[PCA 2.x] Compute Node Reboots at "WARNING: at lib/list_debug.c:47 __list_del_entry" (Doc ID 2236357.1)

Last updated on AUGUST 21, 2022

Applies to:

Symptoms

On Private Cloud Appliance, a compute node gets rebooted without particular hardware failures.

On the host console, which can be reviewed by gathering an ILOM Snapshot, the Compute Node records shortly before the reboot :

• ------------[ cut here ]------------
  WARNING: at lib/list_debug.c:47 __list_del_entry+0x63/0xd0()
  Hardware name: ORACLE SERVER X5-2
  list_del corruption, ffff88019bcaf1c0->next is LIST_POISON1 (dead000000100100)
  Modules linked in: tun ocfs2 jbd2 xen_blkback xen_netback xen_gntdev xen_evtchn i2c_dev i2c_core ipmi_devintf ipmi_si ocfs2_dlmfs ocfs2_stack_o2cb ocfs2_dlm ocfs2_nodemanager ocfs2_stackglue configfs nfs fscache auth_rpcgss nfs_acl lockd sunrpc scsi_dh_alua 8021q garp bridge stp llc xsvhba scsi_transport_fc scsi_tgt xve cdc_ether usbnet mii xsvnic bonding xscore be2iscsi iscsi_boot_sysfs iscsi_tcp bnx2i cnic uio cxgb3i libcxgbi cxgb3 mdio libiscsi_tcp libiscsi scsi_transport_iscsi dm_round_robin dm_multipath ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm ib_addr ipv6 mlx4_ib ib_sa ib_mad ib_core xenfs xen_privcmd video sbs sbshc acpi_memhotplug acpi_ipmi ipmi_msghandler parport_pc lp parport mlx4_en wmi mlx4_core ixgbe hwmon dca snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd ghes soundcore snd_page_alloc hed pcspkr dm_snapshot dm_zero dm_mirror dm_region_hash dm_log dm_mod ahci libahci sg shpchp megaraid_sas sd_mod crc_t10dif ext3 jbd mbcache^M^M
  Pid: 25283, comm: kworker/u:0 Not tainted 2.6.39-400.279.1.el5uek #1
  Call Trace:
  [<ffffffff81264a63>] ? __list_del_entry+0x63/0xd0
  [<ffffffff8106f3a0>] warn_slowpath_common+0x90/0xc0
  [<ffffffff8106f4ce>] warn_slowpath_fmt+0x6e/0x70
  [<ffffffff8107089c>] ? printk+0x6c/0x70
  [<ffffffff81264a63>] __list_del_entry+0x63/0xd0
  [<ffffffff81264ae1>] list_del+0x11/0x40
  [<ffffffffa0297e41>] xve_remove_fwt_entry+0x81/0x100 [xve]
  [<ffffffffa02983a3>] xve_aging_task_machine+0x1a3/0x240 [xve]
  [<ffffffffa028ec5a>] xve_start_aging_work+0x4a/0x80 [xve]
  [<ffffffff8108c5f9>] process_one_work+0xf9/0x370
  [<ffffffffa028ec10>] ? queue_age_work+0x120/0x120 [xve]
  [<ffffffff8108cf3a>] worker_thread+0xca/0x240
  [<ffffffff8108ce70>] ? manage_workers+0x90/0x90
  [<ffffffff81091517>] kthread+0x97/0xa0
  [<ffffffff815136c4>] kernel_thread_helper+0x4/0x10
  [<ffffffff815127c3>] ? int_ret_from_sys_call+0x7/0x1b
  [<ffffffff8150a361>] ? retint_restore_args+0x5/0x6
  [<ffffffff815136c0>] ? gs_change+0x13/0x13
  ---[ end trace 27f4b25ae6f5792a ]---

Cause

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