From owner-freebsd-stable@FreeBSD.ORG Thu Oct 2 23:36:50 2014 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 88B2448D; Thu, 2 Oct 2014 23:36:50 +0000 (UTC) Received: from mail-qa0-x22f.google.com (mail-qa0-x22f.google.com [IPv6:2607:f8b0:400d:c00::22f]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 34E18288; Thu, 2 Oct 2014 23:36:50 +0000 (UTC) Received: by mail-qa0-f47.google.com with SMTP id cm18so107958qab.20 for ; Thu, 02 Oct 2014 16:36:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=Oe1Ek2mnS7PnSYpyeDX0MYGLCCJJKzuRBggy5uOV82k=; b=UB3YfKZy7eNPdwc+D+UohqxpG5DxAkh1J+jUhchNMehkAFHIgMlzhJvrt3MN2DUJKh /w4QjYP/koXEhjqVmmqnsfGcKl9hh0M9uyAM2OtIbFXI4XPtVKXyS6IHNnsWW2ljUgJe pGx7tLzqdqagboi4IYokSCO+XBS6qT1YyHuQy+YF4QEOZeORQgDa1trE/CysxL28EcQj rSHkflEqF2FT5XQWphGTzodUzxaNnreaOHux7zv6myK0sNCD2AKVCF/NDRt2Vf6lLJ/9 RL0iVbgE0cd8USR7eAFoa/TZ3E/fUHUW/ZMZToxbIiqZOPjyzuoaAQ7cjoRQMrG5RtwL cUjg== MIME-Version: 1.0 X-Received: by 10.140.104.13 with SMTP id z13mr65355qge.81.1412293009142; Thu, 02 Oct 2014 16:36:49 -0700 (PDT) Sender: hiren.panchasara@gmail.com Received: by 10.96.168.194 with HTTP; Thu, 2 Oct 2014 16:36:49 -0700 (PDT) In-Reply-To: <20141002181958.GJ29361@mordor.lan> References: <20141002164202.GI29361@mordor.lan> <20141002181958.GJ29361@mordor.lan> Date: Thu, 2 Oct 2014 16:36:49 -0700 X-Google-Sender-Auth: E1Lx0_PGPFmF8p7ZhiYoY_t_59Y Message-ID: Subject: Re: [jcigar@ulb.ac.be: Listen queue overflow: 8 already in queue awaiting acceptance] From: hiren panchasara To: Julien Cigar Content-Type: text/plain; charset=UTF-8 Cc: "freebsd-net@freebsd.org" , FreeBSD Stable Mailing List X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 02 Oct 2014 23:36:50 -0000 On Thu, Oct 2, 2014 at 11:19 AM, Julien Cigar wrote: > On Thu, Oct 02, 2014 at 10:24:13AM -0700, hiren panchasara wrote: >> On Thu, Oct 2, 2014 at 9:42 AM, Julien Cigar wrote: >> > sorry for cross-posting, I'm forwarding this as it seems that part of >> > the problem is also related to: >> > https://lists.freebsd.org/pipermail/freebsd-net/2014-September/039664.html >> >> Umm, this looks like a different problem than the subject of this email. > > yes and no, seems the same hardware (HP and igb) and I have also some > "requests for mbufs denied" (https://dpaste.de/t8kJ/raw) without any > reasons. I should add that the box hanged a week ago and I had to do a > hard reboot, I have the feeling that it's somewhat related to this > problem .. > I suggest you try to debug these 2 problems separately. Did you get a chance to look at kgdb to find the culprit process as I suggested below? cheers, Hiren >> > >> > I also wonder if something has been fixed in -STABLE in this area .. >> > >> > (please keep me in CC as I'm not subscribed on freebsd-net@ an >> > freebsd-stable@) >> > >> > -- >> > Julien Cigar >> > Belgian Biodiversity Platform (http://www.biodiversity.be) >> > PGP fingerprint: EEF9 F697 4B68 D275 7B11 6A25 B2BB 3710 A204 23C0 >> > No trees were killed in the creation of this message. >> > However, many electrons were terribly inconvenienced. >> > >> > >> > ---------- Forwarded message ---------- >> > From: Julien Cigar >> > To: freebsd-questions@freebsd.org >> > Cc: >> > Date: Thu, 2 Oct 2014 11:52:06 +0200 >> > Subject: Listen queue overflow: 8 already in queue awaiting acceptance >> > Hello, >> > >> > I'm running 10-RELEASE on a HP Proliant DL160 Gen8 and I'm seeing the >> > following in my kernel logs: >> > sonewconn: pcb 0xfffff8010e561310: Listen queue overflow: 8 already in >> > queue awaiting acceptance >> >> This usually means the application is not keeping up with the incoming >> connections. >> > >> > I already raised kern.ipc.soacceptqueue to 1024 and netstat -naA | grep >> > "fffff8010e561310" returns nothing >> >> This is the usual way of finding the culprit process. If this doesn't >> return anything, it probably means that it is a short-lived process. >> >> Here is an example of what you could do: >> >> sonewconn: pcb 0xfffff8008f40cb10: Listen queue overflow: 1 already in queue >> awaiting acceptance >> >> From kgdb, >> (kgdb) p ((struct inpcb *)0xfffff8008f40cb10)->inp_inc >> $3 = {inc_flags = 0 '\0', inc_len = 0 '\0', inc_fibnum = 0, inc_ie = {ie_fport >> = 0, ie_lport = 10295, ie_dependfaddr = { >> ie46_foreign = {ia46_pad32 = {0, 0, 0}, ia46_addr4 = {s_addr = 0}}, >> ie6_foreign = {__u6_addr = { >> __u6_addr8 = '\0' , __u6_addr16 = {0, 0, 0, 0, 0, >> 0, 0, 0}, __u6_addr32 = {0, 0, 0, 0}}}}, >> ie_dependladdr = {ie46_local = {ia46_pad32 = {0, 0, 0}, ia46_addr4 = >> {s_addr = 0}}, ie6_local = {__u6_addr = { >> __u6_addr8 = '\0' , __u6_addr16 = {0, 0, 0, 0, 0, >> 0, 0, 0}, __u6_addr32 = {0, 0, 0, 0}}}}}} >> >> Here, ie_lport = 10295 which is in n/w byte order and converting it to host >> byte order, 10295 -> 0x2837 and swapping them gives us 0x3728 which is 14120. >> >> Now, use sockstat to find out what process is on that port: >> >> $ sockstat -l | grep 14120 >> >> cheers, >> Hiren > > -- > Julien Cigar > Belgian Biodiversity Platform (http://www.biodiversity.be) > PGP fingerprint: EEF9 F697 4B68 D275 7B11 6A25 B2BB 3710 A204 23C0 > No trees were killed in the creation of this message. > However, many electrons were terribly inconvenienced.