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authorMark H Weaver <mhw@netris.org>2017-03-28 05:52:28 -0400
committerMark H Weaver <mhw@netris.org>2017-06-07 19:03:03 -0400
commitf45878a80d412dd79c95e9274c3ee5dd24e1cec9 (patch)
tree6b509886e274f788f0058a1c50895add2469ef5a /gnu/system/mapped-devices.scm
parent517c66c03d16604e0f59db313368a676b761f79b (diff)
downloadguix-f45878a80d412dd79c95e9274c3ee5dd24e1cec9.tar
guix-f45878a80d412dd79c95e9274c3ee5dd24e1cec9.tar.gz
mapped-devices: Cope with delayed appearance of LUKS source.
Fixes <https://bugs.gnu.org/27242>. * gnu/system/mapped-devices.scm (open-luks-device): If 'find-partition-by-luks-uuid' fails, try again once per second, up to ten times.
Diffstat (limited to 'gnu/system/mapped-devices.scm')
-rw-r--r--gnu/system/mapped-devices.scm12
1 files changed, 11 insertions, 1 deletions
diff --git a/gnu/system/mapped-devices.scm b/gnu/system/mapped-devices.scm
index 2959802c96..18b9f5b4b6 100644
--- a/gnu/system/mapped-devices.scm
+++ b/gnu/system/mapped-devices.scm
@@ -1,6 +1,7 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2014, 2015, 2016 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2016 Andreas Enge <andreas@enge.fr>
+;;; Copyright © 2017 Mark H Weaver <mhw@netris.org>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -114,7 +115,16 @@
;; udev-populated /dev/disk/by-id directory but udev may
;; be unavailable at the time we run this.
(if (bytevector? source)
- (or (find-partition-by-luks-uuid source)
+ (or (let loop ((tries-left 10))
+ (and (positive? tries-left)
+ (or (find-partition-by-luks-uuid source)
+ ;; If the underlying partition is
+ ;; not found, try again after
+ ;; waiting a second, up to ten
+ ;; times. FIXME: This should be
+ ;; dealt with in a more robust way.
+ (begin (sleep 1)
+ (loop (- tries-left 1))))))
(error "LUKS partition not found" source))
source)