[Xcb] [Bug 29599] hang in xcb_request_check() due to expecting a reply on void request

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=29599

--- Comment #12 from Havoc Pennington <hp at pobox.com> 2010-08-24 13:28:36 PDT ---
A log WITH the fix (still seems to be missing flush issue)

       PAINT: xcb_writev request 13972
       PAINT: first of 1 requests opcode 148 minor_opcode 142
       PAINT: START _xcb_out_send expected=13970 read=13970 completed=13969
out.request=13972 out.written=13971
       PAINT: _xcb_conn_wait expected=13970 read=13970 completed=13969
       PAINT: 0 bytes buffered out
       PAINT: END   _xcb_out_send expected=13970 read=13970 completed=13969
out.request=13972 out.written=13972
       PAINT: _xcb_send_request expected=13970 read=13970 completed=13969
       PAINT: get_socket_back expected=13970 read=13970 completed=13969
       PAINT: _xcb_send_request assigned request=13973
       PAINT: EXPECTING X REPLY SEQ 13973
       PAINT: _xcb_send_request expected=13973 read=13970 completed=13969
       PAINT: get_socket_back expected=13973 read=13970 completed=13969
       PAINT: _xcb_send_request assigned request=13974
       PAINT: EXPECTING X REPLY SEQ 13974
       PAINT: _xcb_out_flush_to(13974) expected=13973 read=13970
completed=13969
       PAINT: START _xcb_out_send expected=13973 read=13970 completed=13969
out.request=13974 out.written=13972
       PAINT: _xcb_conn_wait expected=13973 read=13970 completed=13969
       PAINT: 216 bytes buffered out
       PAINT: END   _xcb_out_send expected=13973 read=13970 completed=13969
out.request=13974 out.written=13974
       PAINT: xcb_take_socket expected=13973 read=13970 completed=13969
       PAINT: get_socket_back expected=13973 read=13970 completed=13969
       PAINT: _xcb_out_flush_to(13974) expected=13973 read=13970
completed=13969
       PAINT: _xcb_send_request expected=13973 read=13970 completed=13969
       PAINT: get_socket_back expected=13973 read=13970 completed=13969
       PAINT: _xcb_send_request assigned request=13975
       PAINT: _xcb_wait_for_reply(13973) expected=13975 read=13970
completed=13969
       PAINT: _xcb_out_flush_to(13973) expected=13975 read=13970
completed=13969
       PAINT: _xcb_conn_wait expected=13975 read=13970 completed=13969
       PAINT: GOT X REPLY 13973
       PAINT: _xcb_request_check(13974) expected=13975 read=13973
completed=13972
       PAINT: _xcb_wait_for_reply(13974) expected=13975 read=13973
completed=13972
       PAINT: _xcb_out_flush_to(13974) expected=13975 read=13973
completed=13972
       PAINT: _xcb_conn_wait expected=13975 read=13973 completed=13972
       PAINT: _xcb_conn_wait expected=13975 read=13974 completed=13973

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