Comment 27 for bug 54294

This is not an issue on notebooks only.
My desktop machine with an Intel 945 PSN motherboard shows the same lines.

ksp@mithrandir:~$ dmesg | grep -B 5 -A 5 Failed
[ 28.291373] hpet0: 3 64-bit timers, 14318180 Hz
[ 28.292386] PCI-GART: No AMD northbridge found.
[ 28.292462] pnp: 00:06: ioport range 0x500-0x53f has been reserved
[ 28.292466] pnp: 00:06: ioport range 0x400-0x47f could not be reserved
[ 28.292469] pnp: 00:06: ioport range 0x680-0x6ff has been reserved
[ 28.292867] PCI: Failed to allocate mem resource #6:20000@50000000 for 0000:01:00.0
[ 28.292913] PCI: Bridge: 0000:00:01.0
[ 28.292915] IO window: disabled.
[ 28.292919] MEM window: 50000000-51ffffff
[ 28.292923] PREFETCH window: 40000000-4fffffff
[ 28.292927] PCI: Bridge: 0000:00:1c.0