Return-path: Received: from mga11.intel.com ([192.55.52.93]:63414 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751899Ab0DTQyD (ORCPT ); Tue, 20 Apr 2010 12:54:03 -0400 Subject: Re: iwl3945: Error sending REPLY_{RXON|SCAN_CMD|TX_PWR_TABLE_CMD} time out after 500ms From: reinette chatre To: "sedat.dilek@gmail.com" Cc: wireless , "Berg, Johannes" In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Date: Tue, 20 Apr 2010 09:54:02 -0700 Message-ID: <1271782442.14052.19698.camel@rchatre-DESK> Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: Hi, On Sat, 2010-04-17 at 07:05 -0700, Sedat Dilek wrote: > I have already sent an bug-report "iwl3945: Network dropouts w/ > flash-stream in firefox" in [1]. > Unfortunately, the problem still remains, especially when > fast-forwarding flash movies in firefox-3.6.3. > It seems the wifi-card is hanging and my system needs a coldstart. Is this a recent problem? How regularly do you update your kernel? > > The kernel I use is a Linux-2.6.34-rc4-git4 with these 3 patches in addition: Where can I access this kernel's git repo? > According to Johannes (on IRC) iwl3945 doesn't use internal scans yet > (see my patch below). > Thus, I am not sure if this needs to be fixed separately for iwl3945 > and if I ran into a scan race condition here. Does this patch make any difference for you? > Hope, this helps. It does. Thank you. As a sanity check, could you please try this patch? diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index c8cd169..1ad15bd 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -814,7 +814,7 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata) changed |= BSS_CHANGED_ASSOC; sdata->vif.bss_conf.assoc = false; - ieee80211_set_wmm_default(sdata); + /*ieee80211_set_wmm_default(sdata);*/ /* channel(_type) changes are handled by ieee80211_hw_config */ local->oper_channel_type = NL80211_CHAN_NO_HT;