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 8AC86C35250 for ; Mon, 10 Feb 2020 05:40:42 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 459ED20715 for ; Mon, 10 Feb 2020 05:40:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="iMWwi1GO" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 459ED20715 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id B8F7A6B00B6; Mon, 10 Feb 2020 00:40:41 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id B40166B00B7; Mon, 10 Feb 2020 00:40:41 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id A55CE6B00B8; Mon, 10 Feb 2020 00:40:41 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0050.hostedemail.com [216.40.44.50]) by kanga.kvack.org (Postfix) with ESMTP id 8B7006B00B6 for ; Mon, 10 Feb 2020 00:40:41 -0500 (EST) Received: from smtpin16.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 4CC0F1F1B for ; Mon, 10 Feb 2020 05:40:41 +0000 (UTC) X-FDA: 76473117882.16.pets28_22f948b835860 X-HE-Tag: pets28_22f948b835860 X-Filterd-Recvd-Size: 2912 Received: from us-smtp-delivery-1.mimecast.com (us-smtp-1.mimecast.com [205.139.110.61]) by imf25.hostedemail.com (Postfix) with ESMTP for ; Mon, 10 Feb 2020 05:40:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1581313239; 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=lvQ8au3jLT4Zvw53vkNanRymJyGRseZ66z3T00yeH8E=; b=iMWwi1GOgiHjRLmXsXzljlkpMHCCaG0YxZrBhrYdc6dmO8oIj6IX3gGICpyEbPuM9cj6/8 f9icbwVVwIxMRCb/a1eQXs1RGf7qPrVdAfwAjoa7YJPgg9EENsVQ1h+JSpcD7Nj/ei2Hsx yev3HgfgUptMwuVNoxNFfU67YSt4+UE= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-100-r7CwirgKM3OHGBjv_0cr7A-1; Mon, 10 Feb 2020 00:40:34 -0500 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 56171800D48; Mon, 10 Feb 2020 05:40:33 +0000 (UTC) Received: from localhost (ovpn-12-27.pek2.redhat.com [10.72.12.27]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 0C0035C1D6; Mon, 10 Feb 2020 05:40:29 +0000 (UTC) Date: Mon, 10 Feb 2020 13:40:27 +0800 From: Baoquan He To: Andrew Morton Cc: David Hildenbrand , Michal Hocko , Naoya Horiguchi , linux-mm@kvack.org Subject: Re: [Bug 206401] kernel panic on Hyper-V after 5 minutes due to memory hot-add Message-ID: <20200210054027.GI26758@MiWiFi-R3L-srv> References: <20200209213217.73abdc867faec8c359e2ba08@linux-foundation.org> MIME-Version: 1.0 In-Reply-To: <20200209213217.73abdc867faec8c359e2ba08@linux-foundation.org> User-Agent: Mutt/1.10.1 (2018-07-13) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-MC-Unique: r7CwirgKM3OHGBjv_0cr7A-1 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Content-Disposition: inline X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hi Andrew, On 02/09/20 at 09:32pm, Andrew Morton wrote: > On Tue, 04 Feb 2020 11:25:48 +0000 bugzilla-daemon@bugzilla.kernel.org wr= ote: >=20 > > https://bugzilla.kernel.org/show_bug.cgi?id=3D206401 > >=20 >=20 > An oops during mem hotadd. Could someone please take a look when > convenient? This has been addressed by Wei Yang's patch, please check it here: http://lkml.kernel.org/r/20200209104826.3385-7-bhe@redhat.com Thanks Baoquan