I just checked and indeed on the Sky Sports there are multiple freezes. Example, Sky Sports 2 HD - SID 3881 (not dummy SID)
2012/03/17 10:28:24 1827 2E5FF4B0 c dvbapi: [ADD PID 0] CAID: 0960 ECM_PID: 0500 PROVID: 000000
2012/03/17 10:28:24 1827 2E5FF4B0 c dvbapi: [ADD PID 1] CAID: 0961 ECM_PID: 0500 PROVID: 000000
2012/03/17 10:28:24 1827 2E5FF4B0 c dvbapi: [ADD PID 2] CAID: 0963 ECM_PID: 0500 PROVID: 000000
2012/03/17 10:28:24 1827 2E5FF4B0 c dvbapi: new program number: 0F29 (0960:0F29 unknown)
2012/03/17 10:28:29 1827 2E5FF4B0 c dvbapi: Start descrambling PID #2 (CAID: 0963) 1
2012/03/17 10:28:29 1827 2E5FF4B0 c anonymous (0963&000000/0F29/0500/0000/6A:127B/00-25): found (1159 ms) by skyuk_server1cc
2012/03/17 10:28:29 1827 2E5FF4B0 c anonymous (0963&000000/0F29/0500/0000/6A:9705/00-00): timeout (5252 ms) by skyuk_server1cc
2012/03/17 10:28:42 1827 2E5FF4B0 c anonymous (0963&000000/0F29/0500/0000/6A:D1B5/00-00): timeout (5006 ms) by skyuk_server1cc
2012/03/17 10:28:46 1827 2E5FF4B0 c anonymous (0963&000000/0F29/0500/0000/6A:AF2D/00-C1): found (122 ms) by skyuk_server1cc
2012/03/17 10:28:54 1827 2E5FF4B0 c anonymous (0963&000000/0F29/0500/0000/6A:8670/F9-00): found (224 ms) by skyuk_server1cc
2012/03/17 10:29:02 1827 2E5FF4B0 c anonymous (0963&000000/0F29/0500/0000/6A:84A8/00-36): found (177 ms) by skyuk_server1cc
2012/03/17 10:29:15 1827 2E5FF4B0 c anonymous (0963&000000/0F29/0500/0000/6A:F3EB/00-00): timeout (5006 ms) by skyuk_server1cc
2012/03/17 10:29:18 1827 2E5FF4B0 c anonymous (0963&000000/0F29/0500/0000/6A:3FC8/00-D3): found (130 ms) by skyuk_server1cc
2012/03/17 10:29:31 1827 2E5FF4B0 c anonymous (0963&000000/0F29/0500/0000/6A:BAD2/00-00): timeout (5003 ms) by skyuk_server1cc
2012/03/17 10:29:35 1827 2E5FF4B0 c loadbalancer: statistic saved 150 records to /hdd/oscam.stat
2012/03/17 10:29:35 1827 2E5FF4B0 c anonymous (0963&000000/0F29/0500/0000/6A:E059/00-08): found (158 ms) by skyuk_server1cc
2012/03/17 10:29:47 1827 2E5FF4B0 c anonymous (0963&000000/0F29/0500/0000/6A:96C3/00-00): timeout (5004 ms) by skyuk_server1cc
2012/03/17 10:29:50 1827 2E5FF4B0 c anonymous (0963&000000/0F29/0500/0000/6A:0D16/00-16): found (184 ms) by skyuk_server1cc
2012/03/17 10:30:02 1827 2E5FF4B0 c anonymous (0963&000000/0F29/0500/0000/6A:D36A/00-00): timeout (5005 ms) by skyuk_server1cc
2012/03/17 10:30:06 1827 2E5FF4B0 c anonymous (0963&000000/0F29/0500/0000/6A:A57F/00-88): found (169 ms) by skyuk_server1cc
2012/03/17 10:30:19 1827 2E5FF4B0 c anonymous (0963&000000/0F29/0500/0000/6A:DBB4/00-00): timeout (5006 ms) by skyuk_server1cc
2012/03/17 10:30:23 1827 2E5FF4B0 c anonymous (0963&000000/0F29/0500/0000/6A:5A56/00-EB): found (128 ms) by skyuk_server1cc
2012/03/17 10:30:30 1827 2E5FF4B0 c anonymous (0963&000000/0F29/0500/0000/6A:5620/2E-00): found (129 ms) by skyuk_server1cc
2012/03/17 10:30:38 1827 2E5FF4B0 c anonymous (0963&000000/0F29/0500/0000/6A:814E/00-34): found (133 ms) by skyuk_server1cc
2012/03/17 10:30:51 1827 2E5FF4B0 c anonymous (0963&000000/0F29/0500/0000/6A:93EF/00-00): timeout (5004 ms) by skyuk_server1cc
Same story for Sky Sports 1 HD