[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 #10 from Havoc Pennington <hp at pobox.com> 2010-08-24 13:21:13 PDT ---
Even more detail. It looks like there's one unflushed request, which was your
theory.

       PAINT: xcb_writev request 1217
       PAINT: first of 1 requests opcode 148 minor_opcode 142
       PAINT: START _xcb_out_send expected=1215 read=1215 completed=1214
out.request=1217 out.written=1216
       PAINT: _xcb_conn_wait expected=1215 read=1215 completed=1214
       PAINT: 133944 bytes buffered out
       PAINT: END   _xcb_out_send expected=1215 read=1215 completed=1214
out.request=1217 out.written=1217
       PAINT: _xcb_send_request expected=1215 read=1215 completed=1214
       PAINT: get_socket_back expected=1215 read=1215 completed=1214
       PAINT: _xcb_send_request assigned request=1218
       PAINT: EXPECTING X REPLY SEQ 1218
       PAINT: _xcb_send_request expected=1218 read=1215 completed=1214
       PAINT: get_socket_back expected=1218 read=1215 completed=1214
       PAINT: _xcb_send_request assigned request=1219
       PAINT: EXPECTING X REPLY SEQ 1219
       PAINT: _xcb_out_flush_to(1219) expected=1218 read=1215 completed=1214
       PAINT: START _xcb_out_send expected=1218 read=1215 completed=1214
out.request=1219 out.written=1217
       PAINT: _xcb_conn_wait expected=1218 read=1215 completed=1214
       PAINT: 216 bytes buffered out
       PAINT: END   _xcb_out_send expected=1218 read=1215 completed=1214
out.request=1219 out.written=1219
       PAINT: xcb_take_socket expected=1218 read=1215 completed=1214
       PAINT: get_socket_back expected=1218 read=1215 completed=1214
       PAINT: _xcb_out_flush_to(1219) expected=1218 read=1215 completed=1214
       PAINT: _xcb_send_request expected=1218 read=1215 completed=1214
       PAINT: get_socket_back expected=1218 read=1215 completed=1214
       PAINT: _xcb_send_request assigned request=1220
       PAINT: _xcb_wait_for_reply(1218) expected=1220 read=1215 completed=1214
       PAINT: _xcb_out_flush_to(1218) expected=1220 read=1215 completed=1214
       PAINT: _xcb_conn_wait expected=1220 read=1215 completed=1214
       PAINT: GOT X REPLY 1218
       PAINT: _xcb_request_check(1219) expected=1220 read=1218 completed=1217
       PAINT: _xcb_wait_for_reply(1219) expected=1220 read=1218 completed=1217
       PAINT: _xcb_out_flush_to(1219) expected=1220 read=1218 completed=1217
       PAINT: _xcb_conn_wait expected=1220 read=1218 completed=1217
       PAINT: _xcb_conn_wait expected=1220 read=1219 completed=1218
       PAINT: _xcb_conn_wait expected=1220 read=1219 completed=1218
       PAINT: _xcb_conn_wait expected=1220 read=1219 completed=1218
       PAINT: _xcb_conn_wait expected=1220 read=1219 completed=1218
       PAINT: _xcb_conn_wait expected=1220 read=1219 completed=1218
       PAINT: _xcb_conn_wait expected=1220 read=1219 completed=1218

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