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-rw-r--r--gnu/services/base.scm9
1 files changed, 7 insertions, 2 deletions
diff --git a/gnu/services/base.scm b/gnu/services/base.scm
index ae12c8e93d..42e232c9ac 100644
--- a/gnu/services/base.scm
+++ b/gnu/services/base.scm
@@ -473,8 +473,13 @@ passed to @command{guix-daemon}."
(with-monad %store-monad
(return (service
(provision '(udev))
- (requirement '(root-file-system))
- (documentation "Populate the /dev directory.")
+
+ ;; Udev needs /dev to be a 'devtmpfs' mount so that new device
+ ;; nodes can be added: see
+ ;; <http://www.linuxfromscratch.org/lfs/view/development/chapter07/udev.html>.
+ (requirement '(root-file-system file-system-/dev))
+
+ (documentation "Populate the /dev directory, dynamically.")
(start #~(lambda ()
(define udevd
(string-append #$udev "/libexec/udev/udevd"))