I created some bootcharts for a recent rawhide snapshot (Apr 9th), comparing the new gdm early login with rhgb: http://www.bootchart.org/misc/fc4/t1/bootchart.earlylogin.png http://www.bootchart.org/misc/fc4/t1/bootchart.rhgb.png Some observations: 1. Early login definitely helps. Apart from the fact that gdmgreeter shows up ~20 seconds earlier, there's also a ~10 second net gain in boot time. 2. readahead is not installed by default. I'm not sure if this is intentional, but the new package is not listed in comps.xml (FC3 carried it in kernel-utils). Is this due to bug 128444, waiting for a better readahead file list update mechanism? I tried booting with readahead installed, but it didn't improve the times. 3. rdisc (router discovery) could check for an actual network connection and fail if none is available. In my wireless NetworkManager setup (no network during boot) it wastes 6 seconds. 4. I had to disable kudzu and blacklist the ipw2100 module because it was taking 10 seconds and failed to load the firmware during boot: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=145283#c8 -- Ziga
