Error at /var/www/html/mythweb/includes/mythbackend.php, line 169:
Unexpected response to MYTH_PROTO_VERSION 'MYTH_PROTO_VERSION 40':

Fatal Error at /var/www/html/mythweb/includes/mythbackend.php, line 39:
Unable to connect to mythbackend, is it running?

If you choose to submit a bug report, please make sure to include a
brief description of what you were doing, along with the following
backtrace as an attachment (please don't paste the whole thing into
the ticket).
Backtrace:

    datetime:  2008-04-20 18:57:34 (CEST)
    errornum:  256
  error type:  User Error
error string:  Unable to connect to mythbackend, is it running?

    filename:  /var/www/html/mythweb/includes/mythbackend.php
  error line:  39

==========================================================================

Backtrace: 

    file:  /var/www/html/mythweb/includes/mythbackend.php
    line:  39
   class:  
function:  trigger_error
    type:  
    args:  Array
(
    [0] => Unable to connect to mythbackend, is it running?

    [1] => 256
)

    file:  /var/www/html/mythweb/includes/init.php
    line:  54
   class:  
function:  require_once
    type:  
    args:  Array
(
    [0] => /var/www/html/mythweb/includes/mythbackend.php
)

    file:  /var/www/html/mythweb/mythweb.php
    line:  20
   class:  
function:  require_once
    type:  
    args:  Array
(
    [0] => /var/www/html/mythweb/includes/init.php
)


==========================================================================

$_SESSION: Array
(
    [language] => English
    [tmpl] => default
    [skin] => default
    [prefer_channum] => 1
    [date_statusbar] => %a %b %e, %Y, %I:%M %p
    [date_scheduled] => %a %b %e, %Y (%I:%M %p)
    [date_scheduled_popup] => %a %b %e, %Y
    [date_recorded] => %a %b %e, %Y (%I:%M %p)
    [date_search] => %a %b %e, %Y, %I:%M %p
    [date_listing_key] => %a %b %e, %Y, %I:%M %p
    [date_listing_jump] => %a %b %e, %Y
    [date_channel_jump] => %a %b %e, %Y
    [date_job_status] => %a %b %e, %Y, %I:%M %p
    [time_format] => %H:%M
    [recorded_pixmaps] => 1
    [guide_favonly] => 
    [timeslot_size] => 300
    [num_time_slots] => 36
    [timeslot_blocks] => 3
    [timeslotbar_skip] => 20
    [max_stars] => 4
    [star_character] => ♦
    [show_popup_info] => 1
    [show_channel_icons] => 1
    [sortby_channum] => 1
    [show_video_covers] => 1
    [tv] => Array
        (
            [last] => Array
                (
                    [0] => detail
                    [1] => 3
                    [2] => 1208710740
                )

            [show_advanced_schedule] => 1
        )

    [schedules_sortby] => Array
        (
            [0] => Array
                (
                    [field] => airdate
                    [reverse] => 
                )

            [1] => Array
                (
                    [field] => title
                    [reverse] => 
                )

        )

    [recorded_title] => 
    [recorded_recgroup] => 
    [recorded_sortby] => Array
        (
            [0] => Array
                (
                    [field] => airdate
                    [reverse] => 1
                )

            [1] => Array
                (
                    [field] => title
                    [reverse] => 
                )

        )

    [] => Array ( )
    [search] => Array
        (
            [s] => canned:All HDTV
            [type] => q
            [ctype] => Array
                (
                    [0] => 
                    [1] => movie
                    [2] => sports
                )

            [stars_gt] => 0
            [stars_lt] => 1
            [starttime] => now
            [endtime] => + 2 weeks
            [as] => Array
                (
                    [0] => 
                )

            [af] => Array
                (
                    [0] => Array
                        (
                            [0] => title
                        )

                )

            [aj] => Array
                (
                    [0] => AND
                )

            [hd] => 
            [commfree] => 
            [airdate_start] => 
            [airdate_end] => 
        )

    [search_sortby] => Array
        (
            [0] => Array
                (
                    [field] => airdate
                    [reverse] => 
                )

            [1] => Array
                (
                    [field] => title
                    [reverse] => 
                )

        )

    [list_time] => 1208694600
    [recording_details] => Array
        (
            [show_Conflict] => 1
            [show_PreviousRecording] => 1
            [show_EarlierShowing] => 1
            [show_CurrentRecording] => 1
            [show_WillRecord] => 1
        )

    [settings] => Array
        (
            [last] => Array
                (
                    [0] => database
                    [1] => settings
                )

            [host] => recorder
        )

    [file_url_override] => 
    [scheduled_recordings] => Array
        (
            [disp_scheduled] => 1
            [disp_duplicates] => 
            [disp_deactivated] => 
            [disp_conflicts] => 1
        )

    [scheduled_sortby] => Array
        (
            [0] => Array
                (
                    [field] => airdate
                    [reverse] => 
                )

            [1] => Array
                (
                    [field] => title
                    [reverse] => 
                )

        )

)

==========================================================================

$_SERVER: Array
(
    [REDIRECT_STATUS] => 200
    [HTTP_HOST] => recorder
    [HTTP_USER_AGENT] => Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.8.1.13) Gecko/20080325 Fedora/2.0.0.13-1.fc8 Firefox/2.0.0.13
    [HTTP_ACCEPT] => text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5
    [HTTP_ACCEPT_LANGUAGE] => en-us,en;q=0.7,nl;q=0.3
    [HTTP_ACCEPT_ENCODING] => gzip,deflate
    [HTTP_ACCEPT_CHARSET] => ISO-8859-1,utf-8;q=0.7,*;q=0.7
    [HTTP_KEEP_ALIVE] => 300
    [HTTP_CONNECTION] => keep-alive
    [HTTP_REFERER] => http://recorder/mythweb/tv/detail/3/1208710740
    [HTTP_COOKIE] => mythweb_id=gn8eedvhp12gdhjc6qbtgf17n3; PHPSESSID=c3hdpscqnn9v6jnuq37gsitul7
    [PATH] => /sbin:/usr/sbin:/bin:/usr/bin
    [SERVER_SIGNATURE] => <address>Apache/2.2.8 (Fedora) Server at recorder Port 80</address>

