Comment 7 for bug 95078

same here for a T2300 1,66 ghz with ubuntu Feisty Fawn

top:

 4790 root 23 0 189m 36m 11m R 94.9 3.6 15:31.74 Xorg
 6128 john 15 0 264m 120m 25m S 1.3 11.9 12:34.32 firefox-bin
 6697 john 15 0 72324 25m 10m S 1.0 2.6 4:04.83 skype
 1561 root 15 0 6652 2304 1880 S 1.0 0.2 0:00.03 sshd
 5376 john 15 0 18068 10m 8172 S 0.7 1.1 0:22.16 metacity
 1428 john 15 0 60180 16m 11m S 0.3 1.6 0:00.26 gnome-terminal
 1455 john 16 0 2316 1196 880 R 0.3 0.1 0:00.13 top
    1 root 16 0 2908 1848 524 S 0.0 0.2 0:01.37 init
    2 root 34 19 0 0 0 S 0.0 0.0 0:00.01 ksoftirqd/0

good to note that it only happens with google spreadsheet and not e.g. docs