Bug#995773: linux-image-5.10.0-8-amd64: NMI panic on HP ProLiant DL380G6 and DL360G7

From	Yunqiang Su <wzssyqa@gmail.com>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#995773: linux-image-5.10.0-8-amd64: NMI panic on HP ProLiant DL380G6 and DL360G7
Date	2021-10-23 18:10 +0200
Message-ID	<DbrKN-6mL-1@gated-at.bofh.it> (permalink)
References	<D58Bb-4F5-3@gated-at.bofh.it> <D4Swp-3hS-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Cross-posted to 2 groups.

Show all headers | View raw

[Multipart message — attachments visible in raw view] - view raw

On Wed, 6 Oct 2021 08:11:05 +0200 Claudio Kuenzler <ck@claudiokuenzler.com> wrote:
> 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
> NMI's are reported with Kernel 4.16 but with Kernel 5.10 the boot
> issues/crashes seem to be even worse.
> 
> Maintainers, please consider disabling (blacklisting) the hpwdt module by
> default (same as Ubuntu). If anyone REALLY needs it, it can be manually
> enabled.


My HPE ProLiant BL460c Gen9 has the same problem.
And with some debug, I find the problem is due to
   CONFIG_INTEL_IOMMU_DEFAULT_ON=y

So, as a workaround, we can use intel_iommu=off kernel option.

Back to linux.debian.kernel | Previous | Next — Previous in thread | Find similar | Unroll thread

Thread

Bug#995773: linux-image-5.10.0-8-amd64: NMI panic on HP ProLiant DL380G6 and DL360G7 Claudio Kuenzler <ck@claudiokuenzler.com> - 2021-10-06 08:30 +0200
  Bug#995773: linux-image-5.10.0-8-amd64: NMI panic on HP ProLiant DL380G6 and DL360G7 Yunqiang Su <wzssyqa@gmail.com> - 2021-10-23 18:10 +0200

csiph-web