Sometimes, my character will freeze in place and stop responding to input when every other aspect of the game works fine. Below is the log from the most recent time this has happened.

2013/09/15 13:57:23:736 INFO J$a.b: Logging to 'C:\Program Files (x86)\Steam\steamapps\common\Spiral Knights\.\projectx.log'.
2013/09/15 13:57:32:233 INFO J$a.b: Steam initialized.
2013/09/15 13:57:35:715 INFO J$a.b: Connecting [host=game.spiralknights.com/184.73.171.119, port=47624]
2013/09/15 13:57:35:744 INFO DefaultControllerEnvironment.getControllers: Loading: net.java.games.input.DirectAndRawInputEnvironmentPlugin
2013/09/15 13:57:35:900 INFO J$a.b: IME created [Thread=18]
2013/09/15 13:57:36:539 INFO J$a.b: Datagram connection established [port=47624]
2013/09/15 13:57:46:209 INFO J$a.b: Moving at request of server [zoneId=83886080, sceneId=2147483647]
2013/09/15 13:57:46:271 INFO J$a.b: Issuing zoned moveTo(5:0, 2147483647, 1).
2013/09/15 13:57:53:473 WARNING J$a.b: Long invoker unit [unit=News Reader (class com.threerings.projectx.client.cu), time=535ms].
2013/09/15 13:58:28:306 INFO J$a.b: Connecting [host=/54.242.168.74, port=47627]
2013/09/15 13:58:28:786 INFO J$a.b: Datagram connection established [port=47627]
2013/09/15 13:58:29:162 INFO J$a.b: Issuing zoned moveTo(2:346, 351, 64).
2013/09/15 13:58:29:464 INFO J$a.b: Updating outgoing message throttle [msgsPerSec=45]
2013/09/15 13:59:32:290 INFO J$a.b: Moving at request of server [zoneId=33554432, sceneId=1073741845]
2013/09/15 13:59:32:294 INFO J$a.b: Issuing zoned moveTo(2:0, 1073741845, 0).
2013/09/15 13:59:32:647 INFO J$a.b: Updating outgoing message throttle [msgsPerSec=45]
2013/09/15 13:59:32:860 INFO J$a.b: Got updated scene model [placeId=473, config=[type=data.LevelSceneConfig, aAi=null, aAj=true], scene=1073741845/%dungeon:m.lichenous_lair_poison_sewer_stash/1]
2013/09/15 14:09:27:719 INFO J$a.b: Moving at request of server [sceneId=1073741851]
2013/09/15 14:09:27:737 INFO J$a.b: Issuing moveTo(1073741851, 0).
2013/09/15 14:09:28:084 INFO J$a.b: Updating outgoing message throttle [msgsPerSec=45]
2013/09/15 14:09:28:404 INFO J$a.b: Got updated scene model [placeId=502, config=[type=data.LevelSceneConfig, aAi=null, aAj=true], scene=1073741851/%dungeon:m.ww_construct_sewer_stash/1]
2013/09/15 14:01:08:541 WARNING J$a.b: Someone call Einstein! The clock is running backwards [dt=-546356]
2013/09/15 14:01:08:544 WARNING J$a.b: Frame index went negative! [anim=null, fidx=-10632, accum=-0.5644531, elapsed=-546.354, frames=-10653]
2013/09/15 14:01:08:545 WARNING J$a.b: Frame index went negative! [anim=use_inventory_loop, fidx=-8156, accum=-0.40527344, elapsed=-546.354, frames=-8194]
2013/09/15 14:02:11:196 INFO ControllerEnvironment.log: Failed to poll device: Failed to get device state (8007001e)

2013/09/15 14:02:11:216 INFO ControllerEnvironment.log: Failed to poll device: Failed to poll device (8007000c)

2013/09/15 14:02:13:065 INFO af.isLoggable: Previous message repeated 100 times.
2013/09/15 14:02:13:065 INFO ControllerEnvironment.log: Failed to poll device: Failed to poll device (8007000c)

2013/09/15 14:02:14:492 INFO af.isLoggable: Previous message repeated 100 times.
2013/09/15 14:02:14:492 INFO ControllerEnvironment.log: Failed to poll device: Failed to poll device (8007000c)

2013/09/15 14:02:16:334 INFO af.isLoggable: Previous message repeated 100 times.
2013/09/15 14:02:16:334 INFO ControllerEnvironment.log: Failed to poll device: Failed to poll device (8007000c)

