btrfs/024 [ 159.416857] btrfs: device fsid c8802dbf-ca95-45c5-af67-18f13ef243ea devid 1 transid 4 /dev/vdc [ 159.430449] btrfs: setting nodatacow, compression disabled [ 159.431668] btrfs: disk space caching is enabled [ 159.439418] btrfs: creating UUID tree [ 159.466146] ------------[ cut here ]------------ [ 159.467547] WARNING: CPU: 3 PID: 8127 at /work/hch/linux/kernel/locking/lockdep.c:3160 __lock_acquire+0x1f18/0x1fa0() [ 159.468075] btrfs: device fsid c8802dbf-ca95-45c5-af67-18f13ef243ea devid 1 transid 5 /dev/vdc [ 159.469411] DEBUG_LOCKS_WARN_ON(id >= MAX_LOCKDEP_KEYS) [ 159.469411] Modules linked in: [ 159.469411] CPU: 3 PID: 8127 Comm: btrfs-delalloc- Not tainted 3.13.0-rc3+ #72 [ 159.469411] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2007 [ 159.469411] 0000000000000009 ffff880070787948 ffffffff81c6aeb2 ffff88006fecc050 [ 159.469411] ffff880070787998 ffff880070787988 ffffffff81092e97 0000000000000ef2 [ 159.469411] ffff88006fecc700 0000000000000002 ffffffff82f65940 0000000000000000 [ 159.469411] Call Trace: [ 159.469411] [<ffffffff81c6aeb2>] dump_stack+0x46/0x58 [ 159.469411] [<ffffffff81092e97>] warn_slowpath_common+0x87/0xb0 [ 159.469411] [<ffffffff81092f61>] warn_slowpath_fmt+0x41/0x50 [ 159.469411] [<ffffffff810da0b8>] __lock_acquire+0x1f18/0x1fa0 [ 159.469411] [<ffffffff810da708>] lock_acquire+0x98/0x120 [ 159.469411] [<ffffffff8165b44d>] ? find_workspace+0x9d/0x1c0 [ 159.469411] [<ffffffff81c73a6c>] _raw_spin_lock+0x2c/0x40 [ 159.469411] [<ffffffff8165b44d>] ? find_workspace+0x9d/0x1c0 [ 159.469411] [<ffffffff8165b44d>] find_workspace+0x9d/0x1c0 [ 159.469411] [<ffffffff8114b54d>] ? clear_page_dirty_for_io+0xed/0x110 [ 159.469411] [<ffffffff8165c624>] btrfs_compress_pages+0x34/0xc0 [ 159.469411] [<ffffffff810db28d>] ? trace_hardirqs_on+0xd/0x10 [ 159.469411] [<ffffffff8161f82f>] compress_file_range+0x1df/0x650 [ 159.469411] [<ffffffff8161fcd0>] async_cow_start+0x30/0x50 [ 159.469411] [<ffffffff81645097>] worker_loop+0x157/0x590 [ 159.469411] [<ffffffff810db28d>] ? trace_hardirqs_on+0xd/0x10 [ 159.469411] [<ffffffff81644f40>] ? btrfs_queue_worker+0x310/0x310 [ 159.469411] [<ffffffff810b6b0f>] kthread+0xdf/0x100 [ 159.469411] [<ffffffff81c741eb>] ? _raw_spin_unlock_irq+0x2b/0x40 [ 159.469411] [<ffffffff810b6a30>] ? __init_kthread_worker+0x70/0x70 [ 159.469411] [<ffffffff81c7c5cc>] ret_from_fork+0x7c/0xb0 [ 159.469411] [<ffffffff810b6a30>] ? __init_kthread_worker+0x70/0x70 [ 159.469411] ---[ end trace ce7bfbef1159b87c ]--- [ 159.537771] BUG: unable to handle kernel NULL pointer dereference at 0000000000000003 [ 159.540789] IP: [<ffffffff8165b4c0>] find_workspace+0x110/0x1c0 [ 159.541065] PGD 6ec6d067 PUD 7b53d067 PMD 