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Message-ID: <20100708143109.GR15984@think> Date: Thu, 8 Jul 2010 10:31:09 -0400 From: Chris Mason <chris.mason@...cle.com> To: Johannes Hirte <johannes.hirte@....tu-ilmenau.de> Cc: linux-kernel@...r.kernel.org, linux-btrfs@...r.kernel.org, zheng.yan@...cle.com Subject: Re: kernel BUG at fs/btrfs/extent-tree.c:1353 Neither Yan nor I have been able to reproduce this locally, but a few people have now hit it. Johannes, are you available to try out a debugging kernel to try and track this down? -chris On Thu, Jul 08, 2010 at 04:27:23PM +0200, Johannes Hirte wrote: > 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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