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Bug#966703: marked as done (linux-image-4.19.0-10-amd64: kworker process with permanent high CPU load)

Your message dated Fri, 4 Sep 2020 19:10:42 +0200
with message-id <[🔎] 20200904171042.GA384867@eldamar.local>
and subject line Re: Bug#966703: linux-image-4.19.0-10-amd64: kworker process with permanent high CPU load
has caused the Debian Bug report #966703,
regarding linux-image-4.19.0-10-amd64: kworker process with permanent high CPU load
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
966703: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=966703
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message ---
Package: src:linux
Version: 4.19.132-1
Severity: normal

Dear Maintainer,

after booting the kernel 4.19.0-10-amd64, there is a kworker process running with a permanent high CPU load of almost 90% as reported by the "top" command:

$ top
top - 09:48:19 up 0 min,  4 users,  load average: 1.91, 0.58, 0.20
Tasks: 218 total,   2 running, 216 sleeping,   0 stopped,   0 zombie
%Cpu(s):  0.8 us, 12.4 sy,  0.0 ni, 84.5 id,  0.0 wa,  0.0 hi,  2.3 si,  0.0 st
MiB Mem :  15889.4 total,  14173.1 free,    889.3 used,    827.0 buff/cache
MiB Swap:      0.0 total,      0.0 free,      0.0 used.  14677.7 avail Mem

  PID USER      PR  NI    VIRT    RES    SHR S  %CPU  %MEM     TIME+ COMMAND            
   64 root      20   0       0      0      0 R  86.7   0.0   0:47.41 kworker/0:2+pm      
    9 root      20   0       0      0      0 S  20.0   0.0   0:08.84 ksoftirqd/0        
  364 root     -51   0       0      0      0 S   6.7   0.0   0:00.50 irq/126-nvidia      
 1177 dirk      20   0 2921696 122848  94268 S   6.7   0.8   0:02.23 kwin_x11            
    1 root      20   0  169652  10280   7740 S   0.0   0.1   0:01.56 systemd            
    2 root      20   0       0      0      0 S   0.0   0.0   0:00.00 kthreadd           
...

The expected result after booting the kernel 4.19.0-10-amd64 is a kworker process with a CPU load close to 0%.

As a control, booting the previous kernel 4.19.0-9-amd64 does not show a high CPU load for the kworker process. Instead, the kworker CPU load reported by the "top" command is 0.0%.

Therefore, I suspect a bug in the kernel 4.19.0-10-amd64.

Neither "dmesg" nor "journalctl -b" show any messages containing "kworker".

I am using Debian/GNU Linux 10.5 with kernel 4.19.0-10-amd64 and libc6:amd64 2.28-10.

If you need more information, I would be happy to provide it.

Cheers,

Dirk.

-- Package-specific info:
** Version:
Linux version 4.19.0-10-amd64 (debian-kernel@lists.debian.org) (gcc version 8.3.0 (Debian 8.3.0-6)) #1 SMP Debian 4.19.132-1 (2020-07-24)

** Command line:
BOOT_IMAGE=/boot/vmlinuz-4.19.0-10-amd64 root=UUID=7eb1c27f-5474-41cb-a4fc-de2944149287 ro quiet

** Tainted: PWOE (12801)
 * Proprietary module has been loaded.
 * Taint on warning.
 * Out-of-tree module has been loaded.
 * Unsigned module has been loaded.

** Kernel log:
Unable to read kernel log; any relevant messages should be attached

** Model information
sys_vendor: Dell Inc.
product_name: Precision 5510
product_version:
chassis_vendor: Dell Inc.
chassis_version:
bios_vendor: Dell Inc.
bios_version: 1.13.1
board_vendor: Dell Inc.
board_name: 0N8J4R
board_version: A00

