linux-kernel - Re: iwlagn is getting very shaky

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Date:	Tue, 22 Nov 2011 09:45:58 +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 Tue, Nov 22, 2011 at 09:27, Norbert Preining <preining@...ic.at> wrote:
> HI Emmanuel,
>
> On Di, 22 Nov 2011, Emmanuel Grumbach wrote:
>> Please apply the patch attached. It has been submitted upstream but
>> hasn't been merged in the tree you use apparently.
>
> Does not apply against current git, as there is no iwl-mac80211.c:
> [/usr/src/git-kernel/linux.git] patch -p1 --dry-run < ~/QUEUE_DEBUG.patch
> patching file drivers/net/wireless/iwlwifi/iwl-agn-rx.c
> patching file drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
> Hunk #1 succeeded at 116 (offset -1 lines).
> Hunk #2 succeeded at 840 (offset -4 lines).
> patching file drivers/net/wireless/iwlwifi/iwl-agn-tx.c
> Hunk #1 succeeded at 800 (offset -13 lines).
> patching file drivers/net/wireless/iwlwifi/iwl-debug.h
> Hunk #1 succeeded at 151 (offset -15 lines).
> Hunk #2 succeeded at 188 (offset -15 lines).
> can't find file to patch at input line 78
> Perhaps you used the wrong -p or --strip option?
> The text leading up to this was:
> --------------------------
> |diff --git a/drivers/net/wireless/iwlwifi/iwl-mac80211.c b/drivers/net/wireless/iwlwifi/iwl-mac80211.c
> |index 073e827..05b1f0d 100644
> |--- a/drivers/net/wireless/iwlwifi/iwl-mac80211.c
> |+++ b/drivers/net/wireless/iwlwifi/iwl-mac80211.c
> --------------------------
> File to patch:
>

Glad it applied
>
>> Then please run with set the TXQUEUES debug flag: 0x8000000.
>
> Is this a load options to iwlwifi module (debug=0x..... at module load time?)
> or has to be set in /sys/kernel/debug/ieee80211/phy?/iwlwifi/debug/*
> somewhere?
>

yes it is a module parameter: modprobe iwlwifi debug=0x80000000

>
>> Do you use any SoftAP / P2P feature ? HW queues can be stalled
>
> No. Fixed AP with fixed IP and no special adaptions.
>

Ok thanks
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