linux-kernel - Re: PROBLEM: [Launchpad #1396889] [Lenovo ThinkPad T400] kexec reboot fails

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Message-ID: <CAE8gLhmxEoJ-7vs+avCite=zWZkVF9t8Y1c8yTu887aFYULRiA@mail.gmail.com>
Date:	Sat, 6 Dec 2014 04:10:15 +0100
From:	MegaBrutal <megabrutal@...il.com>
To:	Kees Cook <keescook@...omium.org>
Cc:	Linux kernel <linux-kernel@...r.kernel.org>,
	Baoquan He <bhe@...hat.com>, "x86@...nel.org" <x86@...nel.org>,
	"H. Peter Anvin" <hpa@...ux.intel.com>
Subject: Re: PROBLEM: [Launchpad #1396889] [Lenovo ThinkPad T400] kexec reboot fails

2014-12-01 23:59 GMT+01:00 Kees Cook <keescook@...omium.org>:
>
> I suspect you're encountering a subset of the same problems as
> described in this thread:
> https://lkml.org/lkml/2014/9/30/90
>
> If you can test those patches, that may help demonstrate their utility.
>
> Thanks!

Bang ji le! It works with the patch you linked, xiexie!
I suggest it to be merged into mainline.

Anyway, is there a way to get sure that KASLR actually works now?
(I.e. how do I know if the kernel is really loaded to a random
address?)
Do you have any idea what might be different with my ThinkPad T400
that it is the only one of my machines affected?
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