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SubjectRe: wifi iwlagn fails to authenticate after wake from suspend
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On Sun, 2011-12-11 at 22:36 -0800, Matías Aguirre wrote:
> Hi,
>
> On Sat, Oct 29, 2011 at 2:32 AM, Gene Smith <gds@chartertn.net> wrote:
> > David Rientjes wrote, On 10/26/2011 02:27 AM:
> >> So we need to bisect between 2.4.38 and 3.0.0? :) I'm running ubuntu
> >> 11.10 on a home laptop so I'll give this a try as well when I can if I can
> >> put up with unity for that long.
>
> I've bisected the problem and narrowed the bug to changeset 73b78a2272
> (http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commit;h=73b78a22720087d2d384bdd49e9c25500ba73edd).
>
> Here's a patch, that applies against 3.2-rc5, that fixed the error for me:
>
> diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c
> b/drivers/net/wireless/iwlwifi/iwl-agn.c
> index bacc06c..01d5d38 100644
> --- a/drivers/net/wireless/iwlwifi/iwl-agn.c
> +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
> @@ -1297,7 +1297,7 @@ int iwl_alive_start(struct iwl_priv *priv)
> BT_COEX_PRIO_TBL_EVT_INIT_CALIB2);
> if (ret)
> return ret;
> - } else {
> + } else if (priv->cfg->bt_params) {
> /*
> * default is 2-wire BT coexexistence support
> */
this is not right, you stop the bt coex for non-combo device.
maybe you system has issue with BT, we seen this happen on some cases.
try the following module parameter and see if help

$sudo modprobe iwlagn bt_coex_active=0

Thanks
Wey

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