raspberrypi kernel: <1-1.1:1.0: eth0: kevent 2 may have been dropped
This happens to a lot of people who are torrenting (probably using transmission) and especially to external HDDs. It tends to turn up in /var/log/messages and/or /var/log/kernel and/or /var/log/dmesg. You can cat these to see if the error is there.
There are a couple of reasons that this happens and the following has been the way I have managed to fix it (Supposedly there is a bug fix in a distant future kernel release).
Reason 1:
Memory isn't available fast enough and for some reason the kernel crashes.I did two things to fix this.
1: Increase the number of min_kbytes by editing sysctl.conf
(using vim or nano or whatever)
Start by opening a terminal then type the following to edit the proper files.
sudo nano /etc/sysctl.conf
at the end of the file add the following line
vm.min_free_kbytes = 16384
*Note, if that doesn't help, try increasing the number
Example:
vm.min_free_kbytes = 32768
Then save and exit the file.
The second thing I did was to add an option to the boot command
sudo nano /boot/cmdline.txt
At the end of the line, add: smsc95xx.turbo_mode=N
Save, exit the file, and then reboot (sudo reboot)
Reason 2:
Your usb hub has a problem where it is creating a feedback loop.Tape over the +5V pin on the USB cord (You should use a multimeter to find it). Fixed, though a bit sketchily.
Check out my other Raspberry Pi Fixes/How tos:
http://stevenhickson.blogspot.com/2012/10/using-raspberry-pi-as-web-server-media.html
http://stevenhickson.blogspot.com/2012/08/setting-up-omxplayer-gui-on-raspberry-pi.html
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