On Tue 2016-08-09 10:54:15, Jiri Kosina wrote: > On Tue, 9 Aug 2016, Jiri Kosina wrote: > > > current Linus' tree (HEAD 65ea11ec6, so basically 4.8-rc1+) has broken > > resume from hibernation on my x200s. > > > > Suspend works correctly, resuming proceeds up to the point where it > > reports 100% of reading of the hibernation image, and afterwards the > > machine reboots (tripple fault ... dunno, I don't really see any kernel > > messages between the report of reading the hibernation image and reboot). > > > > 4.7-rc4 is fine on this machine, so I thought I'd bisect it, but > > unfortunately at some point in the bisection process, the hibernation > > itself breaks, so there is not really a way for me to bisect it. > > > > Any ideas which patches to try to revert? > > Okay, turning off CONFIG_RANDOMIZE_MEMORY makes the problem go away and > machine resumes properly (and yes, I am running a kernel that already > contains c226fab474). > > Adding Thomas Garnier to CC as well.
64-bit kernel, I assume? I believe that is known: From: "Rafael J. Wysocki" <[email protected]> To: Thomas Garnier <[email protected]> Cc: "Rafael J. Wysocki" <[email protected]>, Borislav Petkov <[email protected]>, "Rafael J. Wysocki" <[email protected]>, Linux PM list <[email protected]>, the arch/x86 maintainers <[email protected]>, Linux Kernel Mailing List <[email protected]>, Yinghai Lu <[email protected]>, Thomas Gleixner <[email protected]>, Ingo Molnar <[email protected]>, "H . Peter Anvin" <[email protected]>, Kees Cook <[email protected]>, Pavel Machek <[email protected]>, Kernel Hardening <[email protected]>, Borislav Petkov <[email protected]> Subject: Re: [Resend][PATCH] x86/power/64: Always create temporary identity mapping correctly ... >>>> Suggested-by: Yinghai Lu <[email protected]> >>>> Signed-off-by: Rafael J. Wysocki <[email protected]> >>>> Acked-by: Yinghai Lu <[email protected]> >>>> --- >>>> >>>> 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. Thanks, Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
