This is also seen on Lenovo T61 with latest updates from Karmic Beta.

Starting suspend at Sat Oct 10 08:35:04 IST 2009
hibernate-ram: [01] Executing CheckLastResume ...
hibernate-ram: [01] Executing CheckRunlevel ...
hibernate-ram: [01] Executing LockFileGet ...
hibernate-ram: [01] Executing NewKernelFileCheck ...
hibernate-ram: [10] Executing EnsureUSuspendCapable ...
hibernate-ram: [11] Executing XHacksSuspendHook1 ...
hibernate-ram: [59] Executing RemountXFSBootRO ...
hibernate-ram: [89] Executing SaveKernelModprobe ...
hibernate-ram: [91] Executing ModulesUnloadBlacklist ...
Some modules failed to unload: nvidia
hibernate-ram: Aborting suspend due to errors in ModulesUnloadBlacklist (use --force to override).
hibernate-ram: [90] Executing ModulesLoad ...
hibernate-ram: [89] Executing RestoreKernelModprobe ...
hibernate-ram: [85] Executing XHacksResumeHook2 ...
hibernate-ram: [70] Executing ClockRestore ...
hibernate-ram: [59] Executing RemountXFSBootRW ...
hibernate-ram: [11] Executing XHacksResumeHook1 ...
hibernate-ram: [01] Executing NoteLastResume ...
hibernate-ram: [01] Executing LockFilePut ...
Resumed at Sat Oct 10 08:35:05 IST 2009

Kernel: 2.6.31-11-generic #38-Ubuntu SMP Fri Oct 2 11:55:55 UTC 2009 i686 GNU/Linux

abmodi@abhinav-lnx:~$ lspci | grep -i nv
01:00.0 VGA compatible controller: nVidia Corporation Quadro NVS 140M (rev a1)
abmodi@abhinav-lnx:~$ dpkg -l nvidia\*| grep ii
ii  nvidia-173-modaliases                                                 173.14.20-0ubuntu2                               Modaliases for the NVIDIA binary X.Org drive
ii  nvidia-177-modaliases                                                 177.82-0ubuntu0.1                                Modaliases for the NVIDIA binary X.Org drive
ii  nvidia-185-kernel-source                                              185.18.36-0ubuntu4                               NVIDIA binary kernel module source
ii  nvidia-185-libvdpau                                                   185.18.36-0ubuntu4                               Video Decode and Presentation API for Unix
ii  nvidia-185-modaliases                                                 185.18.36-0ubuntu4                               Modaliases for the NVIDIA binary X.Org drive
ii  nvidia-71-modaliases                                                  71.86.08-0ubuntu1                                Modaliases for the NVIDIA binary X.Org drive
ii  nvidia-96-modaliases                                                  96.43.13-0ubuntu3                                Modaliases for the NVIDIA binary X.Org drive
ii  nvidia-common                                                         0.2.15                                           Find obsolete NVIDIA drivers
ii  nvidia-glx-180                                                        185.18.36-0ubuntu4                               Transitional package for nvidia-glx-185
ii  nvidia-glx-185                                                        185.18.36-0ubuntu4                               NVIDIA binary Xorg driver
ii  nvidia-settings                                                       180.25-0ubuntu1                                  Tool of configuring the NVIDIA graphics driv