Date: Thu, 07 Apr 2016 00:41:46 +0200 From: Paul Bolle <pebolle@...cali.nl> To: Kees Cook <keescook@...omium.org>, "Rafael J. Wysocki" <rafael@...nel.org> Cc: Ingo Molnar <mingo@...nel.org>, Linus Torvalds <torvalds@...ux-foundation.org>, Ard Biesheuvel <ard.biesheuvel@...aro.org>, Matt Redfearn <matt.redfearn@...tec.com>, Yves-Alexis Perez <corsac@...ian.org>, Emrah Demir <ed@...sec.com>, Jonathan Corbet <corbet@....net>, "x86@...nel.org" <x86@...nel.org>, "Rafael J. Wysocki" <rjw@...ysocki.net>, Len Brown <len.brown@...el.com>, Pavel Machek <pavel@....cz>, Borislav Petkov <bp@...e.de>, Andy Lutomirski <luto@...nel.org>, "open list:DOCUMENTATION" <linux-doc@...r.kernel.org>, "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, "kernel-hardening@...ts.openwall.com" <kernel-hardening@...ts.openwall.com> Subject: Re: [PATCH] Prefer kASLR over Hibernation On wo, 2016-04-06 at 15:16 -0700, Kees Cook wrote: > And it seems like Fedora either doesn't either, or has a lot of people > for whom it doesn't work: > https://bugzilla.redhat.com/show_bug.cgi?id=1206936 > https://bugzilla.redhat.com/show_bug.cgi?id=1224151 > http://blog.kriptonium.com/2015/12/fedora-23-hibernate.html Which are all variations on a theme: add "resume=$SWAP" to your kernel commandline, aren't they? (No idea why that's needed since Fedora 22, but it cost me quite a bit of head scratching to find out.) Once that parameter was set hibernate functioned again on the few laptops I, well, manage that run Fedora 22. Thanks, Paul Bolle
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