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Bug#901389: [firmware-iwlwifi] Crash when using as a hotspot with intense usage

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  Bug#901389: [firmware-iwlwifi] Crash when using as a hotspot with intense usage Alexander Kernozhitsky <sh200105@mail.ru> - 2018-06-12 14:30 +0200
    Bug#901389: iwlwifi  NULL pointer dereference Rainer Sabelka <rainer.sabelka@sabanet.at> - 2019-09-05 08:20 +0200
      Bug#901389: iwlwifi  NULL pointer dereference Rainer Sabelka <rainer.sabelka@sabanet.at> - 2019-09-11 12:00 +0200

#61186 — Bug#901389: [firmware-iwlwifi] Crash when using as a hotspot with intense usage

Package: firmware-iwlwifi
Version: 20170823-1
Severity: important

When I use my laptop as a hotspot, the following appears in the kernel logs:

Jun 12 12:10:08 gepardo-debian kernel: [ 1513.037567] BUG: unable to handle 
kernel NULL pointer dereference at 0000000000000068
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.037609] IP: 
iwl_trans_pcie_txq_enable+0x5e/0x410 [iwlwifi]
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.037616] PGD 0 P4D 0 
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.037630] Oops: 0002 [#1] SMP PTI
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.037638] Modules linked in: cpuid 
ctr ccm ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_conntrack ipt_REJECT 
nf_reject_ipv4 xt_tcpudp iptable_filter nf_nat_h323 nf_conntrack_h323 
nf_nat_pptp nf_nat_proto_gre nf_conntrack_pptp nf_conntrack_proto_gre 
nf_nat_tftp nf_conntrack_tftp nf_nat_sip nf_conntrack_sip nf_nat_irc 
nf_conntrack_irc nf_nat_ftp nf_conntrack_ftp iptable_nat nf_conntrack_ipv4 
nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack libcrc32c pci_stub vboxpci(O) 
vboxnetadp(O) vboxnetflt(O) vboxdrv(O) binfmt_misc nls_ascii nls_cp437 vfat 
fat arc4 snd_hda_codec_hdmi snd_hda_codec_realtek hp_wmi wmi_bmof 
snd_hda_codec_generic uvcvideo videobuf2_vmalloc videobuf2_memops intel_rapl 
videobuf2_v4l2 x86_pkg_temp_thermal intel_powerclamp coretemp btusb btrtl 
btbcm btintel kvm_intel iwlmvm bluetooth videobuf2_common
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.037772]  kvm irqbypass videodev 
crct10dif_pclmul crc32_pclmul media mac80211 drbg ansi_cprng snd_soc_skl 
snd_soc_skl_ipc snd_hda_ext_core snd_soc_sst_dsp snd_soc_sst_ipc ecdh_generic 
snd_soc_acpi ghash_clmulni_intel efi_pstore intel_cstate snd_soc_core iwlwifi 
snd_compress intel_uncore snd_hda_intel intel_rapl_perf i915 snd_hda_codec 
cfg80211 rfkill joydev evdev snd_hda_core snd_hwdep drm_kms_helper iTCO_wdt 
pcspkr serio_raw snd_pcm efivars snd_timer drm iTCO_vendor_support 
intel_pch_thermal snd i2c_algo_bit soundcore shpchp mei_me sg mei 
processor_thermal_device int340x_thermal_zone intel_soc_dts_iosf wmi 
intel_vbtn battery sparse_keymap ac kxcjk_1013 industrialio_triggered_buffer 
kfifo_buf video industrialio acpi_pad int3400_thermal hp_wireless 
acpi_thermal_rel button parport_pc ppdev lp parport
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.037913]  efivarfs ip_tables 
x_tables autofs4 ext4 crc16 mbcache jbd2 fscrypto ecb btrfs crc32c_generic xor 
zstd_decompress zstd_compress xxhash raid6_pq dm_mod hid_generic usbhid hid 
sr_mod cdrom sd_mod crc32c_intel aesni_intel aes_x86_64 crypto_simd cryptd 
glue_helper ahci libahci psmouse r8169 mii xhci_pci libata xhci_hcd i2c_i801 
scsi_mod usbcore usb_common fan thermal
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.038008] CPU: 3 PID: 51 Comm: 
kworker/3:1 Tainted: G        W  O     4.16.0-2-amd64 #1 Debian 4.16.12-1
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.038015] Hardware name: HP HP 250 
G6 Notebook PC/832A, BIOS F.33 12/08/2017
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.038047] Workqueue: events 
iwl_mvm_add_new_dqa_stream_wk [iwlmvm]
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.038074] RIP: 
0010:iwl_trans_pcie_txq_enable+0x5e/0x410 [iwlwifi]
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.038082] RSP: 
0018:ffffaa388106bc50 EFLAGS: 00010246
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.038091] RAX: 00000000000009c4 
