Return-path: Received: from ik-out-1112.google.com ([66.249.90.179]:6293 "EHLO ik-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752683AbYIWHWt (ORCPT ); Tue, 23 Sep 2008 03:22:49 -0400 Received: by ik-out-1112.google.com with SMTP id c30so1099850ika.5 for ; Tue, 23 Sep 2008 00:22:47 -0700 (PDT) Message-ID: (sfid-20080923_092254_319875_9AC549C4) Date: Tue, 23 Sep 2008 00:22:47 -0700 From: "Steven Noonan" To: "Luis R. Rodriguez" Subject: Re: [ath9k-devel] ath9k: massive unexplained latency in 2.6.27 (rc5, rc6, probably others) Cc: linux-wireless , LKML , "Senthilkumar Balasubramanian" , "ath9k-devel@lists.ath9k.org" , "Luis Rodriguez" , "Johannes Berg" , "Ingo Molnar" In-Reply-To: <43e72e890809220901y162636fu63ed133f0a0c235@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=KOI8-R References: <43e72e890809201426x61c94bfej2dcda1c178be81b@mail.gmail.com> <20080922065453.GD19580@tesla> <20080922080632.GA20446@tesla> <43e72e890809220901y162636fu63ed133f0a0c235@mail.gmail.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: T24gTW9uLCBTZXAgMjIsIDIwMDggYXQgOTowMSBBTSwgTHVpcyBSLiBSb2RyaWd1ZXoKPGxyb2Ry aWd1ZXpAYXRoZXJvcy5jb20+IHdyb3RlOgo+IE9uIE1vbiwgU2VwIDIyLCAyMDA4IGF0IDg6MTEg QU0sIFN0ZXZlbiBOb29uYW4gPHN0ZXZlbkB1cGxpbmtsYWJzLm5ldD4gd3JvdGU6Cj4+IE9uIE1v biwgU2VwIDIyLCAyMDA4IGF0IDE6MDYgQU0sIEx1aXMgUi4gUm9kcmlndWV6Cj4+IDxscm9kcmln dWV6QGF0aGVyb3MuY29tPiB3cm90ZToKPj4+IFBsZWFzZSB0ZXN0IHRoZSBmb2xsb3dpbmcgcGF0 Y2guCj4+Pgo+Pj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvbmV0L3dpcmVsZXNzL2F0aDlrL2NvcmUu YyBiL2RyaXZlcnMvbmV0L3dpcmVsZXNzL2F0aDlrL2NvcmUuYwo+Pj4gaW5kZXggYzI2MmVmMi4u OWE1MTczOSAxMDA2NDQKPj4+IC0tLSBhL2RyaXZlcnMvbmV0L3dpcmVsZXNzL2F0aDlrL2NvcmUu Ywo+Pj4gKysrIGIvZHJpdmVycy9uZXQvd2lyZWxlc3MvYXRoOWsvY29yZS5jCj4+PiBAQCAtNjgx LDEwICs2ODEsMTIgQEAgaW50IGF0aF9vcGVuKHN0cnVjdCBhdGhfc29mdGMgKnNjLCBzdHJ1Y3Qg YXRoOWtfY2hhbm5lbCAqaW5pdGlhbF9jaGFuKQo+Pj4gICAgICAgICAqIEVuYWJsZSBNSUIgaW50 