Suspend and Hibernate were working fine on my Lenovo x200 up until the update on 1/27:  

Start-Date: 2011-01-27  06:42:20
Install: linux-headers-2.6.35-25:i386 (2.6.35-25.44), linux-headers-2.6.35-25-generic-pae:i386 (2.6.35-25.44), linux-image-2.6.35-25-generic-pae:i386 (2.6.35-25.44)
Upgrade: icedtea6-plugin:i386 (6b20-1.9.2-0ubuntu2, 6b20-1.9.4-0ubuntu1), linux-image-generic-pae:i386 (2.6.35.24.28, 2.6.35.25.32), icedtea-6-jre-cacao:i386 (6b20-1.9.2-0ubuntu2, 6b20-1.9.4-0ubuntu1), linux-libc-dev:i386 (2.6.35-1024.42, 2.6.35-1025.44), openjdk-6-jre-headless:i386 (6b20-1.9.2-0ubuntu2, 6b20-1.9.4-0ubuntu1), openjdk-6-jre:i386 (6b20-1.9.2-0ubuntu2, 6b20-1.9.4-0ubuntu1), openjdk-6-jre-lib:i386 (6b20-1.9.2-0ubuntu2, 6b20-1.9.4-0ubuntu1), linux-generic-pae:i386 (2.6.35.24.28, 2.6.35.25.32), linux-headers-generic-pae:i386 (2.6.35.24.28, 2.6.35.25.32)
End-Date: 2011-01-27  06:44:18

Now when I attempt to Suspend, the screen goes dark, the moon blinks a couple of times and then I get the lock screen; suspend fails.

Here are the log messages:

