После обновления nginx не отображается прогрессбар при аплоаде файла.
В логах:

2016/04/09 20:47:37 [debug] 8670#0: *40 malloc: 0000000001249020:16
2016/04/09 20:47:37 [debug] 8670#0: *40 upload-progress: get_tracking_id found args: fb2573fbf0cdbd7a3e20f5c00f7f6da4
2016/04/09 20:47:37 [debug] 8670#0: *40 malloc: 0000000001249040:48
2016/04/09 20:47:37 [debug] 8670#0: *40 upload-progress: read_event_handler found id: fb2573fbf0cdbd7a3e20f5c00f7f6da4
2016/04/09 20:47:37 [debug] 8670#0: *40 http read client request body
2016/04/09 20:47:37 [debug] 8670#0: *40 recv: fd:28 2896 of 3507
2016/04/09 20:47:37 [debug] 8670#0: *40 http client request body recv 2896
2016/04/09 20:47:37 [debug] 8670#0: *40 http client request body rest 941014992
2016/04/09 20:47:37 [debug] 8670#0: *40 recv: fd:28 -1 of 611
2016/04/09 20:47:37 [debug] 8670#0: *40 recv() not ready (11: Resource temporarily unavailable)
2016/04/09 20:47:37 [debug] 8670#0: *40 http client request body recv -2
2016/04/09 20:47:37 [debug] 8670#0: *40 http client request body rest 941014992
2016/04/09 20:47:37 [debug] 8670#0: *40 event timer: 28, old: 1460227657757, new: 1460227657757
2016/04/09 20:47:37 [debug] 8670#0: *40 http run request: "/doupload/?X-Progress-ID=fb2573fbf0cdbd7a3e20f5c00f7f6da4"
2016/04/09 20:47:37 [debug] 8670#0: *40 upload-progress: ngx_http_uploadprogress_event_handler
2016/04/09 20:47:37 [debug] 8670#0: *40 upload-progress: get_tracking_id
2016/04/09 20:47:37 [debug] 8670#0: *40 upload-progress: get_tracking_id no header found
2016/04/09 20:47:37 [debug] 8670#0: *40 upload-progress: get_tracking_id no header found, args found
2016/04/09 20:47:37 [debug] 8670#0: *40 upload-progress: get_tracking_id found args: X-Progress-ID=fb2573fbf0cdbd7a3e20f5c00f7f6da4 HTTP/1.1

Подскажите в где копать?
Спасибо!