I face a related bug with Precise, kernel 3.2.0-32-generic #51-Ubuntu SMP, 
x86_64:
[drm:intel_dsm_pci_probe] *ERROR* failed to get supported _DSM functions    ; 
from syslog

In about 1 of 5 cases, it causes the system to hang for ca. 10 seconds
during boot.  The boot screen stays black up to the messages which I can
find in boot.log later on.  I couldn't change this via Plymouth
(~>https://wiki.ubuntu.com/Plymouth).  If that hang occurs, I get a
crash report for fingerprint-helper
(->https://launchpad.net/~fingerprint/+archive/fingerprint-
gui?field.series_filter=precise), but Wolfgang Ullrich didn't find
anything referring to his software.

Are you still interested in the information you asked for in March ?

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https://bugs.launchpad.net/bugs/777260

Title:
  i915 module giving error "failed to get supported _DSM functions"

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