[tor-relays] [OT] ExcludeNodes no longer working

[Steve Snyder]

On Tuesday, September 11, 2012 1:12pm, "Jacob Appelbaum" <jacob at appelbaum.net> said:
[snip]
> It seems that there are two issues - one is that a guard is failing to
> build circuits, the other is that you can't seem to exclude them. I have
> to admit, I'm more interested in the former... Is there a pattern to the
> failures?

I get those same messages occasionally.  The following are from last week (v0.2.3.20-rc), seen from a Los Angeles datacenter.  I haven't seen this rate of complaint before or since so I wrote it off as a fluke.

Sep 01 05:20:31.000 [notice] Low circuit success rate 3/21 for guard BramaH4=39A0907D409836D7F014364C5FF5AC1DA79E0289.
Sep 01 05:21:52.000 [notice] Low circuit success rate 6/21 for guard TORy2=F08F537D245A65D9C242359983718A19650A25F7.
Sep 01 05:25:36.000 [notice] Low circuit success rate 3/21 for guard GreenDragon=7ED90E2833EE38A75795BA9237B0A4560E51E1A0.
Sep 01 05:28:11.000 [notice] Low circuit success rate 7/21 for guard TORy2=F08F537D245A65D9C242359983718A19650A25F7.
Sep 01 05:28:12.000 [notice] Low circuit success rate 8/21 for guard WhiteDragon=5DEF69E67BAF2CF26D36B5AC2A925BB2EA376593.
Sep 01 05:28:14.000 [notice] Low circuit success rate 3/21 for guard fejkse=EE129A8040807A63741F28C2AD1814CDABC2AD13.
Sep 03 05:12:30.000 [notice] Low circuit success rate 4/21 for guard afo=E3F77CC99C4CB9F2E9F1531C6C5FBE8F49694F70.
Sep 04 12:31:25.000 [notice] Low circuit success rate 10/26 for guard DFRI1=A10C4F666D27364036B562823E5830BC448E046A.
Sep 04 13:24:51.000 [notice] Low circuit success rate 19/48 for guard TORy2=F08F537D245A65D9C242359983718A19650A25F7.
Sep 04 13:24:55.000 [notice] Low circuit success rate 71/182 for guard WhiteDragon=5DEF69E67BAF2CF26D36B5AC2A925BB2EA376593.
Sep 04 13:25:05.000 [notice] Low circuit success rate 29/74 for guard TORy2=F08F537D245A65D9C242359983718A19650A25F7.
Sep 04 13:25:35.000 [notice] Low circuit success rate 7/22 for guard KoenigEdmundI=896F7E93A1FD31FC4671A965CD0D663B0A11D350.
Sep 04 13:25:39.000 [notice] Low circuit success rate 13/33 for guard DFRI1=A10C4F666D27364036B562823E5830BC448E046A.
Sep 04 13:26:13.000 [notice] Low circuit success rate 7/34 for guard afo=E3F77CC99C4CB9F2E9F1531C6C5FBE8F49694F70.
Sep 04 13:28:11.000 [notice] Low circuit success rate 21/53 for guard PPrivCom053=674B191AD2F8325120D128E5447DBD99206784F0.
Sep 04 13:39:49.000 [notice] Low circuit success rate 22/56 for guard Ydia=6727D7751EDD5CF3254488A45330674D9FD0AFEC.
Sep 04 14:42:04.000 [notice] Low circuit success rate 22/56 for guard coinet=C863FB2A6109C9CE2993C8855BAC59583B15475B.
Sep 04 15:34:00.000 [notice] Low circuit success rate 28/71 for guard fejkse=EE129A8040807A63741F28C2AD1814CDABC2AD13.
Sep 04 16:30:07.000 [notice] Low circuit success rate 23/58 for guard GreenDragon=7ED90E2833EE38A75795BA9237B0A4560E51E1A0.
Sep 04 16:31:38.000 [notice] Low circuit success rate 9/23 for guard TorLand1=4E377F91D326552AAE818D5A17BC3EF79639C2CD.