Jan 29 09:02:00 MES0102 kernel: [ 4163.331420] EXT4-fs (sda1): re-mounted. Opts: errors=remount-ro,commit=0
Jan 29 09:02:04 MES0102 kernel: [ 4167.636050] usb 4-2: USB disconnect, address 2
Jan 29 09:02:05 MES0102 kernel: [ 4167.840698] cfg80211: Calling CRDA to update world regulatory domain
Jan 29 09:02:05 MES0102 kernel: [ 4167.858338] cfg80211: World regulatory domain updated:
Jan 29 09:02:05 MES0102 kernel: [ 4167.858340] cfg80211:     (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
Jan 29 09:02:05 MES0102 kernel: [ 4167.858342] cfg80211:     (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
Jan 29 09:02:05 MES0102 kernel: [ 4167.858345] cfg80211:     (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)
Jan 29 09:02:05 MES0102 kernel: [ 4167.858347] cfg80211:     (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)
Jan 29 09:02:05 MES0102 kernel: [ 4167.858350] cfg80211:     (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
Jan 29 09:02:05 MES0102 kernel: [ 4167.858352] cfg80211:     (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
Jan 29 09:02:08 MES0102 kernel: [ 4168.643712] PM: Syncing filesystems ... done.
Jan 29 09:02:08 MES0102 kernel: [ 4168.902645] Freezing user space processes ... (elapsed 0.01 seconds) done.
Jan 29 09:02:08 MES0102 kernel: [ 4168.916124] Freezing remaining freezable tasks ... (elapsed 0.01 seconds) done.
Jan 29 09:02:08 MES0102 kernel: [ 4168.932175] Suspending console(s) (use no_console_suspend to debug)
Jan 29 09:02:08 MES0102 kernel: [ 4168.944196] sd 0:0:0:0: [sda] Synchronizing SCSI cache
Jan 29 09:02:08 MES0102 kernel: [ 4168.952481] sd 0:0:0:0: [sda] Stopping disk
Jan 29 09:02:08 MES0102 kernel: [ 4169.359922] PM: suspend of drv:sd dev:0:0:0:0 complete after 415.730 msecs
Jan 29 09:02:08 MES0102 kernel: [ 4169.359951] PM: suspend of drv:scsi dev:target0:0:0 complete after 415.726 msecs
Jan 29 09:02:08 MES0102 kernel: [ 4169.359964] PM: suspend of drv:scsi dev:host0 complete after 415.665 msecs
Jan 29 09:02:08 MES0102 kernel: [ 4169.360365] sd 0:0:0:0: [sda] Starting disk
Jan 29 09:02:08 MES0102 kernel: [ 4169.467123] PM: resume of drv:usb dev:7-2 complete after 106.713 msecs
Jan 29 09:02:08 MES0102 kernel: [ 4169.467150] PM: resume of drv:usb dev:7-2:1.0 complete after 106.724 msecs
Jan 29 09:02:08 MES0102 kernel: [ 4169.467154] PM: resume of drv:cdc_acm dev:7-2:1.10 complete after 106.561 msecs
Jan 29 09:02:08 MES0102 kernel: [ 4169.467158] PM: resume of drv:cdc_acm dev:7-2:1.1 complete after 106.717 msecs
Jan 29 09:02:08 MES0102 kernel: [ 4169.467161] PM: resume of drv:cdc_acm dev:7-2:1.9 complete after 106.589 msecs
Jan 29 09:02:08 MES0102 kernel: [ 4169.467165] PM: resume of drv:cdc_acm dev:7-2:1.2 complete after 106.709 msecs
Jan 29 09:02:08 MES0102 kernel: [ 4169.467168] PM: resume of drv:cdc_ether dev:7-2:1.8 complete after 106.613 msecs
Jan 29 09:02:08 MES0102 kernel: [ 4169.467171] PM: resume of drv:cdc_acm dev:7-2:1.3 complete after 106.701 msecs
Jan 29 09:02:08 MES0102 kernel: [ 4169.467174] PM: resume of drv:cdc_ether dev:7-2:1.7 complete after 106.634 msecs
Jan 29 09:02:08 MES0102 kernel: [ 4169.467178] PM: resume of drv:cdc_acm dev:7-2:1.4 complete after 106.694 msecs
Jan 29 09:02:08 MES0102 kernel: [ 4169.467181] PM: resume of drv:cdc_wdm dev:7-2:1.6 complete after 106.656 msecs
Jan 29 09:02:08 MES0102 kernel: [ 4169.467184] PM: resume of drv:cdc_wdm dev:7-2:1.5 complete after 106.685 msecs
Jan 29 09:02:08 MES0102 kernel: [ 4169.937342] PM: resume of drv:sd dev:0:0:0:0 complete after 576.975 msecs
Jan 29 09:02:08 MES0102 kernel: [ 4169.937355] PM: resume of drv:scsi_disk dev:0:0:0:0 complete after 500.729 msecs
Jan 29 09:02:08 MES0102 kernel: [ 4169.937367] PM: resume of drv:scsi_device dev:0:0:0:0 complete after 576.971 msecs
Jan 29 09:02:08 MES0102 kernel: [ 4169.940331] PM: resume of devices complete after 580.350 msecs
Jan 29 09:02:08 MES0102 kernel: [ 4170.499760] IBM TrackPoint firmware: 0x0e, buttons: 3/3
Jan 29 09:02:08 MES0102 kernel: [ 4170.517213] input: TPPS/2 IBM TrackPoint as /devices/platform/i8042/serio1/input/input12
Jan 29 09:02:08 MES0102 kernel: [ 4170.520548] PM: resume devices took 1.164 seconds
Jan 29 09:02:08 MES0102 kernel: [ 4170.520566] Restarting tasks ... done.
Jan 29 09:02:08 MES0102 kernel: [ 4170.521153] video LNXVIDEO:00: Restoring backlight state
Jan 29 09:02:08 MES0102 kernel: [ 4170.752914] ADDRCONF(NETDEV_UP): eth0: link is not ready
Jan 29 09:02:08 MES0102 kernel: [ 4170.790324] ADDRCONF(NETDEV_UP): wlan0: link is not ready
Jan 29 09:02:08 MES0102 kernel: [ 4170.880566] Skipping EDID probe due to cached edid
Jan 29 09:02:09 MES0102 kernel: [ 4171.420534] usb 4-2: new full speed USB device using uhci_hcd and address 3
Jan 29 09:02:10 MES0102 kernel: [ 4172.381352] EXT4-fs (sda1): re-mounted. Opts: errors=remount-ro,commit=0
Jan 29 09:02:15 MES0102 kernel: [ 4177.341005] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready

Let me know what additional information that is required.