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-rw-r--r--gnu/system/install.scm13
1 files changed, 12 insertions, 1 deletions
diff --git a/gnu/system/install.scm b/gnu/system/install.scm
index f6f1923121..3dd9e0e87b 100644
--- a/gnu/system/install.scm
+++ b/gnu/system/install.scm
@@ -284,13 +284,24 @@ templates under @file{/etc/configuration}.")))
;; appropriate options. The GUI installer needs it when the machine does not
;; support Kernel Mode Setting. Otherwise kmscon is missing /dev/fb0.
(define (uvesafb-shepherd-service _)
+ (define modprobe
+ (program-file "modprobe-wrapper"
+ #~(begin
+ ;; Use a wrapper because shepherd 0.9.3 won't let us
+ ;; pass environment variables to the child process:
+ ;; <https://issues.guix.gnu.org/60106>.
+ (setenv "LINUX_MODULE_DIRECTORY"
+ "/run/booted-system/kernel/lib/modules")
+ (apply execl #$(file-append kmod "/bin/modprobe")
+ "modprobe" (cdr (command-line))))))
+
(list (shepherd-service
(documentation "Load the uvesafb kernel module if needed.")
(provision '(maybe-uvesafb))
(requirement '(file-systems))
(start #~(lambda ()
(or (file-exists? "/dev/fb0")
- (invoke #+(file-append kmod "/bin/modprobe")
+ (invoke #+modprobe
"uvesafb"
(string-append "v86d=" #$v86d "/sbin/v86d")
"mode_option=1024x768"))))