hi,
sometimes have this error, how to fix that?
[25756.806219] EXT4-fs (loop0): mounted filesystem with ordered data mode. Opts: (null)
[25779.509494] ------------[ cut here ]------------
[25779.509511] WARNING: CPU: 4 PID: 32659 at fs/ext4/ext4.h:2544 write_mmp_block+0xb4/0x160()
[25779.509522] Modules linked in: ip_set ip6table_filter ip6_tables iptable_filter ip_tables softdog x_tables nfsd auth_rpcgss nfs_acl nfs lockd grace fscache sunrpc ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi bonding nfnetlink_log nfnetlink intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul aesni_intel snd_pcm aes_x86_64 gpio_ich snd_timer lrw snd soundcore lpc_ich pcspkr psmouse joydev i7core_edac edac_core dcdbas serio_raw input_leds gf128mul glue_helper ablk_helper cryptd shpchp ipmi_ssif ioatdma dca acpi_power_meter wmi mac_hid 8250_fintek vhost_net vhost macvtap macvlan ipmi_si ipmi_poweroff ipmi_devintf ipmi_msghandler autofs4 hid_generic usbmouse usbkbd usbhid hid mpt2sas raid_class scsi_transport_sas bnx2
[25779.509628] CPU: 4 PID: 32659 Comm: kmmpd-loop0 Not tainted 4.2.6-1-pve #1
[25779.509635] Hardware name: Dell Inc. PowerEdge R510/084YMW, BIOS 1.11.0 07/23/2012
[25779.509641] 0000000000000000 00000000cb0ac178 ffff8804cba9fd78 ffffffff818013c8
[25779.509646] 0000000000000000 0000000000000000 ffff8804cba9fdb8 ffffffff8107b66a
[25779.509650] 000000010061223d ffff881003503000 ffff88074fa39000 ffff880da8945000
[25779.509656] Call Trace:
[25779.509668] [<ffffffff818013c8>] dump_stack+0x45/0x57
[25779.509685] [<ffffffff8107b66a>] warn_slowpath_common+0x8a/0xc0
[25779.509693] [<ffffffff8107b79a>] warn_slowpath_null+0x1a/0x20
[25779.509714] [<ffffffff812c5504>] write_mmp_block+0xb4/0x160
[25779.509728] [<ffffffff812c5aec>] kmmpd+0x2cc/0x400
[25779.509742] [<ffffffff81803c4e>] ? __schedule+0x37e/0x950
[25779.509747] [<ffffffff812c5820>] ? __dump_mmp_msg+0x70/0x70
[25779.509753] [<ffffffff8109acaa>] kthread+0xea/0x100
[25779.509758] [<ffffffff8109abc0>] ? kthread_create_on_node+0x1f0/0x1f0
[25779.509764] [<ffffffff8180879f>] ret_from_fork+0x3f/0x70
[25779.509773] [<ffffffff8109abc0>] ? kthread_create_on_node+0x1f0/0x1f0
[25779.509776] ---[ end trace 1fee8cd6b50cbee4 ]---
# pveversion -v
proxmox-ve: 4.1-34 (running kernel: 4.2.6-1-pve)
pve-manager: 4.1-5 (running version: 4.1-5/f910ef5c)
pve-kernel-4.2.6-1-pve: 4.2.6-34
lvm2: 2.02.116-pve2
corosync-pve: 2.3.5-2
libqb0: 0.17.2-1
pve-cluster: 4.0-31
qemu-server: 4.0-49
pve-firmware: 1.1-7
libpve-common-perl: 4.0-45
libpve-access-control: 4.0-11
libpve-storage-perl: 4.0-38
pve-libspice-server1: 0.12.5-2
vncterm: 1.2-1
pve-qemu-kvm: 2.5-3
pve-container: 1.0-39
pve-firewall: 2.0-15
pve-ha-manager: 1.0-19
ksm-control-daemon: 1.2-1
glusterfs-client: 3.5.2-2+deb8u1
lxc-pve: 1.1.5-6
lxcfs: 0.13-pve3
cgmanager: 0.39-pve1
criu: 1.6.0-1
fence-agents-pve: 4.0.20-1
sometimes have this error, how to fix that?
