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[209.132.180.67]) by mx.google.com with ESMTP id u189-v6si4497013pfu.143.2018.07.04.14.02.52; Wed, 04 Jul 2018 14:03:07 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=fail header.i=@gmail.com header.s=20161025 header.b="Zo6G/wLC"; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752881AbeGDVCP (ORCPT + 99 others); Wed, 4 Jul 2018 17:02:15 -0400 Received: from mail-lj1-f196.google.com ([209.85.208.196]:36004 "EHLO mail-lj1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752653AbeGDVCO (ORCPT ); Wed, 4 Jul 2018 17:02:14 -0400 Received: by mail-lj1-f196.google.com with SMTP id u7-v6so2510717lji.3 for ; Wed, 04 Jul 2018 14:02:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to:cc; bh=JQ+vK3gb9doFim7cCNUiCVpg3JI8ozceUn+hYPi/8Jc=; b=Zo6G/wLCHtzt4oHFzA9rWRkvIrny/sZaOvk4j/XrHX2oRSVLo39FyBfmLUz7wol26C NkNA0XvRC15iResFteW4+YCicJwEC24nCAyc9wnjhX+35VRpV2K0wwt5w49tihQDBoLi 1+1RSXemWOMcjrqcTGD31+73xMsqxQ/x2b+faW3iKjieHpOADh5QlTbOQg0Kc0keXyrn g8m7bb7yRIpEUUqWv4JISCTo+gnYkaUXuggtkd33/DFNMX549Eie56646cak/eXJNupC TNDWo2mHsPFwlavNiMEg+44tSMhbmUbvq8WMyDR7jENY34YgmVMGSq3Qs4uEyO4gVzkb KS3A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:sender:in-reply-to:references:from :date:message-id:subject:to:cc; bh=JQ+vK3gb9doFim7cCNUiCVpg3JI8ozceUn+hYPi/8Jc=; b=Ma/n1OYUMyYLD0BtO8842srWOFeTNoJCcQmpf6PbAQlXEhfvsG2dTFRKJ8LKwQxIzn eCn8Tm8yqpe4e/WHbROZRHfYJEA3J6AQUilfFxn3pBfhIRYbitEx1czQGQfPbyRrWHjU gRphPO2GpDt+2VZ7ZaJAQSuyYbt5tJRm5inD4Bs1aHsL4hWj/k9zF7df+2xblfecN7sZ GGQYntsUqRzxZ1s8bf3u4hXKb63iN4XTj0IcfD1BqIJQsB+TfCm3xMnF3bLVm4dmZD8Z o+TIiEO4//RQUmsvm0OPtjq57LtLBwBPJWaeJyplM5uVmMKBj0GVpXwk9HrEcbjzbVVa gItw== X-Gm-Message-State: APt69E2Sj6qQomL6nkDSD2iGYbGwnPCnJjO/LpEmexRohi8f/VXPW+Xq BkbNI0oE/s9dFqwraEi8vOXnDAj6nvq1MDnyGzUkYTfu X-Received: by 2002:a2e:5bc8:: with SMTP id m69-v6mr2451376lje.115.1530738132996; Wed, 04 Jul 2018 14:02:12 -0700 (PDT) MIME-Version: 1.0 Received: by 2002:a2e:41c1:0:0:0:0:0 with HTTP; Wed, 4 Jul 2018 14:02:12 -0700 (PDT) In-Reply-To: References: From: Arnd Bergmann Date: Wed, 4 Jul 2018 23:02:12 +0200 X-Google-Sender-Auth: viC71WsK8P74STNrisd-SYEHa0A Message-ID: Subject: Re: 4.18-rc* regression: x86-32 troubles (with timers?) To: Meelis Roos Cc: Linux Kernel list Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jul 4, 2018 at 1:41 PM, Meelis Roos wrote: > I tried 4.18.0-rc1-00023-g9ffc59d57228 and now > 4.18.0-rc3-00113-gfc36def997cf on a 32-bit server and then some other > 32-bit machines, and got half-failed bootup - kernel and userspace come > up but some services fail to start, including network and > systemd-journald: > > systemd-journald[85]: Assertion 'clock_gettime(map_clock_id(clock_id), &ts) == 0' failed at ../src/basic/time-util.c:53, function now(). Aborting. > > I then tried multiple other machines. All x86-64 machines seem > unaffected, some x86-32 machines are affected (Athlon with AMD750 > chipset, Fujitsu RX100-S2 with P4-3.4, and P4 with Intel 865 chipset), > some very similar x86-32 machines are unaffected. I have different > customized kernel configuration on them, so far I have not pinpointed > any configuration option to be at fault. > > All machines run Debian unstable. > > 4.17.0 was working fine. > > Will continue with bisecting between 4.17.0 and > 4.18.0-rc1-00023-g9ffc59d57228. That does sound like it is related to my patches indeed. If you are not yet done bisecting, please checkout commit e27c49291a7f ("x86: Convert x86_platform_ops to timespec64") before you try anything else, that one is the top of the branch with my changes. If that fails, the bisection will be much quicker. Unfortunately I don't see anything right away, and haven't come across that bug in my own testing using Debian Stretch in an x86-32 qemu. Arnd