Public bug reported:
Modem on USB causes a problem. The system becomes unresponsive. Please
fix it. Thanks
------------[ cut here ]------------
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119840] WARNING: CPU: 2 PID:
327771 at kernel/workqueue.c:1477 __queue_work+0x348/0x3f0
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119841] Modules linked in:
cdc_acm cp210x usbserial smsc95xx usbnet mii ipheth snd_hda_codec_hdmi
nvidia_uvm(OE) snd_hda_codec_realtek snd_hda_codec_generic intel_rapl_msr
ledtrig_audio intel_rapl_common snd_hda_intel x86_pkg_temp_thermal
intel_powerclamp snd_intel_dspcfg mei_hdcp snd_hda_codec coretemp snd_hda_core
snd_hwdep nvidia_drm(POE) snd_pcm nvidia_modeset(POE) kvm crct10dif_pclmul
ghash_clmulni_intel aesni_intel crypto_simd snd_seq_midi cryptd
snd_seq_midi_event glue_helper nvidia(POE) rapl snd_rawmidi intel_cstate
snd_seq dell_wmi dell_smbios snd_seq_device snd_timer dcdbas sparse_keymap
input_leds dell_wmi_descriptor wmi_bmof drm_kms_helper snd fb_sys_fops
syscopyarea sysfillrect mei_me sysimgblt soundcore mei mac_hid sch_fq_codel
parport_pc ppdev lp parport drm ip_tables x_tables autofs4 hid_generic usbhid
hid crc32_pclmul ahci i2c_i801 libahci lpc_ich e1000e wmi video
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119880] CPU: 2 PID: 327771
Comm: clangbackend Tainted: P OE 5.4.0-54-generic #60-Ubuntu
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119881] Hardware name: Dell
Inc. OptiPlex 9020/0PC5F7, BIOS A24 10/24/2018
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119883] RIP:
0010:__queue_work+0x348/0x3f0
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119885] Code: 59 55 7e a9 00 01
1f 00 75 0f 65 48 8b 3c 25 c0 6b 01 00 f6 47 24 20 75 25 0f 0b 48 83 c4 18 5b
41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b e9 fd fd ff ff 41 83 cd 02 48 8d 53 60 e9
e2 fd ff ff e8 3f
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119887] RSP:
0018:ffffb22300118c40 EFLAGS: 00010002
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119888] RAX: ffff8d7ecc363790
RBX: ffff8d7f4db2f700 RCX: 0000000000000000
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119889] RDX: ffff8d7ecc363798
RSI: 0000000000000004 RDI: ffff8d7f4db2a680
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119890] RBP: ffffb22300118c80
R08: ffff8d7f4b802238 R09: ffff8d7f4b802280
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119891] R10: 0000000000000000
R11: ffffffff8305e4b8 R12: 0000000000000029
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119892] R13: ffff8d7f4bc0ae00
R14: 0000000000002000 R15: ffff8d7ecc363790
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119894] FS:
00007f83fa6ffc00(0000) GS:ffff8d7f4db00000(0000) knlGS:0000000000000000
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119895] CS: 0010 DS: 0000 ES:
0000 CR0: 0000000080050033
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119896] CR2: 00007f2170752af0
CR3: 00000001ef168002 CR4: 00000000001606e0
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119897] Call Trace:
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119898] <IRQ>
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119903] queue_work_on+0x3b/0x50
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119907]
acm_write_bulk+0x70/0x80 [cdc_acm]
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119911]
__usb_hcd_giveback_urb+0x7a/0x120
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119912]
usb_hcd_giveback_urb+0xca/0xe0
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119916]
xhci_giveback_urb_in_irq.isra.0+0x7b/0xf0
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119919]
xhci_td_cleanup+0xf6/0x140
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119921] finish_td+0xcc/0x190
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119924]
handle_tx_event+0x55d/0x11c0
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119927] xhci_irq+0x27a/0x3d0
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119931] ?
