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=-5.0 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_2 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 8B1D2C433DB for ; Wed, 10 Feb 2021 09:44:48 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 172EB64DDF for ; Wed, 10 Feb 2021 09:44:47 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 172EB64DDF Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=aepfle.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from list by lists.xenproject.org with outflank-mailman.83507.155584 (Exim 4.92) (envelope-from ) id 1l9m2t-0007O7-1K; Wed, 10 Feb 2021 09:44:27 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 83507.155584; Wed, 10 Feb 2021 09:44:27 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1l9m2s-0007O0-UX; Wed, 10 Feb 2021 09:44:26 +0000 Received: by outflank-mailman (input) for mailman id 83507; Wed, 10 Feb 2021 09:44:25 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1l9m2q-0007Nc-V8 for xen-devel@lists.xenproject.org; Wed, 10 Feb 2021 09:44:25 +0000 Received: from mo6-p01-ob.smtp.rzone.de (unknown [2a01:238:400:200::c]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id b371855c-e2e3-426f-b947-004003b55654; Wed, 10 Feb 2021 09:44:23 +0000 (UTC) Received: from sender by smtp.strato.de (RZmta 47.17.1 DYNA|AUTH) with ESMTPSA id 604447x1A9iK4O0 (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256 bits)) (Client did not present a certificate); Wed, 10 Feb 2021 10:44:20 +0100 (CET) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: b371855c-e2e3-426f-b947-004003b55654 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1612950262; s=strato-dkim-0002; d=aepfle.de; h=References:In-Reply-To:Message-ID:Subject:Cc:To:From:Date:Cc:Date: From:Subject:Sender; bh=aGi4uWZnydphFEovvX9Pq2z+hJHWZl0IERtuQfxUvmE=; b=iRtiPViGlYEa1WnD57aKKEgTsNpsSWQON68PTGb2nEdaPukR0ylA0JRZkvhVfV/VM6 pFCkjpXzVwuTs4fs64mqcecw/wFaVSuluVbwgID/rebdzFBoREo2HCe8q571W3Z4iFNp TkTrmyJDz+RG8UwoqJfVWqiYRO549ZU9aQVv82KR9cboiudcjb5Ad414hDd1Ojs8Nu4d X4+ksHwTxZEZ0FF/wH3jys99fLJYNmFnb3DzSuitKN33MXcoMLyLYuTsALds4ZlLkJnz be72Fg6xIN8izn5dSkIm2825Ggi9iAx0IWoI/u2FlUjcOzJgmInHuDJ/aTvLx0FhlnMd fZ1w== X-RZG-AUTH: ":P2EQZWCpfu+qG7CngxMFH1J+3q8wa/QLpd5ylWvMDXdoX8l8pYAcz5OTW+v4/A==" X-RZG-CLASS-ID: mo00 Date: Wed, 10 Feb 2021 10:44:13 +0100 From: Olaf Hering To: Ian Jackson Cc: Andrew Cooper , xen-devel@lists.xenproject.org, Wei Liu , Anthony PERARD Subject: Re: [PATCH v20210209 4/4] xl: disable --debug option for xl migrate Message-ID: <20210210104413.4f44b49c.olaf@aepfle.de> In-Reply-To: <20210210100606.45de7991.olaf@aepfle.de> References: <20210209154536.10851-1-olaf@aepfle.de> <20210209154536.10851-5-olaf@aepfle.de> <24610.49788.493621.307069@mariner.uk.xensource.com> <20210210100606.45de7991.olaf@aepfle.de> X-Mailer: Claws Mail 2020.08.19 (GTK+ 2.24.32; x86_64-suse-linux-gnu) MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; boundary="Sig_/56ALD4faR3Dabw_C1DvHNpn"; protocol="application/pgp-signature" --Sig_/56ALD4faR3Dabw_C1DvHNpn Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Am Wed, 10 Feb 2021 10:06:06 +0100 schrieb Olaf Hering : > - if ( ctx->save.debug && ctx->stream_type !=3D XC_STREAM_PLAIN ) > + if ( ctx->save.debug ) This will do the verification, and finds many errors: 2021-02-10 02:37:03 MST [2149] xc: error: verify pfn 0xfda9 failed (type 0)= : Internal error As Andrew said elsewhere, something writes into the memory of the idle, but= suspended domU. Likely the netback, since it can not know that the domU wi= ll never come back. No idea if verify_frames would have ways to figure out what purpose a given= pfn really has. 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