from /var/log/messages Nov 20 20:04:29 exnetold kernel: Modules linked in: fuse bridge ebtable_filter ebtables tun 8021q bnx2fc cnic uio garp mrp fcoe stp llc libfcoe libfc scsi_transport_fc nvidia_modeset(POE) nf_log_ipv4 nf_log_common xt_LOG xt_limit xt_multiport ip6t_REJECT nf_reject_ipv6 nf_conntrack_ipv6 nf_defrag_ipv6 xt_CHECKSUM xt_conntrack iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack ip6table_filter ip6_tables hwmon_vid btrfs snd_hda_codec_analog xor snd_hda_codec_generic raid6_pq snd_hda_codec_hdmi powernow_k8 snd_hda_intel kvm_amd snd_hda_codec nvidia(POE) kvm snd_hda_core snd_hwdep ppdev irqbypass snd_seq snd_seq_device snd_pcm amd64_edac_mod edac_mce_amd edac_core snd_timer snd drm parport_pc k8temp soundcore shpchp parport asus_atk0110 i2c_nforce2 Nov 20 20:04:29 exnetold kernel: acpi_cpufreq tpm_tis tpm vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) binfmt_misc ata_generic pata_acpi serio_raw sata_nv forcedeth fjes analog gameport joydev i2c_dev Nov 20 20:04:29 exnetold kernel: CPU: 1 PID: 16330 Comm: kworker/u4:0 Tainted: P OE 4.4.6-301.fc23.x86_64 #1 Nov 20 20:04:29 exnetold kernel: Hardware name: System manufacturer System Product Name/M2N, BIOS 0902 02/16/2009 Nov 20 20:04:29 exnetold kernel: Workqueue: btrfs-extent-refs btrfs_extent_refs_helper [btrfs] Nov 20 20:04:29 exnetold kernel: 0000000000000286 0000000061a6ce66 ffff88008c797ae0 ffffffff813b542e Nov 20 20:04:29 exnetold kernel: 0000000000000000 ffffffffa0c944d2 ffff88008c797b18 ffffffff810a40f2 Nov 20 20:04:29 exnetold kernel: 00000006e7a80000 00000000fffffffe 0000000000000000 ffff88004edc0000 Nov 20 20:04:29 exnetold kernel: Call Trace: Nov 20 20:04:29 exnetold kernel: [<ffffffff813b542e>] dump_stack+0x63/0x85 Nov 20 20:04:29 exnetold kernel: [<ffffffff810a40f2>] warn_slowpath_common+0x82/0xc0 Nov 20 20:04:29 exnetold kernel: [<ffffffff810a423a>] warn_slowpath_null+0x1a/0x20 Nov 20 20:04:29 exnetold kernel: [<ffffffffa0bf8148>] __btrfs_free_extent.isra.69+0x898/0xd30 [btrfs] Nov 20 20:04:29 exnetold kernel: [<ffffffffa0be99e6>] ? btrfs_free_path+0x26/0x30 [btrfs] Nov 20 20:04:29 exnetold kernel: [<ffffffffa0bf6601>] ? __btrfs_inc_extent_ref.isra.53+0x11/0x270 [btrfs] Nov 20 20:04:29 exnetold kernel: [<ffffffffa0bfc0fc>] __btrfs_run_delayed_refs+0xa7c/0x11a0 [btrfs] Nov 20 20:04:29 exnetold kernel: [<ffffffffa0bff4f2>] btrfs_run_delayed_refs+0x82/0x2a0 [btrfs] Nov 20 20:04:29 exnetold kernel: [<ffffffffa0bff747>] delayed_ref_async_start+0x37/0x90 [btrfs] Nov 20 20:04:29 exnetold kernel: [<ffffffffa0c45f42>] btrfs_scrubparity_helper+0xc2/0x2e0 [btrfs] Nov 20 20:04:29 exnetold kernel: [<ffffffff810bae3d>] ? pwq_activate_delayed_work+0x3d/0x90 Nov 20 20:04:29 exnetold kernel: [<ffffffffa0c4619e>] btrfs_extent_refs_helper+0xe/0x10 [btrfs] Nov 20 20:04:29 exnetold kernel: [<ffffffff810bc596>] process_one_work+0x156/0x430 Nov 