Additional info:
reporter:       libreport-2.1.9
WARNING: CPU: 3 PID: 0 at drivers/net/wireless/ath/carl9170/tx.c:354 carl9170_tx_status+0x486/0x530 [carl9170]()
Modules linked in: bnep bluetooth nf_conntrack_netbios_ns nf_conntrack_broadcast ipt_MASQUERADE ip6t_REJECT xt_conntrack ebtable_nat ebtable_broute bridge stp llc ebtable_filter ebtables ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw snd_usb_audio snd_usbmidi_lib snd_hda_codec_hdmi arc4 uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_hda_codec_realtek carl9170 ath snd_rawmidi videodev media mac80211 joydev cfg80211 snd_hda_intel rfkill kvm_amd kvm snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm ppdev shpchp snd_page_alloc snd_timer snd soundcore i2c_nforce2 microcode parport_pc parport serio_raw k10temp edac_core edac_mce_amd asus_atk0110 acpi_cpufreq mperf nfsd auth_rpcgss nfs_acl lockd sunrpc i2c_algo_bit drm_kms_helper ttm drm pata_marvell ata_generic i2c_core pata_acpi pata_amd sata_nv
CPU: 3 PID: 0 Comm: swapper/3 Not tainted 3.11.10-301.fc20.x86_64 #1
Hardware name: System manufacturer System Product Name/M2N68-AM Plus, BIOS 1802    06/10/2010
 0000000000000009 ffff88023fcc3be8 ffffffff816441db 0000000000000000
 ffff88023fcc3c20 ffffffff8106715d ffff880231ded760 ffff8801d3552b00
 0000000000000000 ffff8802328d6628 ffff8802341c30b2 ffff88023fcc3c30
Call Trace:
 <IRQ>  [<ffffffff816441db>] dump_stack+0x45/0x56
 [<ffffffff8106715d>] warn_slowpath_common+0x7d/0xa0
 [<ffffffff8106723a>] warn_slowpath_null+0x1a/0x20
 [<ffffffffa033da36>] carl9170_tx_status+0x486/0x530 [carl9170]
 [<ffffffffa0337df5>] ? carl9170_usb_rx_complete+0x75/0x100 [carl9170]
 [<ffffffff8164aab5>] ? _raw_spin_unlock_bh+0x15/0x20
 [<ffffffffa033dbe3>] __carl9170_tx_process_status+0x103/0x180 [carl9170]
 [<ffffffffa033e282>] carl9170_tx_process_status+0x52/0xc0 [carl9170]
 [<ffffffffa033f120>] carl9170_handle_command_response+0x1c0/0x5c0 [carl9170]
 [<ffffffffa033f831>] __carl9170_rx+0x311/0xaa0 [carl9170]
 [<ffffffff81311e1d>] ? list_del+0xd/0x30
 [<ffffffffa0340048>] carl9170_rx_stream+0x88/0x400 [carl9170]
 [<ffffffffa03403e5>] carl9170_rx+0x25/0x32 [carl9170]
 [<ffffffffa03379e0>] carl9170_usb_tasklet+0xb0/0xe0 [carl9170]
 [<ffffffff8106be3e>] tasklet_hi_action+0x6e/0x110
 [<ffffffff8106c427>] __do_softirq+0xf7/0x240
 [<ffffffff81654c9c>] call_softirq+0x1c/0x30
 [<ffffffff81014685>] do_softirq+0x55/0x90
 [<ffffffff8106c705>] irq_exit+0xb5/0xc0
 [<ffffffff81655596>] do_IRQ+0x56/0xc0
 [<ffffffff8164af2d>] common_interrupt+0x6d/0x6d
 <EOI>  [<ffffffff8104c416>] ? native_safe_halt+0x6/0x10
 [<ffffffff8101ad7f>] default_idle+0x1f/0xc0
 [<ffffffff8101b646>] arch_cpu_idle+0x26/0x30
 [<ffffffff810b6695>] cpu_startup_entry+0xe5/0x280
 [<ffffffff8103ed47>] start_secondary+0x217/0x2c0