** Loaded modules:
rfcomm
ctr
ccm
cmac
bnep
snd_hda_codec_hdmi
arc4
intel_rapl
dell_rbtn
iwlmvm
nls_ascii
nls_cp437
vfat
fat
snd_hda_codec_realtek
x86_pkg_temp_thermal
fuse
intel_powerclamp
mac80211
snd_hda_codec_generic
coretemp
mei_wdt
btusb
btrtl
btbcm
kvm_intel
btintel
dell_laptop
dell_wmi
bluetooth
kvm
iwlwifi
dell_smbios
snd_hda_intel
irqbypass
dcdbas
crct10dif_pclmul
crc32_pclmul
snd_hda_codec
sg
dell_smm_hwmon
hid_multitouch
joydev
wmi_bmof
dell_wmi_descriptor
ghash_clmulni_intel
drbg
snd_hda_core
serio_raw
cfg80211
ansi_cprng
intel_cstate
snd_hwdep
efi_pstore
snd_pcm
snd_timer
ecdh_generic
intel_uncore
snd
rtsx_pci_ms
mei_me
nvidia_drm(POE)
iTCO_wdt
memstick
intel_rapl_perf
rfkill
efivars
pcspkr
soundcore
idma64
pcc_cpufreq
iTCO_vendor_support
mei
intel_pch_thermal
nvidia_modeset(POE)
processor_thermal_device
tpm_tis
intel_soc_dts_iosf
tpm_tis_core
tpm
battery
rng_core
int3403_thermal
intel_hid
dell_smo8800
evdev
int3400_thermal
int3402_thermal
acpi_thermal_rel
sparse_keymap
int340x_thermal_zone
acpi_pad
ac
nvidia(POE)
ipmi_devintf
ipmi_msghandler
parport_pc
ppdev
lp
parport
efivarfs
ip_tables
x_tables
autofs4
ext4
crc16
mbcache
jbd2
crc32c_generic
fscrypto
ecb
usbhid
hid_generic
sd_mod
i915
crc32c_intel
i2c_designware_platform
i2c_designware_core
rtsx_pci_sdmmc
xhci_pci
i2c_algo_bit
mmc_core
xhci_hcd
drm_kms_helper
ahci
libahci
libata
aesni_intel
drm
mxm_wmi
aes_x86_64
psmouse
usbcore
i2c_i801
crypto_simd
scsi_mod
cryptd
glue_helper
i2c_hid
rtsx_pci
intel_lpss_pci
hid
intel_lpss
mfd_core
usb_common
thermal
fan
video
wmi
button

** PCI devices:
00:00.0 Host bridge [0600]: Intel Corporation Skylake Host Bridge/DRAM Registers [8086:1910] (rev 07)
Subsystem: Dell Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Host Bridge/DRAM Registers [1028:06e5]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ >SERR- <PERR- INTx-
Latency: 0
Capabilities: <access denied>
Kernel driver in use: skl_uncore

00:01.0 PCI bridge [0604]: Intel Corporation Skylake PCIe Controller (x16) [8086:1901] (rev 07) (prog-if 00 [Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 16
Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
I/O behind bridge: 0000e000-0000efff
Memory behind bridge: dc000000-dd0fffff
Prefetchable memory behind bridge: 00000000b0000000-00000000c1ffffff
Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
Capabilities: <access denied>
Kernel driver in use: pcieport

00:02.0 VGA compatible controller [0300]: Intel Corporation HD Graphics 530 [8086:191b] (rev 06) (prog-if 00 [VGA controller])
Subsystem: Dell HD Graphics 530 [1028:06e5]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 125
Region 0: Memory at db000000 (64-bit, non-prefetchable) [size=16M]
Region 2: Memory at 70000000 (64-bit, prefetchable) [size=256M]
Region 4: I/O ports at f000 [size=64]
[virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
Capabilities: <access denied>
Kernel driver in use: i915
Kernel modules: i915

00:04.0 Signal processing controller [1180]: Intel Corporation Skylake Processor Thermal Subsystem [8086:1903] (rev 07)
Subsystem: Dell Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem [1028:06e5]
Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Interrupt: pin A routed to IRQ 16
Region 0: Memory at ddc20000 (64-bit, non-prefetchable) [size=32K]
Capabilities: <access denied>
Kernel driver in use: proc_thermal
Kernel modules: processor_thermal_device

00:14.0 USB controller [0c03]: Intel Corporation Sunrise Point-H USB 3.0 xHCI Controller [8086:a12f] (rev 31) (prog-if 30 [XHCI])
Subsystem: Dell 100 Series/C230 Series Chipset Family USB 3.0 xHCI Controller [1028:06e5]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 124
Region 0: Memory at ddc10000 (64-bit, non-prefetchable) [size=64K]
Capabilities: <access denied>
Kernel driver in use: xhci_hcd
Kernel modules: xhci_pci

00:14.2 Signal processing controller [1180]: Intel Corporation Sunrise Point-H Thermal subsystem [8086:a131] (rev 31)
Subsystem: Dell 100 Series/C230 Series Chipset Family Thermal Subsystem [1028:06e5]
Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Interrupt: pin C routed to IRQ 18
Region 0: Memory at ddc38000 (64-bit, non-prefetchable) [size=4K]
Capabilities: <access denied>
Kernel driver in use: intel_pch_thermal
Kernel modules: intel_pch_thermal

00:15.0 Signal processing controller [1180]: Intel Corporation Sunrise Point-H Serial IO I2C Controller #0 [8086:a160] (rev 31)
Subsystem: Dell 100 Series/C230 Series Chipset Family Serial IO I2C Controller [1028:06e5]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 16
Region 0: Memory at ddc37000 (64-bit, non-prefetchable) [size=4K]
Capabilities: <access denied>
Kernel driver in use: intel-lpss
Kernel modules: intel_lpss_pci

