zabbix_sender Tainted: and soft lockup.

[nathanValley]

I noticed this in my /var/log/messages file from a couple days ago. Anyone see this before?

Apr 20 15:07:03 data kernel: BUG: soft lockup - CPU#1 stuck for 10s! [zabbix_sender:18713]
Apr 20 15:07:03 data kernel: CPU 1:
Apr 20 15:07:03 data kernel: Modules linked in: autofs4 hidp rfcomm l2cap bluetooth vmmemctl(U) sunrpc ip_conntrack_netbios_ns ip_conntrack nfnetlink iptable_filter ip_tables ip6t_REJECT xt_tcpudp ip6table_filter ip6_tables x_tables ipv6 xfrm_nalgo crypto_api vmhgfs(
U) dm_multipath scsi_dh video hwmon backlight sbs i2c_ec button battery asus_acpi acpi_memhotplug ac lp sg ata_piix libata floppy i2c_piix4 ide_cd parport_pc e1000 parport i2c_core pcspkr cdrom shpchp serio_raw dm_raid45 dm_message dm_region_hash dm_mem_cache dm_snap
shot dm_zero dm_mirror dm_log dm_mod mptspi mptscsih mptbase scsi_transport_spi sd_mod scsi_mod ext3 jbd uhci_hcd ohci_hcd ehci_hcd
Apr 20 15:07:03 data kernel: Pid: 18713, comm: zabbix_sender Tainted: G      2.6.18-128.1.1.el5 #1
Apr 20 15:07:03 data kernel: RIP: 0010:[<ffffffff8002ad8a>]  [<ffffffff8002ad8a>] flush_tlb_page+0x57/0xda
Apr 20 15:07:03 data kernel: RSP: 0018:ffff81037010db08  EFLAGS: 00000286
Apr 20 15:07:03 data kernel: RAX: ffff81054cabb0c0 RBX: ffff81036c76ec00 RCX: 0000000000000000
Apr 20 15:07:03 data kernel: RDX: ffff810100000000 RSI: ffff81036c76eed8 RDI: ffff81037010db28
Apr 20 15:07:03 data kernel: RBP: 00000000a180524d R08: 0000000049ecf1c6 R09: 0000000000000007
Apr 20 15:07:03 data kernel: R10: 0000000009ef47b2 R11: 00000000a180524d R12: ffff81036c76ec00
Apr 20 15:07:03 data kernel: R13: 0000000000000282 R14: ffff81011510c940 R15: ffffffff800c8749
Apr 20 15:07:03 data kernel: FS:  0000000000000000(0000) GS:ffff81011510c840(0000) knlGS:0000000000000000
Apr 20 15:07:03 data kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Apr 20 15:07:03 data kernel: CR2: 00007fff0b25dee0 CR3: 000000036f634000 CR4: 00000000000006e0
Apr 20 15:07:03 data kernel:
Apr 20 15:07:03 data kernel: Call Trace:
Apr 20 15:07:03 data kernel:  [<ffffffff8002addf>] flush_tlb_page+0xac/0xda
Apr 20 15:07:03 data kernel:  [<ffffffff80009492>] __handle_mm_fault+0xe27/0xe5c
Apr 20 15:07:03 data kernel:  [<ffffffff80066b9a>] do_page_fault+0x4cb/0x830
Apr 20 15:07:03 data kernel:  [<ffffffff80016846>] prio_tree_insert+0x182/0x231
Apr 20 15:07:03 data kernel:  [<ffffffff8005dde9>] error_exit+0x0/0x84
Apr 20 15:07:03 data kernel:  [<ffffffff8001908a>] load_elf_binary+0x12f1/0x181a
Apr 20 15:07:03 data kernel:  [<ffffffff80019077>] load_elf_binary+0x12de/0x181a
Apr 20 15:07:03 data kernel:  [<ffffffff800178ee>] copy_strings+0x1ef/0x200
Apr 20 15:07:03 data kernel:  [<ffffffff8003f2a5>] search_binary_handler+0xbb/0x26d
Apr 20 15:07:03 data kernel:  [<ffffffff8003e83a>] do_execve+0x16a/0x1f7
Apr 20 15:07:03 data kernel:  [<ffffffff8005492d>] sys_execve+0x36/0x4c
Apr 20 15:07:03 data kernel:  [<ffffffff8005d4d3>] stub_execve+0x67/0xb0
Apr 20 15:07:03 data kernel:

Then it repeats 10 seconds later.

I'm running zabbix_sender on a 64 bit, RHEL 5 with all patches applied. It's also a virtual machine running on VMWare ESXi, the latest versions on brand new hardware.

zabbix sender is version 1.6.4