I think your problem is around this messages, from dmesg:
PCI: Ignoring host bridge windows from ACPI; if necessary, use "pci=use_crs" and report a bug
NVRM: loading NVIDIA UNIX x86 Kernel Module 260.19.44 Sun Feb 27 21:30:31 PST 2011
NVRM: failed to map registers!!
NVRM: RmInitAdapter failed! (0x10:0x32:1323)
NVRM: rm_init_adapter(0) failed
I would suggest to boot the new kernel, adding pci=use_crs
to your kernel boot line:
at grub screen, select the 184.108.40.206 kernel, press F3 (options), select default, add the above option.
... but this doesn't explain why the Phinx RC1 ISO worked ...