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EL5 Server Crashes with Error "soft lockup - CPU#3 stuck for 10s! [emcpdefd:4957]" (Doc ID 1120103.1)

Last updated on AUGUST 04, 2018

Applies to:

Linux OS - Version Oracle Linux 5.4 and later
Linux x86
Linux x86-64
***Checked for relevance on 27-Mar-2013***

Symptoms

Server crashes with errors below:

May 14 00:31:16 host kernel: BUG: soft lockup - CPU#3 stuck for 10s! [emcpdefd:4957]
May 14 00:31:16 host kernel: CPU 3:
May 14 00:31:16 host kernel: Modules linked in: oracleacfs(PFU) oracleadvm(PFU) oracleoks(PU) nfs fscache nfs_acl ipmi_devintf ipmi_si ipmi_msghandler oracleasm(U) autofs4 lockd sunrpc bonding ipv6 xfrm_nalgo crypto_api emcpdm(PU) emcpgpx(PU) emcpmpx(PU) emcp(PU) dm_multipath scsi_dh video hwmon backlight sbs i2c_ec i2c_core button battery asus_acpi acpi_memhotplug ac parport_pc lp parport sr_mod cdrom sg shpchp pcspkr serio_raw hpilo e1000e dm_raid45 dm_message dm_region_hash dm_mem_cache dm_snapshot dm_zero dm_mirror dm_log dm_mod usb_storage lpfc scsi_transport_fc ata_piix libata cciss sd_mod scsi_mod ext3 jbd uhci_hcd ohci_hcd ehci_hcd
May 14 00:31:16 host kernel: Pid: 4957, comm: emcpdefd Tainted: PF     2.6.18-164.el5 #1
May 14 00:31:16 host kernel: RIP: 0010:[<ffffffff80075c0e>]  [<ffffffff80075c0e>] __smp_call_function+0x66/0x8b
May 14 00:31:16 host kernel: RSP: 0018:ffff8109074e7e20  EFLAGS: 00000297
May 14 00:31:16 host kernel: RAX: 000000000000000e RBX: 0000000000000000 RCX: 0000000000000000
May 14 00:31:16 host kernel: RDX: 00000000000000ff RSI: 00000000000000ff RDI: 00000000000000c0
May 14 00:31:16 host kernel: RBP: 0000000000000000 R08: 0000000000000010 R09: 0000000000000030
May 14 00:31:16 host kernel: R10: ffff8109074e7d80 R11: 0000000000000000 R12: 0000000000000000
May 14 00:31:16 host kernel: R13: 0000000000000000 R14: 000000000000fff7 R15: 0000000000000282
May 14 00:31:16 host kernel: FS:  00002affc1810240(0000) GS:ffff8109180b86c0(0000) knlGS:0000000000000000
May 14 00:31:16 host kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
May 14 00:31:16 host kernel: CR2: 00000000006bdc5c CR3: 00000011b52fd000 CR4: 00000000000006e0
May 14 00:31:16 host kernel:
May 14 00:31:16 host kernel: Call Trace:
May 14 00:31:16 host kernel:  [<ffffffff80075b15>] do_flush_tlb_all+0x0/0x6a
May 14 00:31:16 host kernel:  [<ffffffff80075d40>] smp_call_function+0x32/0x47
May 14 00:31:16 host kernel:  [<ffffffff80001c20>] _stext+0xc20/0x1000
May 14 00:31:16 host kernel:  [<ffffffff80075b15>] do_flush_tlb_all+0x0/0x6a
May 14 00:31:16 host kernel:  [<ffffffff8009359a>] on_each_cpu+0x10/0x22
May 14 00:31:16 host kernel:  [<ffffffff800cf62c>] __remove_vm_area+0x2b/0x42
May 14 00:31:16 host kernel:  [<ffffffff800cf7d1>] vfree+0x0/0x2b
May 14 00:31:16 host kernel:  [<ffffffff800cf65b>] remove_vm_area+0x18/0x25
May 14 00:31:16 host kernel:  [<ffffffff800cf6af>] __vunmap+0x47/0xed
May 14 00:31:16 host kernel:  [<ffffffff800cf7d1>] vfree+0x0/0x2b
May 14 00:31:16 host kernel:  [<ffffffff883bfda5>] :emcp:PowerServiceDaemonQ+0xa5/0xd0
May 14 00:31:16 host kernel:  [<ffffffff8005dfb1>] child_rip+0xa/0x11
May 14 00:31:16 host kernel:  [<ffffffff883bfdd0>] :emcp:PowerDaemonStart+0x0/0x20
May 14 00:31:16 host kernel:  [<ffffffff8005dfa7>] child_rip+0x0/0x11

