From: Adam Borowski <kilobyte@angband.pl>
To: Jiri Olsa <jolsa@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>,
Tom Lendacky <thomas.lendacky@amd.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
x86@kernel.org, lkml <linux-kernel@vger.kernel.org>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Stanislav Kozina <skozina@redhat.com>,
Michael Petlan <mpetlan@redhat.com>,
Pierre Amadio <pamadio@redhat.com>,
onatalen@redhat.com, darcari@redhat.com
Subject: Re: unknown NMI on AMD Rome
Date: Tue, 16 Mar 2021 17:02:35 +0100 [thread overview]
Message-ID: <YFDWmwgDa/FzFsIs@angband.pl> (raw)
In-Reply-To: <YFDSSxftYw9tCGC6@krava>
On Tue, Mar 16, 2021 at 04:45:02PM +0100, Jiri Olsa wrote:
> hi,
> when running 'perf top' on AMD Rome (/proc/cpuinfo below)
> with fedora 33 kernel 5.10.22-200.fc33.x86_64
>
> we got unknown NMI messages:
>
> [ 226.700160] Uhhuh. NMI received for unknown reason 3d on CPU 90.
> [ 226.700162] Do you have a strange power saving mode enabled?
> [ 226.700163] Dazed and confused, but trying to continue
>
> also when discussing ths with Borislav, he managed to reproduce easily
> on his AMD Rome machine
Likewise, 3c on Pinnacle Ridge.
Meow!
--
⢀⣴⠾⠻⢶⣦⠀
⣾⠁⢠⠒⠀⣿⡁ in the beginning was the boot and root floppies and they were good.
⢿⡄⠘⠷⠚⠋⠀ -- <willmore> on #linux-sunxi
⠈⠳⣄⠀⠀⠀⠀
next prev parent reply other threads:[~2021-03-16 16:05 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-16 15:45 unknown NMI on AMD Rome Jiri Olsa
2021-03-16 16:02 ` Adam Borowski [this message]
2021-03-16 16:48 ` Alexander Monakov
2021-03-16 19:53 ` Peter Zijlstra
2021-03-16 20:02 ` Kim Phillips
2021-03-17 8:48 ` Ingo Molnar
2021-03-17 10:13 ` Peter Zijlstra
2021-03-17 13:32 ` Alexander Monakov
2021-03-17 13:37 ` Arnaldo Carvalho de Melo
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