ZXJydXB0cyB3aGVuIHRoZXJlIGFyZSBoYXJkd2FyZSBwaHkgY291bnRlcnMuCj4+PiAgICAgICAg ICogTm90ZSB3ZSBvbmx5IGRvIHRoaXMgKGF0IHRoZSBtb21lbnQpIGZvciBzdGF0aW9uIG1vZGUu Cj4+PiAgICAgICAgICovCj4+PiArI2lmIDAKPj4+ICAgICAgICBpZiAoYXRoOWtfaHdfcGh5Y291 bnRlcnMoYWgpICYmCj4+PiAgICAgICAgICAgICgoc2MtPnNjX2FoLT5haF9vcG1vZGUgPT0gQVRI OUtfTV9TVEEpIHx8Cj4+PiAgICAgICAgICAgICAoc2MtPnNjX2FoLT5haF9vcG1vZGUgPT0gQVRI OUtfTV9JQlNTKSkpCj4+PiAgICAgICAgICAgICAgICBzYy0+c2NfaW1hc2sgfD0gQVRIOUtfSU5U X01JQjsKPj4+ICsjZW5kaWYKPj4+ICAgICAgICAvKgo+Pj4gICAgICAgICAqIFNvbWUgaGFyZHdh cmUgcHJvY2Vzc2VzIHRoZSBUSU0gSUUgYW5kIGZpcmVzIGFuCj4+PiAgICAgICAgICogaW50ZXJy dXB0IHdoZW4gdGhlIFRJTSBiaXQgaXMgc2V0LiAgRm9yIGhhcmR3YXJlCj4+Pgo+Pgo+PiBJdCBk aWRuJ3QgYXBwbHkgdG8gLXJjNywgYnV0IEkgbWFuYWdlZCB0byBhcHBseSBpdCBtYW51YWxseQo+ PiAoYXBwYXJlbnRseSB5b3UgbWFkZSB0aGlzIGZvciB3aXJlbGVzcy10ZXN0aW5nPykgYW5kIGFk ZGVkIHRoZSAjaWYgMC4KPj4gQWZ0ZXIgNyBob3VycyB1cHRpbWUgd2l0aCB0aGUgZHJpdmVyLCBu byBhcHBhcmVudCBpbnRlcnJ1cHQgc3Rvcm0uCj4+Cj4+IEknbGwgZG8gbW9yZSB0aG9yb3VnaCB0 ZXN0aW5nIGxhdGVyLCBidXQgSSBoYXZlIGEgMyBob3VyIGRyaXZlIHRvZGF5LAo+PiBhbmQgc29t ZSBwYWNraW5nIHRvIGRvLCBzbyBpdCdsbCBuZWVkIHRvIHdhaXQgYSBiaXQuCj4KPiBZZWFoIEkg ZGlkIGl0IGZvciB3aXJlbGVzcy10ZXN0aW5nLiBHb29kIHRvIGhlYXIgdGhpcyBzbyBmYXIgaGFz Cj4gc29sdmVkIHRoZSBpc3N1ZS4gSSdsbCBwb3J0IGl0IHRvIDI3IGFuZCBwb3N0IGl0IG9uY2Ug SSBnZXQgeW91cgo+IGJsZXNzaW5ncyB0aGF0IHRoaXMgZml4ZWQgaXQgYnkgYSBUZXN0ZWQtYnku Cj4KCk9rYXkuIEknbSBpbiBTZWF0dGxlIG5vdy4KClllcywgaXQgc29sdmVkIHRoZSBpc3N1ZSwg YnV0IHN1cmVseSBhbiAjaWYgMCBpc24ndCBhIHByb3BlciBzb2x1dGlvbi4KV2hhdCdzIHRoZSBh Y3R1YWwgYnVnIGhlcmU/IEknbSBhZnJhaWQgdGhlIG1lYW5pbmcgb2Ygd2hhdCdzIGdvaW5nIG9u CmhlcmUgaXNuJ3QgZXhhY3RseSBpbnR1aXRpdmUuCgpBbHNvLCBJJ20gZG9pbmcgYW4gOCBob3Vy IHJ1biB3aXRoIHRoaXMgcGF0Y2ggdG9uaWdodC4gTWF5YmUgbW9yZSwKZGVwZW5kcyBvbiB3aGVu IEkgd2FrZSB1cC4gOykKCkkgdGhpbmsgaWYgdGhpcyByZXNvbHZlcyB0aGUgaXNzdWUgb24gdHdv IHNlcGFyYXRlIJc4IGhvdXIgcnVucywgaXQKc2hvdWxkIGJlIGNvbnNpZGVyZWQgdGhlIHNvbHV0 aW9uIHRvIHRoZSBpc3N1ZSwgdW5sZXNzIGl0IHJlc3VyZmFjZXMuCgotIFN0ZXZlbgo=