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[23.128.96.18]) by mx.google.com with ESMTP id t16si195690ejs.182.2020.05.29.05.36.34; Fri, 29 May 2020 05:36:57 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=temperror (no key for signature) header.i=@szeredi.hu header.s=google header.b=dYNCwrc6; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726459AbgE2MeJ (ORCPT + 99 others); Fri, 29 May 2020 08:34:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50734 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726052AbgE2MeI (ORCPT ); Fri, 29 May 2020 08:34:08 -0400 Received: from mail-ed1-x541.google.com (mail-ed1-x541.google.com [IPv6:2a00:1450:4864:20::541]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 939F4C08C5C6 for ; Fri, 29 May 2020 05:34:07 -0700 (PDT) Received: by mail-ed1-x541.google.com with SMTP id l1so759322ede.11 for ; Fri, 29 May 2020 05:34:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=szeredi.hu; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=cPeigCK2KYvMiq+sG6KOj8Q7ndlYO2BcnUQP68RJYdw=; b=dYNCwrc6IlS6OKS+HOUMs4HsVIYIFLl3Gqz0TZPCqS9Ciejf3uEtVff4+mgBC61GXT NJ/hJPkBr8k58Qzihx7KUMfArdD71UUqclR2W/iM9FLIOLjMEXLVyv6plFqv1dWzEWQ9 /hOfJz1qPlzSRqe7UWMHr1HOday4CmE9WpEpc= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=cPeigCK2KYvMiq+sG6KOj8Q7ndlYO2BcnUQP68RJYdw=; b=NqDf/jIrBQfa6uIJZ3/+a1+Q4jTea+mry0hXCWpvdWhxe2/dbQ4e4ssntXjkNMndv4 jhz1sAB9nn3HmVOECNvfgnMZmhj6x8/UK9h1oa/f0N5N+5rfwrbbKdMMZtkqa9C2iszP PqmQS5C/T30jjnrVuDNtHRJkE+fQEFpNWA7XPU9HV8p2FUE8ap3493nkCISyS+piysG9 3BzJiO3p7xfSXuZYd49Pb5MA0RXKriIaJs4WDEcfbAPn+P/1MlXTpXREdR/Hu0z5LGBF F9qnPgl0QbSxZU2M8c174k3gfXLq82lfL+SHvJDRJ+X0MM5UYbcvC7tKtKZmamAmpLPv nN2w== X-Gm-Message-State: AOAM533+g/ptCtILy4VNRqngHqBS45URfUGwBRD9pi1FrsGvSs7mXrQp M8RuPTKkFd4aYxEar19dBpz2GN9qnol/t4qskP/Kcg== X-Received: by 2002:a05:6402:17f9:: with SMTP id t25mr8224125edy.134.1590755646368; Fri, 29 May 2020 05:34:06 -0700 (PDT) MIME-Version: 1.0 References: <875zcfoko9.fsf@nanos.tec.linutronix.de> <87r1v3lynm.fsf@nanos.tec.linutronix.de> In-Reply-To: From: Miklos Szeredi Date: Fri, 29 May 2020 14:33:55 +0200 Message-ID: Subject: Re: system time goes weird in kvm guest after host suspend/resume To: Thomas Gleixner Cc: kvm@vger.kernel.org, Paolo Bonzini , Vincenzo Frascino , Juergen Gross , linux-kernel@vger.kernel.org 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 Fri, May 29, 2020 at 2:31 PM Miklos Szeredi wrote: > > Can you please describe the setup of this test? > > > > - Host kernel version 5.5.16-100.fc30.x86_64 > > - Guest kernel version 75caf310d16c ("Merge branch 'akpm' (patches from Andrew)") > > - Is the revert done on the host or guest or both? Guest. > > - Test flow is: > > > > Boot host, start guest, suspend host, resume host, guest is screwed > > > > correct? > > Yep. > > Thanks, > Miklos