Long Boot times

[Arthur Dent]

Hello all,

I have just upgraded my F14 desktop system to F16 (fresh install
with /home partition maintained from previous Fedora install and some
config files copied across). Now about 50% of boot times are acceptable
(sub 1 minute even with a 5s grub delay) and others take around 2
minutes with a rather alarming black screen for much of that time.

I have no idea if this is caused by SEL, but when i look at dmesg for
the "slow" boots it shows this at the very end:

===============8<====================================
[root at localhost ~]# dmesg
[       snip ]
[   32.248789] e1000e 0000:00:19.0: em1: 10/100 speed: disabling TSO
[   32.248955] ADDRCONF(NETDEV_CHANGE): em1: link becomes ready
[   42.354015] em1: no IPv6 routers present
[   90.858903] SELinux: initialized (dev 0:21, type nfs4), uses genfs_contexts
[   90.863622] SELinux: initialized (dev 0:22, type nfs4), uses genfs_contexts
[   90.867429] SELinux: initialized (dev 0:23, type nfs4), uses genfs_contexts
[   90.868787] SELinux: initialized (dev 0:24, type nfs4), uses genfs_contexts
[   90.872920] SELinux: initialized (dev 0:22, type nfs4), uses genfs_contexts
[   90.877188] SELinux: initialized (dev 0:25, type nfs4), uses genfs_contexts
[   90.878883] mount[998]: mount.nfs: /mnt/NFSmark is busy or already mounted
[   90.887451] SELinux: initialized (dev 0:22, type nfs4), uses genfs_contexts
[   90.927896] SELinux: initialized (dev 0:21, type nfs4), uses genfs_contexts
[   90.932400] SELinux: initialized (dev 0:22, type nfs4), uses genfs_contexts
[   92.714872] [drm:drm_debugfs_create_files] *ERROR* Cannot create /sys/kernel/debug/dri/channel\xfffffff0i\xffffff80]\xffffffc0\x03/3
[   95.940096] [drm:drm_debugfs_create_files] *ERROR* Cannot create /sys/kernel/debug/dri/channel\xffffffe9i\xffffff80]\xffffffc0\x03/3
[root at localhost ~]# 

===============8<====================================
On the successful boots dmesg ends with the "no IPv6 routers present"
line at around 44s.

Is this even anything to do with SEL?

Even if it isn't, can any of the gurus here suggest how to proceed
towards fixing it?

I originally thought that this was a NFS mounting problem and posted a
thread in the Fedora Users list as can be seen here:
http://lists.fedoraproject.org/pipermail/users/2011-December/409137.html
but I now think that that was a red-herring.

Thanks in advance for any help or suggestions...

Mark


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