Comment 9 for bug 501715

I noticed that the first lines of dumping the pack file show the size of the pack which is pretty close to the size of the missing memory:

Fri Jan 22 10:22:38 CST 2010
             total used free shared buffers cached
Mem: 1021768 444560 577208 0 22568 106268
-/+ buffers/cache: 315724 706044
Swap: 329292 0 329292
-----------------
Fri Jan 22 10:58:27 CST 2010
             total used free shared buffers cached
Mem: 1021768 344036 677732 0 37752 119860
-/+ buffers/cache: 186424 835344
Swap: 329292 0 329292
/var/lib/ureadahead/pack: created Fri, 22 Jan 2010 16:23:23 +0000 for hdd 8:1
16 inode groups, 1819 files, 1793 blocks (114844 kB)

315724-186424=129300

I am not getting anymore segfaults in X when I remove the pack file. (this is a lucid test machine so there were many updates since then.)