RBX: 000000000000001f RCX: 0000000000000000
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.038098] RDX: 0000000000000b91 
RSI: 000000000000001f RDI: 0000000000002710
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.038106] RBP: 0000000000000b91 
R08: 0000000000002710 R09: 0000000000000001
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.038113] R10: 0000000000000008 
R11: ffff9141e285dfb0 R12: 0000000000000000
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.038120] R13: 0000000000000000 
R14: 0000000000000b91 R15: ffff9141dfaa0018
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.038128] FS:  
0000000000000000(0000) GS:ffff9141eed80000(0000) knlGS:0000000000000000
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.038137] CS:  0010 DS: 0000 ES: 
0000 CR0: 0000000080050033
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.038143] CR2: 0000000000000068 
CR3: 000000001c00a003 CR4: 00000000003626e0
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.038150] Call Trace:
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.038185]  iwl_mvm_enable_txq
+0x1e4/0x350 [iwlmvm]
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.038213]  ? 
iwl_mvm_inactivity_check+0x110/0x500 [iwlmvm]
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.038240]  ? 
iwl_mvm_add_new_dqa_stream_wk+0xbe5/0x1290 [iwlmvm]
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.038263]  
iwl_mvm_add_new_dqa_stream_wk+0xbe5/0x1290 [iwlmvm]
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.038280]  ? 
syscall_return_via_sysret+0x1c/0x7a
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.038290]  ? __switch_to_asm
+0x34/0x70
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.038299]  ? __switch_to_asm
+0x34/0x70
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.038310]  ? __switch_to
+0xa2/0x450
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.038319]  ? __switch_to_asm
+0x40/0x70
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.038328]  ? __switch_to_asm
+0x34/0x70
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.038336]  ? __switch_to_asm
+0x40/0x70
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.038351]  process_one_work+0x17b/
0x360
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.038364]  worker_thread+0x2e/
0x390
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.038376]  ? process_one_work
+0x360/0x360
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.038386]  kthread+0x113/0x130
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.038397]  ? 
kthread_create_worker_on_cpu+0x70/0x70
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.038407]  ret_from_fork+0x35/0x40
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.038417] Code: 4c 8b a4 c7 e8 7d 
00 00 f0 48 0f ab 87 e8 8d 00 00 73 0d 80 3d 66 50 02 00 00 0f 84 29 03 00 00 
44 89 c7 e8 a5 b4 04 cf 4d 85 ed <49> 89 44 24 68 0f 84 92 02 00 00 41 0f b6 
87 ca 8e 00 00 39 d8 
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.038569] RIP: 
iwl_trans_pcie_txq_enable+0x5e/0x410 [iwlwifi] RSP: ffffaa388106bc50
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.038574] CR2: 0000000000000068
Jun 12 12:10:08 gepardo-debian kernel: [ 1513.038583] ---[ end trace 
1e1ba2d6bb3f2501 ]---

Also, some problems with the system may appear (e. g. some processes cannot be 
killed, not showing total CPU usage, sudo not working)

--- System information. ---
Architecture: 
Kernel:       Linux 4.16.0-2-amd64

Debian Release: buster/sid
  990 testing         ftp.by.debian.org 
  500 unstable        ftp.by.debian.org 

--- Package information. ---
Package's Depends field is empty.

Package's Recommends field is empty.

Suggests             (Version) | Installed
==============================-+-===========
initramfs-tools                | 0.130
-- 
---------------------
Alexander Kernozhitsky

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#65039 — Bug#901389: iwlwifi NULL pointer dereference

[Multipart message — attachments visible in raw view] — view raw

I also get this bug from time to time. The box is operating as a hotspot with 
hostapd.