20 20:04:29 exnetold kernel: [<ffffffff810bc8be>] worker_thread+0x4e/0x450 Nov 20 20:04:29 exnetold kernel: [<ffffffff810bc870>] ? process_one_work+0x430/0x430 Nov 20 20:04:29 exnetold kernel: [<ffffffff810c2648>] kthread+0xd8/0xf0 Nov 20 20:04:29 exnetold kernel: [<ffffffff810c2570>] ? kthread_worker_fn+0x160/0x160 Nov 20 20:04:29 exnetold kernel: [<ffffffff817a090f>] ret_from_fork+0x3f/0x70 Nov 20 20:04:29 exnetold kernel: [<ffffffff810c2570>] ? kthread_worker_fn+0x160/0x160 Nov 20 20:04:29 exnetold kernel: ---[ end trace 4a87ca727985e15e ]--- Nov 20 20:04:29 exnetold kernel: BTRFS info (device sda1): leaf 95421874176 total ptrs 209 free space 3459 Nov 20 20:04:29 exnetold kernel: #011item 0 key (29654663168 169 0) itemoff 16250 itemsize 33 Nov 20 20:04:29 exnetold kernel: #011#011extent refs 1 gen 400 flags 258 8717 itemsize 33 ...... long text ...... Nov 20 20:04:30 exnetold kernel: #011#011extent refs 1 gen 473 flags 258 Nov 20 20:04:30 exnetold kernel: #011#011shared block backref parent 29657972736 Nov 20 20:04:30 exnetold kernel: #011item 208 key (29658071040 169 0) itemoff 8684 itemsize 33 Nov 20 20:04:30 exnetold kernel: #011#011extent refs 1 gen 473 flags 258 Nov 20 20:04:30 exnetold kernel: #011#011shared block backref parent 29657972736 Nov 20 20:04:30 exnetold kernel: BTRFS error (device sda1): unable to find ref byte nr 29656350720 parent 0 root 448 owner 1 offset 0 Nov 20 20:04:30 exnetold kernel: ------------[ cut here ]------------ Nov 20 20:04:30 exnetold kernel: WARNING: CPU: 1 PID: 16330 at fs/btrfs/extent-tree.c:6549 __btrfs_free_extent.isra.69+0x8ff/0xd30 [btrfs]() Nov 20 20:04:30 exnetold kernel: Modules linked in: fuse bridge ebtable_filter ebtables tun 8021q bnx2fc cnic uio garp mrp fcoe stp llc libfcoe libfc scsi_transport_fc nvidia_modeset(POE) nf_log_ipv4 nf_log_common xt_LOG xt_limit xt_multiport ip6t_REJECT nf_reject_ipv6 nf_conntrack_ipv6 nf_defrag_ipv6 xt_CHECKSUM xt_conntrack iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack ip6table_filter ip6_tables hwmon_vid btrfs snd_hda_codec_analog xor snd_hda_codec_generic raid6_pq snd_hda_codec_hdmi powernow_k8 snd_hda_intel kvm_amd snd_hda_codec nvidia(POE) kvm snd_hda_core snd_hwdep ppdev irqbypass snd_seq snd_seq_device snd_pcm amd64_edac_mod edac_mce_amd edac_core snd_timer snd drm parport_pc k8temp soundcore shpchp parport asus_atk0110 i2c_nforce2 Nov 20 20:04:30 exnetold kernel: acpi_cpufreq tpm_tis tpm vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) binfmt_misc ata_generic pata_acpi serio_raw sata_nv forcedeth fjes analog gameport joydev i2c_dev Nov 20 20:04:30 exnetold kernel: CPU: 1 PID: 16330 Comm: kworker/u4:0 Tainted: P W OE 4.4.6-301.fc23.x86_64 #1 Nov 20 20:04:30 exnetold kernel: Hardware name: System manufacturer System Product Name/M2N, BIOS 0902 02/16/2009 Nov 20 20:04:30 exnetold kernel: Workqueue: btrfs-extent-refs