From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS14135 216.205.24.0/21 X-Spam-Status: No, score=-0.8 required=3.0 tests=AWL,BAYES_00, RCVD_IN_DNSWL_LOW,URIBL_BLOCKED shortcircuit=no autolearn=unavailable version=3.3.2 X-Original-To: unicorn-public@bogomips.org Received: from us-smtp-delivery-110.mimecast.com (us-smtp-delivery-110.mimecast.com [216.205.24.110]) by dcvr.yhbt.net (Postfix) with ESMTP id 655BF1F6A8 for ; Tue, 24 Mar 2015 22:43:43 +0000 (UTC) Subject: nginx reverse proxy getting ECONNRESET Received: from mail-qg0-f53.google.com (mail-qg0-f53.google.com [209.85.192.53]) (Using TLS) by us-mta-13.us.mimecast.lan; Tue, 24 Mar 2015 18:43:41 -0400 Received: by qgfa8 with SMTP id a8so13695493qgf.0 for ; Tue, 24 Mar 2015 15:43:41 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:date:message-id:subject:from:to :content-type; bh=DsKdr1WMxzkRMJ1iTCfyL+umRh/uwYgk8Ry82r16cAY=; b=JEdylSJuUfLDlCgdAuFXgfyqQm/uzgP/0w/3X209DMI45X45cZ3VIbkteoEgNjpnFo C16lMf3x4JtvWvZ+HUh5PYWbSd/1zYPCqAH3zL6rJ4kdWyezTxihMbB+DKDnvbzw6nbG ICrk9MpM13UVrpgVYSc+7LAcNq60e6MgqWmagUp3JI8prSDdRKMfNPg1Ryqal5KFmEFd 2oYVbbZiHW/Rp3lW+rrXN2epBYfduFeZMuSlaDiJkJje6y2LJgpF1vTzrS3xkub2jFA9 cdqBbfpvgfAzNQ03zdQbbYVytKqL8aJeYy+rXZAL0YCRR2Nv6VlGXX5fiF42gqdCemiF zSTQ== X-Gm-Message-State: ALoCoQlH5NTNOHABX0d1gaWGE6RZ1G2UvZzKclN6WlkDTDtEMpjbpufWj4xcqjhuvf0Eh0VPVyMrsrne5vzgUtsguhLXXpV1dqDVdBPEu6JingQtJj5gtmZrxHwWQx9HdWlHLdayZkNrfofJBUco+y3fSPecXdRfFDnFlOAl7VURkGM9tZJxm5o= X-Received: by 10.55.52.83 with SMTP id b80mr14177577qka.36.1427237021006; Tue, 24 Mar 2015 15:43:41 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.55.52.83 with SMTP id b80mr14177563qka.36.1427237020918; Tue, 24 Mar 2015 15:43:40 -0700 (PDT) Received: by 10.140.48.97 with HTTP; Tue, 24 Mar 2015 15:43:40 -0700 (PDT) Date: Tue, 24 Mar 2015 22:43:40 +0000 Message-ID: From: Michael Fischer To: unicorn-public X-MC-Unique: yZ8TjJeOR0SXp31YLtHa6g-1 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable List-Id: We have an nginx 1.6.2 proxy in front of a Unicorn 4.8.3 server that is frequently reporting the following error: 2015/03/24 01:46:01 [error] 11217#0: *872231 readv() failed (104: Connection reset by peer) while reading upstream The interesting things are: 1) The upstream is a Unix domain socket (to which Unicorn is bound) 2) Unicorn isn't reporting that a child died in the error log (and I verified their lifetimes with ps(1)) Any hints as to what we should look for? Thanks, --Michael