From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-qv1-f41.google.com (mail-qv1-f41.google.com [209.85.219.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BDA0B173 for ; Fri, 23 Jul 2021 13:20:48 +0000 (UTC) Received: by mail-qv1-f41.google.com with SMTP id d17so1253751qvn.13 for ; Fri, 23 Jul 2021 06:20:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:from:to:cc:references:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=JDgRgmChcEJr1PN5eAOZivpQ+36V1qAe0wUaZdSyEFU=; b=rNVm+yDO7jkaRA3M4MefpXFvaj1mX9BQRfSUqgnlU0SKUFYk1gaH1DkEFrsSmHg6hX lMaptpxR/Gb5FIvnD4pWLdaZ2JeSjRhPWgzu9jRoERLPLPof1x0aEUUxfGXIr5rlbIC/ shEsWdtCreOgDHRoJXGMLwVKL6DAmwx/W79+5Jy52yf7BDUQcpHnOI6W7vbWOPcSNmnt 3by1td19iGDW5krv45jhYGszDWs3BdaljIdND7lsICQxrJaOMsQcXNvSPjp1Ssl46jpQ SF8DuYrEtjaQfn5jE8JF2k/plew4lcnOieW0N/4uLuHT9260bK/1/N4zr3p0quLfYP1e suWQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:from:to:cc:references:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=JDgRgmChcEJr1PN5eAOZivpQ+36V1qAe0wUaZdSyEFU=; b=h9H7GMkPnn0dVQt60Xt55WaUyXDqdRYev3bY9oWsv5C7VoabiMbfoHCjSogTlwQvoK 7NCunGHlwbCy6s0HSHYugovTTJfEfgWe3Zeoro5nuEuU1RMuwTYtXl43tjOxx5B0r7Fq Brne/K0PwAn/UmtCwfzSnN/dhFwidjiNrSjeTDkGNaBG35uwy+7KLKYKnii9GOrEWZau CwwZa4yCACiNJWKSleYzhBzJSs0DzFEL0tmtUIGyGhaF3jVSZN9Wj0AKJDu0XlgRk57p 504/35WrxHTsjmo6R64L4fZCXLjo9eUs/eP0Ya2pSjqxTwjyOL/OYyKtkLp2174i53Wb Uurw== X-Gm-Message-State: AOAM532u+iU4HCcAlV7BeneOx+mi+UvbuILuNtZt9/gB12xJqFmXq/Ug qtFKNHJgDspILyOlz0xDrSeC0QLfyF0= X-Google-Smtp-Source: ABdhPJzc3CJXy0rkf6427qirbVf3bd++tmUjTh6vsQ+LJoI51/dRlyLJGXqHIkoYOswAAZ4umUWzOQ== X-Received: by 2002:a0c:8e09:: with SMTP id v9mr4768422qvb.15.1627046447636; Fri, 23 Jul 2021 06:20:47 -0700 (PDT) Received: from mua.localhost ([2600:1700:e380:2c20::47]) by smtp.gmail.com with ESMTPSA id h66sm7997095qkc.47.2021.07.23.06.20.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 23 Jul 2021 06:20:47 -0700 (PDT) Subject: Re: boot of J1900 (quad-core Celeron) mobo: kernel <= 5.12.15, OK; kernel >= 5.12.17, 5.13.4, slow boot (>> 660 secs) + hang/FAIL From: PGNet Dev To: greg@kroah.com Cc: stable@vger.kernel.org, regressions@lists.linux.dev References: <5b5d1b7f-7327-52a2-5221-de39206a07a3@gmail.com> Message-ID: <6a2784d4-c348-1bef-063c-a7db2ffb1248@gmail.com> Date: Fri, 23 Jul 2021 09:22:55 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0 Thunderbird/78.12.0 Precedence: bulk X-Mailing-List: regressions@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit On 7/23/21 3:01 AM, Greg KH wrote: > On Thu, Jul 22, 2021 at 05:10:02PM -0400, PGNet Dev wrote: >> My servers run Fedora 34, with latest kernels. >> >> Updating to any of minimally- or un- patched 5.12.17 or 5.13.4 hangs/fails, as follows. > > Can you use 'git bisect' to find the offending change? > > thanks, > > greg k-h unfortunately, not simply. These are rpm installs, from unpatched builds, > updating to any of minimally- or un- patched, > > Fedora (5.12.17-300.fc34.x86_64) 34 (Thirty Four) > https://koji.fedoraproject.org/koji/buildinfo?buildID=1780670 > > Fedora (5.13.4-200.fc34.x86_64) 34 (Thirty Four) > https://koji.fedoraproject.org/koji/buildinfo?buildID=1782334 > > Fedora (5.13.4-250.vanilla.1.fc34.x86_64) 34 (Thirty Four) > https://fedoraproject.org/wiki/Kernel_Vanilla_Repositories > https://repos.fedorapeople.org/repos/thl/kernel-vanilla-stable/fedora-34/x86_64/ > https://fedorapeople.org/cgit/thl/public_git/kernel.git/tree/?h=kernel-5.13.3-250.vanilla.1.fc34 available at stable release versions, not my own source builds. and, of course, this issue appears only on this J1900/Celeron hardware *production* server. Is there a specific set of kernel rd/systemd/etc debug logging flags that would shine more light on the problem?