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Date: Wed, 9 Nov 2011 09:15:48 +0200
Message-ID: <CANUX_P2Yz9bWP_EmU1Acs7Mu2w78CXxO-njhiMt97b0TJHFYiQ@mail.gmail.com> (sfid-20111109_081608_511162_6A3D5150)
Subject: Re: iwlagn is getting very shaky
From: Emmanuel Grumbach <egrumbach@gmail.com>
To: Norbert Preining <preining@logic.at>
Cc: "Guy, Wey-Yi" <wey-yi.w.guy@intel.com>,
	David Rientjes <rientjes@google.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"ipw3945-devel@lists.sourceforge.net"
	<ipw3945-devel@lists.sourceforge.net>,
	"ilw@linux.intel.com" <ilw@linux.intel.com>,
	"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
	Pekka Enberg <penberg@cs.helsinki.fi>
Content-Type: text/plain; charset=ISO-8859-1
Sender: linux-wireless-owner@vger.kernel.org

> On Di, 08 Nov 2011, Emmanuel Grumbach wrote:
> > I would like to see what happens in terms or power.
> > Please set the power debug flag: modprobe iwlwifi debug=0x100
>
> > It may be worth to disable Link Power save too. I would be glad if you
> > could try this patch (attached and inlined), with the power debug flag
> > set.
>
> With both done, I see things like that:
> [ ?690.597221] iwlwifi 0000:06:00.0: L1 Enabled; Disabling L0S
> [ ?690.601979] iwlwifi 0000:06:00.0: Radio type=0x1-0x2-0x0
> [ ?690.644716] iwlwifi 0000:06:00.0: U iwl_power_sleep_cam_cmd Sleep command for CAM
> [ ?690.644721] iwlwifi 0000:06:00.0: U iwl_set_power Sending power/sleep command
> [ ?690.644724] iwlwifi 0000:06:00.0: U iwl_set_power Flags value = 0x00000000
> [ ?690.644726] iwlwifi 0000:06:00.0: U iwl_set_power Tx timeout = 0
> [ ?690.644728] iwlwifi 0000:06:00.0: U iwl_set_power Rx timeout = 0
> [ ?690.644731] iwlwifi 0000:06:00.0: U iwl_set_power Sleep interval vector = { 0 , 0 , 0 , 0 , 0 }
> [ ?690.645649] iwlwifi 0000:06:00.0: U iwl_power_sleep_cam_cmd Sleep command for CAM
>
> Does this help you, or do you need more?
>

This look fine, thanks. I now would like to now if the bug reproduces
with these settings :-)
With these settings the NIC will stay up all the times, it can help.

Thanks !