I am on Ubuntu 16.04 LTS, Dell XPS 15 9550.
Since one week ago (which probably matches last kernel update), every time I wake up my Laptop from suspend-mode, it correctly connects to the WiFi, but then it can't resolve any hostname (Google Chrome raises "DNS FINISHED BAD_CONFIG" and even ssh can't resolve server names).
This happen only when waking laptop up from suspend-mode. If I run
sudo service network-manager restart
then everything comes back to normal. I really have no idea of what's happening. Config or sys changes may be occurred only through automatic updates (kernel updates included).
P.S. I've already tried to reset resolvconf when the problem occurs, but no luck.
just found this in syslog
brcmfmac 0000:02:00.0: Direct firmware load for brcm/brcmfmac43602-pcie.txt failed with error -2
The strange thing is that I have an
/lib/firmware , but it has extension
.bin as all others drivers, so I don't know why the kernel is searching for an