Same problem in Ubuntu 11.10 at Lenovo ThinkPad X200s laptop. This issue was also problem in 11.04, afterwards it was fixed, but in 11.10, second suspend again is not working.
uname -a
Linux vojtec-laptop 2.6.38-11-generic-pae #50-Ubuntu SMP Mon Sep 12 22:21:04 UTC 2011 i686 i686 i386 GNU/Linux
Same problem in Ubuntu 11.10 at Lenovo ThinkPad X200s laptop. This issue was also problem in 11.04, afterwards it was fixed, but in 11.10, second suspend again is not working.
uname -a 11-generic- pae #50-Ubuntu SMP Mon Sep 12 22:21:04 UTC 2011 i686 i686 i386 GNU/Linux
Linux vojtec-laptop 2.6.38-