Hello, > [$] uname -a > Linux beplan 3.18.0-rc1-next-20141023-ARCH-dirty #1 SMP PREEMPT Sat > Oct 25 22:19:01 FET 2014 x86_64 GNU/Linux > > I have a custom config for kernel, and i disable debugs feature in > kernel. If needed i can enable it and recompile kernel. > > After this message, system boot continue and working good. > I catch this message every time when i hard reset my system. I also got warnings in the same place during one boot, haven't seen them ever after or before. I see four kinds of stack traces: first two at the mount time: [ 5.712102] BTRFS: has skinny extents [ 5.746543] ------------[ cut here ]------------ [ 5.751241] WARNING: CPU: 0 PID: 458 at fs/btrfs/delayed-inode.c:1410 btrfs_commit_transaction+0x386/0x88c [btrfs]() [ 5.761848] Modules linked in: btrfs xor raid6_pq sg sd_mod uas usb_storage hid_generic usbhid hid ahci libahci libata mpt2sas crc32c_intel raid_class scsi_transport_sas e1000e ptp scsi_mod ehci_pci pps_core ehci_hcd thermal fan thermal_sys usbcore usb_common [ 5.786890] CPU: 0 PID: 458 Comm: exe Not tainted 3.18.0-rc1 #12 [ 5.793321] Hardware name: Supermicro X9SCL/X9SCM/X9SCL/X9SCM, BIOS 2.0a 06/08/2012 [ 5.801058] 0000000000000000 0000000000000009 ffffffff813aeaf1 0000000000000000 [ 5.808820] ffffffff8103b70a ffffe8ffffc0a3b0 ffffffffc05ad1d1 ffff8800d949fa00 [ 5.816582] ffff8800370a3000 ffff8800d949f980 0000000000000000 ffff8800d9458e10 [ 5.824346] Call Trace: [ 5.826873] [<ffffffff813aeaf1>] ? dump_stack+0x41/0x51 [ 5.832253] [<ffffffff8103b70a>] ? warn_slowpath_common+0x78/0x90 [ 5.838512] [<ffffffffc05ad1d1>] ? btrfs_commit_transaction+0x386/0x88c [btrfs] [ 5.845991] [<ffffffffc05ad1d1>] ? btrfs_commit_transaction+0x386/0x88c [btrfs] [ 5.853479] [<ffffffffc05e0495>] ? btrfs_recover_log_trees+0x2b3/0x314 [btrfs] [ 5.860878] [<ffffffffc05def48>] ? replay_one_extent+0x4c4/0x4c4 [btrfs] [ 5.867748] [<ffffffffc05ab22f>] ? open_ctree+0x1966/0x1d5c [btrfs] [ 5.874174] [<ffffffffc058b9ef>] ? btrfs_mount+0x44d/0x5b4 [btrfs] [ 5.880514] [<ffffffff810e885d>] ? pcpu_next_unpop+0x36/0x43 [ 5.886337] [<ffffffff810e9b2e>] ? pcpu_alloc+0x439/0x4f5 [ 5.891889] [<ffffffff8111cdad>] ? mount_fs+0x61/0x143 [ 5.897194] [<ffffffff811301ea>] ? vfs_kern_mount+0x62/0xe0 [ 5.902929] [<ffffffff811325a8>] ? do_mount+0x6bd/0x84e [ 5.908309] [<ffffffff810e5e9d>] ? memdup_user+0x31/0x56 [ 5.913786] [<ffffffff81132970>] ? SyS_mount+0x6f/0x9d [ 5.919079] [<ffffffff813b2df0>] ? tracesys_phase2+0xd4/0xd9 [ 5.924892] ---[ end trace 1f31e98e3191d55c ]--- [ 6.013990] ------------[ cut here ]------------ [ 6.018691] WARNING: CPU: 0 PID: 458 at fs/btrfs/delayed-inode.c:1410 btrfs_commit_transaction+0x386/0x88c [btrfs]() [ 6.029294] Modules linked in: btrfs xor raid6_pq sg sd_mod uas usb_storage hid_generic usbhid hid ahci libahci libata mpt2sas crc32c_intel raid_class scsi_transport_sas e1000e ptp scsi_mod ehci_pci pps_core ehci_hcd thermal fan thermal_sys usbcore usb_common [ 6.054386] CPU: 0 PID: 458 Comm: exe Tainted: G W 3.18.0-rc1 #12 [ 6.061951] Hardware name: Supermicro X9SCL/X9SCM/X9SCL/X9SCM, BIOS 2.0a 06/08/2012 [ 6.069697] 0000000000000000 0000000000000009 ffffffff813aeaf1 0000000000000000 [ 6.077458] ffffffff8103b70a ffff8800d949f980 ffffffffc05ad1d1 