Pablo: Did you test Emmanuel's suggestion, and did it help?
If so, you can make the workaround permanent by creating a file in the
/etc/modprobe.d directory (e.g. iwlwifi-11n.conf) which contains the
line "options iwlwifi 11n_disable=8". Tx AMPDU has caused problems for
enough people that I don't think there's much chance of changing the
default back to on.
** Changed in: linux (Ubuntu)
Status: Triaged => Incomplete
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https://bugs.launchpad.net/bugs/1319630
Title:
85% performance hit in iwlwifi from 12.04 to 14.04
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