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Subjectkernel BUG at fs/btrfs/extent-tree.c:1353
Date
When doing a 'rm -r /var/tmp/portage/sys-devel' I get the following Oops:

------------[ cut here ]------------
kernel BUG at fs/btrfs/extent-tree.c:1353!
invalid opcode: 0000 [#1] PREEMPT SMP
last sysfs file:
/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0A:00/power_supply/BAT0/charge_full
Modules linked in: snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq
snd_seq_device snd_pcm_oss snd_mixer_oss nfs lockd nfs_acl auth_rpcgss sunrpc
sco rfcomm bnep l2cap crc16 xts gf128mul usb_storage dm_crypt dm_mod coretemp
hwmon acpi_cpufreq mperf snd_hda_codec_realtek uvcvideo iwl3945 snd_hda_intel
snd_hda_codec iwlcore videodev r8169 snd_hwdep btusb snd_pcm v4l1_compat
mac80211 snd_timer bluetooth snd mii cfg80211 soundcore sg rfkill ac i2c_i801
snd_page_alloc uhci_hcd battery [last unloaded: microcode]
Pid: 2358, comm: rm Not tainted 2.6.35-rc4 #32 M912/M912
EIP: 0060:[<c10c383b>] EFLAGS: 00010202 CPU: 1
EIP is at lookup_inline_extent_backref+0xf2/0x406
EAX: 00000001 EBX: 00000007 ECX: 00000000 EDX: 00000000
ESI: 00000004 EDI: f7268150 EBP: 00000004 ESP: f5aa5d08
DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
Process rm (pid: 2358, ti=f5aa4000 task=f6f0fa70 task.ti=f5aa4000)
Stack:
f702f8c0 f744e080 f665f380 000000b0 00000000 00000000 ffffffff f6c80f00
<0> f744e080 c10ec226 e98acfff f6c98000 00001001 0e987000 00000004 00000000
<0> 00000850 040e9870 a8000000 00001000 00000000 00000007 00000000 0e987000
Call Trace:
[<c10ec226>] ? set_extent_dirty+0x19/0x1d
[<c10c5081>] ? __btrfs_free_extent+0xda/0x675
[<c10c88bf>] ? run_clustered_refs+0x699/0x6d7
[<c10d239f>] ? btrfs_mark_buffer_dirty+0xa3/0xef
[<c1101454>] ? btrfs_find_ref_cluster+0xf9/0x13a
[<c10c89bc>] ? btrfs_run_delayed_refs+0xbf/0x155
[<c10d3a73>] ? __btrfs_end_transaction+0x53/0x16c
[<c10db480>] ? btrfs_delete_inode+0x166/0x17e
[<c102280d>] ? get_parent_ip+0x8/0x19
[<c108fe5c>] ? generic_delete_inode+0x6f/0xbd
[<c108f5b3>] ? iput+0x46/0x48
[<c10893a8>] ? do_unlinkat+0xc7/0x109
[<c102280d>] ? get_parent_ip+0x8/0x19
[<c10822e3>] ? fput+0x12/0x15c
[<c10a2f30>] ? dnotify_flush+0x41/0xc2
[<c107fe85>] ? filp_close+0x4c/0x52
[<c107feed>] ? sys_close+0x62/0x9b
[<c1002550>] ? sysenter_do_call+0x12/0x26
Code: 80 4e 68 02 8d 4c 24 43 89 f8 6a 01 ff 74 24 1c ff 74 24 08 8b 54 24 38 e8
01 c2 ff ff 83 c4 0c 83 f8 00 0f 8c e1 02 00 00 74 02 <0f> 0b 8b 04 24 8b 34 24
8b 00 8b 56 20 89 44 24 08 e8 2e fa ff
EIP: [<c10c383b>] lookup_inline_extent_backref+0xf2/0x406 SS:ESP 0068:f5aa5d08
---[ end trace d97601f0b455ca72 ]---
note: rm[2358] exited with preempt_count 2
BUG: scheduling while atomic: rm/2358/0x10000003
Modules linked in: snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq
snd_seq_device snd_pcm_oss snd_mixer_oss nfs lockd nfs_acl auth_rpcgss sunrpc
sco rfcomm bnep l2cap crc16 xts gf128mul usb_storage dm_crypt dm_mod coretemp
hwmon acpi_cpufreq mperf snd_hda_codec_realtek uvcvideo iwl3945 snd_hda_intel
snd_hda_codec iwlcore videodev r8169 snd_hwdep btusb snd_pcm v4l1_compat
mac80211 snd_timer bluetooth snd mii cfg80211 soundcore sg rfkill ac i2c_i801
snd_page_alloc uhci_hcd battery [last unloaded: microcode]
Pid: 2358, comm: rm Tainted: G D 2.6.35-rc4 #32
Call Trace:
[<c12de6b3>] ? schedule+0x88/0x332
[<c10237c1>] ? __cond_resched+0xf/0x19
[<c12de9e2>] ? _cond_resched+0x12/0x18
[<c106ceec>] ? unmap_vmas+0x4e7/0x534
[<c1070c8f>] ? exit_mmap+0x64/0xa4
[<c1026089>] ? mmput+0x21/0x96
[<c102938e>] ? exit_mm+0xe7/0xf0
[<c12dfa28>] ? _raw_spin_unlock_irqrestore+0x1a/0x24
[<c103aaa1>] ? hrtimer_try_to_cancel+0x31/0x3a
[<c102a42e>] ? do_exit+0x17b/0x57d
[<c1028e78>] ? kmsg_dump+0x81/0xf9
[<c1002d06>] ? do_invalid_op+0x0/0x76
[<c1004fa0>] ? oops_end+0x72/0x75
[<c1002d6f>] ? do_invalid_op+0x69/0x76
[<c10c383b>] ? lookup_inline_extent_backref+0xf2/0x406
[<c10bdc9a>] ? generic_bin_search.clone.0+0x145/0x150
[<c10bcf30>] ? btrfs_cow_block+0x106/0x112
[<c10bdcdc>] ? bin_search+0x37/0x3d
[<c10bfe33>] ? btrfs_search_slot+0x405/0x477
[<c12e031a>] ? error_code+0x66/0x6c
[<c1002d06>] ? do_invalid_op+0x0/0x76
[<c10c383b>] ? lookup_inline_extent_backref+0xf2/0x406
[<c10ec226>] ? set_extent_dirty+0x19/0x1d
[<c10c5081>] ? __btrfs_free_extent+0xda/0x675
[<c10c88bf>] ? run_clustered_refs+0x699/0x6d7
[<c10d239f>] ? btrfs_mark_buffer_dirty+0xa3/0xef
[<c1101454>] ? btrfs_find_ref_cluster+0xf9/0x13a
[<c10c89bc>] ? btrfs_run_delayed_refs+0xbf/0x155
[<c10d3a73>] ? __btrfs_end_transaction+0x53/0x16c
[<c10db480>] ? btrfs_delete_inode+0x166/0x17e
[<c102280d>] ? get_parent_ip+0x8/0x19
[<c108fe5c>] ? generic_delete_inode+0x6f/0xbd
[<c108f5b3>] ? iput+0x46/0x48
[<c10893a8>] ? do_unlinkat+0xc7/0x109
[<c102280d>] ? get_parent_ip+0x8/0x19
[<c10822e3>] ? fput+0x12/0x15c
[<c10a2f30>] ? dnotify_flush+0x41/0xc2
[<c107fe85>] ? filp_close+0x4c/0x52
[<c107feed>] ? sys_close+0x62/0x9b
[<c1002550>] ? sysenter_do_call+0x12/0x26

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