Return-path: Received: from wa-out-1112.google.com ([209.85.146.182]:31663 "EHLO wa-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757232AbYGGVjg (ORCPT ); Mon, 7 Jul 2008 17:39:36 -0400 Received: by wa-out-1112.google.com with SMTP id j37so1469442waf.23 for ; Mon, 07 Jul 2008 14:39:34 -0700 (PDT) Message-ID: <1ba2fa240807071439n666abcd8od31bd51dd927dfa1@mail.gmail.com> (sfid-20080707_233956_210260_4FA29ACE) Date: Tue, 8 Jul 2008 00:39:34 +0300 From: "Tomas Winkler" To: "Andrew Lutomirski" Subject: Re: [BUG] iwl4965: huge latency and errors when unblocking the hardware rfkill Cc: linux-wireless@vger.kernel.org In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 References: Sender: linux-wireless-owner@vger.kernel.org List-ID: On Mon, Jul 7, 2008 at 9:56 PM, Andrew Lutomirski wrote: > This is wireless-testing c80200cd38c265da90f0d9d031ace84aa56b0453, pulled today. > > I have a Lenovo X61s with a physical rfkill switch (the kind that > slides between blocked and unblocked). > > If I turn off the hardware rfkill switch (set to block) while > associated, I lose the connection (obviously). If I turn it back on > again (set to unblock), I get a lot of latency (my mouse stops moving > for a second or two) and I sometimes get errors in the syslog like > this: > > iwl4965: Error sending REPLY_CT_KILL_CONFIG_CMD: time out after 500ms. > > The card fails to associate afterwards. If I tell network-manager to > turn off wireless, then block rfkill, then wait a few seconds, then > unblock it, then turn nm back on, everything works again. > > This seems like at least two different bugs: > > - iwl4965 causes latency. This latency issue has been reproducible > every time for me on 2.6.24-ubuntu_something, 2.5.25, wireless-compat > (recent), and current wireless-testing. > - iwl4965 doesn't work right after hard unblocking rfkill. > > I'm happy to do further troubleshooting and/or test patches. > > --Andy > -- > To unsubscribe from this list: send the line "unsubscribe linux-wireless" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > We have few RF kill fixes, just need to rebase them again after latest Henrique's patches. Hope to post them in next days. Thanks Tomas