Interesting- I also have a wzr-hp-g300nh which doesn't appear to have any problem when using it, but has lots of drops on the bridge
[email protected]:~# uptime 10:37:20 up 54 days, 4:18, load average: 0.00, 0.01, 0.04 ATTITUDE ADJUSTMENT (bleeding edge, r29844) ---------- [email protected]:~# dmesg | grep -i wzr [ 0.000000] Kernel command line: board=WZR-HP-G300NH console=ttyS0,115200 rootfstype=squashfs,jffs2 noinitrd [ 0.090000] MIPS: machine is Buffalo WZR-HP-G300NH [email protected]:~# [email protected]:~# ifconfig br-lan Link encap:Ethernet HWaddr 00:1D:73:B4:A9:3B inet addr:192.168.15.254 Bcast:192.168.15.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:55750098 errors:0 dropped:2566262 overruns:0 frame:0 TX packets:137978578 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:5050975487 (4.7 GiB) TX bytes:199036431689 (185.3 GiB) however not on any physical devices: [email protected]:~# ifconfig | grep dropped RX packets:55750270 errors:0 dropped:2566350 overruns:0 frame:0 <-- br-lan --> TX packets:137978585 errors:0 dropped:0 overruns:0 carrier:0 RX packets:49758824 errors:0 dropped:8 overruns:92496 frame:0 TX packets:128751680 errors:0 dropped:0 overruns:0 carrier:0 RX packets:49758611 errors:0 dropped:0 overruns:0 frame:0 TX packets:128751679 errors:0 dropped:0 overruns:0 carrier:0 RX packets:158955224 errors:0 dropped:1 overruns:0 frame:0 TX packets:49567093 errors:0 dropped:0 overruns:0 carrier:0 RX packets:275 errors:0 dropped:0 overruns:0 frame:0 TX packets:275 errors:0 dropped:0 overruns:0 carrier:0 RX packets:32941 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 RX packets:23258608 errors:0 dropped:0 overruns:0 frame:0 TX packets:32326640 errors:0 dropped:0 overruns:0 carrier:0 [email protected]:~# it would be interesting to know why these packets are dropping. On Tue, Nov 19, 2013 at 9:40 AM, Ben West <[email protected]> wrote: > FWIW, I run Attitude Adjustment on 2 wzr-hp-g300nh2's and on one > wzr-hp-g300nh, not the same but similar to your device. > > The wzr-hp-g300nh does indeed show a large quantity of packet drops on its > internal LAN, and I've found no root cause. Likewise, I stopped using the > unit's wifi interface entirely (in lieu of just using wired routing), due > to wifi traffic periodically causing the internal LAN, both wired and > wireless, to randomly freeze for 30 seconds. > > On the wzr-hp-g300hn: > > root@bluenoses:~# ifconfig > br-lan Link encap:Ethernet HWaddr 00:24:A5:XX:XX:XX > inet addr:192.168.30.1 Bcast:192.168.30.255 Mask:255.255.255.0 > inet6 addr: .../64 Scope:Link > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:3858492 errors:0 dropped:0 overruns:0 frame:0 > TX packets:3750366 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:0 > RX bytes:1601390703 (1.4 GiB) TX bytes:2301356709 (2.1 GiB) > > eth0 Link encap:Ethernet HWaddr 00:24:A5:XX:XX:XX > inet6 addr: .../64 Scope:Link > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:3875718 errors:0 dropped:17064 overruns:61354 frame:0 > TX packets:3750374 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:1000 > RX bytes:1671882526 (1.5 GiB) TX bytes:2316359834 (2.1 GiB) > Interrupt:4 > > eth0.1 Link encap:Ethernet HWaddr 00:24:A5:XX:XX:XX > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:3858492 errors:0 dropped:0 overruns:0 frame:0 > TX packets:3750366 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:0 > RX bytes:1601390703 (1.4 GiB) TX bytes:2301356709 (2.1 GiB) > > eth1 Link encap:Ethernet HWaddr 00:24:A5:XX:XX:XY > inet addr:XXX.XXX.XXX.XXX Bcast:96.35.187.123 > Mask:255.255.255.252 > inet6 addr: .../64 Scope:Link > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:3752454 errors:0 dropped:0 overruns:0 frame:0 > TX packets:3822563 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:5 > RX bytes:2302722406 (2.1 GiB) TX bytes:1648496594 (1.5 GiB) > Interrupt:5 > ... > > root@bluenoses:~# cat /etc/openwrt_release > DISTRIB_ID="OpenWrt" > DISTRIB_RELEASE="Attitude Adjustment" > DISTRIB_REVISION="r36528" > DISTRIB_CODENAME="attitude_adjustment" > DISTRIB_TARGET="ar71xx/generic" > DISTRIB_DESCRIPTION="OpenWrt Attitude Adjustment 12.09" > > My guess is that the wzr-hp-g300nh is defective, and/or OpenWRT support > for it is not 100%. The packet loss is not adversely affecting my usage, > and I will replace the unit with something else when opportunity allows. > > On Tue, Nov 19, 2013 at 11:22 AM, camden lindsay < > [email protected]> wrote: > >> Hello- >> I recently had a problem with a router, and found it to most likely be >> the hardware >> >> Long story short, i copied the image from that router (dd /dev/mtdblock5 >> then mtd write) directly onto an identical router and the problems did not >> follow - which indcate hardware was most likely the problem. >> >> I recently was struggling with wifi stability issues on my wzr-hp-ag300h. >> Before a software update, it was pretty bad, then after upgrading to trunk >> it was mostly unusable. >> >> I updated to trunk because I knew a lot of driver advancement had been >> made, and was hoping it would help my wireless problems. >> >> After hours of troubleshooting, I started looking at wireshark, and saw a >> lot of [TCP ACKed unseen segment], [TCP Previous segment not >> captured], [TCP ACKed unseen segment], [TCP Dup ACK 61#1] and [TCP >> Out-Of-Order] that would imply large amounts of packet loss. >> >> A check with MTR indicated icmp loss to a machine on my local wired >> network, the loss coming and going but averaging 20-35% over 160 pings or >> so. >> >> This occured on both 2.4 and 5.2 GHz. On this device, I believe they are >> physically different chips. >> >> No usual logs showed up in dmesg or syslog. >> >> I don't remember the interface statistics showing anything that seemed >> wonky (unusual number of errors/packets marked as dropped/etc). >> >> I'd like to learn more how to look into what may be causing this issue. >> >> Is there any kind of additional debugging people can recommend? >> >> thank you >> Camden >> >> >> _______________________________________________ >> openwrt-users mailing list >> [email protected] >> https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-users >> >> > > > -- > Ben West > http://gowasabi.net > [email protected] > 314-246-9434 > > _______________________________________________ > openwrt-users mailing list > [email protected] > https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-users > >
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