0 [ 159.541065] Oops: 0000 [#1] SMP [ 159.541065] Modules linked in: [ 159.541065] CPU: 3 PID: 8127 Comm: btrfs-delalloc- Tainted: G W 3.13.0-rc3+ #72 [ 159.541065] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2007 [ 159.541065] task: ffff88006fecc050 ti: ffff880070786000 task.ti: ffff880070786000 [ 159.541065] RIP: 0010:[<ffffffff8165b4c0>] [<ffffffff8165b4c0>] find_workspace+0x110/0x1c0 [ 159.541065] RSP: 0018:ffff880070787b98 EFLAGS: 00010296 [ 159.541065] RAX: 0000000000000003 RBX: ffffffff82f65928 RCX: 0000000000000100 [ 159.541065] RDX: 0000000000000000 RSI: ffffffff820a0070 RDI: ffffffff82f65928 [ 159.541065] RBP: ffff880070787c18 R08: 0000000000000002 R09: 0000000000000000 [ 159.541065] R10: ffffffff81dfae80 R11: 0000000000000322 R12: ffffffff82f65930 [ 159.541065] R13: ffffffff82f659cc R14: 0000000000000004 R15: ffff880070787bd8 [ 159.541065] FS: 0000000000000000(0000) GS:ffff88007fd80000(0000) knlGS:0000000000000000 [ 159.541065] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 159.541065] CR2: 0000000000000003 CR3: 000000006fed8000 CR4: 00000000000006e0 [ 159.541065] Stack: [ 159.541065] ffff880070787c18 ffff88006fecc050 ffffffffffffffff ffffffff82f65998 [ 159.541065] ffff880000000000 0000000000000046 0000000000000082 0000000000000246 [ 159.541065] 00000000707a86f0 ffff88006fecc050 ffffffff8114b54d 0000000000000000 [ 159.541065] Call Trace: [ 159.541065] [<ffffffff8114b54d>] ? clear_page_dirty_for_io+0xed/0x110 [ 159.541065] [<ffffffff8165c624>] btrfs_compress_pages+0x34/0xc0 [ 159.541065] [<ffffffff810db28d>] ? trace_hardirqs_on+0xd/0x10 [ 159.541065] [<ffffffff8161f82f>] compress_file_range+0x1df/0x650 [ 159.541065] [<ffffffff8161fcd0>] async_cow_start+0x30/0x50 [ 159.541065] [<ffffffff81645097>] worker_loop+0x157/0x590 [ 159.541065] [<ffffffff810db28d>] ? trace_hardirqs_on+0xd/0x10 [ 159.541065] [<ffffffff81644f40>] ? btrfs_queue_worker+0x310/0x310 [ 159.541065] [<ffffffff810b6b0f>] kthread+0xdf/0x100 [ 159.541065] [<ffffffff81c741eb>] ? _raw_spin_unlock_irq+0x2b/0x40 [ 159.541065] [<ffffffff810b6a30>] ? __init_kthread_worker+0x70/0x70 [ 159.541065] [<ffffffff81c7c5cc>] ret_from_fork+0x7c/0xb0 [ 159.541065] [<ffffffff810b6a30>] ? __init_kthread_worker+0x70/0x70 [ 159.541065] Code: 8d 75 a8 e8 b3 4e a7 ff 41 8b 45 00 41 39 c6 7d 92 48 8b 55 90 8b 04 95 70 5a f6 82 85 c0 75 83 e8 06 45 61 00 e9 79 ff ff ff 90 <48> 8b 08 48 89 df 48 8b 50 08 48 89 51 08 48 89 0a 48 ba 00 01 [ 159.541065] RIP [<ffffffff8165b4c0>] find_workspace+0x110/0x1c0 [ 159.541065] RSP <ffff880070787b98> [ 159.541065] CR2: 0000000000000003 [ 159.541065] ---[ end trace ce7bfbef1159b87d ]--- -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
