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=-2.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 059AAC433DF for ; Wed, 20 May 2020 21:15:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D5984207E8 for ; Wed, 20 May 2020 21:15:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="BCAmoV5X" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728182AbgETVP5 (ORCPT ); Wed, 20 May 2020 17:15:57 -0400 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:40447 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726892AbgETVP4 (ORCPT ); Wed, 20 May 2020 17:15:56 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1590009354; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=nn5uBihfGYPam0z7Bth4Bg/2LeoczkcBonH1Rf5fkTY=; b=BCAmoV5Xq4WTLWlCll/NnnYt6k4dcsYUKoWhjcG/2sfS0FVNxrnHwlxZK6klarUt0Oe7bS huaJNvgOxPpPVnFMfrkx+H2zDBlV8omNK4MVueoTKOCOu/U/WNiCAweyzpiiFH2n2SRcpE GAWGUnaXz8hD7r6Ic3odt5T/oAzBZFw= Received: from mail-ed1-f69.google.com (mail-ed1-f69.google.com [209.85.208.69]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-508-mXgtR43LNCi8Dr10lA2_vQ-1; Wed, 20 May 2020 17:15:53 -0400 X-MC-Unique: mXgtR43LNCi8Dr10lA2_vQ-1 Received: by mail-ed1-f69.google.com with SMTP id c10so1799133edw.17 for ; Wed, 20 May 2020 14:15:52 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=nn5uBihfGYPam0z7Bth4Bg/2LeoczkcBonH1Rf5fkTY=; b=UWEZk0HKafQ0mhV40d154Q9JUIBz3CeqCq6af7DAz/lVmYkqoDK3mdsgawf9cQEfnI 5dCcHo7j3F1/zGPkrQ9tjgAMb6GTbVixYzWO2mKYVd0SAzHrh4D1ENyeiYr08LyWOEou mrcmXa1Lp4K+kt2pkZMc4pe1cqNqCRqI09NfGCrIuCAGL9NfC43pcn9PSULa2i2gpMWT /OVqEed49lHIWcAAYyIxCB+GFp6q2AXjMbDc4PUIoig9qOqJlLCp+QXcrvcuWggMcjfV lGijSpxNo8vUADM0IKY5A3s81uLHjqVqRZB1y41D1CUusXA7tmC7R0GnNeL8jGNgGxf6 2TWg== X-Gm-Message-State: AOAM532l4QYEYt8/z6trd2LlSaJmTjejyO2NYAH+hav/46rG+Tx17BFo rxv/VEmibwDVZ1ki34AjzdyrHuzLi9o/+8Fw72SN2ABII24v29smQTRsp8qPMlOTFr3rqeDwI3/ +IqXuLOH4DtSIILErBM3OqxaT X-Received: by 2002:a17:906:298a:: with SMTP id x10mr893227eje.238.1590009351884; Wed, 20 May 2020 14:15:51 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyP+T4UQY4+ZFFK7rI3puH/bbF9P484sU4hk3mzrt0kP4DghamnJ1GKfP2P9zAY21b+8eR5zA== X-Received: by 2002:a17:906:298a:: with SMTP id x10mr893215eje.238.1590009351702; Wed, 20 May 2020 14:15:51 -0700 (PDT) Received: from ?IPv6:2001:b07:6468:f312:1c48:1dd8:fe63:e3da? ([2001:b07:6468:f312:1c48:1dd8:fe63:e3da]) by smtp.gmail.com with ESMTPSA id 89sm2898493edr.12.2020.05.20.14.15.50 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 20 May 2020 14:15:51 -0700 (PDT) Subject: Re: [PATCH 00/24] KVM: nSVM: event fixes and migration support To: Maxim Levitsky , linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: vkuznets@redhat.com, Joerg Roedel References: <20200520172145.23284-1-pbonzini@redhat.com> <6b8674fa647d3b80125477dc344581ba7adfb931.camel@redhat.com> <2401913621cc7686d71f491ef55f30f78ebbb2eb.camel@redhat.com> From: Paolo Bonzini Message-ID: <81f6d5ce-b412-31f8-e750-67d4a06a5357@redhat.com> Date: Wed, 20 May 2020 23:15:50 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 MIME-Version: 1.0 In-Reply-To: <2401913621cc7686d71f491ef55f30f78ebbb2eb.camel@redhat.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 20/05/20 23:08, Maxim Levitsky wrote: >> IIRC you said that the bug appeared with the vintr rework, and then went >> from hang to #DE and now back to hang? And the hang is reported by L2, >> not L1? > Yes, and now the hang appears to be deterministic. Ok, that's actually progress. Also because we can write a testcase. Paolo