Description of problem:
Azureus was running. Aside from that, might as well be looking up the rear end of a duck. Has occured once per minute the late ten min.

Additional info:
reporter:       libreport-2.1.5.3.g0e49
BUG: soft lockup - CPU#0 stuck for 22s! [java:4802]
Modules linked in: nfsv4 nfs dns_resolver fscache nf_conntrack_netbios_ns nf_conntrack_broadcast ipt_MASQUERADE ip6table_mangle ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 iptable_nat nf_nat_ipv4 nf_nat iptable_mangle nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ebtable_filter ebtables ip6table_filter ip6_tables f71882fg iTCO_wdt iTCO_vendor_support nouveau mxm_wmi wmi video i2c_algo_bit ttm drm_kms_helper drm acpi_cpufreq mperf i2c_i801 i2c_core coretemp r8169 serio_raw lpc_ich mii mfd_core kvm microcode nfsd auth_rpcgss nfs_acl lockd sunrpc binfmt_misc dm_crypt ata_generic pata_acpi usb_storage pata_sil680 sata_promise pata_marvell
CPU 0 
Pid: 4802, comm: java Not tainted 3.9.8-200.fc18.x86_64 #1 MICRO-STAR INTERNATIONAL CO.,LTD P35 Platinum(MS-7345)/P35 Platinum(MS-7345)
RIP: 0010:[<ffffffff81305e48>]  [<ffffffff81305e48>] radix_tree_lookup_element+0x48/0x90
RSP: 0018:ffff88023018fbe8  EFLAGS: 00000286
RAX: 000000000000001c RBX: ffff880230280000 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 00000000000d99da RDI: 0000000000000001
RBP: ffff88023018fbe8 R08: ffffea00000f1fc0 R09: ffff88022b9f4d50
R10: ffff88023018ffd8 R11: 0000000000040000 R12: ffffffff8109786f
R13: ffff88023018fb68 R14: 0000000300000020 R15: 0000000400000000
FS:  00007f85ba7bd700(0000) GS:ffff88023fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 00007f30bed01000 CR3: 0000000230214000 CR4: 00000000000007f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process java (pid: 4802, threadinfo ffff88023018e000, task ffff880233a3aee0)
Stack:
 ffff88023018fbf8 ffffffff81305e9e ffff88023018fc38 ffffffff8113412c
 ffff88023018fc48 ffff88022ba10d00 00000000000d99da 0000000000000026
 ffff88022be39e00 ffffea00088c3cc0 ffff88023018fd18 ffffffff8113588d
Call Trace:
 [<ffffffff81305e9e>] radix_tree_lookup_slot+0xe/0x10
 [<ffffffff8113412c>] find_get_page+0x3c/0x110
 [<ffffffff8113588d>] generic_file_aio_read+0x25d/0x6c0
 [<ffffffff81135630>] ? generic_file_aio_write+0x100/0x100
 [<ffffffff811a09e3>] do_sync_readv_writev+0xa3/0xe0
 [<ffffffff811a0cc4>] do_readv_writev+0xd4/0x1e0
 [<ffffffff811a0e62>] vfs_readv+0x32/0x60
 [<ffffffff811a0ee2>] sys_readv+0x52/0xc0
 [<ffffffff810dfe6c>] ? __audit_syscall_exit+0x20c/0x2c0
 [<ffffffff8166ac59>] system_call_fastpath+0x16/0x1b
Code: 3b 34 c5 20 7a ce 81 77 5a 8d 04 7f 8d 4c 00 fa eb 04 90 4d 89 c1 48 89 f0 48 d3 e8 83 e0 3f 48 83 c0 02 4d 8b 44 c1 08 4d 85 c0 <74> 36 83 e9 06 83 ef 01 75 de 49 8d 44 c1 08 49 83 e0 fe 85 d2