cowbuilder / pbuilder madness

op - 17:44:20 up 16 min,  3 users,  load average: 60.50, 13.37, 4.60
Tasks: 1117 total,  62 running, 1055 sleeping,   0 stopped,   0 zombie
%Cpu(s): 21.3 us, 30.7 sy,  0.0 ni,  7.4 id, 40.2 wa,  0.0 hi,  0.0 si,  0.4 st
KiB Mem:   4044548 total,  4028084 used,    16464 free,    40556 buffers
KiB Swap:  4194300 total,       36 used,  4194264 free,   378780 cached

  PID USER      PR  NI  VIRT  RES  SHR S  %CPU %MEM    TIME+  COMMAND
 1247 1234      20   0 12472 4828  840 D   6.3  0.1   0:00.19 make
21852 manu      20   0 22416 2020 1080 R   2.3  0.0   0:00.20 top
 5277 1234      20   0 37452 8344 3080 D   2.0  0.2   0:00.06 cc1plus
 5354 1234      20   0 37456 8368 3080 D   2.0  0.2   0:00.06 cc1plus
 5395 1234      20   0 37452 8340 3080 D   2.0  0.2   0:00.06 cc1plus
 5439 1234      20   0 34992 5200 2692 R   2.0  0.1   0:00.06 cc1plus
 5487 1234      20   0 36392 7284 3080 R   2.0  0.2   0:00.06 cc1plus
 5512 1234      20   0 37456 8316 3080 D   2.0  0.2   0:00.06 cc1plus
 5514 1234      20   0 37424 8104 3080 R   2.0  0.2   0:00.06 cc1plus
 5602 1234      20   0 37456 8368 3080 D   2.0  0.2   0:00.06 cc1plus
 3218 1234      20   0 36392 7292 3080 R   1.7  0.2   0:00.05 cc1plus
 4141 1234      20   0 35968 7008 3076 R   1.7  0.2   0:00.05 cc1plus
 5226 1234      20   0 36400 7584 3080 R   1.7  0.2   0:00.05 cc1plus
 5254 1234      20   0 37456 8368 3080 D   1.7  0.2   0:00.05 cc1plus
 5390 1234      20   0 36388 7328 3080 R   1.7  0.2   0:00.05 cc1plus
 5449 1234      20   0 37452 8364 3080 D   1.7  0.2   0:00.05 cc1plus