From: Andi Kleen <ak@suse.de>
To: Keith Owens <kaos@sgi.com>
Cc: linux-arch@vger.kernel.org
Subject: Re: [patch 2.6.17] Avoid broadcasting NMI IPIs
Date: Fri, 23 Jun 2006 14:32:56 +0200 [thread overview]
Message-ID: <200606231432.56071.ak@suse.de> (raw)
In-Reply-To: <8637.1151037121@kao2.melbourne.sgi.com>
On Friday 23 June 2006 06:32, Keith Owens wrote:
> On some i386/x86_64 systems, sending an NMI IPI as a broadcast will
> reset the system. This seems to be a BIOS bug which affects machines
> where one or more cpus are not under OS control. It occurs on HT
> systems with a version of the OS that is not compiled without HT
> support. It also occurs when a system is booted with max_cpus=n where
> 2 <= n < cpus known to the BIOS. The fix is to always send NMI IPI as
> a mask instead of as a broadcast.
Merged thanks.
P.S.: Linux-arch isn't really the right list to cc x86 patches too.
I'm sure the other arch maintainers couldn't care less about such x86isms.
-Andi
next prev parent reply other threads:[~2006-06-23 12:33 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-23 4:32 [patch 2.6.17] Avoid broadcasting NMI IPIs Keith Owens
2006-06-23 12:32 ` Andi Kleen [this message]
2006-06-24 8:15 ` Keith Owens
2006-06-24 8:36 ` Andi Kleen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=200606231432.56071.ak@suse.de \
--to=ak@suse.de \
--cc=kaos@sgi.com \
--cc=linux-arch@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.