Backtrace

WARNING: CPU: 1 PID: 0 at drivers/net/wireless/intel/iwlwifi/pcie/trans.c:2015 iwl_trans_pcie_grab_nic_access+0x1e9/0x220 [iwlwifi]
Modules linked in: ccm rfcomm xt_CHECKSUM xt_MASQUERADE nf_nat_tftp nf_conntrack_tftp nf_conntrack_netbios_ns nf_conntrack_broadcast xt_CT ip6t_REJECT nf_reject_ipv6 ip6t_rpfilter ipt_REJECT nf_reject_ipv4 xt_conntrack ebtable_nat ebtable_broute ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat iptable_mangle iptable_raw iptable_security nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c ip_set nfnetlink tun bridge stp llc ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) cmac bnep sunrpc vfat fat squashfs zstd_decompress iwlmvm rtsx_usb_ms memstick uvcvideo btusb videobuf2_vmalloc btrtl videobuf2_memops btbcm btintel bluetooth videobuf2_v4l2 videobuf2_common ecdh_generic ecc videodev mc mac80211 intel_rapl_msr intel_rapl_common dell_laptop snd_hda_codec_realtek snd_hda_codec_generic libarc4 x86_pkg_temp_thermal ledtrig_audio intel_powerclamp coretemp snd_hda_codec_hdmi kvm_intel
 snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_seq kvm irqbypass intel_cstate iTCO_wdt intel_uncore joydev intel_rapl_perf snd_seq_device dell_wmi iTCO_vendor_support mei_hdcp snd_pcm iwlwifi dell_smm_hwmon dell_smbios snd_timer sparse_keymap dcdbas dell_wmi_descriptor snd soundcore mei_me i2c_i801 mei lpc_ich acpi_pad dw_dmac dell_rbtn wmi_bmof binfmt_misc ip_tables rtsx_usb_sdmmc mmc_core rtsx_usb amdgpu i915 hid_multitouch crct10dif_pclmul crc32_pclmul crc32c_intel amd_iommu_v2 gpu_sched ttm i2c_algo_bit drm_kms_helper ghash_clmulni_intel drm serio_raw r8169 wmi video i2c_hid loop 8192eu(OE) cfg80211 rfkill fuse [last unloaded: vboxguest]
CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W  OE     5.3.16-300.fc31.x86_64 #1
Hardware name: Dell Inc. Inspiron 5548/0YDTG3, BIOS A04 05/15/2015
RIP: 0010:iwl_trans_pcie_grab_nic_access+0x1e9/0x220 [iwlwifi]
Code: 8d e3 49 8d 56 08 bf 00 04 00 00 e8 e1 0b 46 e2 e9 36 ff ff ff 89 c6 48 c7 c7 b8 fd cb c0 c6 05 d4 1b 03 00 01 e8 a5 36 44 e2 <0f> 0b e9 f1 fe ff ff 48 8b 7d 30 48 c7 c1 20 fe cb c0 31 d2 31 f6
RSP: 0018:ffffb205c0108de8 EFLAGS: 00010082
RAX: 0000000000000000 RBX: ffffb205c0108e18 RCX: 0000000000000006
RDX: 0000000000000007 RSI: 0000000000000092 RDI: ffff9b23cea97900
RBP: ffff9b23c88a0028 R08: 0000000000000001 R09: 0000000000000690
R10: 00000000000244c4 R11: 0000000000000003 R12: 0000000000000000
R13: ffff9b23c88a90c4 R14: 00000000ffffffff R15: 000000000000000b
FS:  0000000000000000(0000) GS:ffff9b23cea80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00001e303d911000 CR3: 000000041440a002 CR4: 00000000003626e0
Call Trace:
 <IRQ>
 ? iwl_pcie_txq_inc_wr_ptr+0x100/0x100 [iwlwifi]
 iwl_read_prph+0x34/0x90 [iwlwifi]
 iwl_trans_pcie_log_scd_error+0x13f/0x220 [iwlwifi]
 ? iwl_pcie_txq_inc_wr_ptr+0x100/0x100 [iwlwifi]
 iwl_pcie_txq_stuck_timer+0x36/0x50 [iwlwifi]
 call_timer_fn+0x2d/0x130
 run_timer_softirq+0x180/0x480
 ? timerqueue_add+0x56/0x90
 ? enqueue_hrtimer+0x36/0x90
 __do_softirq+0xee/0x2ff
 irq_exit+0xe9/0xf0
 smp_apic_timer_interrupt+0x76/0x130
 apic_timer_interrupt+0xf/0x20
 </IRQ>
RIP: 0010:cpuidle_enter_state+0xc4/0x420
Code: e8 31 c5 92 ff 80 7c 24 0f 00 74 17 9c 58 0f 1f 44 00 00 f6 c4 02 0f 85 39 03 00 00 31 ff e8 d3 b2 98 ff fb 66 0f 1f 44 00 00 <45> 85 e4 0f 89 cf 01 00 00 c7 45 10 00 00 00 00 48 83 c4 18 44 89
RSP: 0018:ffffb205c00c3e68 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: ffff9b23ceaa8880 RBX: ffffffffa44d6440 RCX: 000000000000001f
RDX: 0000000000000000 RSI: 000000003574f210 RDI: 0000000000000000
RBP: ffff9b23ceab2d00 R08: 000008dd6c6af7dd R09: 00000000000007b1
R10: ffff9b23ceaa76c4 R11: ffff9b23ceaa76a4 R12: 0000000000000004
R13: 000008dd6c6af7dd R14: 0000000000000004 R15: ffff9b23cc59ddc0
 ? cpuidle_enter_state+0x9f/0x420
 cpuidle_enter+0x29/0x40
 do_idle+0x1cf/0x250
 cpu_startup_entry+0x19/0x20
 start_secondary+0x163/0x1b0
 secondary_startup_64+0xa4/0xb0