GNU bug report logs - #62711
Suspend-to-disk with LUKS-encrypted root doesn’t work

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Message #14 received at 62711 <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: Mekeor Melire <mekeor <at> posteo.de>
Cc: 62711 <at> debbugs.gnu.org, Josselin Poiret <dev <at> jpoiret.xyz>
Subject: Re: bug#62711: Suspend-to-disk with LUKS-encrypted root
 doesn’t work
Date: Thu, 20 Apr 2023 12:16:52 +0200

[Message part 1 (text/plain, inline)]

Hi,

Mekeor Melire <mekeor <at> posteo.de> skribis:

> (kernel-arguments
>   (cons*
>     "resume=/dev/mapper/cryptroot"

Ooh, got it, that’s the part I got wrong.

Thanks to the two of your for explaining!

How about this change:

[Message part 2 (text/x-patch, inline)]

diff --git a/doc/guix.texi b/doc/guix.texi
index adb1975935..817b336654 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -17454,6 +17454,17 @@ $ sudo filefrag -e /swapfile | grep '^ *0:' | cut -d: -f3 | cut -d. -f1
    92514304
 @end smallexample
 
+Note that if @file{/swapfile} lives on an encrypted root file system,
+you will instead need to specify the mapped device as the @code{resume}
+argument, like so:
+
+@lisp
+(kernel-arguments
+  (cons* "resume=/dev/mapper/cryptroot"  ;device holding /swapfile
+         "resume_offset=92514304"
+         %default-kernel-arguments))
+@end lisp
+
 @node User Accounts
 @section User Accounts
 

[Message part 3 (text/plain, inline)]

?

Ludo’.

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