2013/09/15 14:02:17:897 INFO af.isLoggable: Previous message repeated 100 times.
2013/09/15 14:02:17:897 INFO ControllerEnvironment.log: Failed to poll device: Failed to poll device (8007000c)

2013/09/15 14:02:19:447 INFO af.isLoggable: Previous message repeated 100 times.
2013/09/15 14:02:19:447 INFO ControllerEnvironment.log: Failed to poll device: Failed to poll device (8007000c)

2013/09/15 14:02:21:025 INFO af.isLoggable: Previous message repeated 100 times.
2013/09/15 14:02:21:025 INFO ControllerEnvironment.log: Failed to poll device: Failed to poll device (8007000c)

2013/09/15 14:02:22:529 INFO af.isLoggable: Previous message repeated 93 times.
2013/09/15 14:02:22:529 INFO J$a.b: Submitting bug report 'Stuck in place, no input response'.
2013/09/15 14:02:22:546 INFO ControllerEnvironment.log: Failed to poll device: Failed to poll device (8007000c)

2013/09/15 14:02:22:546 WARNING J$a.b: Bug submission failed.
java.net.UnknownHostException: bugs.spiralknights.com
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:195)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at java.net.Socket.connect(Socket.java:529)
at java.net.Socket.connect(Socket.java:478)
at sun.net.NetworkClient.doConnect(NetworkClient.java:163)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:394)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:529)
at sun.net.www.http.HttpClient.(HttpClient.java:233)
at sun.net.www.http.HttpClient.New(HttpClient.java:306)
at sun.net.www.http.HttpClient.New(HttpClient.java:323)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:970)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:911)
at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:836)
at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1014)
at com.threerings.hemiptera.a.c.run(SourceFile:49)
2013/09/15 14:02:22:561 INFO ControllerEnvironment.log: Failed to poll device: Failed to poll device (8007000c)

2013/09/15 14:02:24:051 INFO af.isLoggable: Previous message repeated 100 times.
2013/09/15 14:02:24:051 INFO ControllerEnvironment.log: Failed to poll device: Failed to poll device (8007000c)

2013/09/15 14:02:25:654 INFO af.isLoggable: Previous message repeated 100 times.
2013/09/15 14:02:25:654 INFO ControllerEnvironment.log: Failed to poll device: Failed to poll device (8007000c)

2013/09/15 14:02:27:280 INFO af.isLoggable: Previous message repeated 100 times.
2013/09/15 14:02:27:280 INFO ControllerEnvironment.log: Failed to poll device: Failed to poll device (8007000c)

2013/09/15 14:02:29:031 INFO af.isLoggable: Previous message repeated 100 times.
2013/09/15 14:02:29:031 INFO ControllerEnvironment.log: Failed to poll device: Failed to poll device (8007000c)

2013/09/15 14:02:30:702 INFO af.isLoggable: Previous message repeated 100 times.
2013/09/15 14:02:30:702 INFO ControllerEnvironment.log: Failed to poll device: Failed to poll device (8007000c)

2013/09/15 14:02:32:457 INFO af.isLoggable: Previous message repeated 100 times.
2013/09/15 14:02:32:457 INFO ControllerEnvironment.log: Failed to poll device: Failed to poll device (8007000c)

2013/09/15 14:02:32:527 INFO af.isLoggable: Previous message repeated 4 times.
2013/09/15 14:02:32:527 INFO J$a.b: Submitting bug report 'Stuck in place, no input response'.
2013/09/15 14:02:32:542 INFO ControllerEnvironment.log: Failed to poll device: Failed to poll device (8007000c)

2013/09/15 14:02:32:542 WARNING J$a.b: Bug submission failed.
java.net.UnknownHostException: bugs.spiralknights.com
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:195)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at java.net.Socket.connect(Socket.java:529)
at java.net.Socket.connect(Socket.java:478)
at sun.net.NetworkClient.doConnect(NetworkClient.java:163)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:394)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:529)
at sun.net.www.http.HttpClient.(HttpClient.java:233)
at sun.net.www.http.HttpClient.New(HttpClient.java:306)
at sun.net.www.http.HttpClient.New(HttpClient.java:323)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:970)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:911)
at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:836)
at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1014)
at com.threerings.hemiptera.a.c.run(SourceFile:49)
2013/09/15 14:02:32:558 INFO ControllerEnvironment.log: Failed to poll device: Failed to poll device (8007000c)

2013/09/15 14:02:34:085 INFO af.isLoggable: Previous message repeated 100 times.
2013/09/15 14:02:34:085 INFO ControllerEnvironment.log: Failed to poll device: Failed to poll device (8007000c)