[25756.806219] EXT4-fs (loop0): mounted filesystem with ordered data mode. Opts: (null)
[25779.509494] ------------[ cut here ]------------
[25779.509511] WARNING: CPU: 4 PID: 32659 at fs/ext4/ext4.h:2544 write_mmp_block+0xb4/0x160()
[25779.509522] Modules linked in: ip_set ip6table_filter ip6_tables iptable_filter ip_tables softdog x_tables nfsd auth_rpcgss nfs_acl nfs lockd grace fscache sunrpc ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi bonding nfnetlink_log nfnetlink intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul aesni_intel snd_pcm aes_x86_64 gpio_ich snd_timer lrw snd soundcore lpc_ich pcspkr psmouse joydev i7core_edac edac_core dcdbas serio_raw input_leds gf128mul glue_helper ablk_helper cryptd shpchp ipmi_ssif ioatdma dca acpi_power_meter wmi mac_hid 8250_fintek vhost_net vhost macvtap macvlan ipmi_si ipmi_poweroff ipmi_devintf ipmi_msghandler autofs4 hid_generic usbmouse usbkbd usbhid hid mpt2sas raid_class scsi_transport_sas bnx2
[25779.509628] CPU: 4 PID: 32659 Comm: kmmpd-loop0 Not tainted 4.2.6-1-pve #1
[25779.509635] Hardware name: Dell Inc. PowerEdge R510/084YMW, BIOS 1.11.0 07/23/2012
[25779.509641] 0000000000000000 00000000cb0ac178 ffff8804cba9fd78 ffffffff818013c8
[25779.509646] 0000000000000000 0000000000000000 ffff8804cba9fdb8 ffffffff8107b66a
[25779.509650] 000000010061223d ffff881003503000 ffff88074fa39000 ffff880da8945000
[25779.509656] Call Trace:
[25779.509668] [<ffffffff818013c8>] dump_stack+0x45/0x57
[25779.509685] [<ffffffff8107b66a>] warn_slowpath_common+0x8a/0xc0
[25779.509693] [<ffffffff8107b79a>] warn_slowpath_null+0x1a/0x20
[25779.509714] [<ffffffff812c5504>] write_mmp_block+0xb4/0x160
[25779.509728] [<ffffffff812c5aec>] kmmpd+0x2cc/0x400
[25779.509742] [<ffffffff81803c4e>] ? __schedule+0x37e/0x950
[25779.509747] [<ffffffff812c5820>] ? __dump_mmp_msg+0x70/0x70
[25779.509753] [<ffffffff8109acaa>] kthread+0xea/0x100
[25779.509758] [<ffffffff8109abc0>] ? kthread_create_on_node+0x1f0/0x1f0
[25779.509764] [<ffffffff8180879f>] ret_from_fork+0x3f/0x70
[25779.509773] [<ffffffff8109abc0>] ? kthread_create_on_node+0x1f0/0x1f0
[25779.509776] ---[ end trace 1fee8cd6b50cbee4 ]---
# pveversion -v
proxmox-ve: 4.1-34 (running kernel: 4.2.6-1-pve)
pve-manager: 4.1-5 (running version: 4.1-5/f910ef5c)
pve-kernel-4.2.6-1-pve: 4.2.6-34
lvm2: 2.02.116-pve2
corosync-pve: 2.3.5-2
libqb0: 0.17.2-1
pve-cluster: 4.0-31
qemu-server: 4.0-49
pve-firmware: 1.1-7
libpve-common-perl: 4.0-45
libpve-access-control: 4.0-11
libpve-storage-perl: 4.0-38
pve-libspice-server1: 0.12.5-2
vncterm: 1.2-1
pve-qemu-kvm: 2.5-3
pve-container: 1.0-39
pve-firewall: 2.0-15
pve-ha-manager: 1.0-19
ksm-control-daemon: 1.2-1
glusterfs-client: 3.5.2-2+deb8u1
lxc-pve: 1.1.5-6
lxcfs: 0.13-pve3
cgmanager: 0.39-pve1
criu: 1.6.0-1
fence-agents-pve: 4.0.20-1
