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Opened 3 years ago

#17729 new defect

ethernet switch resets link periodically

Reported by: gapski@… Owned by: developers
Priority: normal Milestone: Barrier Breaker 14.07
Component: kernel Version: Barrier Breaker 14.07
Keywords: link up/down ar71xx 14.07-rc3 Cc:

Description

I have a setup with openwrt 14.07-rc3 with 4 devices connected to the ethernet ports. Periodically all links go up and down simultaneously. The test scenario is moderate to high ethernet usage (VoIP).

I have tested the setup with 2 routers: DIR615E4 and WDR3600.

Logs from the devices follow:
Aug 29 11:42:16 kbox-web daemon.info ifplugd(eth0)[1688]: Link beat lost.
Aug 29 11:42:17 kbox-web user.info kernel: [ 768.786690] sunxi_emac sunxi_emac.0: eth0: link down
Aug 29 11:42:17 kbox-web daemon.info ifplugd(eth0)[1688]: Link beat detected.
Aug 29 11:42:19 kbox-web daemon.info ifplugd(eth0)[1688]: Link beat lost.
Aug 29 11:42:20 kbox-web daemon.info ifplugd(eth0)[1688]: Link beat detected.
Aug 29 11:42:21 kbox-web user.info kernel: [ 772.789543] sunxi_emac sunxi_emac.0: eth0: link up, 100Mbps, full-duplex, lpa 0xCDE1
Aug 29 11:42:22 kbox-web daemon.info ifplugd(eth0)[1688]: Link beat lost.
Aug 29 11:42:23 kbox-web user.info kernel: [ 774.796734] sunxi_emac sunxi_emac.0: eth0: link down
Aug 29 11:42:24 kbox-web daemon.info ifplugd(eth0)[1688]: Link beat detected.
Aug 29 11:42:25 kbox-web user.info kernel: [ 776.799579] sunxi_emac sunxi_emac.0: eth0: link up, 100Mbps, full-duplex, lpa 0xCDE1
Aug 29 12:28:15 kbox-web daemon.info dhclient: DHCPREQUEST on eth0 to 192.168.1.1 port 67
Aug 29 13:20:02 kbox-web daemon.info dhclient: DHCPREQUEST on eth0 to 192.168.1.1 port 67
Aug 29 14:10:41 kbox-web daemon.info dhclient: DHCPREQUEST on eth0 to 192.168.1.1 port 67


Aug 29 11:27:22 kbox-db kernel: [ 11.314153] sunxi_emac sunxi_emac.0: eth0: link up, 100Mbps, full-duplex, lpa 0xCDE1
Aug 29 11:33:28 kbox-db kernel: [ 377.320352] sunxi_emac sunxi_emac.0: eth0: link down
Aug 29 11:33:41 kbox-db kernel: [ 390.043280] sunxi_emac sunxi_emac.0: eth0: link up, 100Mbps, full-duplex, lpa 0xCDE1
Aug 29 11:42:17 kbox-db kernel: [ 906.048989] sunxi_emac sunxi_emac.0: eth0: link down
Aug 29 11:42:21 kbox-db kernel: [ 910.051805] sunxi_emac sunxi_emac.0: eth0: link up, 100Mbps, full-duplex, lpa 0xCDE1
Aug 29 11:42:23 kbox-db kernel: [ 912.058985] sunxi_emac sunxi_emac.0: eth0: link down
Aug 29 11:42:25 kbox-db kernel: [ 914.061805] sunxi_emac sunxi_emac.0: eth0: link up, 100Mbps, full-duplex, lpa 0xCDE1


Aug 29 11:41:20 kbox-pbx kernel: [ 11.094140] sunxi_emac sunxi_emac.0: eth0: link up, 100Mbps, full-duplex, lpa 0xCDE1
Aug 29 11:42:16 kbox-pbx kernel: [ 65.131191] sunxi_emac sunxi_emac.0: eth0: link down
Aug 29 11:42:20 kbox-pbx kernel: [ 69.133970] sunxi_emac sunxi_emac.0: eth0: link up, 100Mbps, full-duplex, lpa 0xCDE1
Aug 29 11:42:22 kbox-pbx kernel: [ 71.141180] sunxi_emac sunxi_emac.0: eth0: link down
Aug 29 11:42:24 kbox-pbx kernel: [ 73.143951] sunxi_emac sunxi_emac.0: eth0: link up, 100Mbps, full-duplex, lpa 0xCDE1


Jan 1 00:00:30 raspbox kernel: [ 4.089320] smsc95xx 1-1.1:1.0 eth0: register 'smsc95xx' at usb-bcm2708_usb-1.1, smsc95xx USB 2.0 Ethernet, b8:27:eb:31:19:45
Jan 1 00:00:28 raspbox kernel: [ 4.089842] smsc95xx 1-1.1:1.0 eth0: register 'smsc95xx' at usb-bcm2708_usb-1.1, smsc95xx USB 2.0 Ethernet, b8:27:eb:31:19:45
Jan 1 00:00:27 raspbox kernel: [ 4.094386] smsc95xx 1-1.1:1.0 eth0: register 'smsc95xx' at usb-bcm2708_usb-1.1, smsc95xx USB 2.0 Ethernet, b8:27:eb:31:19:45
Dec 31 21:01:09 raspbox kernel: [ 4.151106] smsc95xx 1-1.1:1.0 eth0: register 'smsc95xx' at usb-bcm2708_usb-1.1, smsc95xx USB 2.0 Ethernet, b8:27:eb:31:19:45
Dec 31 21:01:09 raspbox kernel: [ 4.104594] smsc95xx 1-1.1:1.0 eth0: register 'smsc95xx' at usb-bcm2708_usb-1.1, smsc95xx USB 2.0 Ethernet, b8:27:eb:31:19:45
Dec 31 21:01:16 raspbox kernel: [ 4.138171] smsc95xx 1-1.1:1.0 eth0: register 'smsc95xx' at usb-bcm2708_usb-1.1, smsc95xx USB 2.0 Ethernet, b8:27:eb:31:19:45
Dec 31 21:01:16 raspbox kernel: [ 76.167193] smsc95xx 1-1.1:1.0 eth0: hardware isn't capable of remote wakeup
Dec 31 21:01:17 raspbox kernel: [ 77.679831] smsc95xx 1-1.1:1.0 eth0: link up, 100Mbps, full-duplex, lpa 0xCDE1

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