Just FYI, this bug still happens on the new Debian 12 Bookworm Alpha2,
currently Debian Testing.
Solution is the same as previously stated: Disable (blacklsit) hpwdt Kernel
module.
The fact that a later Kernel versions work fine _could_ be because of a
hpwdt commit after 5.10:
https://github.com/torvalds/linux/commit/acc195bd2cc48445ea35d00036d8c0afcc4fcc9c#diff-994ee4b010b5c6222ad7a20e160f733401f46894b36fa3e1fb6ffbb48bedb817
I have not tested sid or a newer Kernel on our HP
Also look at the following links and compare. Might be related or even the
same as you are seeing:
https://www.claudiokuenzler.com/blog/1125/debian-11-bullseye-boot-freeze-kernel-panic-hp-proliant-dl380
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=898336
https://bugs.debian.org/cgi-bin/bugrep
I've seen this too and documented my findings here:
https://www.claudiokuenzler.com/blog/1125/debian-11-bullseye-boot-freeze-kernel-panic-hp-proliant-dl380
(reason is the hpwdt module)
This bug is most likely a duplicate of
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=898336 where the same
N
I can confirm (somewhat) similar issues with the newest Debian 11
(Bullseye) and Kernel 5.10 on HP Proliant DL380 G7 servers. Boot does
sometimes work, then it doesn't work (with a freeze caused by NMI), leading
to a very unstable OS.
After disabling hpwdt (module blacklist), the problems were gon
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