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,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 DD258C19437 for ; Tue, 8 Dec 2020 21:34:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BD3CF23B23 for ; Tue, 8 Dec 2020 21:34:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729741AbgLHVeK (ORCPT ); Tue, 8 Dec 2020 16:34:10 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49258 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727566AbgLHVeK (ORCPT ); Tue, 8 Dec 2020 16:34:10 -0500 Received: from mail-io1-xd36.google.com (mail-io1-xd36.google.com [IPv6:2607:f8b0:4864:20::d36]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7FE59C061793 for ; Tue, 8 Dec 2020 13:33:23 -0800 (PST) Received: by mail-io1-xd36.google.com with SMTP id o8so28486ioh.0 for ; Tue, 08 Dec 2020 13:33:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=zdoQ9yJW9tTgrj6ngha5GHf9EI9TYgRrrDlU2gawLsk=; b=zvMHpPJu2d1u8/8TejNX0MesMmrN3FPXs5J3WEOOn6RSWpISqNdpekFsYkMdWWR91s eE1YddCBvNFv1fErpT/jUTa+M5+RTHY+RFn5jlZ1kj6E6HaiPKc4pgvJoofSytJFse+M GegJPeWNQHOd41OLTst4QJ0mfYVx46CJmkpDRcaf9QriSV86nha2hc0Baescb30h0rzv PW57A+a6bCTUyhxFVqe2VVglXsdVrGQ9hPu0HMxwEFHj6cBUsgc8He67JMY6P+NR2o+V swnsaSzjpIFQJfrCnw5v/CPgP4r6u96JwI0BkIRWgiwSkk2ey1QrfjzMjuSBDB5pBjkZ ljLA== 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=zdoQ9yJW9tTgrj6ngha5GHf9EI9TYgRrrDlU2gawLsk=; b=dt3/34RjDEon9GzUfb/DmBU1fy3SxRyr+lY4j9opAb/0rPqJ+SdEGo15x/w961aT+j xVwJC74nQaWDksofzc4YuuX8XEvQX5vFEZQcodRgpYNJ/vKCNZy+Khyakt8TCCeRzMzi A844YFmQDAVsi4VgYV+/3XWZLrPocrY4IbjwyNT4GBEHxjLBNFi5jnqkDQeVTgeTRrF0 DYFg1d1xxzw56SWa5Jk9cN+4xsxDTIxcxqucb6hDAd3d/66k6pYtPZNTWrx4s2J8rM7w 3A6kzzQZZlb8Am/XzSueJwTzJo/5JvRxd/K9nqKNH0oc7XBqKdheXxrgTDBgViJeJIT7 Ki/w== X-Gm-Message-State: AOAM530pNSog8EckG3LY16yI++htlCtSBX8y0ryCGfkY1rZswcVyeJHY C4otmdnvCTZfOAQqWdRBLW4sKw== X-Google-Smtp-Source: ABdhPJzQheY8hh+c2jPwntFjfV62RpaVDCD04oY7VjALdEnTr5RuNzE83IP/tjylmq1hCPS0rgIoTQ== X-Received: by 2002:a5d:824b:: with SMTP id n11mr2322787ioo.27.1607463202778; Tue, 08 Dec 2020 13:33:22 -0800 (PST) Received: from [192.168.1.30] ([65.144.74.34]) by smtp.gmail.com with ESMTPSA id d18sm6383019ilo.49.2020.12.08.13.33.21 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 08 Dec 2020 13:33:22 -0800 (PST) Subject: Re: problem booting 5.10 To: Linus Torvalds , John Garry Cc: "Martin K. Petersen" , Julia Lawall , "James E.J. Bottomley" , Linux Kernel Mailing List , nicolas.palix@univ-grenoble-alpes.fr, linux-scsi , Kashyap Desai , Ming Lei References: <9106e994-bb4b-4148-1280-f08f71427420@huawei.com> From: Jens Axboe Message-ID: <22f9a723-aaba-3a1b-b2bc-3f1d82840dd7@kernel.dk> Date: Tue, 8 Dec 2020 14:33:21 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org On 12/8/20 2:25 PM, Linus Torvalds wrote: > [ Just re-sending with Jens added back - he's been on a couple of the > emails, but wean't on this one. Sorry for the duplication ] Don't think I was, but gmail shows me the rest of the thread now. > On Tue, Dec 8, 2020 at 1:23 PM Linus Torvalds > wrote: >> >> On Tue, Dec 8, 2020 at 1:14 PM John Garry wrote: >>> >>> JFYI, About "scsi: megaraid_sas: Added support for shared host tagset >>> for cpuhotplug", we did have an issue reported here already from Qian >>> about a boot hang: >> >> Hmm. That does sound like it might be it. >> >> At this point, the patches from Ming Lei seem to be a riskier approach >> than perhaps just reverting the megaraid_sas change? >> >> It looks like those patches are queued up for 5.11, and we could >> re-apply the megaraid_sas change then? >> >> Jens, comments? >> >> And Julia - if it's that thing, then a >> >> git revert 103fbf8e4020 >> >> would be the thing to test. Ming's series is queued up for 5.11, so if the revert does show that this is indeed the issue (and it sure looks like it), then I'd suggest we simply revert this commit from 5.10 and we can revisit after the merge window opens and Ming's patches are in anyway. -- Jens Axboe