Bug#991546: Acknowledgement (linux-image-5.10.0-8-amd64: soft lockup after screen does a sleep cycle (dpms off then on))

From	Marc <dkm@kataplop.net>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#991546: Acknowledgement (linux-image-5.10.0-8-amd64: soft lockup after screen does a sleep cycle (dpms off then on))
Date	2021-07-27 11:10 +0200
Message-ID	<CFrg5-2mQ-3@gated-at.bofh.it> (permalink)
References	<CFpHj-1lB-1@gated-at.bofh.it> <CFrg5-2mQ-5@gated-at.bofh.it> <CFpHj-1lB-1@gated-at.bofh.it> <CFrg5-2mQ-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Cross-posted to 2 groups.

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I'm adding some more info as I discover here that my kernel is tainted:

 * SMP kernel oops on an officially SMP incapable processor

I guess the reason is that my ryzon 1600 has an hw bug and I need to
disable its C6 state by writing in some MSR.

I don't think this is related to my problem, but can verify the
bug still happens with MSR untouched if you think it is worth it.

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Bug#991546: Acknowledgement (linux-image-5.10.0-8-amd64: soft lockup after screen does a sleep cycle (dpms off then on)) Marc <dkm@kataplop.net> - 2021-07-27 11:10 +0200
  Bug#991546: Acknowledgement (linux-image-5.10.0-8-amd64: soft lockup after screen does a sleep cycle (dpms off then on)) Marc <dkm+debian@kataplop.net> - 2021-07-27 22:40 +0200
    Bug#991546: Acknowledgement (linux-image-5.10.0-8-amd64: soft lockup after screen does a sleep cycle (dpms off then on)) Salvatore Bonaccorso <carnil@debian.org> - 2021-07-28 08:00 +0200
      Bug#991546: Acknowledgement (linux-image-5.10.0-8-amd64: soft lockup after screen does a sleep cycle (dpms off then on)) Salvatore Bonaccorso <carnil@debian.org> - 2021-07-28 08:20 +0200
    Bug#991546: Acknowledgement (linux-image-5.10.0-8-amd64: soft lockup after screen does a sleep cycle (dpms off then on)) Marc <dkm+debian@kataplop.net> - 2021-07-28 16:50 +0200

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