https://bugzilla.novell.com/show_bug.cgi?id=810012
https://bugzilla.novell.com/show_bug.cgi?id=810012#c2
--- Comment #2 from Jon Nelson 2013-05-06 19:30:11 UTC ---
Very similar, but not exactly the same.
2013-05-06T14:26:58.521126-05:00 worklaptop kernel: [19787.469070] btrfs: block
rsv returned -28
2013-05-06T14:26:58.521140-05:00 worklaptop kernel: [19787.469074]
------------[ cut here ]------------
2013-05-06T14:26:58.521142-05:00 worklaptop kernel: [19787.469098] WARNING: at
/home/abuild/rpmbuild/BUILD/kernel-desktop-3.7.10/linux-3.7/fs/btrfs/extent-tree.c:6297
btrfs_alloc_free_block+0x3b1/0x3c0 [btrfs]()
2013-05-06T14:26:58.521144-05:00 worklaptop kernel: [19787.469099] Hardware
name: 4239CTO
2013-05-06T14:26:58.521145-05:00 worklaptop kernel: [19787.469100] Modules
linked in: tun snd_usb_audio snd_usbmidi_lib snd_rawmidi snd_seq_device nfsv4
auth_rpcgss nfs fscache lockd sunrpc fuse xt_tcpudp xt_pkttype xt_LOG xt_limit
af_packet ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT
iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns
nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack
nf_conntrack ip6table_filter ip6_tables x_tables snd_hda_codec_hdmi
snd_hda_codec_conexant arc4 iwldvm mac80211 iTCO_wdt iTCO_vendor_support
snd_hda_intel snd_hda_codec snd_hwdep acpi_cpufreq mperf coretemp kvm_intel
snd_pcm kvm thinkpad_acpi microcode snd_timer snd sg e1000e joydev iwlwifi
pcspkr i2c_i801 cfg80211 sdhci_pci sdhci snd_page_alloc mmc_core lpc_ich
mfd_core rfkill wmi ac soundcore battery tpm_tis tpm tpm_bios edd tcp_westwood
autofs4 btrfs zlib_deflate libcrc32c sha256_generic dm_crypt dm_mod
ghash_clmulni_intel crc32c_intel aesni_intel ablk_helper cryptd lrw aes_x86_64
xts gf128mul i915 drm_kms_helper drm thermal i2c_algo_bit video button
processor thermal_sys scsi_dh_rdac scsi_dh_hp_sw scsi_dh_emc scsi_dh_alua
scsi_dh ata_generic ata_piix
2013-05-06T14:26:58.521147-05:00 worklaptop kernel: [19787.469140] Pid: 20975,
comm: btrfs-endio-wri Tainted: G W 3.7.10-1.4-desktop #1
2013-05-06T14:26:58.521148-05:00 worklaptop kernel: [19787.469141] Call Trace:
2013-05-06T14:26:58.521149-05:00 worklaptop kernel: [19787.469150]
[<ffffffff81004818>] dump_trace+0x88/0x300
2013-05-06T14:26:58.521149-05:00 worklaptop kernel: [19787.469155]
[<ffffffff8158b0f3>] dump_stack+0x69/0x6f
2013-05-06T14:26:58.521150-05:00 worklaptop kernel: [19787.469160]
[<ffffffff81045249>] warn_slowpath_common+0x79/0xc0
2013-05-06T14:26:58.521151-05:00 worklaptop kernel: [19787.469167]
[<ffffffffa01ff3b1>] btrfs_alloc_free_block+0x3b1/0x3c0 [btrfs]
2013-05-06T14:26:58.521152-05:00 worklaptop kernel: [19787.469190]
[<ffffffffa01eb3d7>] __btrfs_cow_block+0x137/0x570 [btrfs]
2013-05-06T14:26:58.521153-05:00 worklaptop kernel: [19787.469202]
[<ffffffffa01eb98f>] btrfs_cow_block+0xff/0x250 [btrfs]
2013-05-06T14:26:58.521153-05:00 worklaptop kernel: [19787.469215]
[<ffffffffa01eff99>] btrfs_search_slot+0x429/0x990 [btrfs]
2013-05-06T14:26:58.521154-05:00 worklaptop kernel: [19787.469229]
[<ffffffffa0205073>] btrfs_lookup_file_extent+0x33/0x40 [btrfs]
2013-05-06T14:26:58.521155-05:00 worklaptop kernel: [19787.469253]
[<ffffffffa022221d>] __btrfs_drop_extents+0x11d/0xba0 [btrfs]
2013-05-06T14:26:58.521155-05:00 worklaptop kernel: [19787.469286]
[<ffffffffa02236bc>] btrfs_drop_extents+0x6c/0xb0 [btrfs]
2013-05-06T14:26:58.521156-05:00 worklaptop kernel: [19787.469318]
[<ffffffffa0213ba1>] insert_reserved_file_extent.constprop.58+0x81/0x300
[btrfs]
2013-05-06T14:26:58.521157-05:00 worklaptop kernel: [19787.469347]
[<ffffffffa0219e05>] btrfs_finish_ordered_io+0x3a5/0x450 [btrfs]
2013-05-06T14:26:58.521158-05:00 worklaptop kernel: [19787.469378]
[<ffffffffa02393b3>] worker_loop+0x153/0x560 [btrfs]
2013-05-06T14:26:58.521158-05:00 worklaptop kernel: [19787.469422]
[<ffffffff810681c3>] kthread+0xb3/0xc0
2013-05-06T14:26:58.521159-05:00 worklaptop kernel: [19787.469427]
[<ffffffff8159ebbc>] ret_from_fork+0x7c/0xb0
2013-05-06T14:26:58.521160-05:00 worklaptop kernel: [19787.469430] ---[ end
trace 8fca32860441d5d1 ]---
Until recently, I've been running 3.8.X kernels without issue, but I've noticed
a *lot* of btrfs problems since moving back to 3.7.10 (like the above).
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