# HG changeset patch
# User Igor Sysoev <igor@sysoev.ru>
# Date 1171533659 0
# Node ID 1402dbb554c4f1e8e17b38fbb24cabddefdc53ed
# Parent  109e8c7d7cc14e0e19e0438367e931d166c6b2e1
add debug logging

diff --git a/src/http/ngx_http_upstream.c b/src/http/ngx_http_upstream.c
--- a/src/http/ngx_http_upstream.c
+++ b/src/http/ngx_http_upstream.c
@@ -433,6 +433,9 @@ ngx_http_upstream_check_broken_connectio
 
     err = ngx_socket_errno;
 
+    ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ev->log, err,
+                   "http upstream recv(): %d", n);
+
     /*
      * we do not need to disable the write event because
      * that event has NGX_USE_CLEAR_EVENT type