From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nolwenn Subject: Possible bug with r8169 driver Date: Thu, 27 Sep 2012 14:24:47 +0000 Message-ID: <2197741.c8FeV4Xbis@bureau> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7Bit To: netdev@vger.kernel.org Return-path: Received: from mail-ey0-f174.google.com ([209.85.215.174]:50133 "EHLO mail-ey0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753228Ab2I0OYv (ORCPT ); Thu, 27 Sep 2012 10:24:51 -0400 Received: by eaac13 with SMTP id c13so648271eaa.19 for ; Thu, 27 Sep 2012 07:24:49 -0700 (PDT) Sender: netdev-owner@vger.kernel.org List-ID: Hello, I'm on Archlinux (kernel 3.5.4), I need to set eth0 to promiscuous to get a stable IPv6 connectivity. My internet access provider is Free (France) and IPv6 is enable on the box. If eth0 is not set to promiscuous, I need to intercep packets with "tcpdump -nvvv ip6" to get an IPv6 connectivity and it's lost, a few later, when interception is stopped. Regards Nolwenn PS : sorry for my bad english Some information on hardware and settings 03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 09) Subsystem: ASUSTeK Computer Inc. Device 8505 Flags: bus master, fast devsel, latency 0, IRQ 44 I/O ports at e000 [size=256] Memory at f0004000 (64-bit, prefetchable) [size=4K] Memory at f0000000 (64-bit, prefetchable) [size=16K] Capabilities: Kernel driver in use: r8169 sysctl.conf (nothing in /etc/sysctl.d directory) ======= # Configuration file for runtime kernel parameters. # See sysctl.conf(5) for more information. # Have the CD-ROM close when you use it, and open when you are done. #dev.cdrom.autoclose = 1 #dev.cdrom.autoeject = 1 # Protection from the SYN flood attack. net.ipv4.tcp_syncookies = 1 # See evil packets in your logs. #net.ipv4.conf.all.log_martians = 1 # Never accept redirects or source routes (these are only useful for routers). #net.ipv4.conf.all.accept_redirects = 0 #net.ipv4.conf.all.accept_source_route = 0 #net.ipv6.conf.all.accept_redirects = 0 #net.ipv6.conf.all.accept_source_route = 0 # Disable packet forwarding. net.ipv4.ip_forward = 0 net.ipv6.conf.all.forwarding = 0 # Tweak the port range used for outgoing connections. #net.ipv4.ip_local_port_range = 32768 61000 # Tweak those values to alter disk syncing and swap behavior. #vm.vfs_cache_pressure = 100 #vm.laptop_mode = 0 #vm.swappiness = 60 # Tweak how the flow of kernel messages is throttled. #kernel.printk_ratelimit_burst = 10 #kernel.printk_ratelimit = 5 # Reboot 600 seconds after kernel panic or oops. #kernel.panic_on_oops = 1 #kernel.panic = 600 # Disable SysRq key to avoid console security issues. kernel.sysrq = 0 % dmesg | grep r8169 [ 1.810423] r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded [ 1.810548] r8169 0000:03:00.0: irq 44 for MSI/MSI-X [ 1.810671] r8169 0000:03:00.0: eth0: RTL8168f/8111f at 0xffffc900057ae000, 30:85:a9:ee:43:fa, XID 08000800 IRQ 44 [ 1.810672] r8169 0000:03:00.0: eth0: jumbo features [frames: 9200 bytes, tx checksumming: ko] [ 3.061527] r8169 0000:03:00.0: eth0: link down [ 3.062343] r8169 0000:03:00.0: eth0: link down [ 4.690703] r8169 0000:03:00.0: eth0: link up % ip addr 1: lo: mtu 16436 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 30:85:a9:ee:43:fa brd ff:ff:ff:ff:ff:ff inet 192.168.0.11/24 brd 192.168.0.255 scope global eth0 inet6 XXXX:XXXX:XXXX:2720:3285:a9ff:feee:43fa/64 scope global dynamic valid_lft 85897sec preferred_lft 85897sec inet6 fe80::3285:a9ff:feee:43fa/64 scope link valid_lft forever preferred_lft forever