ffff8800d949fa00 [ 6.085228] ffff8800370a3000 ffff8800d949f980 0000000000000000 ffff8800d9458e10 [ 6.092992] Call Trace: [ 6.095510] [<ffffffff813aeaf1>] ? dump_stack+0x41/0x51 [ 6.100890] [<ffffffff8103b70a>] ? warn_slowpath_common+0x78/0x90 [ 6.107143] [<ffffffffc05ad1d1>] ? btrfs_commit_transaction+0x386/0x88c [btrfs] [ 6.114629] [<ffffffffc05ad1d1>] ? btrfs_commit_transaction+0x386/0x88c [btrfs] [ 6.122116] [<ffffffffc05ab290>] ? open_ctree+0x19c7/0x1d5c [btrfs] [ 6.128543] [<ffffffffc058b9ef>] ? btrfs_mount+0x44d/0x5b4 [btrfs] [ 6.134882] [<ffffffff810e885d>] ? pcpu_next_unpop+0x36/0x43 [ 6.140693] [<ffffffff810e9b2e>] ? pcpu_alloc+0x439/0x4f5 [ 6.146250] [<ffffffff8111cdad>] ? mount_fs+0x61/0x143 [ 6.151552] [<ffffffff811301ea>] ? vfs_kern_mount+0x62/0xe0 [ 6.157289] [<ffffffff811325a8>] ? do_mount+0x6bd/0x84e [ 6.162675] [<ffffffff810e5e9d>] ? memdup_user+0x31/0x56 [ 6.168145] [<ffffffff81132970>] ? SyS_mount+0x6f/0x9d [ 6.173438] [<ffffffff813b2df0>] ? tracesys_phase2+0xd4/0xd9 [ 6.179253] ---[ end trace 1f31e98e3191d55d ]--- then plenty of these: [ 42.769411] ------------[ cut here ]------------ [ 42.774120] WARNING: CPU: 2 PID: 480 at fs/btrfs/delayed-inode.c:1410 btrfs_commit_transaction+0x386/0x88c [btrfs]() [ 42.784729] Modules linked in: nfsd auth_rpcgss oid_registry nfs_acl nfs lockd grace fscache sunrpc xfs libcrc32c loop raid10 md_mod x86_pkg_temp_thermal coretemp kvm_intel kvm crc32 aesni_intel i2c_i801 aes_x86_64 ablk_helper cryptd lrw gf128mul iTCO_wdt glue_helper iTCO_vendor_support psmouse i2c_core pcspkr serio_raw evdev microcode lpc_ich mfd_core battery ipmi_ _tis tpm acpi_cpufreq button processor ie31200_edac edac_core btrfs xor raid6_pq sg sd_mod uas usb_storage hid_generic usbhid hid ahci libahci libata mpt2sas crc32c_intel raid_class scs csi_mod ehci_pci pps_core ehci_hcd thermal fan thermal_sys usbcore usb_common [ 42.853114] CPU: 2 PID: 480 Comm: btrfs-transacti Tainted: G W 3.18.0-rc1 #12 [ 42.861728] Hardware name: Supermicro X9SCL/X9SCM/X9SCL/X9SCM, BIOS 2.0a 06/08/2012 [ 42.869490] 0000000000000000 0000000000000009 ffffffff813aeaf1 0000000000000000 [ 42.877268] ffffffff8103b70a 0000000000000000 ffffffffc05ad1d1 ffff880406108a00 [ 42.885084] ffff8800370a3000 ffff880406108980 0000000000000000 ffff8800d9458d20 [ 42.892899] Call Trace: [ 42.895426] [<ffffffff813aeaf1>] ? dump_stack+0x41/0x51 [ 42.900833] [<ffffffff8103b70a>] ? warn_slowpath_common+0x78/0x90 [ 42.907094] [<ffffffffc05ad1d1>] ? btrfs_commit_transaction+0x386/0x88c [btrfs] [ 42.914614] [<ffffffffc05ad1d1>] ? btrfs_commit_transaction+0x386/0x88c [btrfs] [ 42.922101] [<ffffffffc05add5c>] ? start_transaction+0x36f/0x4d0 [btrfs] [ 42.928982] [<ffffffff8107c2f9>] ? call_timer_fn+0xe5/0xe5 [ 42.934629] [<ffffffffc05ab719>] ? transaction_kthread+0xf4/0x1ab [btrfs] [ 42.941613] [<ffffffffc05ab625>] ? open_ctree+0x1d5c/0x1d5c [btrfs] [ 42.948049] [<ffffffffc05ab625>] ? open_ctree+0x1d5c/0x1d5c [btrfs] [ 42.954507] [<ffffffff8105093d>] ? kthread+0x99/0xa1 [ 42.959630] [<ffffffff81050000>] ? add_sysfs_param.isra.2+0xa3/0x138 [ 42.966171] [<ffffffff81050000>] ? add_sysfs_param.isra.2+0xa3/0x138 [ 42.972688] [<ffffffff810508a4>] ? __kthread_parkme+0x58/0x58 [ 42.978621] [<ffffffff813b2b6c>] ? ret_from_fork+0x7c/0xb0 [ 42.984263] [<ffffffff810508a4>] ? __kthread_parkme+0x58/0x58 [ 42.990198] ---[ end trace 1f31e98e3191d55e ]--- and one during subvolume creation on a newly created and mounted filesystem: [ 235.438726] BTRFS: device label BTR3 devid 1 transid 3 /dev/sde [ 235.446448] BTRFS: device label BTR3 devid 2 transid 3 /dev/sdf [ 235.454083] BTRFS: device label BTR3 devid 3 transid 3 /dev/sdg [ 235.461932] BTRFS: device label BTR3 devid 4 transid 3 /dev/sdh [ 235.963243] ------------[ cut here ]------------ [ 235.967958] WARNING: CPU: 1 PID: 3646 at fs/btrfs/delayed-inode.c:1410 btrfs_commit_transaction+0x386/0x88c [btrfs]() [ 235.978657] Modules linked in: nfsd auth_rpcgss oid_registry nfs_acl nfs lockd grace fscache sunrpc xfs libcrc32c loop raid10 md_mod x86_pkg_temp_thermal coretemp kvm_intel kvm crc32 aesni_intel i2c_i801 aes_x86_64 ablk_helper cryptd lrw gf128mul iTCO_wdt glue_helper iTCO_vendor_support psmouse i2c_core pcspkr serio_raw evdev microcode lpc_ich mfd_core battery ipmi_ _tis tpm acpi_cpufreq button processor ie31200_edac edac_core btrfs xor raid6_pq sg sd_mod uas usb_storage hid_generic usbhid hid ahci libahci libata mpt2sas crc32c_intel raid_class scs csi_mod ehci_pci pps_core ehci_hcd thermal fan thermal_sys usbcore usb_common [ 236.046561] CPU: 1 PID: 3646 Comm: btrfs Tainted: G W 3.18.0-rc1 #12 [ 236.054388] Hardware name: Supermicro X9SCL/X9SCM/X9SCL/X9SCM, BIOS 2.0a 06/08/2012 [ 236.062124] 0000000000000000 0000000000000009 ffffffff813aeaf1 0000000000000000 [ 236.069875] ffffffff8103b70a ffff8800d7313b78 ffffffffc05ad1d1 ffff880406288280 [ 236.077630] ffff8800d8a83000 ffff880406288200 0000000000000000 ffff88040632f000 [ 236.085377] Call Trace: [ 236.087893] [<ffffffff813aeaf1>] ? dump_stack+0x41/0x51 [ 236.093281] [<ffffffff8103b70a>] ? warn_slowpath_common+0x78/0x90 [ 236.099542] [<ffffffffc05ad1d1>] ? btrfs_commit_transaction+0x386/0x88c [btrfs] [ 236.107026] [<ffffffffc05ad1d1>] ? btrfs_commit_transaction+0x386/0x88c [btrfs] [ 236.114508] [<ffffffffc0594870>] ? block_rsv_release_bytes+0xe2/0x101 [btrfs] [ 236.121821] [<ffffffffc0607932>] ? create_subvol+0x585/0x5dd [btrfs] [ 236.128342] [<ffffffffc05d50c7>] ? btrfs_mksubvol.isra.59+0x3b2/0x430 [btrfs] [ 236.135653] [<ffffffffc05d51ec>] ? btrfs_ioctl_snap_create_transid+0xa7/0x17c [btrfs] [ 236.143660] [<ffffffffc05d530f>] ? btrfs_ioctl_snap_create+0x4e/0x67 [btrfs] [ 236.150860] [<ffffffff8127ac63>] ? tty_insert_flip_string_fixed_flag+0x44/0xad [ 236.158259] [<ffffffffc05d7a4e>] ? btrfs_ioctl+0x6d9/0x211e [btrfs] [ 236.164679] [<ffffffff8127bdd0>] ? pty_write+0x44/0x4e [ 236.169975] [<ffffffff81063a03>] ? remove_wait_queue+0xf/0x48 [ 236.175874] [<ffffffff81277622>] ? n_tty_write+0x3d2/0x405 [ 236.181516] [<ffffffff811454e6>] ? fsnotify+0x237/0x273 [ 236.186897] [<ffffffff8112760e>] ? do_vfs_ioctl+0x3ec/0x435 [ 236.192622] [<ffffffff8105bf9e>] ? vtime_account_user+0x35/0x40 [ 236.198696] [<ffffffff811276a0>] ? SyS_ioctl+0x49/0x77 [ 236.203990] [<ffffffff813b2d91>] ? tracesys_phase2+0x75/0xd9 [ 236.209806] [<ffffffff813b2df0>] ? tracesys_phase2+0xd4/0xd9 [ 236.215618] ---[ end trace 1f31e98e3191d564 ]--- Regards, Petr -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