rcu_report_qs_rnp+0xab/0x110
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119933] xhci_msi_irq+0x11/0x13
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119937]
__handle_irq_event_percpu+0x42/0x180
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119939]
handle_irq_event_percpu+0x33/0x80
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119942]
handle_irq_event+0x3b/0x5a
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119944]
handle_edge_irq+0x93/0x1c0
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119947] do_IRQ+0x55/0xf0
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119950]
common_interrupt+0xf/0xf
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119951] </IRQ>
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119954] RIP:
0010:_raw_spin_lock+0x10/0x30
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119955] Code: ff 01 00 00 75 07
4c 89 e0 41 5c 5d c3 e8 a8 be 62 ff 4c 89 e0 41 5c 5d c3 90 0f 1f 44 00 00 31
c0 ba 01 00 00 00 f0 0f b1 17 <75> 01 c3 55 89 c6 48 89 e5 e8 72 a6 62 ff 66 90
5d c3 66 66 2e 0f
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119957] RSP:
0018:ffffb223027e7aa8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffffda
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119958] RAX: 0000000000000000
RBX: ffffb223027e7b40 RCX: ffff8d7ef9f2bd00
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119959] RDX: 0000000000000001
RSI: 0000000000000246 RDI: ffff8d7f40a9b70c
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119960] RBP: ffffb223027e7ac0
R08: 00000000000f4240 R09: 0000000000000000
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119961] R10: 0000000000000000
R11: 0000000000000000 R12: ffff8d7f40a9b70c
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119961] R13: ffff8d7f40a9b700
R14: 0000000000000000 R15: ffffb223027e7b54
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119967] ?
inotify_poll+0x3f/0x70
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119970] do_sys_poll+0x2ad/0x520
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119974] ?
try_to_wake_up+0x224/0x6a0
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119977] ?
default_wake_function+0x12/0x20
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119979] ? pollwake+0x72/0x90
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119981] ? wake_up_q+0x70/0x70
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119984] ?
__wake_up_common+0x7e/0x140
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119986] ?
poll_initwait+0x40/0x40
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119988] ?
poll_select_finish+0x210/0x210
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119990] ?
poll_select_finish+0x210/0x210
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119994] ?
sock_sendmsg+0x65/0x70
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119997] ?
eventfd_read+0xe9/0x240
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.120001] ?
recalibrate_cpu_khz+0x10/0x10
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.120003] ?
ktime_get_ts64+0x4c/0xe0
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.120006]
__x64_sys_poll+0xa5/0x140
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.120009]
do_syscall_64+0x57/0x190
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.120012]
entry_SYSCALL_64_after_hwframe+0x44/0xa9
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.120013] RIP: 0033:0x7f83fd8bcac7
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.120015] Code: 00 00 00 5b 49 8b
45 10 5d 41 5c 41 5d 41 5e c3 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85
c0 75 10 b8 07 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24
1c 48 89 74 24 10
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.120016] RSP:
002b:00007ffcd0f7ba28 EFLAGS: 00000246 ORIG_RAX: 0000000000000007
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.120017] RAX: ffffffffffffffda
RBX: 00007f83faba1f10 RCX: 00007f83fd8bcac7
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.120018] RDX: 0000000000001383
RSI: 0000000000000003 RDI: 00000000011e9b40
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.120019] RBP: 00000000011e9b40
R08: 0000000000000003 R09: 0000000000000001
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.120020] R10: 00000000011e9980
R11: 0000000000000246 R12: 0000000000000003
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.120021] R13: 00007ffcd0f7ba44
R14: 0000000000001383 R15: 00000000011e5870
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.120023] ---[ end trace
5618c3806d337787 ]---
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-54-generic 5.4.0-54.60
ProcVersionSignature: Ubuntu 5.4.0-54.60-generic 5.4.65
Uname: Linux 5.4.0-54-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu27.12
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: mw 4238 F.... pulseaudio
/dev/snd/controlC0: mw 4238 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Wed Nov 25 13:24:18 2020
InstallationDate: Installed on 2020-05-20 (189 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
IwConfig:
eno1 no wireless extensions.
lo no wireless extensions.
MachineType: Dell Inc. OptiPlex 9020
ProcEnviron:
SHELL=/bin/bash
LANG=pl_PL.UTF-8
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
PATH=(custom, no user)
ProcFB: 0 VESA VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-54-generic
root=UUID=86c20b21-d886-4ca3-b9f2-5a26a3ce2a9f ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-5.4.0-54-generic N/A
linux-backports-modules-5.4.0-54-generic N/A
linux-firmware 1.187.4
RfKill:
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/24/2018
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A24
dmi.board.name: 0PC5F7
dmi.board.vendor: Dell Inc.