00:15.1 Signal processing controller [1180]: Intel Corporation Sunrise Point-H Serial IO I2C Controller #1 [8086:a161] (rev 31)
Subsystem: Dell 100 Series/C230 Series Chipset Family Serial IO I2C Controller [1028:06e5]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin B routed to IRQ 17
Region 0: Memory at ddc36000 (64-bit, non-prefetchable) [size=4K]
Capabilities: <access denied>
Kernel driver in use: intel-lpss
Kernel modules: intel_lpss_pci

00:16.0 Communication controller [0780]: Intel Corporation Sunrise Point-H CSME HECI #1 [8086:a13a] (rev 31)
Subsystem: Dell 100 Series/C230 Series Chipset Family MEI Controller [1028:06e5]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 127
Region 0: Memory at ddc35000 (64-bit, non-prefetchable) [size=4K]
Capabilities: <access denied>
Kernel driver in use: mei_me
Kernel modules: mei_me

00:17.0 RAID bus controller [0104]: Intel Corporation SATA Controller [RAID mode] [8086:2822] (rev 31)
Subsystem: Dell SATA Controller [RAID mode] [1028:06e5]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 123
Region 0: Memory at ddc30000 (32-bit, non-prefetchable) [size=8K]
Region 1: Memory at ddc34000 (32-bit, non-prefetchable) [size=256]
Region 2: I/O ports at f090 [size=8]
Region 3: I/O ports at f080 [size=4]
Region 4: I/O ports at f060 [size=32]
Region 5: Memory at ddc33000 (32-bit, non-prefetchable) [size=2K]
Capabilities: <access denied>
Kernel driver in use: ahci
Kernel modules: ahci

00:1c.0 PCI bridge [0604]: Intel Corporation Sunrise Point-H PCI Express Root Port #1 [8086:a110] (rev f1) (prog-if 00 [Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 16
Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
Memory behind bridge: ddb00000-ddbfffff
Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
Capabilities: <access denied>
Kernel driver in use: pcieport

00:1c.1 PCI bridge [0604]: Intel Corporation Sunrise Point-H PCI Express Root Port #2 [8086:a111] (rev f1) (prog-if 00 [Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin B routed to IRQ 17
Bus: primary=00, secondary=03, subordinate=03, sec-latency=0
I/O behind bridge: 0000d000-0000dfff
Memory behind bridge: dd100000-ddafffff
Prefetchable memory behind bridge: 00000000c2100000-00000000c2afffff
Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
Capabilities: <access denied>
Kernel driver in use: pcieport

00:1d.0 PCI bridge [0604]: Intel Corporation Sunrise Point-H PCI Express Root Port #9 [8086:a118] (rev f1) (prog-if 00 [Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 16
Bus: primary=00, secondary=04, subordinate=04, sec-latency=0
I/O behind bridge: 00002000-00002fff
Memory behind bridge: 40000000-401fffff
Prefetchable memory behind bridge: 0000000040200000-00000000403fffff
Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
Capabilities: <access denied>
Kernel driver in use: pcieport

00:1d.4 PCI bridge [0604]: Intel Corporation Sunrise Point-H PCI Express Root Port #13 [8086:a11c] (rev f1) (prog-if 00 [Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 16
Bus: primary=00, secondary=05, subordinate=05, sec-latency=0
Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
Capabilities: <access denied>
Kernel driver in use: pcieport

00:1d.6 PCI bridge [0604]: Intel Corporation Sunrise Point-H PCI Express Root Port #15 [8086:a11e] (rev f1) (prog-if 00 [Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin C routed to IRQ 18
Bus: primary=00, secondary=06, subordinate=3e, sec-latency=0
I/O behind bridge: 00003000-00003fff
Memory behind bridge: c4000000-da0fffff
Prefetchable memory behind bridge: 0000000080000000-00000000a1ffffff
Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
Capabilities: <access denied>
Kernel driver in use: pcieport

00:1f.0 ISA bridge [0601]: Intel Corporation Sunrise Point-H LPC Controller [8086:a150] (rev 31)
Subsystem: Dell CM236 Chipset LPC/eSPI Controller [1028:06e5]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0

00:1f.2 Memory controller [0580]: Intel Corporation Sunrise Point-H PMC [8086:a121] (rev 31)
Subsystem: Dell 100 Series/C230 Series Chipset Family Power Management Controller [1028:06e5]
Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Region 0: Memory at ddc2c000 (32-bit, non-prefetchable) [disabled] [size=16K]

