#290 ptp test fails on master head

[panmingquan]

ptp test fails on master head.

...
root:/> ^[[6
Case 5 ...PASS

Case 5 ...PASS
ntestptp -s^M
set time okay^M
root:/> ^[
Case 5 ...PASS

Case 5 ...PASS
[6nhwstamp_ctl -i eth0 -r 6 -t 1^M
tx_type 1^M
rx_filter 6^M
root:/>
Case 5 ...PASS

Case 5 ...PASS
^[[6ntestptp -g ^M
clock time: 1352913315.697024826 or Wed Nov 14 17:15:15 2012^M
root:/> ^[[
Case 5 ...PASS

Case 5 ...PASS
6nptp4l -i eth0 & ^M
[1] 404 ptp4l -i eth0^M
root:/> ^[[6ntail /var/log/messages0 [0x7f03000]: 0xb0000000 0x6a 0x4fff602 0x0^M
^M
1 [0x7f03020]: 0x0 0x0 0x0 0x0^M
^M
2 [0x7f03040]: 0x0 0x0 0x0 0x0^M
^M
3 [0x7f03060]: 0x0 0x0 0x0 0x0^M
...
249 [0x7f04f20]: 0x0 0x0 0x0 0x0^M
^M
250 [0x7f04f40]: 0x0 0x0 0x0 0x0^M
^M
251 [0x7f04f60]: 0x0 0x0 0x0 0x0^M
^M
252 [0x7f04f80]: 0x0 0x0 0x0 0x0^M
^M
253 [0x7f04fa0]: 0x0 0x0 0x0 0x0^M
^M
254 [0x7f04fc0]: 0x0 0x0 0x0 0x0^M
^M
255 [0x7f04fe0]: 0x200000 0x0 0x0 0x0^M
^M

Last passed time: 2014-11-19_15-01-17
User-dist commit 8f0de33b4a5f6ebb84036fb48469c9fc76d5a200
Kernel commit c20e68117513506679dc5a13724f72a06989fec3
Testsuites commit 2e329896ac56583b74b297207bc8453682076365