X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=README;h=889c687bacdbe1f6f88cb90ad28663faa2c7f119;hp=300a4cf8bc177770511e3c5170382eb6dd51f9e6;hb=37c0e8f35e92190a22b2ac0fbb23bf396121e84a;hpb=f47ec8ebb3858553dec870e1c596e39525f46360;ds=sidebyside

diff --git a/README b/README
index 300a4cf8b..889c687ba 100644
--- a/README
+++ b/README
@@ -101,6 +101,12 @@ REQUIREMENTS:
         pass the same DESTDIR to 'make sphinx-html' invocation.
 
 USERS AND GROUPS:
+        Default udev rules use the following standard system group names,\
+        which need to be resolvable by getgrnam() at any time, even in the
+        very early boot stages, where no other databases and network is
+        available:
+          tty, dialout, kmem, video, audio, lp, floppy, cdrom, tape, disk
+
         During runtime the journal daemon requires the
         "system-journal" system group to exist. New journal files will
         be readable by this group (but not writable) which may be used