From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from magic.merlins.org ([209.81.13.136]:58539 "EHLO mail1.merlins.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751484Ab2ITRRr (ORCPT ); Thu, 20 Sep 2012 13:17:47 -0400 Received: from merlin by mail1.merlins.org with local (Exim 4.77 #2) id 1TEkNn-0007SO-8p for ; Thu, 20 Sep 2012 10:17:47 -0700 Date: Thu, 20 Sep 2012 10:17:47 -0700 From: Marc MERLIN To: linux-btrfs@vger.kernel.org Subject: 3.5.3: kernel BUG at fs/btrfs/ctree.c:3451! Message-ID: <20120920171747.GG26105@merlins.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-btrfs-owner@vger.kernel.org List-ID: I had a btrfs built on top of 5 drives (dmcrypt devices). The drive then died while I was writing to the filesystem and my system crashed and rebooted: [384555.534020] sd 10:0:0:0: rejecting I/O to offline device [384555.535057] sd 10:0:0:0: rejecting I/O to offline device [384556.666885] ------------[ cut here ]------------ [384556.667909] sd 10:0:0:0: [sdj] Synchronizing SCSI cache [384556.677509] kernel BUG at fs/btrfs/ctree.c:3451! [384556.682551] invalid opcode: 0000 [#1] PREEMPT SMP [384556.687878] CPU 2 /* push data from right to left */ copy_extent_buffer(left, right, btrfs_item_nr_offset(btrfs_header_nritems(left)), btrfs_item_nr_offset(0), push_items * sizeof(struct btrfs_item)); push_space = BTRFS_LEAF_DATA_SIZE(root) - btrfs_item_offset_nr(right, push_items - 1); copy_extent_buffer(left, right, btrfs_leaf_data(left) + leaf_data_end(root, left) - push_space, btrfs_leaf_data(right) + btrfs_item_offset_nr(right, push_items - 1), push_space); old_left_nritems = btrfs_header_nritems(left); BUG_ON(old_left_nritems <= 0); <<<<<<< 3451 Marc -- "A mouse is a device used to point at the xterm you want to type in" - A.S.R. Microsoft is to operating systems .... .... what McDonalds is to gourmet cooking Home page: http://marc.merlins.org/