# uname -a
Linux brix1.sabanet.at 4.19.0-5-amd64 #1 SMP Debian 4.19.37-5+deb10u2 
(2019-08-08) x86_64 GNU/Linux

# less /var/log/syslog.1
[...]
Sep  4 20:10:55 brix1 hostapd: wlan_ap0: STA d8:68:c3:a1:a8:5f IEEE 802.11: 
authenticated
Sep  4 20:10:55 brix1 hostapd: wlan_ap0: STA d8:68:c3:a1:a8:5f IEEE 802.11: 
associated (aid 7)
Sep  4 20:10:55 brix1 hostapd: wlan_ap0: STA d8:68:c3:a1:a8:5f RADIUS: 
starting accounting session 2AAF52FCD5713118
Sep  4 20:10:55 brix1 hostapd: wlan_ap0: STA d8:68:c3:a1:a8:5f WPA: pairwise 
key handshake completed (RSN)
Sep  4 20:10:55 brix1 kernel: [342104.421804] BUG: unable to handle kernel 
NULL pointer dereference at 0000000000000068
Sep  4 20:10:55 brix1 kernel: [342104.421826] PGD 0 P4D 0 
Sep  4 20:10:55 brix1 kernel: [342104.421839] Oops: 0002 [#1] SMP NOPTI
Sep  4 20:10:55 brix1 kernel: [342104.421851] CPU: 3 PID: 18804 Comm: kworker/
3:1 Not tainted 4.19.0-5-amd64 #1 Debian 4.19.37-5+deb10u2
Sep  4 20:10:55 brix1 kernel: [342104.421862] Hardware name: GIGABYTE GB-
EAPD-4200/MZAPLEP-00, BIOS F8 01/18/2018
Sep  4 20:10:55 brix1 kernel: [342104.421899] Workqueue: events 
iwl_mvm_add_new_dqa_stream_wk [iwlmvm]
Sep  4 20:10:55 brix1 kernel: [342104.421931] RIP: 
0010:iwl_trans_pcie_txq_enable+0x5e/0x430 [iwlwifi]
Sep  4 20:10:55 brix1 kernel: [342104.421942] Code: 63 c6 4c 8b a4 c7 40 91 00 
00 f0 48 0f ab 87 40 a1 00 00 73 0d 80 3d 64 62 02 00 00 0f 84 4c 03 00 00 44 
89 c7 e8 12 7a 91 c8 <49> 89 44 24 68 4d 85 ed 0f 84 b9 02 00 00 0f b6 85 22 
a2 
00 00 39
Sep  4 20:10:55 brix1 kernel: [342104.421958] RSP: 0018:ffffb3f98498fc68 
EFLAGS: 00010203
Sep  4 20:10:55 brix1 kernel: [342104.421967] RAX: 00000000000009c4 RBX: 
000000000000001f RCX: 0000000000000000
Sep  4 20:10:55 brix1 kernel: [342104.421977] RDX: 0000000000000000 RSI: 
000000000000001f RDI: 0000000000002710
Sep  4 20:10:55 brix1 kernel: [342104.421986] RBP: ffff93bded3b0018 R08: 
0000000000002710 R09: 0000000000000001
Sep  4 20:10:55 brix1 kernel: [342104.421995] R10: 000000000000000a R11: 
ffff93bdf53c1ff0 R12: 0000000000000000
Sep  4 20:10:55 brix1 kernel: [342104.422004] R13: 0000000000000000 R14: 
0000000000000000 R15: 000000000000001f
Sep  4 20:10:55 brix1 kernel: [342104.422014] FS:  0000000000000000(0000) 
GS:ffff93bdf7b80000(0000) knlGS:0000000000000000
Sep  4 20:10:55 brix1 kernel: [342104.422024] CS:  0010 DS: 0000 ES: 0000 CR0: 
0000000080050033
Sep  4 20:10:55 brix1 kernel: [342104.422032] CR2: 0000000000000068 CR3: 
000000021320a000 CR4: 00000000003406e0
Sep  4 20:10:55 brix1 kernel: [342104.422041] Call Trace:
Sep  4 20:10:55 brix1 kernel: [342104.422062]  ? try_to_wake_up+0x54/0x490
Sep  4 20:10:55 brix1 kernel: [342104.422090]  iwl_mvm_enable_txq+0x1dc/0x320 
[iwlmvm]
Sep  4 20:10:55 brix1 kernel: [342104.422126]  
iwl_mvm_add_new_dqa_stream_wk+0x9a8/0x1180 [iwlmvm]
Sep  4 20:10:55 brix1 kernel: [342104.422144]  ? __switch_to_asm+0x40/0x70
Sep  4 20:10:55 brix1 kernel: [342104.422153]  ? __switch_to_asm+0x40/0x70
Sep  4 20:10:55 brix1 kernel: [342104.422163]  ? __switch_to+0x8c/0x440
Sep  4 20:10:55 brix1 kernel: [342104.422172]  ? __switch_to_asm+0x34/0x70
Sep  4 20:10:55 brix1 kernel: [342104.422181]  ? __switch_to_asm+0x40/0x70
