From owner-freebsd-net@freebsd.org Fri Feb 5 15:38:00 2016 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 7A7CFA77708 for ; Fri, 5 Feb 2016 15:38:00 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 519B124E for ; Fri, 5 Feb 2016 15:38:00 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id u15Fc0Cs098954 for ; Fri, 5 Feb 2016 15:38:00 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-net@FreeBSD.org Subject: [Bug 206932] Realtek 8111 card stops responding under high load in netmap mode Date: Fri, 05 Feb 2016 15:38:00 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 11.0-CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: software-freebsd@interfasys.ch X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 05 Feb 2016 15:38:00 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D206932 --- Comment #2 from Olivier - interfaSys s=C3=A0rl --- Setting re0 to use a MTU of 9000 and the connection stays alive. Instead of timing out, the packet rate drops drastically once and things go back to normal.=20 The main difference in netstat is that the mbuf clusters are split between standard and jumbo frames ``` 768/2787/3555 mbufs in use (current/cache/total) 256/1524/1780/500200 mbuf clusters in use (current/cache/total/max) 256/1515 mbuf+clusters out of packet secondary zone in use (current/cache) 0/46/46/250099 4k (page size) jumbo clusters in use (current/cache/total/ma= x) 256/65/321/74103 9k jumbo clusters in use (current/cache/total/max) 0/0/0/41683 16k jumbo clusters in use (current/cache/total/max) 3008K/4513K/7521K bytes allocated to network (current/cache/total) 0/0/0 requests for mbufs denied (mbufs/clusters/mbuf+clusters) 0/0/0 requests for mbufs delayed (mbufs/clusters/mbuf+clusters) 0/0/0 requests for jumbo clusters delayed (4k/9k/16k) 0/0/0 requests for jumbo clusters denied (4k/9k/16k) 0 requests for sfbufs denied 0 requests for sfbufs delayed 0 requests for I/O initiated by sendfile ``` The rate in vmstat keeps rising, but that doesn't seem to be a problem ``` interrupt total rate irq16: sdhci_pci0 1 0 cpu0:timer 3008083 1113 irq256: ahci0 10125 3 irq257: xhci0 11363 4 irq258: hdac0 3 0 irq259: re0 13105929 4850 irq260: re1 101440 37 cpu2:timer 1095578 405 cpu1:timer 1083354 400 cpu3:timer 1123144 415 Total 19539020 7231 ``` --=20 You are receiving this mail because: You are the assignee for the bug.=