Messages in this thread | | | Date | Sun, 4 Mar 2012 22:53:35 -0600 | From | Jonathan Nieder <> | Subject | Re: iwlwifi WPA-TKIP crypto failure after group rekeying |
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Hi,
Johannes Berg wrote: > On Mon, 2012-02-27 at 05:33 +0000, Ben Hutchings wrote:
>> To summarise, a WPA-TKIP managed connection stops passing traffic and >> the kernel log shows the message "WPA: Group rekeying". This apparently >> doesn't happen if the connection is in heavy use at the time or with >> module parameter swcrypto=1. WPA2 is not affected either. > > I think this is due to my patch "iwlagn: rewrite HW crypto" which > accidentally broke key *removal* (of all things), which causes issues > when the first GTK is removed on the second rekeying. > > This patch > [...]h=5dcbf480473f6c3f06ad2426b7517038a2a18911 > > should fix it. Wey has sent it to John [...] > it's also marked for stable.
Shawn Thompson (cc-ed) tested the patch against 3.2.9 and 3.3-rc6 and found it to work[1]. What can interested people do to help usher this into mainline?
(To recap, this was a regression introduced between 3.0 and 3.1, presumably by v3.1-rc1~24^2~10^2^2~37.)
Thanks, Jonathan
[1] http://bugs.debian.org/651199#147
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