diff options
| author | Maxim Cournoyer <maxim.cournoyer@gmail.com> | 2022-09-16 14:45:15 -0400 |
|---|---|---|
| committer | Maxim Cournoyer <maxim.cournoyer@gmail.com> | 2022-09-16 16:27:08 -0400 |
| commit | d7e56aebec4535f3567c362b6084818873e54b0d (patch) | |
| tree | c230e278f77edad86b3861ad3bec4b2643489443 /gnu/services/desktop.scm | |
| parent | e8fac28b9b1fee6c4327cc93eabf630ddae99b59 (diff) | |
| download | guix-d7e56aebec4535f3567c362b6084818873e54b0d.tar.gz | |
services: desktop: Mount /var/lib/gdm on a tmpfs file system.
Fixes <https://issues.guix.gnu.org/44944>. * gnu/services/xorg.scm (%gdm-activation): Delete variable. (gdm-service-type): De-register it. * gnu/services/desktop.scm (%gdm-file-system): New variable. (gdm-file-system-service): Likewise. (desktop-services-for-system): Use it.
Diffstat (limited to 'gnu/services/desktop.scm')
| -rw-r--r-- | gnu/services/desktop.scm | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gnu/services/desktop.scm b/gnu/services/desktop.scm index 9b3eb12613..1b087635d1 100644 --- a/gnu/services/desktop.scm +++ b/gnu/services/desktop.scm @@ -117,6 +117,9 @@ elogind-service elogind-service-type + %gdm-file-system + gdm-file-system-service + %fontconfig-file-system fontconfig-file-system-service @@ -1232,6 +1235,13 @@ when they log out." (flags '(read-only)) (check? #f))) +(define %gdm-file-system + (file-system + (device "none") + (mount-point "/var/lib/gdm") + (type "tmpfs") + (check? #f))) + ;; The global fontconfig cache directory can sometimes contain stale entries, ;; possibly referencing fonts that have been GC'd, so mount it read-only. ;; As mentioned https://debbugs.gnu.org/cgi/bugreport.cgi?bug=36924#8 and @@ -1240,6 +1250,15 @@ when they log out." (simple-service 'fontconfig-file-system file-system-service-type (list %fontconfig-file-system))) + +;; Avoid stale caches and stale user IDs being reused between system +;; reconfigurations, which would crash GDM and render the system unusable. +;; GDM doesn't require persisting anything valuable there anyway. +(define gdm-file-system-service + (simple-service 'gdm-file-system + file-system-service-type + (list %gdm-file-system))) + ;;; ;;; AccountsService service. @@ -1750,6 +1769,10 @@ applications needing access to be root.") (list (file-append nfs-utils "/sbin/mount.nfs") (file-append ntfs-3g "/sbin/mount.ntfs-3g")))) + ;; This is a volatile read-write file system mounted at /var/lib/gdm, + ;; to avoid GDM stale cache and permission issues. + gdm-file-system-service + ;; The global fontconfig cache directory can sometimes contain ;; stale entries, possibly referencing fonts that have been GC'd, ;; so mount it read-only. |