From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from v-27-120-84-145.ub-freebit.net ([27.120.84.145]:41259 "EHLO mail.reasonset.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751070AbcH1F2y (ORCPT ); Sun, 28 Aug 2016 01:28:54 -0400 Received: from rose (218-45-17-226.flets.kamome.or.jp [218.45.17.226]) by mail.reasonset.net (Postfix) with ESMTPSA id E8BA67C48001 for ; Sun, 28 Aug 2016 14:22:52 +0900 (JST) Date: Sun, 28 Aug 2016 14:22:52 +0900 From: MASAKI Yuhsuke To: linux-btrfs@vger.kernel.org Subject: Crush on btrfs device delete missing Message-ID: <20160828142252.0ded31f7@rose> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-btrfs-owner@vger.kernel.org List-ID: btrfs device delete missing always crushes and stop system. It log console only not STDOUT/STDERR or core file. This is copy from leaved message on console's last screen. ===== oops_end+0x9c/0cd0 die+0x4b/0x70 do_trap+0xb2/0x140 do_error_trap+0x89/0x110 ? update_inline_extent_backref+0x2ab/0x2b0 [btrfs] ? btrfs_set_lock_blocking_rw+0x80/0c0 [btrfs] do_invalid_op+0x20/0x30 invalid_op+0x1e/0x30 ? update_inline_extent_backref+0x2ab/0x2b0 [btrfs] ? update_inline_extent_backref+0x1e8/0x2b0 [btrfs] remove_extent_backref+0x3f/0x80 [btrfs] __btrfs_free_extent.isra.34+0x709/0x80 [btrfs] __btrfs_run_delayed_refs+0x567/0x1260 [btrfs] btrfs_run_delayed_refs+0x0x9f/0x2c0 [btrfs] delayed_ref_async_start+0x94/0xb0 [btrfs] btrfs_scrubparity_helper+0x77/0x350 btrfs_extent_refs_helper+0xe/0x10 [btrfs] ? process_one_work+0x480/0x480 kthread+0xd8/0xf0 ret_from_fork+0x1f/0x40 ? kthread_worker_fn+0x170/0x170 ===== This btrfs volume has seven disks including new blank disk and removed missing disk, and it's mounted with degraded option. --- MASAKI Yuhsuke