~ruther/guix-local: services: udev: Make sure modules are found, and use "udevadm settle".

081c5b2d66b6f9bdd1b966a96640b7ec4df8d5a6 — Ludovic Courtès 11 years ago 62f0a47

services: udev: Make sure modules are found, and use "udevadm settle".

* gnu/services/base.scm (udev-service): Set $LINUX_MODULE_DIRECTORY.  In
  the parent, invoke "udevadm settle" before "udevadm trigger".

patch browse .tar.gz

1 files changed, 7 insertions(+), 0 deletions(-)

M gnu/services/base.scm

M gnu/services/base.scm => gnu/services/base.scm +7 -0

@@ 409,6 409,10 @@ hydra.gnu.org are used by default."
              (requirement '(root-file-system))
              (documentation "Populate the /dev directory.")
              (start #~(lambda ()
+                        ;; Allow udev to find the modules.
+                        (setenv "LINUX_MODULE_DIRECTORY"
+                                "/run/booted-system/kernel/lib/modules")
+
                         (let ((pid (primitive-fork)))
                           (case pid
                             ((0)


@@ 421,6 425,9 @@ hydra.gnu.org are used by default."
                              (execl (string-append #$udev "/libexec/udev/udevd")
                                     "udevd"))
                             (else
+                             ;; Wait for things to settle down.
+                             (system* (string-append #$udev "/bin/udevadm")
+                                      "settle")
                              ;; Create a bunch of devices.
                              (system* (string-append #$udev "/bin/udevadm")
                                       "trigger")