Hi
On 27/02/15 23:18, Peter Robinson wrote:
Running Fedora release 22 (Rawhide) 3.19.0-0.rc7.git3.1.fc22.armv7hl I
find
I have a problem with wlan0 becoming de-activated.
Running headless, attempt to ssh to device. No response. Turn on monitor
at
device.
ifconfig shows an ip address ok.
cannot ping router
try sudo systemctl restart network.service
no change
decide to ifdown/ifup wlan0
system returns to normal, can then ping router and ssh to device from my
laptop.
journalctl for wlan0 gives results as per attached.
Can anyone explain what is happening to the wlan0 device and why I have
to
re-activate it?
What device?
Rikomagic MK802II
Anything in dmesg about crashes?
Nothing there. No errors reported.
It's not the firewall
getting in the way?
This is just internal network comms. I don't think the firewall is involved.
Would cycling the wlan0 device clear anything with the firewall?
Looking at google it looks like a Ralink8188 device, is it attached
via usb or some other manner?
The on-board wireless adapter requires a rtl8188eu module which I have
not got around to compiling yet so am using a USB device also a Realtek
but requires a RTL8191SU module.
How is the mk802ii powered? If it's via
usb make sure it's got a 2A PSU as we had a similar issue (usb dying
after a period of time) reported here with a CubieTruck recently which
was fixed by powering the device with a more powerful power supply.
The PS is a 3A through a powered USB hub but I may need to try the
wireless device in another port for more available power. Thanks for the
tip. Will check it out.
Rob
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