dmi.board.version: A01
dmi.chassis.type: 6
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA24:bd10/24/2018:svnDellInc.:pnOptiPlex9020:pvr00:rvnDellInc.:rn0PC5F7:rvrA01:cvnDellInc.:ct6:cvr:
dmi.product.name: OptiPlex 9020
dmi.product.sku: 05A4
dmi.product.version: 00
dmi.sys.vendor: Dell Inc.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
--
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1905559
Title:
kworker cpu 100% usage
Status in linux package in Ubuntu:
New
Bug description:
Modem on USB causes a problem. The system becomes unresponsive. Please
fix it. Thanks
------------[ cut here ]------------
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119840] WARNING: CPU: 2 PID:
327771 at kernel/workqueue.c:1477 __queue_work+0x348/0x3f0
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119841] Modules linked in:
cdc_acm cp210x usbserial smsc95xx usbnet mii ipheth snd_hda_codec_hdmi
nvidia_uvm(OE) snd_hda_codec_realtek snd_hda_codec_generic intel_rapl_msr
ledtrig_audio intel_rapl_common snd_hda_intel x86_pkg_temp_thermal
intel_powerclamp snd_intel_dspcfg mei_hdcp snd_hda_codec coretemp snd_hda_core
snd_hwdep nvidia_drm(POE) snd_pcm nvidia_modeset(POE) kvm crct10dif_pclmul
ghash_clmulni_intel aesni_intel crypto_simd snd_seq_midi cryptd
snd_seq_midi_event glue_helper nvidia(POE) rapl snd_rawmidi intel_cstate
snd_seq dell_wmi dell_smbios snd_seq_device snd_timer dcdbas sparse_keymap
input_leds dell_wmi_descriptor wmi_bmof drm_kms_helper snd fb_sys_fops
syscopyarea sysfillrect mei_me sysimgblt soundcore mei mac_hid sch_fq_codel
parport_pc ppdev lp parport drm ip_tables x_tables autofs4 hid_generic usbhid
hid crc32_pclmul ahci i2c_i801 libahci lpc_ich e1000e wmi video
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119880] CPU: 2 PID: 327771
Comm: clangbackend Tainted: P OE 5.4.0-54-generic #60-Ubuntu
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119881] Hardware name: Dell
Inc. OptiPlex 9020/0PC5F7, BIOS A24 10/24/2018
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119883] RIP:
0010:__queue_work+0x348/0x3f0
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119885] Code: 59 55 7e a9 00
01 1f 00 75 0f 65 48 8b 3c 25 c0 6b 01 00 f6 47 24 20 75 25 0f 0b 48 83 c4 18
5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b e9 fd fd ff ff 41 83 cd 02 48 8d 53 60
e9 e2 fd ff ff e8 3f
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119887] RSP:
0018:ffffb22300118c40 EFLAGS: 00010002
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119888] RAX: ffff8d7ecc363790
RBX: ffff8d7f4db2f700 RCX: 0000000000000000
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119889] RDX: ffff8d7ecc363798
RSI: 0000000000000004 RDI: ffff8d7f4db2a680
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119890] RBP: ffffb22300118c80
R08: ffff8d7f4b802238 R09: ffff8d7f4b802280
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119891] R10: 0000000000000000
R11: ffffffff8305e4b8 R12: 0000000000000029
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119892] R13: ffff8d7f4bc0ae00
R14: 0000000000002000 R15: ffff8d7ecc363790
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119894] FS:
00007f83fa6ffc00(0000) GS:ffff8d7f4db00000(0000) knlGS:0000000000000000
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119895] CS: 0010 DS: 0000
ES: 0000 CR0: 0000000080050033
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119896] CR2: 00007f2170752af0
CR3: 00000001ef168002 CR4: 00000000001606e0
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119897] Call Trace:
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119898] <IRQ>
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119903]
queue_work_on+0x3b/0x50
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119907]
acm_write_bulk+0x70/0x80 [cdc_acm]
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119911]
__usb_hcd_giveback_urb+0x7a/0x120
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119912]
usb_hcd_giveback_urb+0xca/0xe0
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119916]
xhci_giveback_urb_in_irq.isra.0+0x7b/0xf0
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119919]
xhci_td_cleanup+0xf6/0x140
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119921] finish_td+0xcc/0x190
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119924]
handle_tx_event+0x55d/0x11c0
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119927] xhci_irq+0x27a/0x3d0
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119931] ?
