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=-4.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 3C82AC433E1 for ; Thu, 16 Jul 2020 20:24:04 +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 C5ACC207E8 for ; Thu, 16 Jul 2020 20:24:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C5ACC207E8 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=panix.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1jwAPm-0001Io-Iz; Thu, 16 Jul 2020 20:23:34 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1jwAPl-0001Ij-2u for xen-devel@lists.xenproject.org; Thu, 16 Jul 2020 20:23:33 +0000 X-Inumbo-ID: 37c11a5a-c7a2-11ea-9536-12813bfff9fa Received: from mailbackend.panix.com (unknown [166.84.1.89]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id 37c11a5a-c7a2-11ea-9536-12813bfff9fa; Thu, 16 Jul 2020 20:23:32 +0000 (UTC) Received: from panix5.panix.com (panix5.panix.com [166.84.1.5]) by mailbackend.panix.com (Postfix) with ESMTP id 4B75LC6fphzYvF; Thu, 16 Jul 2020 16:23:31 -0400 (EDT) Received: by panix5.panix.com (Postfix, from userid 13564) id 4B75LC6jbVzfYm; Thu, 16 Jul 2020 16:23:31 -0400 (EDT) Date: Thu, 16 Jul 2020 16:23:31 -0400 From: Brian Marcotte To: Paul Durrant Subject: Re: [EXTERNAL] [Xen-devel] XEN Qdisk Ceph rbd support broken? Message-ID: <20200716202331.GA9471@panix.com> References: <763e69df40604c51bb72477c706ec24b@EX13D32EUC003.ant.amazon.com> <20200715191705.GA20643@panix.com> <000b01d65b40$ab7fead0$027fc070$@xen.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <000b01d65b40$ab7fead0$027fc070$@xen.org> X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: 'Jules' , xen-devel@lists.xenproject.org, oleksandr_grytsov@epam.com, wl@xen.org, paul@xen.org Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" > Your issue stems from the auto-creation code in xen-block: > > The "aio:rbd:rbd/machine.disk0" string is generated by libxl and does > look a little odd and will fool the parser there, but the error you see > after modifying the string appears to be because QEMU's QMP block > device instantiation code is objecting to a missing parameter. Older > QEMUs circumvented that code which is almost certainly why you don't > see the issue with versions 2 or 3. Xen 4.13 and 4.14 includes QEMU 4 and 5. They don't work with Ceph/RBD. Are you saying that xl/libxl is doing the right thing and the problem needs to be fixed in QEMU? -- - Brian