btrfs_extent_refs_helper [btrfs] Nov 20 20:04:30 exnetold kernel: 0000000000000286 0000000061a6ce66 ffff88008c797a88 ffffffff813b542e Nov 20 20:04:30 exnetold kernel: ffff88008c797ad0 ffffffffa0c944d2 ffff88008c797ac0 ffffffff810a40f2 Nov 20 20:04:30 exnetold kernel: 00000006e7a80000 00000000fffffffe 0000000000000000 ffff88004edc0000 Nov 20 20:04:30 exnetold kernel: Call Trace: Nov 20 20:04:30 exnetold kernel: [<ffffffff813b542e>] dump_stack+0x63/0x85 Nov 20 20:04:30 exnetold kernel: [<ffffffff810a40f2>] warn_slowpath_common+0x82/0xc0 Nov 20 20:04:30 exnetold kernel: [<ffffffff810a418c>] warn_slowpath_fmt+0x5c/0x80 Nov 20 20:04:30 exnetold kernel: [<ffffffffa0bf81af>] __btrfs_free_extent.isra.69+0x8ff/0xd30 [btrfs] Nov 20 20:04:30 exnetold kernel: [<ffffffffa0be99e6>] ? btrfs_free_path+0x26/0x30 [btrfs] Nov 20 20:04:30 exnetold kernel: [<ffffffffa0bf6601>] ? __btrfs_inc_extent_ref.isra.53+0x11/0x270 [btrfs] Nov 20 20:04:30 exnetold kernel: [<ffffffffa0bfc0fc>] __btrfs_run_delayed_refs+0xa7c/0x11a0 [btrfs] Nov 20 20:04:30 exnetold kernel: [<ffffffffa0bff4f2>] btrfs_run_delayed_refs+0x82/0x2a0 [btrfs] Nov 20 20:04:30 exnetold kernel: [<ffffffffa0bff747>] delayed_ref_async_start+0x37/0x90 [btrfs] Nov 20 20:04:30 exnetold kernel: [<ffffffffa0c45f42>] btrfs_scrubparity_helper+0xc2/0x2e0 [btrfs] Nov 20 20:04:30 exnetold kernel: [<ffffffff810bae3d>] ? pwq_activate_delayed_work+0x3d/0x90 Nov 20 20:04:30 exnetold kernel: [<ffffffffa0c4619e>] btrfs_extent_refs_helper+0xe/0x10 [btrfs] Nov 20 20:04:30 exnetold kernel: [<ffffffff810bc596>] process_one_work+0x156/0x430 Nov 20 20:04:30 exnetold kernel: [<ffffffff810bc8be>] worker_thread+0x4e/0x450 Nov 20 20:04:30 exnetold kernel: [<ffffffff810bc870>] ? process_one_work+0x430/0x430 Nov 20 20:04:30 exnetold kernel: [<ffffffff810c2648>] kthread+0xd8/0xf0 Nov 20 20:04:30 exnetold kernel: [<ffffffff810c2570>] ? kthread_worker_fn+0x160/0x160 Nov 20 20:04:30 exnetold kernel: [<ffffffff817a090f>] ret_from_fork+0x3f/0x70 Nov 20 20:04:30 exnetold kernel: [<ffffffff810c2570>] ? kthread_worker_fn+0x160/0x160 Nov 20 20:04:30 exnetold kernel: ---[ end trace 4a87ca727985e15f ]--- Nov 20 20:04:30 exnetold kernel: BTRFS warning (device sda1): __btrfs_free_extent:6549: Aborting unused transaction(No such entry). Nov 20 20:04:30 exnetold kernel: BTRFS warning (device sda1): btrfs_run_delayed_refs:2927: Aborting unused transaction(No such entry). Nov 20 20:04:30 exnetold kernel: ------------[ cut here ]------------ Nov 20 20:04:30 exnetold kernel: WARNING: CPU: 1 PID: 16330 at fs/btrfs/extent-tree.c:6543 __btrfs_free_extent.isra.69+0x898/0xd30 [btrfs]() Nov 20 20:04:30 exnetold kernel: Modules linked in: fuse bridge ebtable_filter ebtables tun 8021q bnx2fc cnic uio garp mrp fcoe stp llc libfcoe libfc scsi_transport_fc nvidia_modeset(POE) nf_log_ipv4 nf_log_common xt_LOG xt_limit xt_multiport