id summary reporter owner description type status priority milestone component version severity resolution keywords cc mlocked 9485 Backend deadlock in MainServer Mike Rice danielk "My wife seems to have found a way to hang the backend. I wasn't there but looking at the logs it appears she tried to play a recording where the file was missing. Am using: From the frontend log: {{{ 2011-01-16 16:09:55.200 PlaybackBoxHelper Error: CHECK_AVAILABILITY 'myth://192.168.1.26:6543/5738_20091122115900.mpg' file not found 2011-01-16 16:09:55.200 MythSocket(ffffffffb1f9c478:43): write -> 43 123 MESSAGE[]:[]SYSTEM_EVENT PLAY_STARTED HOSTNAME mythfrontend2 CHANID 5738 STARTTIME 2009-11-22T11:59:00 SENDER mythfrontend2 2011-01-16 16:09:55.326 MythSocket(ffffffffb1f9c478:43): read <- 43 2 OK 2011-01-16 16:09:55.379 MythSocket(ffffffffb1f9c478:43): write -> 43 60 MESSAGE[]:[]MASTER_UPDATE_PROG_INFO 5738 2009-11-22T11:59:00 2011-01-16 16:09:55.569 MythSocket(ffffffffb1f9c478:43): read <- 43 2 OK }}} After a bit it gives up but it cannot re-connect to the backend: {{{ 2011-01-16 16:10:27.634 MythSocket(b5ecad0:56): readStringList: Error, timed out after 7000 ms. 2011-01-16 16:10:27.634 Remote file timeout. 2011-01-16 16:10:28.276 MythSocket(ffffffffb1f9c478:43): read <- 43 6 0[]:[] 2011-01-16 16:10:28.277 PlaybackBoxHelper Error: CHECK_AVAILABILITY 'myth://192.168.1.26:6543/5738_20091122115900.mpg' file not found 2011-01-16 16:10:28.277 MythSocket(ffffffffb1f9c478:43): write -> 43 123 MESSAGE[]:[]SYSTEM_EVENT PLAY_STOPPED HOSTNAME mythfrontend2 CHANID 5738 STARTTIME 2009-11-22T11:59:00 SENDER mythfrontend2 2011-01-16 16:10:58.281 MythSocket(ffffffffb1f9c478:43): readStringList: Error, timed out after 30000 ms. 2011-01-16 16:10:58.281 Connection to backend server lost 2011-01-16 16:10:58.281 MythSocket(ad035c0:39): write -> 39 30 MYTH_PROTO_VERSION 63 3875641D 2011-01-16 16:11:05.285 MythSocket(ad035c0:39): readStringList: Error, timed out after 7000 ms. 2011-01-16 16:11:05.285 Protocol version check failure. 2011-01-16 16:11:05.285 Reconnection to backend server failed }}} I will attach the frontend and backend logs along with the stack trace for the backend when it was in this state. If this only happens when trying to play a missing recording it is probably not a big deal since that is probably an anomaly. But I don't know if that's the case." Bug Report - Hang/Deadlock closed blocker 0.25 MythTV - General 0.24-fixes medium Fixed 0