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From: Joerg Roedel <joro@8bytes.org>
To: Joerg Roedel <jroedel@suse.de>
Cc: Baoquan He <bhe@redhat.com>, Ingo Molnar <mingo@redhat.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	x86@kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 3/3] x86, crash: Allocate enough low-mem when crashkernel=high
Date: Mon, 9 Feb 2015 13:20:42 +0100	[thread overview]
Message-ID: <20150209122042.GA29106@8bytes.org> (raw)
In-Reply-To: <20150204141020.GB10078@suse.de>

Hi Baoquan,

On Wed, Feb 04, 2015 at 03:10:20PM +0100, Joerg Roedel wrote:
> That makes sense. I also asked the customer to test intermediate values,
> we already know that it works with 256MB but also that 128MB are not
> enough. I will report back when I have the results of the intermediate
> values in 32MB steps.

I got the results from the customer, and it turns out that a value of
192MB is sufficient to make the kdump succeed. It fails with 128MB and
160MB. 

So I think we can settle in 192MB for now. What do you think?

Regards,

	Joerg


  reply	other threads:[~2015-02-09 12:20 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-06 14:51 [PATCH 0/3 v2] Fix kdump failures with crashkernel=high Joerg Roedel
2015-01-06 14:51 ` [PATCH 1/3] swiotlb: Warn on allocation failure in swiotlb_alloc_coherent Joerg Roedel
2015-01-23 17:04   ` Borislav Petkov
2015-01-26 11:49     ` Joerg Roedel
2015-01-06 14:51 ` [PATCH 2/3] x86, swiotlb: Try coherent allocations with __GFP_NOWARN Joerg Roedel
2015-01-23 17:03   ` Borislav Petkov
2015-01-26  3:22     ` Baoquan He
2015-01-26 11:54       ` Joerg Roedel
2015-01-06 14:51 ` [PATCH 3/3] x86, crash: Allocate enough low-mem when crashkernel=high Joerg Roedel
2015-01-23  8:44   ` Baoquan He
2015-01-26 12:07     ` Joerg Roedel
2015-02-01  8:41       ` Baoquan He
2015-02-04 14:10         ` Joerg Roedel
2015-02-09 12:20           ` Joerg Roedel [this message]
2015-02-13 15:34             ` Baoquan He
2015-02-13 22:28               ` Joerg Roedel
2015-02-14 11:44                 ` Baoquan He
2015-01-23 17:02   ` Borislav Petkov
2015-01-26 12:11     ` Joerg Roedel
2015-01-26 12:20       ` Borislav Petkov
2015-01-26 12:40         ` Joerg Roedel
2015-01-26 12:45           ` Borislav Petkov
2015-01-14 13:35 ` [PATCH 0/3 v2] Fix kdump failures with crashkernel=high Joerg Roedel
2015-01-19 19:26 ` Borislav Petkov
2015-01-19 19:26   ` Borislav Petkov
2015-02-14 10:58 ` Baoquan He
2015-02-14 16:11   ` Joerg Roedel
2015-06-02  8:54     ` Baoquan He
2015-06-02  9:08       ` Joerg Roedel
  -- strict thread matches above, loose matches on Subject: below --
2015-06-05 10:29 [PATCH 0/3 v3] " Joerg Roedel
2015-06-05 10:30 ` [PATCH 3/3] x86, crash: Allocate enough low-mem when crashkernel=high Joerg Roedel
2014-11-28 11:29 [PATCH 0/3] Fix kdump failures with crashkernel=high Joerg Roedel
2014-11-28 11:29 ` [PATCH 3/3] x86, crash: Allocate enough low-mem when crashkernel=high Joerg Roedel

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