A script for those fed up with iwlwifi's "Hardware restart was requested" every now and then

fucking-wireless-watchdog.py

#!/usr/bin/env python
import os

# This is a script which tackles iwlwifi wireless adapter silent deaths,
# to which the only remedy is either wait ages or reload iwlwifi module.
# This problem is getting on my nerves for quite a while now, hence the 
# script. Google for "Hardware restart was requested" to get the idea.

# Cronjob excerpt:
# * * * * * root /usr/local/bin/fucking-wireless-watchdog.py > /tmp/fucking-wireless-watchdog.log

fucking_message_to_watch = 'Hardware restart was requested'

p = os.popen('dmesg | tail | grep "%s"' % fucking_message_to_watch, 'r') 
l = p.readline()
if l.find(fucking_message_to_watch) is not -1:
    print 'FFS, restart fucking wireless!'
    os.system('/usr/bin/wall "Fucking wireless is down!"')
    os.system('/sbin/rmmod iwlwifi; /bin/sleep 3; /sbin/modprobe iwlwifi')
else:
    print 'False fucking alarm, carry on!'