00:1f.3 Audio device [0403]: Intel Corporation Sunrise Point-H HD Audio [8086:a170] (rev 31) (prog-if 80)
Subsystem: Dell 100 Series/C230 Series Chipset Family HD Audio Controller [1028:06e5]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 32
Interrupt: pin A routed to IRQ 129
Region 0: Memory at ddc28000 (64-bit, non-prefetchable) [size=16K]
Region 4: Memory at ddc00000 (64-bit, non-prefetchable) [size=64K]
Capabilities: <access denied>
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel

00:1f.4 SMBus [0c05]: Intel Corporation Sunrise Point-H SMBus [8086:a123] (rev 31)
Subsystem: Dell 100 Series/C230 Series Chipset Family SMBus [1028:06e5]
Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Interrupt: pin A routed to IRQ 16
Region 0: Memory at ddc32000 (64-bit, non-prefetchable) [size=256]
Region 4: I/O ports at f040 [size=32]
Kernel driver in use: i801_smbus
Kernel modules: i2c_i801

01:00.0 3D controller [0302]: NVIDIA Corporation GM107GLM [Quadro M1000M] [10de:13b1] (rev a2)
Subsystem: Dell GM107GLM [Quadro M1000M] [1028:06e5]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 126
Region 0: Memory at dc000000 (32-bit, non-prefetchable) [size=16M]
Region 1: Memory at b0000000 (64-bit, prefetchable) [size=256M]
Region 3: Memory at c0000000 (64-bit, prefetchable) [size=32M]
Region 5: I/O ports at e000 [size=128]
[virtual] Expansion ROM at dd000000 [disabled] [size=512K]
Capabilities: <access denied>
Kernel driver in use: nvidia
Kernel modules: nvidia

02:00.0 Network controller [0280]: Intel Corporation Wireless 8260 [8086:24f3] (rev 3a)
Subsystem: Intel Corporation Wireless 8260 [8086:0050]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 128
Region 0: Memory at ddb00000 (64-bit, non-prefetchable) [size=8K]
Capabilities: <access denied>
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi

03:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS525A PCI Express Card Reader [10ec:525a] (rev 01)
Subsystem: Dell RTS525A PCI Express Card Reader [1028:06e5]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 122
Region 1: Memory at dd100000 (32-bit, non-prefetchable) [size=4K]
Capabilities: <access denied>
Kernel driver in use: rtsx_pci
Kernel modules: rtsx_pci


** USB devices:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 8087:0a2b Intel Corp.
Bus 001 Device 002: ID 1e7d:2d60 ROCCAT
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub


-- System Information:
Debian Release: 10.5
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.19.0-10-amd64 (SMP w/8 CPU cores)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_WARN, TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8), LANGUAGE= (charmap=UTF-8)
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages linux-image-4.19.0-10-amd64 depends on:
ii  initramfs-tools [linux-initramfs-tool]  0.133+deb10u1
ii  kmod                                    26-1
ii  linux-base                              4.6

Versions of packages linux-image-4.19.0-10-amd64 recommends:
ii  apparmor             2.13.2-10
ii  firmware-linux-free  3.4

Versions of packages linux-image-4.19.0-10-amd64 suggests:
pn  debian-kernel-handbook  <none>
ii  grub-efi-amd64          2.02+dfsg1-20+deb10u2
pn  linux-doc-4.19          <none>

Versions of packages linux-image-4.19.0-10-amd64 is related to:
ii  firmware-amd-graphics     20190717-2~bpo10+1
pn  firmware-atheros          <none>
pn  firmware-bnx2             <none>
pn  firmware-bnx2x            <none>
pn  firmware-brcm80211        <none>
pn  firmware-cavium           <none>
pn  firmware-intel-sound      <none>
pn  firmware-intelwimax       <none>
pn  firmware-ipw2x00          <none>
pn  firmware-ivtv             <none>
ii  firmware-iwlwifi          20190114-2
pn  firmware-libertas         <none>
ii  firmware-linux-nonfree    20190717-2~bpo10+1
ii  firmware-misc-nonfree     20190717-2~bpo10+1
pn  firmware-myricom          <none>
pn  firmware-netxen           <none>
pn  firmware-qlogic           <none>
pn  firmware-realtek          <none>
pn  firmware-samsung          <none>
pn  firmware-siano            <none>
pn  firmware-ti-connectivity  <none>
pn  xen-hypervisor            <none>

-- no debconf information


--- End Message ---
--- Begin Message --- 
Hi Dirk,

On Fri, Sep 04, 2020 at 05:51:58PM +0200, Dirk Kostrewa wrote:
> Hi Salvatore,
> 
> meanwhile, Dell has replaced the mainboard of my laptop, and after that,
> both the USB over-current kernel messages and the kworker processes with
> high CPU load are gone.
> 
> Many thanks for caring about my bug report!

Thanks for reporting back! So I'm closing as well the bugreport as
thre is nothing to be done on Linux side for it.

Glad if it was of help.

Regards,
Salvatore

--- End Message ---
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