04:00.0 maps to your sd reader. The mainline kernels were using older configs, and 3.2 in precise enabled CONFIG_MEMSTICK_R592 which hggdh's SD reader device on 04:00.0 is using. It looks like this patch may fix it.
http://pkgs.fedoraproject.org/gitweb/?p=kernel.git;a=blob;f=dmar-disable-when-ricoh-multifunction.patch;h=a4528617ecfdc437072e96c47cafbe10b5e5478f;hb=HEAD
04:00.0 maps to your sd reader. The mainline kernels were using older configs, and 3.2 in precise enabled CONFIG_ MEMSTICK_ R592 which hggdh's SD reader device on 04:00.0 is using. It looks like this patch may fix it.
http:// pkgs.fedoraproj ect.org/ gitweb/ ?p=kernel. git;a=blob; f=dmar- disable- when-ricoh- multifunction. patch;h= a4528617ecfdc43 7072e96c47cafbe 10b5e5478f; hb=HEAD