linux-kernel - Re: 4.8-rc1: resume from hibernation doesn't work

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Message-ID: <alpine.LNX.2.00.1608092213010.22028@cbobk.fhfr.pm>
Date:	Tue, 9 Aug 2016 22:13:39 +0200 (CEST)
From:	Jiri Kosina <jikos@...nel.org>
To:	Pavel Machek <pavel@....cz>
cc:	"Rafael J. Wysocki" <rjw@...ysocki.net>, linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org, Thomas Garnier <thgarnie@...gle.com>
Subject: Re: 4.8-rc1: resume from hibernation doesn't work

On Mon, 8 Aug 2016, Pavel Machek wrote:

> 64-bit kernel, I assume?
> 
> I believe that is known:
> 
> From: "Rafael J. Wysocki" <rafael@...nel.org>
> To: Thomas Garnier <thgarnie@...gle.com>
> Cc: "Rafael J. Wysocki" <rafael@...nel.org>, Borislav Petkov <bp@...e.de>, "Rafael J. Wysocki"
>        	<rjw@...ysocki.net>, Linux PM list <linux-pm@...r.kernel.org>, the arch/x86 maintainers
>         <x86@...nel.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Yinghai Lu
>        	<yinghai@...nel.org>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar
>         <mingo@...hat.com>, "H . Peter Anvin" <hpa@...or.com>, Kees Cook <keescook@...omium.org>,
>         Pavel Machek <pavel@....cz>, Kernel Hardening <kernel-hardening@...ts.openwall.com>,
>         Borislav Petkov <bpetkov@...e.de>
> Subject: Re: [Resend][PATCH] x86/power/64: Always create temporary identity mapping correctly

Yeah, I've noticed that thread in the meantime and everything is happening 
there now, thanks.

> >>>> Suggested-by: Yinghai Lu <yinghai@...nel.org>
> >>>> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> >>>> Acked-by: Yinghai Lu <yinghai@...nel.org>
> >>>> ---
> >>>>
> >>>> This is sort of urgent, because hibernation doesn't work with KASLR on x86-64
> >>>> in 4.8-rc1 AFAICS and this should make them work together again.
> >>>>
> >>>> Unless anyone sees any problems with it, I'll queue it up for 4.8-rc2.
> >>>> 
> >>>> Thomas, would it be possible to test it with KASLR enabled, please?
> 
> So yes, testing the patch from that thread would be helpful.

Unfortunately it doesn't fix the issue.

-- 
Jiri Kosina
SUSE Labs