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=-0.8 required=3.0 tests=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 43919C433E0 for ; Sun, 24 May 2020 06:38:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 19C4A2075F for ; Sun, 24 May 2020 06:38:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726796AbgEXGiG (ORCPT ); Sun, 24 May 2020 02:38:06 -0400 Received: from bezitopo.org ([45.55.162.231]:34870 "EHLO marozi.bezitopo.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725856AbgEXGiF (ORCPT ); Sun, 24 May 2020 02:38:05 -0400 Received: from bezitopo.org (unknown [IPv6:2001:5b0:212a:cab8:4e72:b9ff:fe7b:8dbf]) by marozi.bezitopo.org (Postfix) with ESMTPSA id 041F75FB7E for ; Sun, 24 May 2020 02:38:04 -0400 (EDT) Received: from puma.localnet (localhost [127.0.0.1]) by bezitopo.org (Postfix) with ESMTP id E4D8630EC4 for ; Sun, 24 May 2020 02:37:52 -0400 (EDT) From: Pierre Abbat To: linux-btrfs@vger.kernel.org Subject: Re: Trying to mount hangs Date: Sun, 24 May 2020 02:37:52 -0400 Message-ID: <19884168.u0ROftlITR@puma> In-Reply-To: References: <2549429.Qys7a5ZjRC@puma> <2582603.WkyslYimHe@puma> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On Friday, May 22, 2020 6:02:44 AM EDT Qu Wenruo wrote: > For that purpose, we have btrfs-image, which will only dump the > metadata, which is way smaller than the full disk, and can be further > compressed using -c9 option. (And you can compress it furthermore). > > That btrfs-image dump even contains log tree, which is exactly what we > need to fix the hang. I'm sending it. Let me know if you can reproduce the hang. Pierre -- gau do li'i co'e kei do