BUG: soft lockup - CPU#0 stuck for 22s! after recent update of Fedora 20

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After a recent update started seeing messages like what is listed below and now complete lock up. Tried going back 1 or 2 kernels but same issue. Wondering if this is a hardware problem? The system is a Dell poweredge SC420 with an Intel P4 2.8 GHz processor. No special additions to it.


Mar 13 18:07:27 localhost kernel: [536424.057006] BUG: soft lockup - CPU#0 stuck for 22s! [kworker/0:0:21796] Mar 13 18:07:27 localhost kernel: [536424.057006] Modules linked in: cfg80211 rfkill nf_conntrack_netbios_ns ip6t_ipv6header ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 nf_conntrack_broadcast nf_conntrack_ftp nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack ip6table_filter nf_conntrack ip6_tables tg3 iTCO_wdt iTCO_vendor_support gpio_ich ppdev dcdbas microcode serio_raw lpc_ich i2c_i801 ptp pps_core parport_pc parport nfsd auth_rpcgss nfs_acl lockd sunrpc i915 video ata_generic i2c_algo_bit pata_acpi drm_kms_helper drm i2c_core pata_jmicron Mar 13 18:07:27 localhost kernel: [536424.057006] CPU: 0 PID: 21796 Comm: kworker/0:0 Not tainted 3.13.5-202.fc20.i686 #1 Mar 13 18:07:27 localhost kernel: [536424.057006] Hardware name: Dell Inc. PowerEdge SC420 /0X3468, BIOS A01 01/28/2005 Mar 13 18:07:27 localhost kernel: [536424.057006] Workqueue: rpciod xs_tcp_setup_socket [sunrpc] Mar 13 18:07:27 localhost kernel: [536424.057006] task: f4d09680 ti: dda8a000 task.ti: dda8a000 Mar 13 18:07:27 localhost kernel: [536424.057006] EIP: 0060:[<c0925cc1>] EFLAGS: 00000246 CPU: 0 Mar 13 18:07:27 localhost kernel: [536424.057006] EIP is at __inet_stream_connect+0xe1/0x2c0 Mar 13 18:07:27 localhost kernel: [536424.057006] EAX: 00000000 EBX: ddb10580 ECX: 00000000 EDX: 00000000 Mar 13 18:07:27 localhost kernel: [536424.057006] ESI: e7609b00 EDI: c0c7e800 EBP: dda8be78 ESP: dda8be48 Mar 13 18:07:27 localhost kernel: [536424.057006] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 Mar 13 18:07:27 localhost kernel: [536424.057006] CR0: 8005003b CR2: b7727000 CR3: 00d5e000 CR4: 000007d0
Mar 13 18:07:27 localhost kernel: [536424.057006] Stack:
Mar 13 18:07:27 localhost kernel: [536424.057006] 00000000 00000000 ffffff8d 00000000 c09abf83 dda8be78 dda8be6c c09ac020 Mar 13 18:07:27 localhost kernel: [536424.057006] 00000246 e7609b00 e650800c 00000010 dda8be90 c0925ecf 00000800 c0a2c1c0 Mar 13 18:07:27 localhost kernel: [536424.057006] 00000800 e65083a0 dda8bea4 c08abd69 00000800 00000000 00000000 dda8bf08
Mar 13 18:07:27 localhost kernel: [536424.057006] Call Trace:
Mar 13 18:07:27 localhost kernel: [536424.057006] [<c09abf83>] ? _raw_spin_unlock_bh+0x13/0x20 Mar 13 18:07:27 localhost kernel: [536424.057006] [<c09ac020>] ? _raw_spin_lock_bh+0x10/0x40 Mar 13 18:07:27 localhost kernel: [536424.057006] [<c0925ecf>] inet_stream_connect+0x2f/0x50 Mar 13 18:07:27 localhost kernel: [536424.057006] [<c08abd69>] kernel_connect+0x19/0x20 Mar 13 18:07:27 localhost kernel: [536424.057006] [<f86434a3>] xs_tcp_setup_socket+0x223/0x610 [sunrpc] Mar 13 18:07:27 localhost kernel: [536424.057006] [<c09abf83>] ? _raw_spin_unlock_bh+0x13/0x20 Mar 13 18:07:27 localhost kernel: [536424.057006] [<c045d4ad>] ? move_linked_works+0x4d/0x70 Mar 13 18:07:27 localhost kernel: [536424.057006] [<c045dbad>] ? pwq_activate_delayed_work+0x2d/0x70 Mar 13 18:07:27 localhost kernel: [536424.057006] [<c045f605>] process_one_work+0x115/0x380 Mar 13 18:07:27 localhost kernel: [536424.057006] [<c045ef9d>] ? destroy_worker+0x6d/0xa0 Mar 13 18:07:27 localhost kernel: [536424.057006] [<c045ff55>] ? manage_workers.isra.28+0x1a5/0x250 Mar 13 18:07:27 localhost kernel: [536424.057006] [<c04600fe>] worker_thread+0xfe/0x330 Mar 13 18:07:27 localhost kernel: [536424.057006] [<c0460000>] ? manage_workers.isra.28+0x250/0x250 Mar 13 18:07:27 localhost kernel: [536424.057006] [<c04658b1>] kthread+0xa1/0xc0 Mar 13 18:07:27 localhost kernel: [536424.057006] [<c09b33f7>] ret_from_kernel_thread+0x1b/0x28 Mar 13 18:07:27 localhost kernel: [536424.057006] [<c0465810>] ? insert_kthread_work+0x30/0x30 Mar 13 18:07:27 localhost kernel: [536424.057006] Code: 45 dc 0f b6 43 12 ba 0c 00 00 00 0f a3 c2 0f 83 2e 01 00 00 80 bb e1 00 00 00 06 c7 45 d4 00 00 00 00 0f 84 72 01 00 00 8b 55 dc <8b> 45 d8 85 d2 0f 84 51 ff ff ff 64 a1 94 e6 d4 c0 89 45 d0 8d
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