I've noticed this a few times before -- the +/- buffers info
given by free goes negative sometimes.
This from 2.1.63 while compiling kernels over NFS from localhost:
pc29:~$ free
total used free shared buffers cached
Mem: 62980 54244 8736 11860 4140
-/+ buffers: 50104 4596
Swap: 68508 4 68504 40484
pc29:~$ free
total used free shared buffers cached
Mem: 62980 59248 3732 14084 4140
-/+ buffers: 55108 4193896
Swap: 68508 4 68504 40656
pc29:~$ free
total used free shared buffers cached
Mem: 62980 58752 4228 14336 4204
-/+ buffers: 54548 24
Swap: 68508 4 68504 41060
pc29:~$ free
total used free shared buffers cached
Mem: 62980 58424 4556 14060 4204
-/+ buffers: 54220 352
Swap: 68508 4 68504 41068
Are these number supposed to be approximate, or is there a
bug/race/whatever somewhere?
Matthew.