Thanks Mauricio.
Something is apparently going wrong in the interaction with the bios.
acer-wmi calls into the bios to set the rfkill state, but it's always
reading back that wifi is disabled. acer-wmi also has a periodic event
to read back the state from the bios and set its own rfkill state based
on that (I'm not sure why, but I'm guessing there must be some hardware
for which this is necessary to determine if wifi has been disabled by
either a hotkey or switch). So what happens is that your wifi is
unblocked briefly (less than one second) until the next time acer-wmi
updates its soft-block state from the bios, which matches the behavior
described in comment #5. I'm not sure if it's the setting or the reading
of the wifi state, or both, that's going wrong. I need to do some more
investigation.
Out of curiosity, what happens if you run 'rfkill block 3' (assuming
that 3 is always the index assigned to acer-wireless in 'rfkill list',
which is probably worth checking first)?
Your wifi hotkey issue should be an easy fix, but it won't matter until
the soft-block problem gets fixed.
** Changed in: linux (Ubuntu)
Status: Incomplete => In Progress
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https://bugs.launchpad.net/bugs/771758
Title:
acer-wmi prevents wifi (bcmwl/brcm80211) from working
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