Hello guys,
we have currently an issue with our ceph setup based on XFS. Sometimes
some nodes are dying with high load with this calltrace in dmesg:
[Tue Jun 13 13:18:48 2017] BUG: unable to handle kernel NULL pointer
dereference at 00000000000000a0
[Tue Jun 13 13:18:48 2017] IP: [<ffffffffc06555a0>]
xfs_da3_node_read+0x30/0xb0 [xfs]
[Tue Jun 13 13:18:48 2017] PGD 0
[Tue Jun 13 13:18:48 2017] Oops: 0000 [#1] SMP
[Tue Jun 13 13:18:48 2017] Modules linked in: cpuid arc4 md4 nls_utf8
cifs fscache nfnetlink_queue nfnetlink xt_CHECKSUM xt_nat iptable_nat
nf_nat_ipv4 xt_NFQUEUE xt_CLASSIFY ip6table_mangle dccp_diag dccp
tcp_diag udp_diag inet_diag unix_diag af_packet_diag netlink_diag veth
dummy bridge stp llc ebtable_filter ebtables iptable_mangle xt_CT
iptable_raw nf_conntrack_ipv4 nf_defrag_ipv4 iptable_filter ip_tables
xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 xt_conntrack ip6table_filter
ip6_tables x_tables xfs ipmi_devintf dcdbas x86_pkg_temp_thermal
intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul
ghash_clmulni_intel aesni_intel ipmi_ssif aes_x86_64 lrw gf128mul
glue_helper ablk_helper cryptd sb_edac edac_core input_leds joydev
lpc_ich ioatdma shpchp 8250_fintek ipmi_si ipmi_msghandler acpi_pad
acpi_power_meter
[Tue Jun 13 13:18:48 2017] mac_hid vhost_net vhost macvtap macvlan
kvm_intel kvm irqbypass cdc_ether nf_nat_ftp tcp_htcp nf_nat_pptp
nf_nat_proto_gre nf_conntrack_ftp bonding nf_nat_sip nf_conntrack_sip
nf_nat nf_conntrack_pptp nf_conntrack_proto_gre nf_conntrack usbnet mii
lp parport autofs4 btrfs raid456 async_raid6_recov async_memcpy async_pq
async_xor async_tx xor raid6_pq libcrc32c raid0 multipath linear raid10
raid1 hid_generic usbhid hid ixgbe igb vxlan ip6_udp_tunnel ahci dca
udp_tunnel libahci i2c_algo_bit ptp megaraid_sas pps_core mdio wmi fjes
[Tue Jun 13 13:18:48 2017] CPU: 3 PID: 3844 Comm: tp_fstore_op Not
tainted 4.4.0-75-generic #96-Ubuntu
[Tue Jun 13 13:18:48 2017] Hardware name: Dell Inc. PowerEdge
R720/0XH7F2, BIOS 2.5.4 01/22/2016
[Tue Jun 13 13:18:48 2017] task: ffff881feda65400 ti: ffff883fbda08000
task.ti: ffff883fbda08000
[Tue Jun 13 13:18:48 2017] RIP: 0010:[<ffffffffc06555a0>]
[<ffffffffc06555a0>] xfs_da3_node_read+0x30/0xb0 [xfs]
[Tue Jun 13 13:18:48 2017] RSP: 0018:ffff883fbda0bc88 EFLAGS: 00010286
[Tue Jun 13 13:18:48 2017] RAX: 0000000000000000 RBX: ffff8801102c5050
RCX: 0000000000000001
[Tue Jun 13 13:18:48 2017] RDX: 0000000000000000 RSI: 0000000000000000
RDI: ffff883fbda0bc38
[Tue Jun 13 13:18:48 2017] RBP: ffff883fbda0bca8 R08: 0000000000000001
R09: fffffffffffffffe
[Tue Jun 13 13:18:48 2017] R10: ffff880007374ae0 R11: 0000000000000001
R12: ffff883fbda0bcd8
[Tue Jun 13 13:18:48 2017] R13: ffff880035ac4c80 R14: 0000000000000001
R15: 000000008b1f4885
[Tue Jun 13 13:18:48 2017] FS: 00007fc574607700(0000)
GS:ffff883fff040000(0000) knlGS:0000000000000000
[Tue Jun 13 13:18:48 2017] CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
[Tue Jun 13 13:18:48 2017] CR2: 00000000000000a0 CR3: 0000003fd828d000
CR4: 00000000001426e0
[Tue Jun 13 13:18:48 2017] Stack:
[Tue Jun 13 13:18:48 2017] ffffffffc06b4b50 ffffffffc0695ecc
ffff883fbda0bde0 0000000000000001
[Tue Jun 13 13:18:48 2017] ffff883fbda0bd20 ffffffffc06718b3
0000000300000008 ffff880e99b44010
[Tue Jun 13 13:18:48 2017] 00000000360c65a8 ffff88270f80b900
0000000000000000 0000000000000000
[Tue Jun 13 13:18:48 2017] Call Trace:
[Tue Jun 13 13:18:48 2017] [<ffffffffc0695ecc>] ?
