Hello,
I am new on this forum and hopefully someone can give me a hint to look further into my PI problem. Also my operating system knowledge is low, so i do my best to understand my feedback.
I've installed raspberrypi 3.12.18+
I want to use the PI for power measurement connected to an Kaifa MA304 Smart power meter.
It is connected with an USB to P1 serial converter and it read's the data with a cronjob every 5 minutes and converts them to power readings which is accessible through the webserver
it's the idea for stand alone, so i didn't connect a keyboard or a mouse when the problem apears.
The voltage between TP1 and TP2 is 4,94V and stable, i am using a 2000ma power supply bought together with the PI
The PI works fine for a time and then suddenly i get the next error's in the syslog and the webserver isn't reachable anymore :
May 6 11:25:39 raspberrypi kernel: [15568.380139] smsc95xx 1-1.1:1.0 eth0: Failed to read reg index 0x00000114: -110
May 6 11:25:39 raspberrypi kernel: [15568.380191] smsc95xx 1-1.1:1.0 eth0: Error reading MII_ACCESS
May 6 11:25:39 raspberrypi kernel: [15568.380212] smsc95xx 1-1.1:1.0 eth0: MII is busy in smsc95xx_mdio_read
May 6 11:25:44 raspberrypi ifplugd(eth0)[1599]: Link beat lost.
May 6 11:25:44 raspberrypi kernel: [15573.380263] smsc95xx 1-1.1:1.0 eth0: Failed to read reg index 0x00000114: -110
May 6 11:25:44 raspberrypi kernel: [15573.380318] smsc95xx 1-1.1:1.0 eth0: Error reading MII_ACCESS
May 6 11:25:44 raspberrypi kernel: [15573.380338] smsc95xx 1-1.1:1.0 eth0: MII is busy in smsc95xx_mdio_read
May 6 11:25:50 raspberrypi kernel: [15579.480427] smsc95xx 1-1.1:1.0 eth0: Failed to read reg index 0x00000114: -110
May 6 11:25:50 raspberrypi kernel: [15579.480478] smsc95xx 1-1.1:1.0 eth0: Error reading MII_ACCESS
May 6 11:25:50 raspberrypi kernel: [15579.480498] smsc95xx 1-1.1:1.0 eth0: MII is busy in smsc95xx_mdio_read
May 6 11:25:55 raspberrypi ifplugd(eth0)[1599]: Executing '/etc/ifplugd/ifplugd.action eth0 down'.
Can someone help me ?
Olaf Wevers