Sep 04 16:54:26.000 [notice] Low circuit success rate 23/58 for guard GreenDragon=7ED90E2833EE38A75795BA9237B0A4560E51E1A0.
Sep 04 16:54:26.000 [notice] Low circuit success rate 28/76 for guard TORy2=F08F537D245A65D9C242359983718A19650A25F7.
Sep 04 16:55:08.000 [notice] Low circuit success rate 48/126 for guard KoenigEdmundI=896F7E93A1FD31FC4671A965CD0D663B0A11D350.
Sep 04 16:55:16.000 [notice] Low circuit success rate 27/86 for guard Ydia=6727D7751EDD5CF3254488A45330674D9FD0AFEC.
Sep 04 16:55:18.000 [notice] Low circuit success rate 16/50 for guard DFRI1=A10C4F666D27364036B562823E5830BC448E046A.
Sep 04 16:55:20.000 [notice] Low circuit success rate 26/69 for guard coinet=C863FB2A6109C9CE2993C8855BAC59583B15475B.
Sep 04 16:55:28.000 [notice] Low circuit success rate 34/86 for guard TORy2=F08F537D245A65D9C242359983718A19650A25F7.
Sep 04 16:58:29.000 [notice] Low circuit success rate 8/21 for guard WhiteDragon=5DEF69E67BAF2CF26D36B5AC2A925BB2EA376593.
Sep 04 17:01:27.000 [notice] Low circuit success rate 4/21 for guard normatalmadge=FA632D7758867661D4A88D95BFC56EF347A2D796.
Sep 04 17:09:40.000 [notice] Low circuit success rate 31/78 for guard fejkse=EE129A8040807A63741F28C2AD1814CDABC2AD13.
Sep 04 17:13:26.000 [notice] Low circuit success rate 10/26 for guard TorLand1=4E377F91D326552AAE818D5A17BC3EF79639C2CD.
Sep 04 18:27:04.000 [notice] Low circuit success rate 7/21 for guard psilotorlu=372D36900E37171A5E38653A2AF4AA5C1C51FF45.
Sep 04 18:51:46.000 [notice] Low circuit success rate 31/79 for guard fejkse=EE129A8040807A63741F28C2AD1814CDABC2AD13.
Sep 04 18:51:46.000 [notice] Low circuit success rate 32/93 for guard TORy2=F08F537D245A65D9C242359983718A19650A25F7.
Sep 04 18:51:47.000 [notice] Low circuit success rate 13/36 for guard WhiteDragon=5DEF69E67BAF2CF26D36B5AC2A925BB2EA376593.
Sep 04 18:51:47.000 [notice] Low circuit success rate 36/96 for guard TORy2=F08F537D245A65D9C242359983718A19650A25F7.
Sep 04 18:52:24.000 [notice] Low circuit success rate 30/79 for guard coinet=C863FB2A6109C9CE2993C8855BAC59583B15475B.
Sep 04 18:52:24.000 [notice] Low circuit success rate 52/142 for guard KoenigEdmundI=896F7E93A1FD31FC4671A965CD0D663B0A11D350.
Sep 04 18:52:25.000 [notice] Low circuit success rate 32/103 for guard Ydia=6727D7751EDD5CF3254488A45330674D9FD0AFEC.
Sep 04 18:52:25.000 [notice] Low circuit success rate 7/36 for guard normatalmadge=FA632D7758867661D4A88D95BFC56EF347A2D796.
Sep 04 18:52:26.000 [notice] Low circuit success rate 10/28 for guard TorLand1=4E377F91D326552AAE818D5A17BC3EF79639C2CD.
Sep 04 18:52:27.000 [notice] Low circuit success rate 20/63 for guard DFRI1=A10C4F666D27364036B562823E5830BC448E046A.
Sep 04 18:52:27.000 [notice] Low circuit success rate 8/22 for guard psilotorlu=372D36900E37171A5E38653A2AF4AA5C1C51FF45.
Sep 04 18:52:28.000 [notice] Low circuit success rate 9/47 for guard afo=E3F77CC99C4CB9F2E9F1531C6C5FBE8F49694F70.