Bullseye (mostly) not booting on Proliant DL380 G7

From	Claudio Kuenzler <ck@claudiokuenzler.com>
Newsgroups	linux.debian.user
Subject	Bullseye (mostly) not booting on Proliant DL380 G7
Date	2021-06-28 20:40 +0200
Message-ID	<Cv4kN-3M3-3@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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Hello!

Currently testing the new Bullseye release (using
firmware-bullseye-DI-rc2-amd64-netinst.iso) and see a strange phenomenon on
a HP Proliant DL380 G7 server.

During boot, the following messages show up in the console:

[63.063844] pcc_cpufreq_init: Too many CPUs, dynamic performance scaling
disabled
[63.063895] pcc_cpufreq_init: Try to enable another scaling driver through
BIOS settings
[63.063943] pcc_cpufreq_init: and complain to the system vendor

According to
https://patchwork.kernel.org/project/linux-pm/patch/5423012.ZZnfdYddaT@aspire.rjw.lan/
this is a Kernel patch from July 2018.
According to Andreas Herrmann, the settings can be defined in the HP server
BIOS:

Power Management -> Advanced Power Options -> Collaborative Power Control =
enabled

This is active (is the default I believe). The Power Regulator is set to
"Dynamic Power Savings Mode".

After these messages show up on the console, no login prompt appears. No
network started. The server seems frozen - doesn't even react to
CTRL+ALT+DEL on the console anymore. Not sure if this is caused by cpufreq
or something else though.

This boot problem happened on 2 out of 3 server boots.

Is this a bug in Bullseye?

thx for any hints.

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Thread

Bullseye (mostly) not booting on Proliant DL380 G7 Claudio Kuenzler <ck@claudiokuenzler.com> - 2021-06-28 20:40 +0200
  Re: Bullseye (mostly) not booting on Proliant DL380 G7 Claudio Kuenzler <ck@claudiokuenzler.com> - 2021-06-29 10:10 +0200
    Re: Bullseye (mostly) not booting on Proliant DL380 G7 Claudio Kuenzler <ck@claudiokuenzler.com> - 2021-06-29 11:10 +0200
      Re: Bullseye (mostly) not booting on Proliant DL380 G7 Georgi Naplatanov <gosho@oles.biz> - 2021-06-29 11:50 +0200
        Re: Bullseye (mostly) not booting on Proliant DL380 G7 Claudio Kuenzler <ck@claudiokuenzler.com> - 2021-06-29 12:40 +0200
          Re: Bullseye (mostly) not booting on Proliant DL380 G7 "Alexander V. Makartsev" <avbetev@gmail.com> - 2021-06-29 13:20 +0200
            Re: Bullseye (mostly) not booting on Proliant DL380 G7 Claudio Kuenzler <ck@claudiokuenzler.com> - 2021-06-29 22:30 +0200
          Re: Bullseye (mostly) not booting on Proliant DL380 G7 Georgi Naplatanov <gosho@oles.biz> - 2021-06-29 14:50 +0200
      Re: Bullseye (mostly) not booting on Proliant DL380 G7 Michael Stone <mstone@debian.org> - 2021-06-29 22:40 +0200
        Re: Bullseye (mostly) not booting on Proliant DL380 G7 Claudio Kuenzler <ck@claudiokuenzler.com> - 2021-06-30 08:10 +0200
          Re: Bullseye (mostly) not booting on Proliant DL380 G7 Paul Wise <pabs@debian.org> - 2021-06-30 10:00 +0200

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