Jan 18 02:56:58 us4 kernel: BUG: soft lockup - CPU#5 stuck for 67s! [VBoxHeadless:3456] Jan 18 02:56:58 us4 kernel: Modules linked in: ipmi_si mpt2sas scsi_transport_sas raid_class mptctl mptbase ipmi_devintf ipmi_msghandler dell_rbu vboxpci(U) vboxnetadp(U) vboxnetflt(U) vboxdrv(U) ipv6 dm_mirror dm_region_hash dm_log power_meter hwmon sg ses enclosure bnx2 dcdbas microcode serio_raw ghes hed iTCO_wdt iTCO_vendor_support i7core_edac edac_core ext3 jbd mbcache sd_mod crc_t10dif megaraid_sas dm_mod [last unloaded: ipmi_si] Jan 18 02:56:58 us4 kernel: CPU 5: Jan 18 02:56:58 us4 kernel: Modules linked in: ipmi_si mpt2sas scsi_transport_sas raid_class mptctl mptbase ipmi_devintf ipmi_msghandler dell_rbu vboxpci(U) vboxnetadp(U) vboxnetflt(U) vboxdrv(U) ipv6 dm_mirror dm_region_hash dm_log power_meter hwmon sg ses enclosure bnx2 dcdbas microcode serio_raw ghes hed iTCO_wdt iTCO_vendor_support i7core_edac edac_core ext3 jbd mbcache sd_mod crc_t10dif megaraid_sas dm_mod [last unloaded: ipmi_si] Jan 18 02:56:58 us4 kernel: Pid: 3456, comm: VBoxHeadless Not tainted 2.6.32-131.21.1.el6.x86_64 #1 PowerEdge R710 Jan 18 02:56:58 us4 kernel: RIP: 0010:[] [] smp_call_function_single+0x132/0x160 Jan 18 02:56:58 us4 kernel: RSP: 0018:ffff880914ac78e8 EFLAGS: 00000202 Jan 18 02:56:58 us4 kernel: RAX: 00000000000111a0 RBX: ffff880914ac7948 RCX: 0000000000000000 Jan 18 02:56:58 us4 kernel: RDX: 0000000000000000 RSI: ffff8800282511a0 RDI: 0000000000000007 Jan 18 02:56:58 us4 kernel: RBP: ffffffff8100bc8e R08: 0000000000000000 R09: 0000000000000000 Jan 18 02:56:58 us4 kernel: R10: 0000000000000002 R11: ffffc9001d451000 R12: 0000000000000000 Jan 18 02:56:58 us4 kernel: R13: ffff880914ac7938 R14: ffffffffa01c5702 R15: ffff880914ac7868 Jan 18 02:56:58 us4 kernel: FS: 00007fe728fc7700(0000) GS:ffff880028240000(0000) knlGS:0000000000000000 Jan 18 02:56:58 us4 kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b Jan 18 02:56:58 us4 kernel: CR2: 00000000000b1000 CR3: 0000000912d63000 CR4: 00000000000026e0 Jan 18 02:56:58 us4 kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Jan 18 02:56:58 us4 kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Jan 18 02:56:58 us4 kernel: Call Trace: Jan 18 02:56:58 us4 kernel: [] ? VBoxHost_RTMpPokeCpu+0x55/0x60 [vboxdrv] Jan 18 02:56:58 us4 kernel: [] ? g_abExecMemory+0x7eda/0x180000 [vboxdrv] Jan 18 02:56:58 us4 kernel: [] ? g_abExecMemory+0x89e19/0x180000 [vboxdrv] Jan 18 02:56:58 us4 kernel: [] ? g_abExecMemory+0x8a031/0x180000 [vboxdrv] Jan 18 02:56:58 us4 kernel: [] ? g_abExecMemory+0x8a966/0x180000 [vboxdrv] Jan 18 02:56:58 us4 kernel: [] ? g_abExecMemory+0x1c64d/0x180000 [vboxdrv] Jan 18 02:56:58 us4 kernel: [] ? g_abExecMemory+0x1cdb8/0x180000 [vboxdrv] Jan 18 02:56:58 us4 kernel: [] ? g_abExecMemory+0x47d37/0x180000 [vboxdrv] Jan 18 02:56:58 us4 kernel: [] ? g_abExecMemory+0x4909f/0x180000 [vboxdrv] Jan 18 02:56:58 us4 kernel: [] ? g_abExecMemory+0x48d9e/0x180000 [vboxdrv] Jan 18 02:56:58 us4 kernel: [] ? g_abExecMemory+0x1e007/0x180000 [vboxdrv] Jan 18 02:56:58 us4 kernel: [] ? g_abExecMemory+0x111c3/0x180000 [vboxdrv] Jan 18 02:56:58 us4 kernel: [] ? g_abExecMemory+0x48d9e/0x180000 [vboxdrv] Jan 18 02:56:58 us4 kernel: [] ? g_abExecMemory+0x47d37/0x180000 [vboxdrv] Jan 18 02:56:58 us4 kernel: [] ? g_abExecMemory+0x48563/0x180000 [vboxdrv] Jan 18 02:56:58 us4 kernel: [] ? g_abExecMemory+0xf024/0x180000 [vboxdrv] Jan 18 02:56:58 us4 kernel: [] ? g_abExecMemory+0xf5ad/0x180000 [vboxdrv] Jan 18 02:56:58 us4 kernel: [] ? g_abExecMemory+0x1535c/0x180000 [vboxdrv] Jan 18 02:56:58 us4 kernel: [] ? g_abExecMemory+0xef86/0x180000 [vboxdrv] Jan 18 02:56:58 us4 kernel: [] ? g_abExecMemory+0x48ed7/0x180000 [vboxdrv] Jan 18 02:56:58 us4 kernel: [] ? g_abExecMemory+0x14f98/0x180000 [vboxdrv] Jan 18 02:56:58 us4 kernel: [] ? supdrvIOCtlFast+0x8a/0xa0 [vboxdrv] Jan 18 02:56:58 us4 kernel: [] ? VBoxDrvLinuxIOCtl_4_1_6+0x4c/0x1d0 [vboxdrv] Jan 18 02:56:58 us4 kernel: [] ? vfs_ioctl+0x22/0xa0 Jan 18 02:56:58 us4 kernel: [] ? do_vfs_ioctl+0xf0/0x580 Jan 18 02:56:58 us4 kernel: [] ? do_vfs_ioctl+0x84/0x580 Jan 18 02:56:58 us4 kernel: [] ? sys_futex+0x7b/0x170 Jan 18 02:56:58 us4 kernel: [] ? sys_ioctl+0x81/0xa0 Jan 18 02:56:58 us4 kernel: [] ? system_call_fastpath+0x16/0x1b