Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264879AbUAVUD6 (ORCPT ); Thu, 22 Jan 2004 15:03:58 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264942AbUAVUD6 (ORCPT ); Thu, 22 Jan 2004 15:03:58 -0500 Received: from [199.45.143.209] ([199.45.143.209]:42248 "EHLO 199.45.143.209") by vger.kernel.org with ESMTP id S264879AbUAVUDz (ORCPT ); Thu, 22 Jan 2004 15:03:55 -0500 Subject: Re: Strange pauses in 2.6.2-rc1 / AMD64 From: Zan Lynx To: Aaron Mulder Cc: Brandon Ehle , Linux Kernel Mailing List In-Reply-To: References: Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-CXjeh94AhW6BMMzJ+oFb" Message-Id: <1074801826.10610.3.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.5 (1.4.5-7) Date: Thu, 22 Jan 2004 13:03:46 -0700 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1867 Lines: 50 --=-CXjeh94AhW6BMMzJ+oFb Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Thu, 2004-01-22 at 12:36, Aaron Mulder wrote: > Thanks for the tip. Unfortunately, disabling Legacy USB Support > didn't stop the pauses for me. It's weird -- if I lay off the mouse, the > CPU goes to 99.7-100% idle, the load goes to 0, and top shows only 1 > running task (presumably top itself). Every little while, Java will wake > up and do some more work, then go to sleep again. It seems to happen > during the "jarsigner" phase of the Java build (there are about 20 > invocations of that), and it may be launching a new process to sign each > JAR, I'm not sure. This last time, I noticed that Java woke up briefly > when Mozilla hit the top list. It just seems to need some kind of > external stimulus. Keyboard doesn't do it. FYI, I have no USB devices > connected at the moment. >=20 > Thanks, > Aaron jarsigner might be waiting on /dev/random for some cryptographically random bytes. One source of randomness is mouse interrupts. If that's the case though, I'm surprised that the keyboard doesn't work. Does that motherboard have support for a random generator chip? If so, try loading that module in. --=20 Zan Lynx --=-CXjeh94AhW6BMMzJ+oFb Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (GNU/Linux) iD8DBQBAECygG8fHaOLTWwgRAhugAKCMktCG2h7hezYgFLmdZ+5YH/mz7ACfQdvX CKftqEAE0hqOLI/J9Q2n14Y= =iK5n -----END PGP SIGNATURE----- --=-CXjeh94AhW6BMMzJ+oFb-- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/