ip6t_REJECT nf_reject_ipv6 nf_conntrack_ipv6 nf_defrag_ipv6 xt_CHECKSUM xt_conntrack iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack ip6table_filter ip6_tables hwmon_vid btrfs snd_hda_codec_analog xor snd_hda_codec_generic raid6_pq snd_hda_codec_hdmi powernow_k8 snd_hda_intel kvm_amd snd_hda_codec nvidia(POE) kvm snd_hda_core snd_hwdep ppdev irqbypass snd_seq snd_seq_device snd_pcm amd64_edac_mod edac_mce_amd edac_core snd_timer snd drm parport_pc k8temp soundcore shpchp parport asus_atk0110 i2c_nforce2 Nov 20 20:04:30 exnetold kernel: acpi_cpufreq tpm_tis tpm vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) binfmt_misc ata_generic pata_acpi serio_raw sata_nv forcedeth fjes analog gameport joydev i2c_dev Nov 20 20:04:30 exnetold kernel: CPU: 1 PID: 16330 Comm: kworker/u4:0 Tainted: P W OE 4.4.6-301.fc23.x86_64 #1 Nov 20 20:04:30 exnetold kernel: Hardware name: System manufacturer System Product Name/M2N, BIOS 0902 02/16/2009 Nov 20 20:04:30 exnetold kernel: Workqueue: btrfs-extent-refs btrfs_extent_refs_helper [btrfs] Nov 20 20:04:30 exnetold kernel: 0000000000000286 0000000061a6ce66 ffff88008c797ae0 ffffffff813b542e Nov 20 20:04:30 exnetold kernel: 0000000000000000 ffffffffa0c944d2 ffff88008c797b18 ffffffff810a40f2 Nov 20 20:04:30 exnetold kernel: 00000006e813c000 00000000fffffffe 0000000000000000 ffff88004edc0000 Nov 20 20:04:30 exnetold kernel: Call Trace: Nov 20 20:04:30 exnetold kernel: [<ffffffff813b542e>] dump_stack+0x63/0x85 Nov 20 20:04:30 exnetold kernel: [<ffffffff810a40f2>] warn_slowpath_common+0x82/0xc0 Nov 20 20:04:30 exnetold kernel: [<ffffffff810a423a>] warn_slowpath_null+0x1a/0x20 Nov 20 20:04:30 exnetold kernel: [<ffffffffa0bf8148>] __btrfs_free_extent.isra.69+0x898/0xd30 [btrfs] Nov 20 20:04:30 exnetold kernel: [<ffffffff810fa10a>] ? console_unlock+0x20a/0x540 Nov 20 20:04:30 exnetold kernel: [<ffffffff810dabc2>] ? enqueue_entity+0x3a2/0xc90 Nov 20 20:04:30 exnetold kernel: [<ffffffffa0bfc0fc>] __btrfs_run_delayed_refs+0xa7c/0x11a0 [btrfs] Nov 20 20:04:30 exnetold kernel: [<ffffffff8104f57d>] ? native_smp_send_reschedule+0x4d/0x70 Nov 20 20:04:30 exnetold kernel: [<ffffffff810cc1c5>] ? resched_curr+0x65/0xc0 Nov 20 20:04:30 exnetold kernel: [<ffffffffa0bff4f2>] btrfs_run_delayed_refs+0x82/0x2a0 [btrfs] Nov 20 20:04:30 exnetold kernel: [<ffffffffa0bff747>] delayed_ref_async_start+0x37/0x90 [btrfs] Nov 20 20:04:30 exnetold kernel: [<ffffffffa0c45f42>] btrfs_scrubparity_helper+0xc2/0x2e0 [btrfs] Nov 20 20:04:30 exnetold kernel: [<ffffffff810bae3d>] ? pwq_activate_delayed_work+0x3d/0x90 Nov 20 20:04:30 exnetold kernel: [<ffffffffa0c4619e>] btrfs_extent_refs_helper+0xe/0x10 [btrfs] Nov 20 20:04:30 exnetold kernel: [<ffffffff810bc596>] process_one_work+0x156/0x430 Nov 20 20:04:30 exnetold kernel: [<ffffffff810bc8be>] worker_thread+0x4e/0x450 Nov 20 20:04:30 exnetold kernel: [<ffffffff810bc870>] ? process_one_work+0x430/0x430 Nov 20 20:04:30 exnetold kernel: [<ffffffff810c2648>] kthread+0xd8/0xf0 Nov 20 20:04:30 exnetold kernel: [<ffffffff810c2570>] ? kthread_worker_fn+0x160/0x160 Nov 20 20:04:30 exnetold kernel: [<ffffffff817a090f>] ret_from_fork+0x3f/0x70 Nov 20 20:04:30 exnetold kernel: [<ffffffff810c2570>] ? kthread_worker_fn+0x160/0x160 Nov 20 20:04:30 exnetold kernel: ---[ end trace 4a87ca727985e160 ]--- Nov 20 20:04:30 exnetold kernel: BTRFS info (device sda1): leaf 95549276160 total ptrs 230 free space 270 Nov 20 20:04:30 exnetold kernel: #011item 0 key (29662576640 169 0) itemoff 16250 itemsize 33 Nov 20 20:04:30 exnetold kernel: #011#011extent refs 1 gen 473 flags 258 Nov 20 20:04:30 exnetold kernel: #011#011shared block backref parent 29657972736 ...... long text ...... Nov 20 20:04:30 exnetold kernel: #011#011shared block backref parent 29744676864 Nov 20 20:04:30 exnetold kernel: #011#011shared block backref parent 29637902336 Nov 20 20:04:30 exnetold kernel: #011#011shared block backref parent 21741715456 Nov 20 20:04:30 exnetold kernel: #011#011shared block backref parent 21556609024 Nov 20 20:04:30 exnetold kernel: BTRFS error (device sda1): unable to find ref byte nr 29663412224 parent 0 root 448 owner 1 offset 0 Nov 20 20:04:30 exnetold kernel: BTRFS: error (device sda1) in __btrfs_free_extent:6549: errno=-2 No such entry Nov 20 20:04:31 exnetold kernel: BTRFS info (device sda1): forced readonly Nov 20 20:04:31 exnetold kernel: BTRFS: error (device sda1) in btrfs_run_delayed_refs:2927: errno=-2 No such entry ................ Nov 20 20:04:44 exnetold kernel: BTRFS error (device sda1): cleaner transaction attach returned -30
In data lunedì 21 novembre 2016 13:09:15, b...@adria.it ha scritto: > Hi. > > My system: Fedora 23, kernel-4.7.10-100.fc23.x86_64 > btrfs-progs-4.4.1-1.fc23.x86_64 > > Testing the remote differential receive (via ssh and in local network) of 24 > sequential snapshots, and simultaneously deleting the snapshot, (in the > same file system, but in a different subvolume), there has been an file > access error, and the file system has corrupt. > > Both scrub, both recovery and clear_cache mount options, both btrfsck, have > failed, the file system is left in a state unusable. > > After reformatting the filesystem, remote receive of 24 snapshots worked > properly. > > The file system is used exclusively for receive the snapshot, it is composed > of a single device. > The initial snapshot is a linux installation of 50Gb. > > > I think that there was a race condition between the receive and deletion of > snapshots (that were performed on two different subvolume). > > > Best regards. > > gdb > > ---------------------------------------------------- > This mail has been sent using Alpikom webmail system > http://www.alpikom.it -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
