Since upgrading to SL, Safari has been hanging (beachball cursor) all the time, causing the whole system to run painfully slow. Console shows the following (extract). Any ideas?
2009-08-29 12:05:11 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 12:10:05 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 12:10:18 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 12:12:47 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 12:14:23 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 12:15:31 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 12:15:45 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 12:32:03 UserEventAgent[111] **** ERROR: SCNetworkSignatureCopyActiveIdentifiers returned nil
2009-08-29 12:32:13 [0x0-0xff0ff].SoftwareUpdateCheck[1363] SoftwareUpdateCheck: network unreachable
2009-08-29 12:32:13 com.apple.launchd[1] (com.apple.suhelperd[1364]) Exited with exit code: 2
2009-08-29 12:32:13 com.apple.launchd.peruser.501[89] ([0x0-0xff0ff].SoftwareUpdateCheck[1363]) Exited with exit code: 3
2009-08-29 12:58:27 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 12:58:35 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 12:58:55 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 12:59:03 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 13:01:06 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 13:01:22 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 13:03:02 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 13:04:07 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 13:08:38 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 13:16:08 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 13:17:17 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 13:34:20 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 13:34:54 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 13:36:50 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 13:41:15 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 13:42:19 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 13:49:12 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 13:49:39 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 12:05:11 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 12:10:05 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 12:10:18 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 12:12:47 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 12:14:23 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 12:15:31 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 12:15:45 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 12:32:03 UserEventAgent[111] **** ERROR: SCNetworkSignatureCopyActiveIdentifiers returned nil
2009-08-29 12:32:13 [0x0-0xff0ff].SoftwareUpdateCheck[1363] SoftwareUpdateCheck: network unreachable
2009-08-29 12:32:13 com.apple.launchd[1] (com.apple.suhelperd[1364]) Exited with exit code: 2
2009-08-29 12:32:13 com.apple.launchd.peruser.501[89] ([0x0-0xff0ff].SoftwareUpdateCheck[1363]) Exited with exit code: 3
2009-08-29 12:58:27 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 12:58:35 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 12:58:55 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 12:59:03 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 13:01:06 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 13:01:22 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 13:03:02 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 13:04:07 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 13:08:38 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 13:16:08 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 13:17:17 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 13:34:20 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 13:34:54 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 13:36:50 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 13:41:15 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 13:42:19 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 13:49:12 com.apple.WebKit.PluginAgent[1241] Debugger() was called!
2009-08-29 13:49:39 com.apple.WebKit.PluginAgent[1241] Debugger() was called!