xfs_trans_roll+0x2c/0x50 [xfs]
[Tue Jun 13 13:18:48 2017] [<ffffffffc06718b3>]
xfs_attr3_node_inactive+0x183/0x220 [xfs]
[Tue Jun 13 13:18:48 2017] [<ffffffffc06718f9>]
xfs_attr3_node_inactive+0x1c9/0x220 [xfs]
[Tue Jun 13 13:18:48 2017] [<ffffffffc06719fc>]
xfs_attr3_root_inactive+0xac/0x100 [xfs]
[Tue Jun 13 13:18:48 2017] [<ffffffffc0671b9c>]
xfs_attr_inactive+0x14c/0x1a0 [xfs]
[Tue Jun 13 13:18:48 2017] [<ffffffffc068bda5>] xfs_inactive+0x85/0x120
[xfs]
[Tue Jun 13 13:18:48 2017] [<ffffffffc06912f5>]
xfs_fs_evict_inode+0xa5/0x100 [xfs]
[Tue Jun 13 13:18:48 2017] [<ffffffff8122a90e>] evict+0xbe/0x190
[Tue Jun 13 13:18:48 2017] [<ffffffff8122abf1>] iput+0x1c1/0x240
[Tue Jun 13 13:18:48 2017] [<ffffffff8121f6b9>] do_unlinkat+0x199/0x2d0
[Tue Jun 13 13:18:48 2017] [<ffffffff81220256>] SyS_unlink+0x16/0x20
[Tue Jun 13 13:18:48 2017] [<ffffffff8183b972>]
entry_SYSCALL_64_fastpath+0x16/0x71
[Tue Jun 13 13:18:48 2017] Code: 55 48 89 e5 41 54 53 4d 89 c4 48 89 fb
48 83 ec 10 48 c7 04 24 50 4b 6b c0 e8 dd fe ff ff 85 c0 75 46 48 85 db
74 41 49 8b 34 24 <48> 8b 96 a0 00 00 00 0f b7 52 08 66 c1 c2 08 66 81
fa be 3e 74
[Tue Jun 13 13:18:48 2017] RIP [<ffffffffc06555a0>]
xfs_da3_node_read+0x30/0xb0 [xfs]
[Tue Jun 13 13:18:48 2017] RSP <ffff883fbda0bc88>
[Tue Jun 13 13:18:48 2017] CR2: 00000000000000a0
[Tue Jun 13 13:18:48 2017] ---[ end trace 5470d0d55cacb4ef ]---
The OSD has then the issue that it can not reach any other osd in the
pool.
-1043> 2017-06-13 13:24:00.917597 7fc539a72700 0 --
192.168.14.19:6827/3389 >> 192.168.14.7:6805/3658 pipe(0x558219846000
sd=23 :6827
s=0 pgs=0 cs=0 l=0 c=0x55821a330400).accept connect_seq 7 vs existing 7
state standby
-1042> 2017-06-13 13:24:00.918433 7fc539a72700 0 --
192.168.14.19:6827/3389 >> 192.168.14.7:6805/3658 pipe(0x558219846000
sd=23 :6827
s=0 pgs=0 cs=0 l=0 c=0x55821a330400).accept connect_seq 8 vs existing 7
state standby
-1041> 2017-06-13 13:24:03.654983 7fc4dd21d700 0 --
192.168.14.19:6825/3389 >> :/0 pipe(0x5581fa6ba000 sd=524 :6825 s=0
pgs=0 cs=0 l=0
c=0x55820a9e5000).accept failed to getpeername (107) Transport endpoint
is not connected
There are a lot more of these messages. Does any of you have the same
issue? We are running Ubuntu 16.04 with kernel 4.4.0-75.96.
Best regards,
Jonas
_______________________________________________
ceph-users mailing list
ceph-users@xxxxxxxxxxxxxx
http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