May 14 00:31:16 host kernel: BUG: soft lockup - CPU#14 stuck for 10s! [powermt:26116]
May 14 00:31:16 host kernel: CPU 14:
May 14 00:31:16 host kernel: Modules linked in: oracleacfs(PFU) oracleadvm(PFU) oracleoks(PU) nfs fscache nfs_acl ipmi_devintf ipmi_si ipmi_msghandler oracleasm(U) autofs4 lockd sunrpc bonding ipv6 xfrm_nalgo crypto_api emcpdm(PU) emcpgpx(PU) emcpmpx(PU) emcp(PU) dm_multipath scsi_dh video hwmon backlight sbs i2c_ec i2c_core button battery asus_acpi acpi_memhotplug ac parport_pc lp parport sr_mod cdrom sg shpchp pcspkr serio_raw hpilo e1000e dm_raid45 dm_message dm_region_hash dm_mem_cache dm_snapshot dm_zero dm_mirror dm_log dm_mod usb_storage lpfc scsi_transport_fc ata_piix libata cciss sd_mod scsi_mod ext3 jbd uhci_hcd ohci_hcd ehci_hcd
May 14 00:31:16 host kernel: Pid: 26116, comm: powermt Tainted: PF     2.6.18-164.el5 #1
May 14 00:31:16 host kernel: RIP: 0010:[<ffffffff80062151>]  [<ffffffff80062151>] __write_lock_failed+0x9/0x20
May 14 00:31:16 host kernel: RSP: 0018:ffff810591405d98  EFLAGS: 00000287
May 14 00:31:16 host kernel: RAX: ffffc20000000000 RBX: ffffc20000000000 RCX: ffffe1ffffffffff
May 14 00:31:16 host kernel: RDX: 000000000000f000 RSI: 00000000000000d0 RDI: ffffffff8030e72c
May 14 00:31:16 host kernel: RBP: 0000000100000000 R08: 00000000ffffffff R09: 0000000000000000
May 14 00:31:16 host kernel: R10: 00000000006585e0 R11: 0000000000000207 R12: 00000002000200d2
May 14 00:31:16 host kernel: R13: ffff81000005dc10 R14: 00000044000280d2 R15: ffff81000005dc10
May 14 00:31:16 host kernel: FS:  00002aeb58030240(0000) GS:ffff81011fe8a440(0000) knlGS:0000000000000000
May 14 00:31:16 host kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
May 14 00:31:16 host kernel: CR2: 00007ffff805a000 CR3: 000000059112f000 CR4: 00000000000006e0
May 14 00:31:16 host kernel:
May 14 00:31:16 host kernel: Call Trace:
May 14 00:31:16 host kernel:  [<ffffffff80064a6d>] _write_lock+0xe/0xf
May 14 00:31:16 host kernel:  [<ffffffff800cf1ef>] __get_vm_area_node+0xb7/0x17f
May 14 00:31:16 host kernel:  [<ffffffff800cf98a>] __vmalloc_node+0x38/0x58
May 14 00:31:16 host kernel:  [<ffffffff883ba1be>] :emcp:PowerPlatformMalloc+0xee/0x180
May 14 00:31:16 host kernel:  [<ffffffff883caf36>] :emcp:emcp_iocmd+0xd6/0x220
May 14 00:31:16 host kernel:  [<ffffffff883cb1fc>] :emcp:emcp_pseudo_ctl_ioctl+0x17c/0x3d0
May 14 00:31:16 host kernel:  [<ffffffff80064c4d>] lock_kernel+0x1b/0x32
May 14 00:31:16 host kernel:  [<ffffffff800420d9>] do_ioctl+0x55/0x6b
May 14 00:31:16 host kernel:  [<ffffffff800302ce>] vfs_ioctl+0x457/0x4b9
May 14 00:31:16 host kernel:  [<ffffffff800b61b0>] audit_syscall_entry+0x180/0x1b3
May 14 00:31:16 host kernel:  [<ffffffff8004c766>] sys_ioctl+0x59/0x78
May 14 00:31:16 host kernel:  [<ffffffff8005d28d>] tracesys+0xd5/0xe0



Cause

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In this Document
Symptoms
Cause
Solution


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