2013/09/15 14:02:35:753 INFO af.isLoggable: Previous message repeated 100 times.
2013/09/15 14:02:35:753 INFO ControllerEnvironment.log: Failed to poll device: Failed to poll device (8007000c)

2013/09/15 14:02:36:025 INFO af.isLoggable: Previous message repeated 17 times.
2013/09/15 14:02:36:025 INFO J$a.b: Moving at request of server [zoneId=16777217, sceneId=1]
2013/09/15 14:02:36:047 INFO ControllerEnvironment.log: Failed to poll device: Failed to poll device (8007000c)

2013/09/15 14:02:38:202 INFO af.isLoggable: Previous message repeated 59 times.
2013/09/15 14:02:38:202 INFO J$a.b: Issuing zoned moveTo(1:1, 1, 182).
2013/09/15 14:02:38:204 INFO ControllerEnvironment.log: Failed to poll device: Failed to poll device (8007000c)

2013/09/15 14:02:38:330 INFO af.isLoggable: Previous message repeated 100 times.
2013/09/15 14:02:38:330 INFO ControllerEnvironment.log: Failed to poll device: Failed to poll device (8007000c)

2013/09/15 14:02:38:367 INFO af.isLoggable: Previous message repeated 27 times.
2013/09/15 14:02:38:367 INFO J$a.b: Connecting [host=/184.73.192.155, port=47627]
2013/09/15 14:02:38:369 INFO ControllerEnvironment.log: Failed to poll device: Failed to poll device (8007000c)

2013/09/15 14:02:38:494 INFO af.isLoggable: Previous message repeated 100 times.
2013/09/15 14:02:38:494 INFO ControllerEnvironment.log: Failed to poll device: Failed to poll device (8007000c)

2013/09/15 14:02:38:622 INFO af.isLoggable: Previous message repeated 100 times.
2013/09/15 14:02:38:622 INFO ControllerEnvironment.log: Failed to poll device: Failed to poll device (8007000c)

2013/09/15 14:02:38:673 INFO af.isLoggable: Previous message repeated 40 times.
2013/09/15 14:02:38:673 INFO J$a.b: Datagram connection established [port=47627]
2013/09/15 14:02:38:674 INFO ControllerEnvironment.log: Failed to poll device: Failed to poll device (8007000c)

2013/09/15 14:02:39:222 INFO af.isLoggable: Previous message repeated 91 times.
2013/09/15 14:02:39:222 INFO J$a.b: Issuing zoned moveTo(1:1, 1, 182).
2013/09/15 14:02:39:223 INFO ControllerEnvironment.log: Failed to poll device: Failed to poll device (8007000c)

2013/09/15 14:02:39:249 INFO af.isLoggable: Previous message repeated 22 times.
2013/09/15 14:02:39:249 INFO J$a.b: Updating outgoing message throttle [msgsPerSec=15]
2013/09/15 14:02:39:251 INFO ControllerEnvironment.log: Failed to poll device: Failed to poll device (8007000c)

2013/09/15 14:02:53:256 INFO af.isLoggable: Previous message repeated 100 times.
2013/09/15 14:02:53:256 INFO ControllerEnvironment.log: Failed to poll device: Failed to poll device (8007000c)

2013/09/15 14:03:16:144 INFO af.isLoggable: Previous message repeated 100 times.
2013/09/15 14:03:16:144 INFO ControllerEnvironment.log: Failed to poll device: Failed to poll device (8007000c)

2013/09/15 14:03:21:179 INFO af.isLoggable: Previous message repeated 55 times.
2013/09/15 14:03:21:179 WARNING J$a.b: Attachment not supported. [point=%ROOT%, model=com.threerings.opengl.model.h@1e95e6e]
2013/09/15 14:03:21:495 INFO ControllerEnvironment.log: Failed to poll device: Failed to poll device (8007000c)

2013/09/15 14:03:23:627 INFO af.isLoggable: Previous message repeated 18 times.
2013/09/15 14:03:23:627 WARNING J$a.b: Attachment not supported. [point=%ROOT%, model=com.threerings.opengl.model.h@1ac13bc]
2013/09/15 14:03:23:731 INFO ControllerEnvironment.log: Failed to poll device: Failed to poll device (8007000c)

2013/09/15 14:03:31:480 INFO af.isLoggable: Previous message repeated 100 times.
2013/09/15 14:03:31:480 INFO ControllerEnvironment.log: Failed to poll device: Failed to poll device (8007000c)