Exalytics Bare Metal Server Crashed and Logs Show Stack Trace and Error "BUG: soft lockup - CPU#27 stuck for 61s! [opmn:25759]" (Doc ID 2096374.1)

Last updated on APRIL 02, 2024

Applies to:

Symptoms

While trying to install Oracle Virtual Box (Vbox) on an Exalytics bare metal server (P2) with Linux version 2.6.32-100.23.1.el5, the server crashed.
Just before crash, the console showed messages like:

Starting udev:Call Trace:
[] ? __posix_lock_file+0x6b/0x3e7
[] ? posix_lock_file+0x16/0x18
[] ? vfs_lock_file+0x30/0x32
[] ? locks_remove_posix+0x91/0xb2
[] ? filp_close+0x64/0x77
[] ? sys_close+0x7e/0xbc
[] ? system_call_fastpath+0x16/0x1b
BUG: soft lockup - CPU#27 stuck for 61s! [opmn:25759]
Modules linked in: vboxpci(U) vboxnetadp(U) vboxnetflt(U) vboxdrv(U) mptctl(U) mptbase(U) autofs4(U) ipmi_devintf(U) ipmi_si(U) ipmi_msghandler(U) hidp(U) rfcomm(U) l2cap(U) bluetooth(U) rfkill(U) lockd(U) sunrpc(U) cpufreq_ondemand(U) acpi_cpufreq(U) freq_table(U) bonding(U) rdma_ucm(U) rdma_cm(U) iw_cm(U) ib_addr(U) ib_ipoib(U) ib_cm(U) ipv6(U) ib_uverbs(U) ib_umad(U) mlx4_vnic(U) mlx4_vnic_helper(U) ib_sa(U) mlx4_ib(U) mlx4_core(U) ib_mthca(U) ib_mad(U) ib_core(U) raid1(U) raid0(U) video(U) output(U) sbs(U) sbshc(U) parport_pc(U) lp(U) parport(U) mpt2sas(U) raid_class(U) scsi_transport_sas(U) joydev(U) ixgbe(U) mdio(U) igb(U) dca(U) snd_seq_dummy(U) snd_seq_oss(U) snd_seq_midi_event(U) snd_seq(U) snd_seq_device(U) i2c_i801(U) i2c_core(U) snd_pcm_oss(U) iTCO_wdt(U) iTCO_vendor_support(U) snd_mixer_oss(U) snd_pcm(U) snd_timer(U) snd(U) soundcore(U) snd_page_alloc(U) pcspkr(U) qla2xxx(U) scsi_transport_fc(U) scsi_tgt(U) ahci(U) shpchp(U) megaraid_sas(U) uhci_hcd(U) ohci_hcd(U) ehci_hcd(U) [last unloaded: microcode]
Modules linked in: vboxpci(U) vboxnetadp(U) vboxnetflt(U) vboxdrv(U) mptctl(U) mptbase(U) autofs4(U) ipmi_devintf(U) ipmi_si(U) ipmi_msghandler(U) hidp(U) rfcom

The server did not automatically restart and had to be power cycled from the ILOM to restart.

Cause

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