Confirming this problem on my Acer Aspire laptop.
I tried the workaround mentioned somewhere
else, creating /etc/modprobe.d/ath9.conf with :
options ath9k nohwcrypt=1
This works! In my case, the laptop is fast
enough to do encryption in software, and
hybernation is not so important for me,
so for me this workaround is acceptable.
This proves - at least in my case - that the
problem is related to the hardware encryption.
Regards,
Jan Nijtmans
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https://bugs.launchpad.net/bugs/754176
Title:
ath9k wireless connection extremely slow
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