Additional info:
reporter:       libreport-2.3.0
WARNING: CPU: 1 PID: 978 at drivers/net/wireless/iwlwifi/mvm/tx.c:197 iwl_mvm_set_tx_params+0x66a/0x770 [iwlmvm]()
Got an HT rate for a non data frame 0x88
Modules linked in: ccm rfcomm nf_conntrack_netbios_ns nf_conntrack_broadcast ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 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 bnep btusb bluetooth uvcvideo videobuf2_vmalloc videobuf2_core videobuf2_memops v4l2_common videodev hid_multitouch media x86_pkg_temp_thermal coretemp kvm_intel kvm arc4 snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_controller iwlmvm mac80211 snd_hda_codec iTCO_wdt iTCO_vendor_support iwlwifi crct10dif_pclmul
 crc32_pclmul snd_hwdep crc32c_intel joydev serio_raw ghash_clmulni_intel snd_seq cfg80211 snd_seq_device snd_pcm wmi snd_timer snd mei_me mei ideapad_laptop lpc_ich sparse_keymap shpchp mfd_core i2c_i801 rfkill soundcore binfmt_misc i915 i2c_algo_bit drm_kms_helper drm r8169 mii video
CPU: 1 PID: 978 Comm: wpa_supplicant Not tainted 3.18.0-0.rc0.git8.1.fc22.x86_64 #1
Hardware name: LENOVO 20309/Strawberry 5D, BIOS 8ACN30WW 12/06/2013
 0000000000000000 000000004839b844 ffff8802374fb678 ffffffff8185845f
 0000000000000000 ffff8802374fb6d0 ffff8802374fb6b8 ffffffff810ab9f1
 ffff8802374fb6b8 ffff88023b388300 ffff8802397faa48 ffff880085710826
Call Trace:
 [<ffffffff8185845f>] dump_stack+0x4e/0x68
 [<ffffffff810ab9f1>] warn_slowpath_common+0x81/0xa0
 [<ffffffff810aba65>] warn_slowpath_fmt+0x55/0x70
 [<ffffffffa04e324a>] iwl_mvm_set_tx_params+0x66a/0x770 [iwlmvm]
 [<ffffffff81028c7a>] ? native_sched_clock+0x2a/0xa0
 [<ffffffffa04e35d4>] iwl_mvm_tx_skb+0x54/0x400 [iwlmvm]
 [<ffffffff81028c7a>] ? native_sched_clock+0x2a/0xa0
 [<ffffffffa04d9992>] iwl_mvm_mac_tx+0xb2/0x1c0 [iwlmvm]
 [<ffffffffa0406070>] __ieee80211_tx+0x2f0/0x3f0 [mac80211]
 [<ffffffffa04097fc>] ieee80211_tx+0xfc/0x130 [mac80211]
 [<ffffffffa0409bea>] ieee80211_xmit+0x9a/0xf0 [mac80211]
 [<ffffffffa040a8a7>] ieee80211_subif_start_xmit+0x767/0x1180 [mac80211]
 [<ffffffffa040a18d>] ? ieee80211_subif_start_xmit+0x4d/0x1180 [mac80211]
 [<ffffffff81714c87>] dev_hard_start_xmit+0x1f7/0x840
 [<ffffffff81714af4>] ? dev_hard_start_xmit+0x64/0x840
 [<ffffffff8173c890>] ? sch_direct_xmit+0xe0/0x240
 [<ffffffff8173c8b8>] sch_direct_xmit+0x108/0x240
 [<ffffffff817155cd>] __dev_queue_xmit+0x2fd/0x9e0
 [<ffffffff8171532f>] ? __dev_queue_xmit+0x5f/0x9e0
 [<ffffffff81703886>] ? skb_copy_datagram_from_iovec+0x66/0x2e0
 [<ffffffff81715cc0>] dev_queue_xmit+0x10/0x20
 [<ffffffff8183b707>] packet_sendmsg+0x1037/0x11a0
 [<ffffffff81028c7a>] ? native_sched_clock+0x2a/0xa0
 [<ffffffff816f1c10>] sock_sendmsg+0xa0/0xe0
 [<ffffffff81216e79>] ? might_fault+0xb9/0xc0
 [<ffffffff81216e1e>] ? might_fault+0x5e/0xc0
 [<ffffffff816f1dd4>] SYSC_sendto+0x124/0x1c0
 [<ffffffff8113c309>] ? current_kernel_time+0x69/0xd0
 [<ffffffff8117aafc>] ? __audit_syscall_entry+0x9c/0xf0
 [<ffffffff8102d21e>] ? do_audit_syscall_entry+0x6e/0x70
 [<ffffffff8102eb0b>] ? syscall_trace_enter_phase1+0x13b/0x1a0
 [<ffffffff81107b5d>] ? trace_hardirqs_on_caller+0x15d/0x200
 [<ffffffff816f30de>] SyS_sendto+0xe/0x10
 [<ffffffff81862669>] system_call_fastpath+0x12/0x17

Potential duplicate: bug 1151836