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=-2.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 D542BC432C0 for ; Sat, 30 Nov 2019 08:12:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6E75C2075C for ; Sat, 30 Nov 2019 08:12:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=inwind.it header.i=@inwind.it header.b="SwpbdM2h" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725897AbfK3IMf (ORCPT ); Sat, 30 Nov 2019 03:12:35 -0500 Received: from smtp-31.italiaonline.it ([213.209.10.31]:32981 "EHLO libero.it" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725835AbfK3IMf (ORCPT ); Sat, 30 Nov 2019 03:12:35 -0500 Received: from venice.bhome ([84.220.25.30]) by smtp-31.iol.local with ESMTPA id axrkiFK00iFL3axrki6nFl; Sat, 30 Nov 2019 09:12:32 +0100 x-libjamoibt: 1601 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=inwind.it; s=s2014; t=1575101552; bh=pYVofLvDzJcEyQck0BiG5klhKIn4aas6FvgBUOcro7E=; h=Reply-To:Subject:To:Cc:References:From:Date:In-Reply-To; b=SwpbdM2hmcpZ9bNlfgF8jSO0czgh9OxMCJlR5y3LcagsLynZrTbqh5b8wJz4+sW5w Fj+fWZWKFs2PC+f0qV5ZhA1Hk0bfJdhWkXYm+J9dujheyOv2+kZvb4lEymiTzPyTRF MchCSKVdGaIRmWgXG0eWIAbG+vpo/UXpeeu5ZZP6vNCbfpgaWTmyd62kL6m6iDSyBI EggYlioOUlD5bhTfOiFrOgi7/1crE4mhbbgyKxnl7FgW98yBR1xzCwAvFKNdZPNr8S zGXj+rX/2+1mmboLSZYv/UTd5eEU3846WmmW8oAnNvTtEnaqQitZnP1IR/hLJZeWmY G4ooCN6U7X3aw== X-CNFS-Analysis: v=2.3 cv=J77UEzvS c=1 sm=1 tr=0 a=zfQl08sXljvZd6EmK9/AFg==:117 a=zfQl08sXljvZd6EmK9/AFg==:17 a=jpOVt7BSZ2e4Z31A5e1TngXxSK0=:19 a=IkcTkHD0fZMA:10 a=EWzy1JFkAAAA:20 a=FgGwSqtrznFWIYmEnAUA:9 a=QEXdDO2ut3YA:10 a=SwgnqPuqv7PglqJc3hzP:22 a=pHzHmUro8NiASowvMSCR:22 a=Ew2E2A-JSTLzCXPT_086:22 Reply-To: kreijack@inwind.it Subject: Re: GRUB bug with Btrfs multiple devices To: Chris Murphy Cc: Btrfs BTRFS References: <12f98aaa-14f0-a059-379a-1d1a53375f97@inwind.it> <69aaf772-9eb0-945a-5277-40895e6901de@inwind.it> <35b330e9-6ed7-8a34-7e96-601c19ec635c@inwind.it> <0ce1c050-d90c-1351-ff56-4edc054463a4@inwind.it> From: Goffredo Baroncelli Message-ID: <7aed9b06-b6e9-abef-0241-f542ffffdfc7@inwind.it> Date: Sat, 30 Nov 2019 09:12:32 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-CMAE-Envelope: MS4wfNo2w8ujxegpYBoGyZsc6dwuPj3/wcfmMPF+SzHfEh8BkqzuE+k3oRKa+ZccyL9SFuaLUvSBKeMZGRRcYCX/u87jUd5hb4Uuj5CmD6XqyIhTr1agVDrL o1P7Zl7tVEhV6JgBW4fNH+nyWL8+SVm2lyeNKDnJi01KdCQCSSIE8CtkSOHcQtO3xNMKBv1P9z7aM24u4LDwBPi2Ux6qGnMw6s8= Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On 29/11/2019 22.17, Chris Murphy wrote: > On Fri, Nov 29, 2019 at 12:54 PM Goffredo Baroncelli wrote: >> Could you be so kindly to share the picture of the loading of the kernel/initramdisk ? Something like: >> >> grub> set debug=all >> grub> initrd /boot/initrd.... >> >> I hope that the errors come quickly. I don't think that we need the pictuers of all the download. It would be sufficient the pictures until the first (or better second) error.... > > I paged through it for minutes, hundreds of pages and never found any > errors. But these are the first pages. This might actually be some > kind of search, not load of the kernel, because I pressed tab to > autocomplete. But it didn't autocomplete it immediately started > spitting out debug pages. > > https://photos.app.goo.gl/kpa7dJ9spAy29yj26 > > Is it possible to redirect grub debug output to a FAT file? It is possible to redirect to a serial console .. Did the machine has a serial port ? > > > -- gpg @keyserver.linux.it: Goffredo Baroncelli Key fingerprint BBF5 1610 0B64 DAC6 5F7D 17B2 0EDA 9B37 8B82 E0B5