My Oracle Support Banner

Server Crashed With RIP send_mad+0x2ad/0x5d0 (Doc ID 2706127.1)

Last updated on OCTOBER 14, 2020

Applies to:

Oracle Compute Cloud Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

Server rebooted unexpectedly with RIP send_mad+0x2ad/0x5d0

[15420220.464944] BUG: unable to handle kernel NULL pointer dereference at 0000000000000038
[15420220.465682] IP: [] send_mad+0x33d/0x5d0 [ib_sa]
[15420220.465682] PGD 8000000a30a1c067 PUD 16b3b3a067 PMD 0
[15420220.465682] Oops: 0000 [#1] SMP
[15420220.465682] Modules linked in: tcp_diag inet_diag nf_log_ipv4 nf_log_common xt_LOG xt_multiport oracleacfs(PO) oracleadvm(PO) oracleoks(PO) ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype iptable_filter ip_tables xt_conntrack nf_nat nf_conntrack br_netfilter bridge stp llc overlay autofs4 nfsv3 nfs_acl rpcsec_gss_krb5 auth_rpcgss nfsv4 nfs fscache lockd sunrpc grace dm_round_robin sd_mod rds_rdma rds ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad mlx4_ib mlx4_core bnx2i cnic uio cxgb4i libcxgbi cxgb4 ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr ipv6 iscsi_tcp libiscsi_tcp libiscsi ovmapi scsi_transport_iscsi dm_multipath sg fuse xen_netfront i2c_piix4 i2c_core acpi_cpufreq ext4 jbd2 mbcache2 xen_blkfront pata_acpi ata_generic ata_piix
[15420220.465682] dm_mirror dm_region_hash dm_log dm_mod
[15420220.465682] CPU: 5 PID: 46026 Comm: kworker/u256:2 Tainted: P O 4.1.12-124.30.1.el6uek.x86_64 #2
[15420220.465682] Hardware name: Xen HVM domU, BIOS 4.4.4OVM 08/06/2019
[15420220.465682] Workqueue: ib_addr process_req [ib_addr]
[15420220.465682] task: ffff880beabde200 ti: ffff88083d080000 task.ti: ffff88083d080000
[15420220.465682] RIP: 0010:[] [] send_mad+0x33d/0x5d0 [ib_sa]
[15420220.465682] RSP: 0018:ffff88083d083ac8 EFLAGS: 00010206
[15420220.465682] RAX: ffff882759dec010 RBX: 0000000000000000 RCX: 0000000000000000
[15420220.465682] RDX: 0008000000000000 RSI: 0000000000000044 RDI: ffff8803a97a8900
[15420220.465682] RBP: ffff88083d083b38 R08: ffffea0020f36cc2 R09: ffff882759dec010
[15420220.465682] R10: 0000000000000000 R11: ffff8838a7007600 R12: 00000000000000d0
[15420220.465682] R13: ffff8803a97a8900 R14: ffff8806db6a5a48 R15: ffff8806db6a5a10
[15420220.465682] FS: 0000000000000000(0000) GS:ffff8838a7740000(0000) knlGS:0000000000000000
[15420220.465682] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15420220.465682] CR2: 0000000000000038 CR3: 00000005a4c5c000 CR4: 0000000000160670
[15420220.465682] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[15420220.465682] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[15420220.465682] Stack:
[15420220.465682] 0000000000000001 ffff8806db6a5a10 ffffea0020f36cc2 0000000000000000
[15420220.465682] ffff88083d083b38 ffffffffc02333cb ffff882759dec000 0000000000000040
[15420220.465682] ffff880074204400 00000000000000d0 ffff8806db6a5a10 ffff880074204400
[15420220.465682] Call Trace:
[15420220.465682] [] ? ib_pack+0x17b/0x240 [ib_core]
[15420220.465682] [] ib_sa_path_rec_get+0x181/0x200 [ib_sa]
[15420220.465682] [] rdma_resolve_route+0x3c0/0x8d0 [rdma_cm]
[15420220.465682] [] ? cma_bind_port+0xa0/0xa0 [rdma_cm]
[15420220.465682] [] ? rds_rdma_cm_event_handler_cmn+0x8e5/0xc40 [rds_rdma]
[15420220.465682] [] rds_rdma_cm_event_handler_cmn+0x2e9/0xc40 [rds_rdma]
[15420220.942004] [] rds_rdma_cm_event_handler+0x10/0x20 [rds_rdma]
[15420220.955156] [] addr_handler+0x9e/0x140 [rdma_cm]
[15420220.955156] [] ? __schedule+0x24a/0x810
[15420220.955156] [] process_req+0x134/0x190 [ib_addr]
[15420220.955156] [] process_one_work+0x169/0x4a0
[15420220.955156] [] worker_thread+0x5b/0x560
[15420220.955156] [] ? flush_delayed_work+0x50/0x50
[15420220.955156] [] kthread+0xcb/0xf0
[15420220.955156] [] ? __schedule+0x24a/0x810
[15420221.012781] [] ? __schedule+0x24a/0x810
[15420221.023317] [] ? kthread_create_on_node+0x180/0x180
[15420221.023317] [] ret_from_fork+0x47/0x90
[15420221.023317] [] ? kthread_create_on_node+0x180/0x180
[15420221.023317] Code: 30 48 89 48 30 48 8b 52 38 48 89 50 38 49 8b 57 18 0f b6 52 34 88 50 40 48 ba 00 00 00 00 00 00 08 00 49 85 d0 74 0f 48 8b 4d a8 51 38 85 d2 0f 85 e0 01 00 00 41 c6 47 58 01 ba 01 00 00 00
[15420221.023317] RIP [] send_mad+0x33d/0x5d0 [ib_sa]
[15420221.023317] RSP
[15420221.023317] CR2: 0000000000000038

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!


In this Document
Symptoms
Cause
Solution
References


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.