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=-5.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,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 731EDC433E0 for ; Fri, 26 Feb 2021 22:50:18 +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 1647164DAF for ; Fri, 26 Feb 2021 22:50:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1647164DAF Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=strugglers.net 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.90608.171576 (Exim 4.92) (envelope-from ) id 1lFlw1-0007tD-2T; Fri, 26 Feb 2021 22:50:09 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 90608.171576; Fri, 26 Feb 2021 22:50:09 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1lFlw0-0007t6-Vn; Fri, 26 Feb 2021 22:50:08 +0000 Received: by outflank-mailman (input) for mailman id 90608; Fri, 26 Feb 2021 22:50:07 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1lFlvz-0007p9-G4 for xen-devel@lists.xenproject.org; Fri, 26 Feb 2021 22:50:07 +0000 Received: from mail.bitfolk.com (unknown [2001:ba8:1f1:f019::25]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id c26bac83-4914-43fd-8aa6-a6e918576926; Fri, 26 Feb 2021 22:50:06 +0000 (UTC) Received: from andy by mail.bitfolk.com with local (Exim 4.84_2) (envelope-from ) id 1lFlvy-0003Mm-9L for xen-devel@lists.xenproject.org; Fri, 26 Feb 2021 22:50:06 +0000 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: c26bac83-4914-43fd-8aa6-a6e918576926 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=bitfolk.com; s=alpha; h=In-Reply-To:Content-Transfer-Encoding:Content-Type:MIME-Version:References:Message-ID:Subject:To:From:Date; bh=ZGaVSndFsOKgS7jXAKHojYKaJn6UDrftbvmw5NEdXwg=; b=lN1eTn0SI0ACXROLwEkdRQpBeIYIMHIDjiJ8TGiZfcZtPYngnplpemXSUz2iML63fLoC6bkAdl8Li+NvU46EnFEb/wYGYbVb0Wl6JGSN33gDcX6oj9lVPRNQMHMcXe/B5KhdKB7WqFbCgBLf9b2Jxbbv2aaxStBRBfBB6ElPJzUyqA8rtaBzPiLlMIIpUERFK7S6mMK1IzC82djWiYX21zHln+kltpksIi5XK9dZujz8LnXm+3O3SfCRq2XxfJ9Vnaw1xyt8R44Q/pqkifZVQuGs1ulCwaJL+2qT1yTecC1TRinZSECV86jps+dQQYlXwNiDPTjVT5VFbCGueQnEQw==; Date: Fri, 26 Feb 2021 22:50:06 +0000 From: Andy Smith To: xen-devel@lists.xenproject.org Subject: Re: dom0 suddenly blocking on all access to md device Message-ID: <20210226225006.GR29212@bitfolk.com> References: <20210226223927.GQ29212@bitfolk.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20210226223927.GQ29212@bitfolk.com> OpenPGP: id=BF15490B; url=http://strugglers.net/~andy/pubkey.asc X-URL: http://strugglers.net/wiki/User:Andy User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: andy@strugglers.net X-SA-Exim-Scanned: No (on mail.bitfolk.com); SAEximRunCond expanded to false Oops, I didn't finish this sentence before sending: On Fri, Feb 26, 2021 at 10:39:27PM +0000, Andy Smith wrote: > Also, it's always the md device that the guest block devices are > on that is stalled - IO to other devices in dom0 …seems fine. Thanks, Andy