Sep  4 20:10:55 brix1 kernel: [342104.422193]  process_one_work+0x1a7/0x3a0
Sep  4 20:10:55 brix1 kernel: [342104.422204]  worker_thread+0x30/0x390
Sep  4 20:10:55 brix1 kernel: [342104.422214]  ? create_worker+0x1a0/0x1a0
Sep  4 20:10:55 brix1 kernel: [342104.422223]  kthread+0x112/0x130
Sep  4 20:10:55 brix1 kernel: [342104.422231]  ? kthread_bind+0x30/0x30
Sep  4 20:10:55 brix1 kernel: [342104.422242]  ret_from_fork+0x35/0x40
Sep  4 20:10:55 brix1 kernel: [342104.422252] Modules linked in: devlink 
nf_tables nfnetlink ctr ccm bridge 8021q garp stp mrp llc snd_hda_codec_hdmi 
snd_hda_codec_realtek snd_hda_codec_generic nls_ascii nls_cp437 vfat fat arc4 
intel_rapl btusb btrtl btbcm x86_pkg_temp_thermal btintel bluetooth kvm_intel 
iwlmvm kvm mac80211 irqbypass crct10dif_pclmul snd_soc_skl crc32_pclmul 
efi_pstore snd_soc_skl_ipc evdev snd_soc_sst_ipc i915 snd_soc_sst_dsp 
snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi snd_soc_core drbg 
snd_compress iwlwifi cdc_ether usbnet mii snd_hda_intel ansi_cprng sg 
ghash_clmulni_intel snd_hda_codec option drm_kms_helper cfg80211 intel_cstate 
snd_hda_core usb_wwan snd_hwdep usbserial intel_rapl_perf ecdh_generic snd_pcm 
rfkill pcspkr efivars drm wdat_wdt mei_me snd_timer ucsi_acpi snd typec_ucsi 
mei soundcore i2c_algo_bit
Sep  4 20:10:55 brix1 kernel: [342104.422437]  typec pcc_cpufreq video button 
it87 hwmon_vid coretemp efivarfs ip_tables x_tables autofs4 ext4 crc16 mbcache 
jbd2 crc32c_generic fscrypto ecb sd_mod crc32c_intel xhci_pci xhci_hcd usbcore 
ahci libahci aesni_intel libata aes_x86_64 crypto_simd cryptd glue_helper 
sdhci_pci cqhci lpc_ich sdhci i2c_i801 usb_common r8169 scsi_mod mmc_core 
realtek libphy fan thermal i2c_hid hid
Sep  4 20:10:55 brix1 kernel: [342104.422543] CR2: 0000000000000068
Sep  4 20:10:55 brix1 kernel: [342104.422553] ---[ end trace 74fd1f8e20bd8306 
]---
Sep  4 20:10:56 brix1 kernel: [342105.365974] RIP: 
0010:iwl_trans_pcie_txq_enable+0x5e/0x430 [iwlwifi]
Sep  4 20:10:56 brix1 kernel: [342105.365986] Code: 63 c6 4c 8b a4 c7 40 91 00 
00 f0 48 0f ab 87 40 a1 00 00 73 0d 80 3d 64 62 02 00 00 0f 84 4c 03 00 00 44 
89 c7 e8 12 7a 91 c8 <49> 89 44 24 68 4d 85 ed 0f 84 b9 02 00 00 0f b6 85 22 
a2 00 00 39
Sep  4 20:10:56 brix1 kernel: [342105.365992] RSP: 0018:ffffb3f98498fc68 
EFLAGS: 00010203
Sep  4 20:10:56 brix1 kernel: [342105.365996] RAX: 00000000000009c4 RBX: 
000000000000001f RCX: 0000000000000000
Sep  4 20:10:56 brix1 kernel: [342105.365999] RDX: 0000000000000000 RSI: 
000000000000001f RDI: 0000000000002710
Sep  4 20:10:56 brix1 kernel: [342105.366002] RBP: ffff93bded3b0018 R08: 
0000000000002710 R09: 0000000000000001
Sep  4 20:10:56 brix1 kernel: [342105.366005] R10: 000000000000000a R11: 
ffff93bdf53c1ff0 R12: 0000000000000000
Sep  4 20:10:56 brix1 kernel: [342105.366008] R13: 0000000000000000 R14: 
0000000000000000 R15: 000000000000001f
Sep  4 20:10:56 brix1 kernel: [342105.366011] FS:  0000000000000000(0000) 
GS:ffff93bdf7b80000(0000) knlGS:0000000000000000
Sep  4 20:10:56 brix1 kernel: [342105.366015] CS:  0010 DS: 0000 ES: 0000 CR0: 
0000000080050033
Sep  4 20:10:56 brix1 kernel: [342105.366017] CR2: 00007ffe70cf8efc CR3: 
000000021320a000 CR4: 00000000003406e0

