Return-path: Received: from nf-out-0910.google.com ([64.233.182.190]:50408 "EHLO nf-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751891AbYJSWwF (ORCPT ); Sun, 19 Oct 2008 18:52:05 -0400 Received: by nf-out-0910.google.com with SMTP id d3so799306nfc.21 for ; Sun, 19 Oct 2008 15:52:03 -0700 (PDT) Message-ID: (sfid-20081020_005212_067054_21583F7A) Date: Sun, 19 Oct 2008 18:52:03 -0400 From: "Andrew Lutomirski" To: "Tomas Winkler" Subject: Re: iwlagn: associating with AP causes kernel hiccup Cc: richard@scherping.de, "Frederik Himpe" , linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <1ba2fa240810191512i4c6ce748kd13d1671cc2a2ff6@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 References: <1224104363.19219.30.camel@rc-desk> <48F8AEF1.5030603@scherping.de> <1ba2fa240810171302h7dcc92acr18c060425c4a93d@mail.gmail.com> <48FA0C27.8010301@scherping.de> <48FB4FBE.2060909@myrealbox.com> <1ba2fa240810191512i4c6ce748kd13d1671cc2a2ff6@mail.gmail.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: On Sun, Oct 19, 2008 at 6:12 PM, Tomas Winkler wrote: > On Sun, Oct 19, 2008 at 5:18 PM, Andy Lutomirski wrote: >> Richard Scherping wrote: >>> >>> Tomas Winkler schrieb: > >> >> Amen. > Stable doesn't mean all components are stable, citation from Linus blog: > "It doesn't have to be perfect (and obviously no release ever is), but > it needs to be in reasonable shape" > > The fact is that some critical patches were rejected as not > regressions in rc cycle and probably need to be pushed to the stable > version now or distribution will merge them. > We gave more priority for testing 32 bit version so it is more stable > then 64 bit which got much less in house testing and we've missed many > issues there. The driver doesn't get full exposure till it's get to > the public in stable version therefore no bugs are opened in the rc > cycle so also are not fixed in the stable version. and unfortunately > there is no much system testing at all for what get's into merging > window. > Second the whole mac80211 stack didn't address fully MQ rewrite so > it's a bit shaky as well and this will be fact also in 2.6.28. OK. > > This driver has been available and more-or-less working for ages. >> What kernel am I supposed to run if I just want a stable system? Haven't >> found one yet, other than distro kernels... >> >> In any case, I've seen these complete system hiccups with iwl4965 and iwlagn >> since at least 2.6.25 and through quite a few wireless-testing versions. I >> bet that this, along with things like it, is the culprit: > > Haven't seen you've filled bug for it. Fair enough. #1790. > > Locking need to be really revised but till now I didn't see show > stoppers issues so it didn't get priority > >> Would I be out of line for wishing the iwlwifi developers > Patches are always welcome I can write a patch to add a mutex and change it to: take mutex grab_nic spinlock but I bet that would break all kinds of things. :) --Andy