From: Ingo Molnar <mingo@elte.hu>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Len Brown <lenb@kernel.org>
Subject: Re: Linux 2.6.23-rc4, maxcpus=1 regression
Date: Wed, 29 Aug 2007 06:03:45 +0200 [thread overview]
Message-ID: <20070829040345.GA5260@elte.hu> (raw)
In-Reply-To: <20070829035554.GA838@elte.hu>
* Ingo Molnar <mingo@elte.hu> wrote:
> maxcpus=1 fails to boot on my T60 laptop, it hangs in early bootup
> (right after setting up the local APICs). I bisected it down to this
> recent commit:
>
> | commit 61ec7567db103d537329b0db9a887db570431ff4
> | Author: Len Brown <len.brown@intel.com>
> | Date: Thu Aug 16 03:34:22 2007 -0400
> |
> | ACPI: boot correctly with "nosmp" or "maxcpus=0"
>
> reverting that commit makes the system boot again. I've attached the
> .config.
i suspect it's due to this:
-early_param("maxcpus=", maxcpus);
+__setup("maxcpus=", maxcpus);
i'm quite sure maxcpus still needs to be an early-param.
Ingo
prev parent reply other threads:[~2007-08-29 4:04 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-28 1:58 Linux 2.6.23-rc4 Linus Torvalds
2007-08-28 10:09 ` Soeren Sonnenburg
2007-08-28 10:33 ` Rafael J. Wysocki
2007-08-28 10:42 ` Soeren Sonnenburg
2007-08-29 3:55 ` Linux 2.6.23-rc4, maxcpus=1 regression Ingo Molnar
2007-08-29 4:00 ` Ingo Molnar
2007-08-29 4:03 ` Linus Torvalds
2007-08-29 4:05 ` Ingo Molnar
2007-08-29 4:11 ` Ingo Molnar
2007-08-29 4:03 ` Ingo Molnar [this message]
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