[ 4057.993688] btrfs searching for 4096 bytes, num_bytes 4096, loop 2, allowed_alloc 0 [ 4057.993705] btrfs allocation failed flags 36, wanted 4096 [ 4057.993713] space_info has 65536 free, is full [ 4057.993715] space_info total=1073741824, pinned=52961280, delalloc=0, may_use=0, used=1020715008 [ 4057.993717] block group 29360128 has 1073741824 bytes, 1020715008 used 52961280 pinned 0 reserved [ 4057.993720] 0 blocks of free space at or bigger than bytes is [ 4057.993743] ------------[ cut here ]------------ [ 4057.993751] kernel BUG at /build/buildd-linux-2.6_2.6.29-4-i386-vcILAN/linux-2.6-2.6.29/debian/build/source_i386_none/fs/btrfs/extent-tree.c:3433! [ 4057.993766] invalid opcode: 0000 [#1] SMP [ 4057.993777] last sysfs file: /sys/devices/virtual/block/dm-3/range [ 4057.993785] Modules linked in: nfsd lockd nfs_acl auth_rpcgss sunrpc exportfs kvm_intel kvm ipv6 bridge stp btrfs zlib_deflate zlib_inflate crc32c libcrc32c fuse loop snd_hda_codec_analog snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device snd soundcore ftdi_sio i2c_i801 usbserial dcdbas evdev psmouse snd_page_alloc i2c_core pcspkr serio_raw parport_pc parport button usbhid hid ext3 jbd mbcache usb_storage dm_mirror dm_region_hash dm_log dm_snapshot dm_mod raid1 md_mod sg uhci_hcd sr_mod cdrom sd_mod crc_t10dif ata_generic ahci libata scsi_mod ide_pci_generic ehci_hcd usbcore intel_agp e1000e ide_core agpgart thermal processor fan thermal_sys nbd [ 4057.993984] [ 4057.993992] Pid: 4316, comm: rsync Not tainted (2.6.29-2-686 #1) OptiPlex 755 [ 4057.994005] EIP: 0060:[] EFLAGS: 00010257 CPU: 0 [ 4057.994028] EIP is at __btrfs_reserve_extent+0x34f/0x35d [btrfs] [ 4057.994036] EAX: c3d3b49c EBX: c3853eec ECX: f4c4f880 EDX: 00000001 [ 4057.994045] ESI: c3d3b490 EDI: c3d3b404 EBP: c3d3b49c ESP: f4c4f894 [ 4057.994053] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 [ 4057.994062] Process rsync (pid: 4316, ti=f4c4e000 task=f606c7f0 task.ti=f4c4e000) [ 4057.994073] Stack: [ 4057.994079] 00000004 00000000 00000000 00001000 c3bd3800 d1df81f0 c3db0000 00000002 [ 4057.994098] 00000000 c3bd3800 f4c4f96f f83b050f 00001000 00000000 00001000 00000000 [ 4057.994123] 00000000 00000000 00000000 00000000 ffffffff ffffffff f4c4f96f 00000000 [ 4057.994152] Call Trace: [ 4057.994159] [] btrfs_alloc_extent+0x52/0xb8 [btrfs] [ 4057.994183] [] btrfs_alloc_free_block+0x60/0x8f [btrfs] [ 4057.994206] [] __btrfs_cow_block+0x199/0x596 [btrfs] [ 4057.994228] [] kmap_atomic_prot+0xbd/0xdd [ 4057.994241] [] map_extent_buffer+0x4c/0x85 [btrfs] [ 4057.994266] [] kmap_atomic_prot+0xbd/0xdd [ 4057.994276] [] kunmap_atomic+0x58/0x7a [ 4057.994286] [] btrfs_cow_block+0x134/0x13d [btrfs] [ 4057.994308] [] btrfs_search_slot+0x1f0/0x622 [btrfs] [ 4057.994331] [] set_extent_bit+0x2cf/0x322 [btrfs] [ 4057.994354] [] set_extent_buffer_dirty+0xae/0xc1 [btrfs] [ 4057.994379] [] update_backrefs+0x80/0x262 [btrfs] [ 4057.994401] [] finish_current_insert+0x2c1/0x4db [btrfs] [ 4057.994424] [] del_pending_extents+0x346/0x350 [btrfs] [ 4057.994446] [] __btrfs_inc_extent_ref+0x1b0/0x1c1 [btrfs] [ 4057.994469] [] btrfs_inc_ref+0x2a9/0x32d [btrfs] [ 4057.994492] [] __btrfs_inc_extent_ref+0x0/0x1c1 [btrfs] [ 4057.994514] [] kmap_atomic_prot+0xbd/0xdd [ 4057.994524] [] kunmap_atomic+0x58/0x7a [ 4057.994534] [] kunmap_atomic+0x6a/0x7a [ 4057.994544] [] __btrfs_cow_block+0x269/0x596 [btrfs] [ 4057.994566] [] kmap_atomic_prot+0xbd/0xdd [ 4057.994576] [] kunmap_atomic+0x58/0x7a [ 4057.994586] [] btrfs_cow_block+0x134/0x13d [btrfs] [ 4057.994608] [] btrfs_search_slot+0x1f0/0x622 [btrfs] [ 4057.994630] [] btrfs_lookup_inode+0x27/0x88 [btrfs] [ 4057.994653] [] _spin_lock+0x5/0x7 [ 4057.994664] [] btrfs_update_inode+0x3d/0xaf [btrfs] [ 4057.994688] [] btrfs_dirty_inode+0x3d/0x4a [btrfs] [ 4057.994712] [] __mark_inode_dirty+0x21/0x13c [ 4057.994723] [] touch_atime+0xb1/0xb6 [ 4057.994733] [] generic_file_aio_read+0x51f/0x59a [ 4057.994752] [] do_sync_read+0xc0/0x107 [ 4057.994762] [] sched_clock_cpu+0x136/0x147 [ 4057.994773] [] pick_next_task_fair+0x80/0x87 [ 4057.994783] [] autoremove_wake_function+0x0/0x2d [ 4057.994793] [] schedule+0x6dd/0x754 [ 4057.994802] [] security_file_permission+0xc/0xd [ 4057.994814] [] do_sync_read+0x0/0x107 [ 4057.994823] [] vfs_read+0x7b/0xd3 [ 4057.994832] [] sys_read+0x3c/0x63 [ 4057.994842] [] sysenter_do_call+0x12/0x2f [ 4057.994852] Code: 75 d6 c7 90 8b 87 8c 00 00 00 8d b8 74 ff ff ff 8b 87 8c 00 00 00 0f 18 00 90 8d 87 8c 00 00 00 39 c6 75 95 89 e8 e8 f8 9c d8 c7 <0f> 0b eb fe 83 c4 1c 31 c0 5b 5e 5f 5d c3 57 89 d7 56 53 8b 5c [ 4057.994964] EIP: [] __btrfs_reserve_extent+0x34f/0x35d [btrfs] SS:ESP 0068:f4c4f894 [ 4057.995276] ---[ end trace 835e8a3c5055edbc ]---