Return-path: Received: from xc.sipsolutions.net ([83.246.72.84]:34355 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755447AbYIRSbO (ORCPT ); Thu, 18 Sep 2008 14:31:14 -0400 Subject: Re: ath9k: massive unexplained latency in 2.6.27 (rc5, rc6, probably others) From: Johannes Berg To: Steven Noonan Cc: linux-wireless , "Luis R. Rodriguez" In-Reply-To: (sfid-20080918_202314_494232_4DDE74DF) References: (sfid-20080918_202314_494232_4DDE74DF) Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-fAuC24B53vi1NTs8wk0q" Date: Thu, 18 Sep 2008 20:30:39 +0200 Message-Id: <1221762639.20772.5.camel@johannes.berg> (sfid-20080918_203118_530141_F18CEF79) Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: --=-fAuC24B53vi1NTs8wk0q Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Thu, 2008-09-18 at 11:23 -0700, Steven Noonan wrote: > I'm encountering a very odd issue which only seems to crop up while I > sleep at night.=20 Are you still sleeping well? ;) > In the morning, I go back to my Linux machine and > there's a ridiculously bad latency I immediately notice in Firefox's > redraw which I cannot explain. It looks as though something is just eating CPU time. Are you sure top isn't showing like 99% hi somewhere in the top? Like there: Cpu(s): 5.2%us, 3.6%sy, 0.0%ni, 90.8%id, 0.3%wa, 0.0%hi, 0.0%si, 0.0= %st ^^^^^^^ johannes --=-fAuC24B53vi1NTs8wk0q Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Comment: Johannes Berg (powerbook) iQIcBAABAgAGBQJI0p5MAAoJEKVg1VMiehFYWNUP/3NQ3CMUPkeiiDEfRQsobCqP CNTo6+a0Ie4HJdaGT+2OWaEWnjP8l6hgjS71MTZenOVYsEzS3MNdIg0e4jktR2QR 6oG8PlBbhpGbvFtU2DWTmbqR7GEUutCXasT0XMYp/ZUMXIeBhdf1iaqCREXi3wRg LYRalrJXdVJkWjbmom1dp/Smg7M5x2VYzitt6eahT16WorFkLPrqMKxJgSCW7PBP 6Rw0yMPKtoRsrGhmA3PLvikdosPGPqc3r8E7+e+GTI7dxlXFa5THJOvLr1YHVU6f sZUYHOgrVNyn+KutqCnmtT1rQGNFSKURt2G4gqQZfmIfoRG3fzsEGPcistU+kbZ6 5gjSb7nr7YdCeOyuXW9/ksMDlWsgrYex6LCobwSFm7YrbceFbp32b6+NWuQTLcCK PxpWxJjfbbDbcX9PTK6asWfBrwBhXEQ/nkOTM0GfZl6skvNR8IvfNHily88galt5 qMJ/zk4OvJXmfwN/vatQawAvugoIG3Pjsi6T4YUfC1KAB5gt7SwqlFWspRZIiJzr TYdm4hcmD4wZfKLG1CZnotmGu3JaYZIDgKEJaNhr4YIa3WYWHKlgqrNXTORkPXC9 7Bkxsn0FVModslVxaJLac/C6kM+ozYnv0FnaDiHRGkDW21GhxtREfHbZ5rpvsQxe qqssFBVx3c2f3ZtIhi2y =PJ4i -----END PGP SIGNATURE----- --=-fAuC24B53vi1NTs8wk0q--