From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CDBD1C433DB for ; Sun, 14 Mar 2021 12:10:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 99BBC64EC0 for ; Sun, 14 Mar 2021 12:10:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235181AbhCNMJ2 (ORCPT ); Sun, 14 Mar 2021 08:09:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51816 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235205AbhCNMJK (ORCPT ); Sun, 14 Mar 2021 08:09:10 -0400 Received: from mail.sf-mail.de (mail.sf-mail.de [IPv6:2a01:4f8:1c17:6fae:616d:6c69:616d:6c69]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 40B47C061574 for ; Sun, 14 Mar 2021 05:09:09 -0700 (PDT) Received: (qmail 18938 invoked from network); 14 Mar 2021 12:08:25 -0000 Received: from p548d5418.dip0.t-ipconnect.de ([::ffff:84.141.84.24]:60756 HELO daneel.sf-tec.de) (auth=eike@sf-mail.de) by mail.sf-mail.de (Qsmtpd 0.37dev) with (TLS_AES_256_GCM_SHA384 encrypted) ESMTPSA for ; Sun, 14 Mar 2021 13:08:25 +0100 From: Rolf Eike Beer To: linux-parisc Subject: Re: Cycle offset is larger than allowed by the 'jiffies' clock's max_cycles value Date: Sun, 14 Mar 2021 13:08:54 +0100 Message-ID: <2191464.ElGaqSPkdT@daneel.sf-tec.de> In-Reply-To: References: <11708426.O9o76ZdvQC@eto.sf-tec.de> <2573804.mvXUDI8C0e@daneel.sf-tec.de> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart4608301.GXAFRqVoOG"; micalg="pgp-sha1"; protocol="application/pgp-signature" Precedence: bulk List-ID: X-Mailing-List: linux-parisc@vger.kernel.org --nextPart4608301.GXAFRqVoOG Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="iso-8859-1" Am Sonntag, 14. M=E4rz 2021, 12:16:11 CET schrieben Sie: > On 3/14/21 10:47 AM, Rolf Eike Beer wrote: > > Am Mittwoch, 3. M=E4rz 2021, 15:29:42 CET schrieb Helge Deller: > >> On 3/1/21 7:44 PM, Rolf Eike Beer wrote: > >>> Am Montag, 1. M=E4rz 2021, 17:49:42 CET schrieb Rolf Eike Beer: > >>>> Am Montag, 1. M=E4rz 2021, 17:25:18 CET schrieb Rolf Eike Beer: > >>>>> After upgrade to 5.11 get this multiple times per second on my C800= 0: > >>>>>=20 > >>>>> [ 36.998702] WARNING: timekeeping: Cycle offset (29) is larger th= an > >>>>> allowed by the 'jiffies' clock's max_cycles value (10): time overfl= ow > >>>>> danger [ 36.998705] timekeeping: Your kernel is sick, but > >>>>> tries > >>>>> to cope by capping time updates > >>=20 > >> I know I have seen this at least once with a 32-bit kernel in qemu as > >> well.... > >>=20 > >>>> Not 5.11, but 5.10.11. 5.10.4 is fine. It could be a bad upgrade > >>>> attempt, > >>>> I'll retry once I have built a proper 5.11 kernel. > >>>=20 > >>> Ok, it's there also in 5.11.2: > >> You don't see it in 5.11, but in 5.11.2. > >> Sadly none of the changes between those versions seem related > >> to this problem. > >>=20 > >> Do you still see this? > >> I'd like to get it anaylzed/fixed. > >=20 > > Me too. What do you need? >=20 > I actually don't know. > First of all it would be great if we could reproduce it. > Right now I don't see this issue any longer, so I have nowhere to start > from. I get it every time if I boot that kernel. Eike --nextPart4608301.GXAFRqVoOG Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part. Content-Transfer-Encoding: 7Bit -----BEGIN PGP SIGNATURE----- iF0EABECAB0WIQSaYVDeqwKa3fTXNeNcpIk+abn8TgUCYE381gAKCRBcpIk+abn8 ToK/AJ9lWg0Y5mkvP6mAZBgUaBY8mOW0vwCffBHNcCe+IpNRf5vK+TN3M9T79lE= =c7w6 -----END PGP SIGNATURE----- --nextPart4608301.GXAFRqVoOG--