#13072: ag71xx WNDR3700 slow vlan routing
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Reporter: severn@… | Owner: developers
Type: defect | Status: reopened
Priority: normal | Milestone: Barrier Breaker 14.07
Component: kernel | Version: Attitude Adjustment 12.09 Beta
Resolution: | Keywords:
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Comment (by anonymous):
Replying to [comment:73 nbd]:
> did you make sure it was a clean build? and when eth0 "seems to go
down", are there any messages in the log?
The build should be a clean one, I've run make clean to clean up the build
directory and I've seen make build actually build the compiler, the kernel
and the image. The build I have is OpenWrt Chaos Calmer r42435 / LuCI
Trunk (svn-r10527) with kernel 3.10.49.
The logs were saying something about the loss of connectivity and that
eth0 was now up again.
Here's what I get in the system logs when changing the tx ring size for
eth0 to 32:
{{{
daemon.notice netifd: Interface 'wan' is now down
kern.info kernel: [ 4020.899000] eth0: link down
daemon.notice netifd: Interface 'wan' is disabled
kern.info kernel: [ 4020.910000] IPv6: ADDRCONF(NETDEV_UP): eth0: link is
not ready
daemon.notice netifd: Interface 'wan' is enabled
daemon.notice netifd: Interface 'wan' is setting up now
daemon.notice netifd: Network device 'eth0' link is down
daemon.notice netifd: Interface 'wan' has link connectivity loss
daemon.info pppd[7664]: Plugin rp-pppoe.so loaded.
daemon.info pppd[7664]: RP-PPPoE plugin version 3.8p compiled against pppd
2.4.6
daemon.notice pppd[7664]: pppd 2.4.6 started by root, uid 0
}}}
and the kernel logs:
{{{
[ 4020.899000] eth0: link down
[ 4020.910000] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 4021.682000] ar71xx: pll_reg 0xb8050010: 0x110000
[ 4021.682000] eth0: link up (1000Mbps/Full duplex)
[ 4021.691000] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
}}}
This is similar to what I was seeing when the wan interface was dropping
on its own.
The network interface came back and the PPPoE connection was re-
established, but this doesn't always happen. Sometimes it seems the kernel
panics or both network interfaces get stuck and there's no way to debug
without serial console.
I'll try another build with a fresh git clone and report back. I can
provide more information gathered from this ar7161 if it helps.
--
Ticket URL: <https://dev.openwrt.org/ticket/13072#comment:75>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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