Hello,
When I run filebench varmail test under btrfs of Linux kernel 3.8.2, I got
this error:
[11496.552440] WARNING: at fs/btrfs/tree-log.c:3825
btrfs_log_inode_parent+0x28e/0x2f1 [btrfs]()
[11496.552560] Hardware name: PowerEdge R910
[11496.552644] Modules linked in: brd loop dm_crypt mperf coretemp kvm_intel
snd_pcm kvm snd_timer snd usb_storage tpm_tis soundcore joydev psmouse
snd_page_alloc tpm processor thermal_sys lpc_ich hid_generic serio_raw dcdbas
ehci_pci evdev pcspkr tpm_bios microcode mfd_core button ext3 jbd mbcache
dm_mod btrfs zlib_deflate crc32c libcrc32c sg sr_mod cdrom ses sd_mod enclosure
crc_t10dif ata_generic usbhid hid qla2xxx scsi_transport_fc scsi_tgt
crc32c_intel ata_piix uhci_hcd libata ehci_hcd megaraid_sas usbcore scsi_mod
usb_common bnx2
[11496.556105] Pid: 4865, comm: filebench Tainted: G D W 3.8.2-debug #60
[11496.556198] Call Trace:
[11496.556291] [<ffffffff81040a43>] warn_slowpath_common+0x80/0x98
[11496.556384] [<ffffffff81040a70>] warn_slowpath_null+0x15/0x17
[11496.556506] [<ffffffffa027e34c>] btrfs_log_inode_parent+0x28e/0x2f1 [btrfs]
[11496.556634] [<ffffffffa027e443>] btrfs_log_dentry_safe+0x38/0x51 [btrfs]
[11496.556758] [<ffffffffa025e597>] btrfs_sync_file+0x162/0x1e5 [btrfs]
[11496.556854] [<ffffffff8114e37d>] vfs_fsync_range+0x18/0x21
[11496.556944] [<ffffffff8114e39d>] vfs_fsync+0x17/0x19
[11496.557033] [<ffffffff8114e558>] do_fsync+0x35/0x53
[11496.557125] [<ffffffff811ef729>] ? lockdep_sys_exit_thunk+0x35/0x67
[11496.557218] [<ffffffff8114e593>] sys_fsync+0xb/0xf
[11496.557309] [<ffffffff813ba7a9>] system_call_fastpath+0x16/0x1b
[11496.557400] ---[ end trace 568976af2f674ce7 ]---
And the benchmark will subsequently terminate in exception. Is there any path
towards this problem?
Thanks.
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