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#65087 — Bug#901389: iwlwifi NULL pointer dereference

[Multipart message — attachments visible in raw view] — view raw

Still happens with linux 4.19.0-6-amd64 #1 SMP Debian 4.19.67-2 (2019-08-28) 
x86_64

The bug occurs every few days, though I don't know how exactly it is 
triggered.
After it happened the PC is rather unresponsive. I can ping it but new ssh 
logins no longer work. But ssh sessions opened before the bug seen to continue 
to work.

Is there anything I can do to help tracking this problem down?


[ 7075.088754] BUG: unable to handle kernel NULL pointer dereference at 
0000000000000068
[ 7075.088774] PGD 0 P4D 0 
[ 7075.088787] Oops: 0002 [#1] SMP NOPTI
[ 7075.088799] CPU: 0 PID: 1658 Comm: kworker/0:0 Not tainted 4.19.0-6-amd64 
#1 Debian 4.19.67-2
[ 7075.088808] Hardware name: GIGABYTE GB-EAPD-4200/MZAPLEP-00, BIOS F8 
01/18/2018
[ 7075.088846] Workqueue: events iwl_mvm_add_new_dqa_stream_wk [iwlmvm]
[ 7075.088879] RIP: 0010:iwl_trans_pcie_txq_enable+0x5e/0x420 [iwlwifi]
[ 7075.088889] Code: 63 c6 4c 8b a4 c7 40 91 00 00 f0 48 0f ab 87 40 a1 00 00 
73 0d 80 3d 80 81 02 00 00 0f 84 4c 03 00 00 44 89 c7 e8 12 47 2d cb <49> 89 
44 24 68 4d 85 ed 0f 84 b9 02 00 00 0f b6 85 22 a2 00 00 39
[ 7075.088904] RSP: 0018:ffffbd2942797c58 EFLAGS: 00010203
[ 7075.088913] RAX: 00000000000009c4 RBX: 000000000000001f RCX: 
0000000000000000
[ 7075.088922] RDX: 0000000000000000 RSI: 000000000000001f RDI: 
0000000000002710
[ 7075.088930] RBP: ffff9b5f74070018 R08: 0000000000002710 R09: 
0000000000000001
[ 7075.088938] R10: ffff9b5f6fd06868 R11: ffff9b5f73551ff0 R12: 
0000000000000000
[ 7075.088946] R13: 0000000000000000 R14: 0000000000000000 R15: 
0000000000000000
[ 7075.088956] FS:  0000000000000000(0000) GS:ffff9b5f77a00000(0000) knlGS:
0000000000000000
[ 7075.088965] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7075.088975] CR2: 0000000000000068 CR3: 000000021ae0a000 CR4: 
00000000003406f0
[ 7075.088983] Call Trace:
[ 7075.089020]  iwl_mvm_enable_txq+0x1cf/0x300 [iwlmvm]
[ 7075.089056]  iwl_mvm_add_new_dqa_stream_wk+0xc47/0x12c0 [iwlmvm]
[ 7075.089076]  ? __switch_to_asm+0x41/0x70
[ 7075.089086]  ? __switch_to_asm+0x35/0x70
[ 7075.089096]  ? __switch_to_asm+0x35/0x70
[ 7075.089106]  ? __switch_to+0x8c/0x440
[ 7075.089116]  ? __switch_to_asm+0x41/0x70
[ 7075.089125]  ? __switch_to_asm+0x35/0x70
[ 7075.089138]  process_one_work+0x1a7/0x3a0
[ 7075.089150]  worker_thread+0x30/0x390
[ 7075.089160]  ? create_worker+0x1a0/0x1a0
