linux-kernel - Re: iwlagn is getting very shaky

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Date:	Wed, 9 Nov 2011 09:15:48 +0200
From:	Emmanuel Grumbach <egrumbach@...il.com>
To:	Norbert Preining <preining@...ic.at>
Cc:	"Guy, Wey-Yi" <wey-yi.w.guy@...el.com>,
	David Rientjes <rientjes@...gle.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"ipw3945-devel@...ts.sourceforge.net" 
	<ipw3945-devel@...ts.sourceforge.net>,
	"ilw@...ux.intel.com" <ilw@...ux.intel.com>,
	"linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
	Pekka Enberg <penberg@...helsinki.fi>
Subject: Re: iwlagn is getting very shaky

> 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 !
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