<p>I have the same problem. Some tiles do not rendering:</p>
<pre><code>ноя 20 10:37:32 tileserver renderd[21001]: DEBUG: START TILE default 7 72-79 32-39, new metatile
ноя 20 10:37:32 tileserver renderd[21001]: Rendering projected coordinates 7 72 32 -> 2504688.542850|7514065.628550 5009377.085700|10018754.171400 to a 8 x 8 tile
ноя 20 10:37:32 tileserver renderd[21001]: DEBUG: Got incoming connection, fd 9, number 2
ноя 20 10:37:32 tileserver renderd[21001]: DEBUG: Got incoming connection, fd 10, number 3
ноя 20 10:37:32 tileserver renderd[21001]: DEBUG: Got incoming request with protocol version 2
ноя 20 10:37:32 tileserver renderd[21001]: DEBUG: Got command RenderPrio fd(9) xml(default), z(7), x(74), y(39), mime(image/png), options()
ноя 20 10:37:32 tileserver renderd[21001]: DEBUG: Got incoming request with protocol version 2
ноя 20 10:37:32 tileserver renderd[21001]: DEBUG: Got command RenderPrio fd(10) xml(default), z(7), x(75), y(39), mime(image/png), options()
ноя 20 10:37:32 tileserver renderd[21001]: DEBUG: Got incoming connection, fd 11, number 4
ноя 20 10:37:32 tileserver renderd[21001]: DEBUG: Got incoming connection, fd 12, number 5
ноя 20 10:37:32 tileserver renderd[21001]: DEBUG: Got incoming request with protocol version 2
ноя 20 10:37:32 tileserver renderd[21001]: DEBUG: Got command RenderPrio fd(11) xml(default), z(7), x(77), y(39), mime(image/png), options()
ноя 20 10:37:32 tileserver renderd[21001]: DEBUG: Got incoming request with protocol version 2
ноя 20 10:37:32 tileserver renderd[21001]: DEBUG: Got command RenderPrio fd(12) xml(default), z(7), x(76), y(39), mime(image/png), options()
ноя 20 10:37:33 tileserver renderd[21001]: DEBUG: Got incoming connection, fd 13, number 6
ноя 20 10:37:33 tileserver renderd[21001]: DEBUG: Got incoming request with protocol version 2
ноя 20 10:37:33 tileserver renderd[21001]: DEBUG: Got command RenderPrio fd(13) xml(default), z(7), x(79), y(39), mime(image/png), options()
ноя 20 10:37:42 tileserver renderd[21001]: DEBUG: Failed to read cmd on fd 7
ноя 20 10:37:42 tileserver renderd[21001]: DEBUG: Connection 0, fd 7 closed, now 5 left
ноя 20 10:37:42 tileserver renderd[21001]: DEBUG: Got incoming connection, fd 7, number 6
ноя 20 10:37:42 tileserver renderd[21001]: DEBUG: Got incoming request with protocol version 2
ноя 20 10:37:42 tileserver renderd[21001]: DEBUG: Got command RenderPrio fd(7) xml(default), z(7), x(78), y(39), mime(image/png), options()
ноя 20 10:37:42 tileserver renderd[21001]: DEBUG: Failed to read cmd on fd 9
ноя 20 10:37:42 tileserver renderd[21001]: DEBUG: Connection 0, fd 9 closed, now 5 left
ноя 20 10:37:42 tileserver renderd[21001]: DEBUG: Failed to read cmd on fd 10
ноя 20 10:37:42 tileserver renderd[21001]: DEBUG: Connection 0, fd 10 closed, now 4 left
ноя 20 10:37:42 tileserver renderd[21001]: DEBUG: Failed to read cmd on fd 11
ноя 20 10:37:42 tileserver renderd[21001]: DEBUG: Connection 0, fd 11 closed, now 3 left
ноя 20 10:37:42 tileserver renderd[21001]: DEBUG: Failed to read cmd on fd 12
ноя 20 10:37:42 tileserver renderd[21001]: DEBUG: Connection 0, fd 12 closed, now 2 left
ноя 20 10:37:43 tileserver renderd[21001]: DEBUG: Failed to read cmd on fd 13
ноя 20 10:37:43 tileserver renderd[21001]: DEBUG: Connection 0, fd 13 closed, now 1 left
ноя 20 10:37:50 tileserver renderd[21001]: DEBUG: DONE TILE default 7 72-79 32-39 in 17.637 seconds
</code></pre>
<p>But mos of tiles renreding fine. I think, problem with some timeout settings.</p>
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