From: Len Brown <lenb@kernel.org>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Mark Lord <lkml@rtr.ca>,
Linux Kernel <linux-kernel@vger.kernel.org>,
simon.derr@bull.net
Subject: Re: Problems with SMP & ACPI powering off
Date: Fri, 28 Sep 2007 00:57:44 -0400 [thread overview]
Message-ID: <200709280057.44789.lenb@kernel.org> (raw)
In-Reply-To: <200709280000.53001.rjw@sisk.pl>
On Thursday 27 September 2007 18:00, Rafael J. Wysocki wrote:
> On Thursday, 27 September 2007 23:29, Mark Lord wrote:
> > Question: do we disable all CPUs except 0 when doing ACPI power off?
>
> No, but we should.
We used to.
It is absolutely mandatory -- else it confuses the BIOS on some boards
b/c it isn't expecting SMM to get entered from other than cpu0.
-Len
next prev parent reply other threads:[~2007-09-28 4:58 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-27 21:29 Problems with SMP & ACPI powering off Mark Lord
2007-09-27 21:30 ` Mark Lord
2007-09-27 22:00 ` Rafael J. Wysocki
2007-09-27 23:07 ` Mark Lord
2007-09-28 4:57 ` Len Brown [this message]
2007-09-28 12:55 ` Rafael J. Wysocki
2007-09-28 13:22 ` Mark Lord
2007-09-28 13:44 ` Rafael J. Wysocki
2007-09-28 13:46 ` Mark Lord
2007-09-28 13:52 ` [PATCH] disable non-boot CPUs before poweroff Mark Lord
2007-09-28 14:11 ` Mark Lord
2007-09-28 14:55 ` Thomas Gleixner
2007-09-28 19:53 ` [PATCH] (repost) Fix SMP poweroff hangs Mark Lord
2007-09-30 9:00 ` Santiago Garcia Mantinan
2007-09-30 17:21 ` Mark Lord
2007-09-30 17:54 ` Santiago Garcia Mantinan
2007-09-30 18:47 ` Mark Lord
2007-09-30 20:03 ` Santiago Garcia Mantinan
2007-09-30 22:52 ` 32-bit Athlon X2 won't poweroff (was: Fix SMP poweroff hangs) Mark Lord
2007-09-30 22:56 ` 32-bit Athlon X2 won't poweroff Mark Lord
2007-10-01 16:19 ` 32-bit Athlon X2 won't poweroff (was: Fix SMP poweroff hangs) Santiago Garcia Mantinan
2007-10-01 16:37 ` 32-bit Athlon X2 won't poweroff Mark Lord
2007-10-01 20:05 ` [PATCH] (repost) Fix SMP poweroff hangs Rafael J. Wysocki
2007-10-01 22:38 ` Santiago Garcia Mantinan
2007-09-28 15:05 ` [PATCH] disable non-boot CPUs before poweroff Rafael J. Wysocki
2007-09-28 15:02 ` Thomas Gleixner
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