rcu_report_qs_rnp+0xab/0x110
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119933]
xhci_msi_irq+0x11/0x13
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119937]
__handle_irq_event_percpu+0x42/0x180
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119939]
handle_irq_event_percpu+0x33/0x80
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119942]
handle_irq_event+0x3b/0x5a
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119944]
handle_edge_irq+0x93/0x1c0
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119947] do_IRQ+0x55/0xf0
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119950]
common_interrupt+0xf/0xf
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119951] </IRQ>
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119954] RIP:
0010:_raw_spin_lock+0x10/0x30
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119955] Code: ff 01 00 00 75
07 4c 89 e0 41 5c 5d c3 e8 a8 be 62 ff 4c 89 e0 41 5c 5d c3 90 0f 1f 44 00 00
31 c0 ba 01 00 00 00 f0 0f b1 17 <75> 01 c3 55 89 c6 48 89 e5 e8 72 a6 62 ff 66
90 5d c3 66 66 2e 0f
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119957] RSP:
0018:ffffb223027e7aa8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffffda
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119958] RAX: 0000000000000000
RBX: ffffb223027e7b40 RCX: ffff8d7ef9f2bd00
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119959] RDX: 0000000000000001
RSI: 0000000000000246 RDI: ffff8d7f40a9b70c
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119960] RBP: ffffb223027e7ac0
R08: 00000000000f4240 R09: 0000000000000000
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119961] R10: 0000000000000000
R11: 0000000000000000 R12: ffff8d7f40a9b70c
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119961] R13: ffff8d7f40a9b700
R14: 0000000000000000 R15: ffffb223027e7b54
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119967] ?
inotify_poll+0x3f/0x70
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119970]
do_sys_poll+0x2ad/0x520
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119974] ?
try_to_wake_up+0x224/0x6a0
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119977] ?
default_wake_function+0x12/0x20
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119979] ? pollwake+0x72/0x90
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119981] ? wake_up_q+0x70/0x70
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119984] ?
__wake_up_common+0x7e/0x140
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119986] ?
poll_initwait+0x40/0x40
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119988] ?
poll_select_finish+0x210/0x210
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119990] ?
poll_select_finish+0x210/0x210
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119994] ?
sock_sendmsg+0x65/0x70
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.119997] ?
eventfd_read+0xe9/0x240
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.120001] ?
recalibrate_cpu_khz+0x10/0x10
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.120003] ?
ktime_get_ts64+0x4c/0xe0
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.120006]
__x64_sys_poll+0xa5/0x140
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.120009]
do_syscall_64+0x57/0x190
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.120012]
entry_SYSCALL_64_after_hwframe+0x44/0xa9
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.120013] RIP:
0033:0x7f83fd8bcac7
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.120015] Code: 00 00 00 5b 49
8b 45 10 5d 41 5c 41 5d 41 5e c3 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00
85 c0 75 10 b8 07 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54
24 1c 48 89 74 24 10
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.120016] RSP:
002b:00007ffcd0f7ba28 EFLAGS: 00000246 ORIG_RAX: 0000000000000007
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.120017] RAX: ffffffffffffffda
RBX: 00007f83faba1f10 RCX: 00007f83fd8bcac7
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.120018] RDX: 0000000000001383
RSI: 0000000000000003 RDI: 00000000011e9b40
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.120019] RBP: 00000000011e9b40
R08: 0000000000000003 R09: 0000000000000001
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.120020] R10: 00000000011e9980
R11: 0000000000000246 R12: 0000000000000003
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.120021] R13: 00007ffcd0f7ba44
R14: 0000000000001383 R15: 00000000011e5870
Nov 25 11:29:32 mw-OptiPlex-9020 kernel: [ 9069.120023] ---[ end trace
5618c3806d337787 ]---
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-54-generic 5.4.0-54.60
ProcVersionSignature: Ubuntu 5.4.0-54.60-generic 5.4.65
Uname: Linux 5.4.0-54-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu27.12
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: mw 4238 F.... pulseaudio
/dev/snd/controlC0: mw 4238 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Wed Nov 25 13:24:18 2020
InstallationDate: Installed on 2020-05-20 (189 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
IwConfig:
eno1 no wireless extensions.
lo no wireless extensions.
MachineType: Dell Inc. OptiPlex 9020
ProcEnviron:
SHELL=/bin/bash
LANG=pl_PL.UTF-8
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
PATH=(custom, no user)
ProcFB: 0 VESA VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-54-generic
root=UUID=86c20b21-d886-4ca3-b9f2-5a26a3ce2a9f ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-5.4.0-54-generic N/A
linux-backports-modules-5.4.0-54-generic N/A
linux-firmware 1.187.4
RfKill:
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/24/2018
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A24
dmi.board.name: 0PC5F7
dmi.board.vendor: Dell Inc.
dmi.board.version: A01
dmi.chassis.type: 6
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA24:bd10/24/2018:svnDellInc.:pnOptiPlex9020:pvr00:rvnDellInc.:rn0PC5F7:rvrA01:cvnDellInc.:ct6:cvr:
dmi.product.name: OptiPlex 9020
dmi.product.sku: 05A4
dmi.product.version: 00
dmi.sys.vendor: Dell Inc.
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