From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from plane.gmane.org ([80.91.229.3]:42311 "EHLO plane.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754753Ab3DVTfF (ORCPT ); Mon, 22 Apr 2013 15:35:05 -0400 Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1UUMVz-0002i7-9O for linux-btrfs@vger.kernel.org; Mon, 22 Apr 2013 21:35:03 +0200 Received: from 88-104-247-93.dynamic.dsl.as9105.com ([88.104.247.93]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 22 Apr 2013 21:35:03 +0200 Received: from mark by 88-104-247-93.dynamic.dsl.as9105.com with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 22 Apr 2013 21:35:03 +0200 To: linux-btrfs@vger.kernel.org From: Mark Ridley Subject: 3.8.8 kernel crash while editing a file Date: Mon, 22 Apr 2013 19:33:12 +0000 (UTC) Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-btrfs-owner@vger.kernel.org List-ID: Hi, This stack trace came out earlier today when I edited a file in perl that had a btrfs snapshot. Any idea why? or what I can do to get you more info. 3.8.8-202.fc18.x86_64 The device has 21TB of used data on it. Thanks kernel: [13453.678952] ------------[ cut here ]------------ kernel: [13453 .679136] kernel BUG at fs/btrfs/file.c:861! kernel: [13453.679380] invalid opcode: 0000 [#1] SMP kernel: [13453.679612] Modules linked in: coretemp shpchp ppdev vmw_balloon i2c_piix4 microcode vmxnet3 parport_pc parport btr fs zlib_deflate libcrc32c vmwgfx ttm drm vmw_pvscsi i2c_core kernel: [1345 3.680251] CPU 0 kernel: [13453.680439] Pid: 11307, comm: btrfs-endio-wri N ot tainted 3.8.8-202.fc18.x86_64 #1 VMware, Inc. VMware Virtual Platform/44 0BX Desktop Reference Platform kernel: [13453.680949] RIP: 0010:[] [] __btrfs_drop_extents+0xb9d/0xbc0 [btrfs] kernel: [13453.681440] RSP: 0018:ffff88010e657b58 EFLAGS: 00010297 kernel : [13453.681687] RAX: 0000000000000010 RBX: ffff8802ce925428 RCX: 000000000 0000001 kernel: [13453.681940] RDX: 0000000000000000 RSI: 0000000000000c73 RDI: ffff8802ce925428 kernel: [13453.682043] RBP: ffff88010e657c68 R08: 0 000000000000001 R09: ffff88010e657b08 kernel: [13453.682145] R10: 00000023 08979000 R11: 00000000ffffffff R12: ffff880100f7ad80 kernel: [13453.682247 ] R13: 0000000000000c46 R14: 0000002308974000 R15: 0000002308974000 kernel : [13453.682377] FS: 0000000000000000(0000) GS:ffff8803bfc00000(0000) knlG S:0000000000000000 kernel: [13453.682498] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003bApr 22 17:26:57 bk577 kernel: [13453.683089] CR2: 00007fff f1d900d8 CR3: 0000000383e9b000 CR4: 00000000000007f0 kernel: [13453.683906 ] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 kernel : [13453.684640] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 000000000 0000400 kernel: [13453.685454] Process btrfs-endio-wri (pid: 11307, thread info ffff88010e656000, task ffff8803a83cc620) kernel: [13453.686793] Stack : kernel: [13453.687439] 0000000000004b66 0000002308954000 00000000000000 00 0000000000000400 kernel: [13453.688160] ffff880100000000 0000002300000 001 000000000000112e ffffffff8101b8e3 kernel: [13453.688885] 000000000001 5000 0000000f01010082 0000000000000000 ffff8803a97c8000 kernel: [13453.689 640] Call Trace: kernel: [13453.690319] [] ? native_sch ed_clock+0x13/0x80 kernel: [13453.691220] [] ? alloc_ex tent_state+0x2e/0xc0 [btrfs] kernel: [13453.692107] [] ? btrfs_alloc_path+0x1a/0x20 [btrfs] kernel: [13453.692981] [] btrfs_drop_extents+0x6b/0xa0 [btrfs] kernel: [13453.693562] [] insert_reserved_file_extent.constprop.58+0x7b/0x2c0 [btrfs] kernel: [13453.696394] [] ? start_transaction+0x95/0x4 60 [btrfs] kernel: [13453.697236] [] btrfs_finish_order ed_io+0x364/0x3f0 [btrfs] kernel: [13453.697935] [] fin ish_ordered_fn+0x15/0x20 [btrfs] kernel: [13453.698595] [] worker_loop+0x136/0x580 [btrfs] kernel: [13453.699264] [] ? btrfs_queue_worker+0x300/0x300 [btrfs] kernel: [13453.699893] [< ffffffff81081f30>] kthread+0xc0/0xd0 kernel: [13453.700517] [] ? perf_trace_xen_cpu_write_gdt_entry+0xa0/0x100 kernel: [13453.701 116] [] ? kthread_create_on_node+0x120/0x120 kernel: [1 3453.701717] [] ret_from_fork+0x7c/0xb0 kernel: [13453. 702293] [] ? kthread_create_on_node+0x120/0x120 kernel: [13453.702857] Code: 85 7c ff ff ff 00 00 00 00 4d 89 d6 e9 76 fa ff ff 4d 89 d5 c7 85 64 ff ff ff 01 00 00 00 e9 21 fc ff ff 0f 0b 0f 0b 0f 0b 0f 0b <0f> 0b 0f 0b 0f 0b 45 85 c0 75 02 0f 0b 48 8d 55 ae 45 31 f6 48 kernel: [13453.704595] RIP [] __btrfs_drop_extents+0xb9d/0xbc0 [ btrfs] kernel: [13453.705176] RSP kernel: [13453.7074 60] ---[ end trace 730a8ff23116a46b ]-