-crypto@vger.kernel.org (from http://vger.kernel.org/vger-lists.html).
From: <ng0177@gmail.com> Date: Sat, Sep 15, 2018 at 10:57 AM Subject: AM4 BIOS AGESA Code 1.0.0.4C & Linux Kernel To: <brijesh.singh@amd.com>, <linux-crypto@vger.kernel.org> Hi, please find below a list of related bugs to a blocker that affects existing systems and even prevents the installation of several Linux distributions: https://bugzilla.kernel.org/show_bug.cgi?id=199267 https://bugzilla.kernel.org/show_bug.cgi?id=201129 https://bugzilla.redhat.com/show_bug.cgi?id=1608242 I read about an upstream fix to 4.20 but this is a long way to go. I guess that anyone who keeps their AM4 BIOS AGESA Code update-to-date and would like to run Linux is affected. A co-operation between AMD & Linux Kernel experts to achieve a solution fast is encouraged. Thank you!
From: Brijesh Singh <brijesh.singh@amd.com> Date: Sat, Sep 15, 2018 at 1:44 PM Subject: Re: AM4 BIOS AGESA Code 1.0.0.4C & Linux Kernel To: <ng0177@gmail.com>, <linux-crypto@vger.kernel.org> Cc: <brijesh.singh@amd.com> Hi, The workaround to handle this FW bug has been submitted last month https://marc.info/?l=linux-crypto-vger&m=153436754612783&w=2 And patch is accepted in crypto tree https://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6.git/commit/?id=3702a0585e64d70d5bf73bf3e943b8d6005b72c1 It will soon show up in Linus tree. After that we will work to get it backport to stable tree's. -Brijesh
Did the above patch fix your issue?