/home/developer $ cat /var/log/syslog| grep signon|head -n1
Apr 13 15:50:01 (2012) signonpluginprocess: Cannot read from cancel socket
/home/developer $ while [ true ] ; do cat /var/log/syslog| grep signon|wc -l; done
9335
9504
9663
9971
10310
10692
11101
11509
11931
12384
12864
13334
72
78
104
128
159
173
196
228
253
255
287
301
314
336
357
377
391
414
438
453
478
503
529
541
562
581
596
619
637
651
694
696
712
730
753
767
795
828
828
863
896
924
967
976
1010
1037
1077
1119
1143
1199
1255
1303
1386
1421
1481
1536
1599
1658
1698
1765
1863
1942
2004
2082
2155
2226
2320
2421
2515
2626
2716
2794
2902
3013
3112
3232
3353
3465
3581
3696
3823
3949
4064
4213
4354
4487
4636
4764
4935
5114
5268
5441
5621
5800
6016
6246
6462
6689
6933
7176
7433
7714
7983
8268
8539
8885
9215
^C