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From: Simon Horman <horms@verge.net.au>
To: Cliff Wickman <cpw@sgi.com>
Cc: kexec@lists.infradead.org
Subject: Re: [PATCH] kexec x86: drop truncation warning for crash kernel
Date: Tue, 5 Mar 2013 10:53:30 +0900	[thread overview]
Message-ID: <20130305015330.GC28547@verge.net.au> (raw)
In-Reply-To: <E1UA2LP-0007z2-2z@eag09.americas.sgi.com>

On Mon, Feb 25, 2013 at 12:00:07PM -0600, Cliff Wickman wrote:
> From: Cliff Wickman <cpw@sgi.com>
> 
> On kexec set-up of a crash kernel on a very large memory machine we
> sometimes see the worrisome warning:
>   Too many memory ranges, truncating...
> meaning that the total count of e820 ram, reserved and ACPI spaces is over 128.
> 
> Per the comment in do_bzImage_load():
>                 /* If using bzImage for capture kernel, then we will not be
>                  * executing real mode code. setup segment can be loaded
>                  * anywhere as we will be just reading command line.
>                  */
> So if I understand, the e820 table built here and added to the 'real_mode'
> area is not going to be used.
> So the warning message can be omitted.

Thanks, applied.

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      reply	other threads:[~2013-03-05  1:53 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-02-25 18:00 [PATCH] kexec x86: drop truncation warning for crash kernel Cliff Wickman
2013-03-05  1:53 ` Simon Horman [this message]

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