[mythtv-commits] Ticket #12754: deadlock at startup with CEC enabled

[MythTV]

#12754: deadlock at startup with CEC enabled
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     Reporter:  bbaetz@…                    |      Owner:
         Type:  Bug Report - Hang/Deadlock  |     Status:  new
     Priority:  minor                       |  Milestone:  unknown
    Component:  MythTV - General            |    Version:  Unspecified
     Severity:  medium                      |   Keywords:  patch
Ticket locked:  0                           |
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 Configuring the TV at startup is done from the main thread. However, when
 the TV state changes as a result of this, libCEC sends a message to the
 callback handler on its own thread, which tries to get the UI lock to
 reset the screensaver state. This results in a deadlock because the main
 thread already has the UI lock during startup time.

 Instead, run the initial setup activity at the start of the CEC handler
 thread.

 This was missed in the patch applied for #11986 when I did a merge - I've
 been running this on my 0.27 system for > 1 year.

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Ticket URL: <https://code.mythtv.org/trac/ticket/12754>
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