From: Sujith <m.sujith@gmail.com>
To: Daniel Halperin <dhalperi@cs.washington.edu>
Cc: linux-wireless@vger.kernel.org
Subject: bug: 2 second wireless stall on ath9k link
Date: Thu, 5 May 2011 07:12:54 +0530 [thread overview]
Message-ID: <19906.158.278401.536454@gargle.gargle.HOWL> (raw)
In-Reply-To: <BANLkTinJK3B_dcX4Qmuo=hC5j654YLLmCA@mail.gmail.com>
Daniel Halperin wrote:
> Hi,
>
> I have two identical Dell Inspiron 530n desktops running latest w-t
> (07e789c5094735747b3df8a7840f61467575ba9e, master 2011-05-04) on
> Ubuntu 10.04.2 LTS. I have uninstalled network-manager from both
> devices and, as far as I can tell, no software processes or daemons
> interfere with my wireless configurations.
>
> The AP machine has an AR9280-based device and an IWL5300 based device.
> I blacklist ath9k and iwlagn modules from loading on boot. It is
> running latest hostap.git, though I've seen the same issue with older
> versions.
>
> The client machine has one AR9380-based NIC, one IWL5300-based NIC,
> and one RT2800pci NIC. I blacklist ath9k, iwlagn, and rt2800pci from
> loading on boot.
>
> When I set up the client to connect (using iwconfig essid) to the AP
> (no encryption, channel 48 with HT40-) and run iperf, I sometimes see
> 2-second drops of the connection. I run iperf to generate elastic TCP
> flows that see ~150 Mbps, and in parallel I run ping <AP> -i 0.2.
> Here's the ping log:
Your timing couldn't be better. :)
https://patchwork.kernel.org/patch/753862/
Sujith
next prev parent reply other threads:[~2011-05-05 1:40 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-04 23:42 bug: 2 second wireless stall on ath9k link Daniel Halperin
2011-05-05 0:06 ` Daniel Halperin
2011-05-05 1:42 ` Sujith [this message]
2011-05-05 1:50 ` Sujith
2011-05-05 2:05 ` Daniel Halperin
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