From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from charlotte.tuxdriver.com ([70.61.120.58]:45071 "EHLO smtp.tuxdriver.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754564Ab0IBN3p (ORCPT ); Thu, 2 Sep 2010 09:29:45 -0400 Date: Thu, 2 Sep 2010 09:18:29 -0400 From: "John W. Linville" To: "Luis R. Rodriguez" Cc: linux-wireless Subject: Re: WARNING: at net/mac80211/tx.c:653 ieee80211_tx_h_rate_ctrl+0x460 Message-ID: <20100902131828.GA6802@tuxdriver.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: Sender: linux-wireless-owner@vger.kernel.org List-ID: On Wed, Sep 01, 2010 at 04:45:46PM -0700, Luis R. Rodriguez wrote: > Just hit this > > /* > * Lets not bother rate control if we're associated and cannot > * talk to the sta. This should not happen. > */ > if (WARN(test_bit(SCAN_SW_SCANNING, &tx->local->scanning) && > (sta_flags & WLAN_STA_ASSOC) && > !rate_usable_index_exists(sband, &tx->sta->sta), > "%s: Dropped data frame as no usable bitrate found while " > "scanning and associated. Target station: " > "%pM on %d GHz band\n", > tx->sdata->name, hdr->addr1, > tx->channel->band ? 5 : 2)) > return TX_DROP; Also seeing that here: https://bugzilla.redhat.com/show_bug.cgi?id=606393 "I surmise that the device is exiting dynamic power saving mode and attempting to transmit a frame to notify the AP that it is awake. Instead, it is hitting this check in ieee80211_tx_h_rate_ctrl". -- me John -- John W. Linville Someday the world will need a hero, and you linville@tuxdriver.com might be all we have. Be ready.