[ 7075.089169]  kthread+0x112/0x130
[ 7075.089178]  ? kthread_bind+0x30/0x30
[ 7075.089189]  ret_from_fork+0x35/0x40
[ 7075.089199] Modules linked in: devlink nf_tables nfnetlink ctr ccm bridge 
8021q garp stp mrp llc snd_hda_codec_hdmi snd_hda_codec_realtek 
snd_hda_codec_generic nls_ascii nls_cp437 vfat intel_rapl arc4 fat snd_soc_skl 
iwlmvm x86_pkg_temp_thermal snd_soc_skl_ipc snd_soc_sst_ipc i915 
snd_soc_sst_dsp snd_hda_ext_core snd_soc_acpi_intel_match mac80211 
snd_soc_acpi kvm_intel snd_soc_core kvm btusb snd_compress btrtl btbcm btintel 
irqbypass bluetooth snd_hda_intel crct10dif_pclmul iwlwifi snd_hda_codec 
crc32_pclmul drbg snd_hda_core ansi_cprng option drm_kms_helper cdc_ether 
evdev usb_wwan snd_hwdep ghash_clmulni_intel usbnet intel_cstate mii snd_pcm 
efi_pstore cfg80211 drm ecdh_generic wdat_wdt intel_rapl_perf usbserial sg 
snd_timer ucsi_acpi snd mei_me rfkill typec_ucsi pcc_cpufreq efivars mei 
pcspkr
[ 7075.089387]  i2c_algo_bit soundcore typec video button it87 hwmon_vid 
coretemp efivarfs ip_tables x_tables autofs4 ext4 crc16 mbcache jbd2 
crc32c_generic fscrypto ecb sd_mod crc32c_intel xhci_pci xhci_hcd usbcore 
aesni_intel sdhci_pci ahci cqhci libahci aes_x86_64 sdhci crypto_simd cryptd 
glue_helper libata mmc_core i2c_i801 lpc_ich usb_common r8169 scsi_mod realtek 
libphy fan thermal i2c_hid hid
[ 7075.089498] CR2: 0000000000000068
[ 7075.089507] ---[ end trace 5e759e88c3da4c33 ]---
[ 7075.146121] RIP: 0010:iwl_trans_pcie_txq_enable+0x5e/0x420 [iwlwifi]
[ 7075.146136] Code: 63 c6 4c 8b a4 c7 40 91 00 00 f0 48 0f ab 87 40 a1 00 00 
73 0d 80 3d 80 81 02 00 00 0f 84 4c 03 00 00 44 89 c7 e8 12 47 2d cb <49> 89 
44 24 68 4d 85 ed 0f 84 b9 02 00 00 0f b6 85 22 a2 00 00 39
[ 7075.146153] RSP: 0018:ffffbd2942797c58 EFLAGS: 00010203
[ 7075.146163] RAX: 00000000000009c4 RBX: 000000000000001f RCX: 
0000000000000000
[ 7075.146172] RDX: 0000000000000000 RSI: 000000000000001f RDI: 
0000000000002710
[ 7075.146181] RBP: ffff9b5f74070018 R08: 0000000000002710 R09: 
0000000000000001
[ 7075.146190] R10: ffff9b5f6fd06868 R11: ffff9b5f73551ff0 R12: 
0000000000000000
[ 7075.146198] R13: 0000000000000000 R14: 0000000000000000 R15: 
0000000000000000
[ 7075.146208] FS:  0000000000000000(0000) GS:ffff9b5f77a00000(0000) knlGS:
0000000000000000
[ 7075.146219] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7075.146227] CR2: 0000000000000068 CR3: 0000000271d58000 CR4: 
00000000003406f0

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