    [SERVER_SOFTWARE] => Apache/2.2.8 (Fedora)
    [SERVER_NAME] => recorder
    [SERVER_ADDR] => 192.168.10.99
    [SERVER_PORT] => 80
    [REMOTE_ADDR] => 192.168.10.70
    [DOCUMENT_ROOT] => /var/www/html
    [SERVER_ADMIN] => root@localhost
    [SCRIPT_FILENAME] => /var/www/html/mythweb/mythweb.php
    [REMOTE_PORT] => 48617
    [REDIRECT_URL] => /mythweb/status
    [GATEWAY_INTERFACE] => CGI/1.1
    [SERVER_PROTOCOL] => HTTP/1.1
    [REQUEST_METHOD] => GET
    [QUERY_STRING] => 
    [REQUEST_URI] => /mythweb/status
    [SCRIPT_NAME] => /mythweb/mythweb.php
    [PATH_INFO] => /status
    [PATH_TRANSLATED] => /var/www/html/status
    [PHP_SELF] => /mythweb/mythweb.php/status
    [REQUEST_TIME] => 1208710614
    [STATUS] => 200
    [URL] => /mythweb/status
)



some mythbackend log until it stopped responding:

2008-04-20 17:23:29.899 TVRec(5): ASK_RECORDING 5 29 0 0
2008-04-20 17:23:29.926 TVRec(9): ASK_RECORDING 9 29 0 0
2008-04-20 17:23:30.025 TVRec(6): ASK_RECORDING 6 29 0 0
2008-04-20 17:23:30.425 TVRec(7): ASK_RECORDING 7 29 0 0
2008-04-20 17:23:30.611 TVRec(8): ASK_RECORDING 8 29 0 0
2008-04-20 17:24:02.404 TVRec(7): Changing from None to RecordingOnly
2008-04-20 17:24:02.417 TVRec(7): HW Tuner: 7->7
2008-04-20 17:24:02.516 AutoExpire: CalcParams(): Max required Free Space: 7.0
GB w/freq: 5 min
2008-04-20 17:24:02.524 Started recording: NOS UEFA Champions League Magazine:
channel 1 on cardid 7, sourceid 1
2008-04-20 17:30:55.174 AutoExpire: CalcParams(): Max required Free Space: 7.0
GB w/freq: 5 min
2008-04-20 17:35:55.764 AutoExpire: CalcParams(): Max required Free Space: 7.0
GB w/freq: 5 min
2008-04-20 17:40:56.368 AutoExpire: CalcParams(): Max required Free Space: 7.0
GB w/freq: 5 min
2008-04-20 17:45:30.758 Reschedule requested for id 0.
2008-04-20 17:45:56.962 AutoExpire: CalcParams(): Max required Free Space: 7.0
GB w/freq: 5 min
2008-04-20 17:47:06.483 Scheduled 950 items in 95.7 = 0.00 match + 95.71 place
2008-04-20 17:47:06.504 Reschedule requested for id 0.
2008-04-20 17:48:44.591 Scheduled 950 items in 98.1 = 0.00 match + 98.08 place
2008-04-20 17:48:44.773 TVRec(7): ASK_RECORDING 7 14 0 0
2008-04-20 17:48:44.776 TVRec(7): ASK_RECORDING 7 14 0 0
2008-04-20 17:48:44.905 TVRec(8): ASK_RECORDING 8 14 0 0
2008-04-20 17:48:44.908 TVRec(8): ASK_RECORDING 8 14 0 0
2008-04-20 17:48:45.369 TVRec(9): ASK_RECORDING 9 14 0 0
2008-04-20 17:48:45.372 TVRec(9): ASK_RECORDING 9 14 0 0
2008-04-20 17:48:45.370 TVRec(5): ASK_RECORDING 5 14 0 0
2008-04-20 17:48:45.384 TVRec(5): ASK_RECORDING 5 14 0 0
2008-04-20 17:48:45.369 TVRec(6): ASK_RECORDING 6 14 0 0
2008-04-20 17:48:45.392 TVRec(6): ASK_RECORDING 6 14 0 0
2008-04-20 17:49:03.218 TVRec(8): Changing from None to RecordingOnly
2008-04-20 17:49:03.233 TVRec(8): HW Tuner: 8->8
2008-04-20 17:49:03.294 New DB connection, total: 4
2008-04-20 17:49:03.298 Connected to database 'mythconverg' at host: localhost
2008-04-20 17:53:30.463 TVRec(6): Changing from RecordingOnly to None
2008-04-20 17:53:30.533 Finished recording De kunst: channel 2
2008-04-20 17:53:30.833 TVRec(7): Changing from RecordingOnly to None
2008-04-20 17:53:30.881 Finished recording NOS UEFA Champions League Magazine:
channel 1
2008-04-20 18:03:30.461 TVRec(8): Changing from RecordingOnly to None
2008-04-20 18:03:30.480 Finished recording PvdA: channel 1
2008-04-20 18:18:30.810 TVRec(9): Changing from RecordingOnly to None
2008-04-20 18:18:30.907 Finished recording Weekoverzicht SpangaS: channel 3