From: Yinghai Lu <yinghai@kernel.org>
To: Roland Dreier <rdreier@cisco.com>
Cc: Jens Axboe <jens.axboe@oracle.com>, Ingo Molnar <mingo@elte.hu>,
Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: Bisected regression
Date: Thu, 10 Dec 2009 11:50:37 -0800 [thread overview]
Message-ID: <4B21510D.4030609@kernel.org> (raw)
In-Reply-To: <ada1vj2mxj6.fsf@roland-alpha.cisco.com>
Roland Dreier wrote:
> > that BIOS is using first 64k for mptable. and after booting those
> > mptable is overwritten by trampoline.
>
> So fix that BIOS people should do is to move the mptable above 64K and
> leave low 64K empty?
Yes. should be below and near 1M, and use e820 to reserve it.
YH
next prev parent reply other threads:[~2009-12-10 19:51 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-10 9:10 current -git fails to boot on nehalem-ex Jens Axboe
2009-12-10 10:39 ` Bisected regression (Was Re: current -git fails to boot on nehalem-ex) Jens Axboe
2009-12-10 16:06 ` Ingo Molnar
2009-12-10 17:26 ` Yinghai
2009-12-10 18:07 ` Jens Axboe
2009-12-10 18:34 ` Yinghai Lu
2009-12-10 18:41 ` Bisected regression Roland Dreier
2009-12-10 18:44 ` Jens Axboe
2009-12-10 19:13 ` Yinghai Lu
2009-12-10 18:44 ` Yinghai Lu
2009-12-10 18:42 ` Bisected regression (Was Re: current -git fails to boot on nehalem-ex) Yinghai Lu
2009-12-10 18:45 ` Jens Axboe
2009-12-10 19:07 ` Jens Axboe
2009-12-10 19:19 ` Yinghai Lu
2009-12-10 19:26 ` Jens Axboe
2009-12-10 19:34 ` Bisected regression Roland Dreier
2009-12-10 21:07 ` Bisected regression (Was Re: current -git fails to boot on nehalem-ex) Yinghai Lu
2009-12-10 21:15 ` Jens Axboe
2009-12-10 22:39 ` H. Peter Anvin
2009-12-10 22:45 ` Yinghai Lu
2009-12-10 22:54 ` H. Peter Anvin
2009-12-10 22:47 ` Bisected regression Roland Dreier
2009-12-10 22:50 ` H. Peter Anvin
2009-12-11 8:19 ` Bisected regression (Was Re: current -git fails to boot on nehalem-ex) Jens Axboe
2009-12-11 8:32 ` Ingo Molnar
2009-12-11 8:55 ` [tip:x86/urgent] x86: Use find_e820() instead of hard coded trampoline address tip-bot for Yinghai Lu
2009-12-10 19:28 ` Bisected regression Roland Dreier
2009-12-10 19:33 ` Yinghai Lu
2009-12-10 19:36 ` Roland Dreier
2009-12-10 19:50 ` Yinghai Lu [this message]
2009-12-10 22:44 ` H. Peter Anvin
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