On Wed, Jun 14, 2017 at 10:22:38AM +0200, list@xxxxxxxxxxxxxxx wrote: > 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] What line does this point at (i.e., 'list *xfs_da3_node_read+0x30' from gdb) on your kernel? Brian > [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 ceph OSD running on this server 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 > -- > To unsubscribe from this list: send the line "unsubscribe linux-xfs" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-xfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
