Return-path: Received: from wa-out-1112.google.com ([209.85.146.182]:31480 "EHLO wa-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751700AbYF1AqR (ORCPT ); Fri, 27 Jun 2008 20:46:17 -0400 Received: by wa-out-1112.google.com with SMTP id j37so471534waf.23 for ; Fri, 27 Jun 2008 17:46:17 -0700 (PDT) Message-ID: <1ba2fa240806271746m15f967edj5693e2a6eecf15e2@mail.gmail.com> (sfid-20080628_024624_745878_80AE3442) Date: Sat, 28 Jun 2008 03:46:16 +0300 From: "Tomas Winkler" To: "Luis R. Rodriguez" Subject: Re: compat-wireless high packet loss. Cc: "Johannes Berg" , "David Miller" , "John W. Linville" , "Linux Wireless" , "Emmanuel Grumbach" , "Cohen, Guy" In-Reply-To: <43e72e890806271300m626f67ayabf43fa02fe239b8@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 References: <1ba2fa240806261603g30c3e757y9166c2f9e05f7666@mail.gmail.com> <43e72e890806271300m626f67ayabf43fa02fe239b8@mail.gmail.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: On Fri, Jun 27, 2008 at 11:00 PM, Luis R. Rodriguez wrote: > On Thu, Jun 26, 2008 at 4:03 PM, Tomas Winkler wrote: >> We've experienced very high packet loss when using latest >> compat-wireless witth iwlwifi driver over 2.6.24 and 2.6.25 stable >> kernels. This is not happening with 2.6.26-rc3 as a target kernel (not >> sure about rc1 and rc2) >> The traffic is UDP TX with large tx buffers ~26000. >> We are still investigating yet if someone has any idea please share with us. > > I can't think of anything off the top of my head, really... This is something in the network stack. This is also happening with ethernet USB devices. Something between 2.6.25 and 2.6.26-rc3 has fixed it. Have to find what otherwise all the compat-wireless will be unusable for us Thanks for the answer anyway. Tomas.