From: Johannes Berg <johannes@sipsolutions.net>
To: Eddie Chapman <eddie@ehuk.net>
Cc: stable@vger.kernel.org, johannes.berg@intel.com,
florian@reitmeir.org, linux-wireless@vger.kernel.org
Subject: Re: Linux 3.6.5
Date: Mon, 05 Nov 2012 13:01:08 +0100 [thread overview]
Message-ID: <1352116868.9466.2.camel@jlt4.sipsolutions.net> (raw)
In-Reply-To: <50979D38.6010002@ehuk.net> (sfid-20121105_121423_464154_72561532)
On Mon, 2012-11-05 at 11:04 +0000, Eddie Chapman wrote:
> > And, can you also test 3.7-rc4, to ensure that the problem isn't there
> > as well?
> I've narrowed it down to this patch which introduces the problem:
>
> Johannes Berg:
> mac80211: connect with HT20 if HT40 is not permitted
> commit: 3a40414f826a8f1096d9b94c4a53ef91b25ba28d
>
> The other 3 patches above give me no problems at all, so I am now
> running my 3.6.5 with those 3 back in, and just the HT20/HT40 patch
> removed, and throughput is perfect. As soon as I introduce the patch
> HT20/HT40 throughput drops right down to a fifth of what it was.
This should also be the case on 3.7-rc4, since the patch came from
there, and I don't see any reason to believe rt2800 would behave
differently here, for some reason.
Can you show me the contents of
the /sys/kernel/debug/ieee80211/phy0/ht40allow_map debugfs file and "iw
reg get" command?
johannes
next prev parent reply other threads:[~2012-11-05 12:00 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-31 17:38 Linux 3.6.5 Greg KH
2012-10-31 17:38 ` Greg KH
[not found] ` <509575F4.5020109@ehuk.net>
[not found] ` <20121105081757.GA3730@kroah.com>
2012-11-05 11:04 ` Eddie Chapman
2012-11-05 12:01 ` Johannes Berg [this message]
2012-11-05 22:08 ` Eddie Chapman
2012-11-06 7:57 ` Johannes Berg
2012-11-06 15:34 ` Eddie Chapman
2012-11-06 15:54 ` Johannes Berg
2012-11-06 16:23 ` Eddie Chapman
2012-11-06 16:39 ` Johannes Berg
2012-11-06 16:47 ` Johannes Berg
2012-11-06 16:50 ` Eddie Chapman
2012-11-06 16:55 ` Johannes Berg
2012-11-06 16:57 ` Johannes Berg
2012-11-06 17:07 ` Eddie Chapman
2012-11-06 17:16 ` Johannes Berg
2012-11-06 18:59 ` Eddie Chapman
2012-11-06 19:20 ` Johannes Berg
2012-11-06 19:35 ` Eddie Chapman
2012-11-06 20:31 ` Johannes Berg
2012-11-06 20:38 ` Eddie Chapman
2012-11-07 7:36 ` Greg KH
2012-11-07 7:53 ` Johannes Berg
2012-11-07 8:09 ` Greg KH
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