linux-kernel - Re: crash dump memory reservation regression

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Message-ID: <s5hmx1b3teh.wl%tiwai@suse.de>
Date:	Fri, 31 Aug 2012 18:42:14 +0200
From:	Takashi Iwai <tiwai@...e.de>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	shuah.khan@...com, Yinghai Lu <yinghai@...nel.org>,
	CAI Qian <caiqian@...hat.com>, Takashi Iwai <tiwai@...e.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>, Vivek Goyal <vgoyal@...hat.com>,
	linux-kernel@...r.kernel.org
Subject: Re: crash dump memory reservation regression

At Fri, 31 Aug 2012 09:37:05 -0700,
H. Peter Anvin wrote:
> 
> Kernel Summit is this week... people are away.

I (as a person who asked the revert) don't mind now to set the
good_end back for 64bit again.  On 3.5/3.6 kernels, there seems more
other places breaking the hibernation on the machines hitting the
problem at that time.  I need to dig deeply, but it's a horrible time-
consuming and unreliable task, thus postponed, so far.


thanks,

Takashi


> Shuah Khan <shuah.khan@...com> wrote:
> 
> >On Mon, 2012-03-12 at 22:42 -0700, H. Peter Anvin wrote:
> >> On 03/12/2012 10:31 PM, Yinghai Lu wrote:
> >> > 
> >> > Solution will be:
> >> > 1.  remove the good_end setting for 64 bit again. and root cause S4
> >resume.
> >> 
> >> This would by far be the best.
> >> 
> >> 	-hpa
> >> 
> >
> >Any resolution on this issue. Has this been fixed? I haven't seen this
> >message on the systems I am running the upstream kernel on, and would
> >like to get a commit ID (if any) that fixed the problem.
> >
> >Thanks,
> >-- Shuah
> 
> -- 
> Sent from my mobile phone. Please excuse brevity and lack of formatting.
> 
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