linux-kernel - Re: [PATCH v7u1 26/31] x86: Don't enable swiotlb if there is not enough ram for it

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Message-ID: <CAKocOON15jVO0GuPGC30AwBfQ3VvfGw=_SyG0ZskFy_uzAPMrQ@mail.gmail.com>
Date:	Thu, 31 Jan 2013 12:28:54 -0700
From:	Shuah Khan <shuahkhan@...il.com>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	Konrad Rzeszutek Wilk <konrad@...nel.org>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Borislav Petkov <bp@...en8.de>, Jan Kiszka <jan.kiszka@....de>,
	Jason Wessel <jason.wessel@...driver.com>,
	linux-kernel@...r.kernel.org, Joerg Roedel <joro@...tes.org>
Subject: Re: [PATCH v7u1 26/31] x86: Don't enable swiotlb if there is not
 enough ram for it

On Mon, Jan 28, 2013 at 8:44 PM, Yinghai Lu <yinghai@...nel.org> wrote:
> On Mon, Jan 28, 2013 at 6:27 PM, Shuah Khan <shuahkhan@...il.com> wrote:
>> On Thu, Jan 24, 2013 at 2:50 PM, Yinghai Lu <yinghai@...nel.org> wrote:
>>
>> Your for-x86-boot git boots on AMD system I have. However, with
>> memmap=4095$1M option, it panics very early in boot. I don't have
>> physical access to the console and I will try to get you the panic
>> information tomorrow.
>
> panic is good, but it is supposed some kind of late..
>

It is a very early panic, however it is not specific to your git. It
happens on 3.4, 3.8-rc4. You can disregard the early panic for your
git.

-- Shuah
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