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Bug#996672: linux-image-5.10.0-9-amd64: ite_cir floods syslog with receive overflow warning messages



Package: src:linux
Version: 5.10.70-1
Severity: minor

Starting with inux-image-5.10.0-9-amd64, the ite_cir kernel module appears to massively flood (approximately 80 log entries per second) syslog with messages stating that a receive overflow has occurred:

/../
Oct 10 19:31:39 glimmer kernel: [    3.758499] rc rc0: ITE8708 CIR transceiver as /devices/virtual/rc/rc0
Oct 10 19:31:39 glimmer kernel: [    3.758557] rc rc0: lirc_dev: driver ite-cir registered at minor = 0, raw IR receiver, raw IR transmitter
Oct 10 19:31:39 glimmer kernel: [    3.758619] input: ITE8708 CIR transceiver as /devices/virtual/rc/rc0/input3
Oct 10 19:31:39 glimmer kernel: [    3.760191] ite_cir: driver has been successfully loaded
/../
Oct 10 20:42:51 glimmer kernel: [ 4276.187105] rc rc0: receive overflow
Oct 10 20:42:51 glimmer kernel: [ 4276.195016] rc rc0: receive overflow
/../ (repeated receive overflow messages)

This always occurs first after the system has been running for some time (approximately 1½ hours).

The logging of this condition appears to have been added to the source code earlier this year:
https://lore.kernel.org/lkml/20210510102009.237644288@linuxfoundation.org/

It appears from the source code that some kind of reset is attempted, however the outcome of this is unknown (and apparently does not succeed and/or solve the receive overflow condition).

The machine in question is located in a closet with no known IR sending from other devices.
There are no known applications running that are using the input device (/devices/virtual/rc/rc0/input3).

Output from lsmod shows the following:

root@glimmer:~# lsmod | grep -Ei '(ir_|_ir|rc_|_rc|ite)' | grep -v crc
ir_rc6_decoder         20480  0
rc_rc6_mce             16384  0
ite_cir                32768  0
rc_core                61440  4 ite_cir,ir_rc6_decoder,rc_rc6_mce

Possible work-arounds include blacklisting the ite_cir module (e.g. in /etc/modprobe.d/local.conf):
blacklist ite_cir

...which would then disable the IR functionality altogether, or to temporarily discard the log messages (e.g. in /etc/rsyslog.d/local.conf):
if $syslogfacility-text == 'kern' and $programname == 'kernel' and re_match($msg, '\\] rc rc[^:]+: receive overflow$') and $syslogseverity >= 4 then stop

However this does not solve the underlying problem.

I understand that the problem could potentially be because of "iffy" hardware, but still wanted to report this, e.g. in case many others are seeing the same thing on their systems.

-- Package-specific info:
** Version:
Linux version 5.10.0-9-amd64 (debian-kernel@lists.debian.org) (gcc-10 (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Debian 5.10.70-1 (2021-09-30)

** Command line:
BOOT_IMAGE=/vmlinuz-5.10.0-9-amd64 root=/dev/mapper/glimmer--vg-root ro quiet

** Not tainted

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

** Model information
sys_vendor: Intel Corporation
product_name: NUC7i3BNK
product_version: J31188-313
chassis_vendor: Intel Corporation
chassis_version: 2
bios_vendor: Intel Corp.
bios_version: BNKBL357.86A.0066.2018.0724.1832
board_vendor: Intel Corporation
board_name: NUC7i3BNB
board_version: J22859-313

** Loaded modules:
ccm
md4
sha512_ssse3
sha512_generic
cmac
nls_utf8
cifs
dns_resolver
fscache
libdes
intel_rapl_msr
intel_rapl_common
snd_hda_codec_hdmi
snd_hda_codec_realtek
snd_hda_codec_generic
ledtrig_audio
btusb
btrtl
btbcm
btintel
x86_pkg_temp_thermal
intel_powerclamp
bluetooth
coretemp
snd_soc_skl
snd_soc_hdac_hda
snd_hda_ext_core
kvm_intel
snd_soc_sst_ipc
mei_hdcp
snd_soc_sst_dsp
kvm
jitterentropy_rng
evdev
snd_soc_acpi_intel_match
snd_soc_acpi
iwlmvm
snd_hda_intel
snd_intel_dspcfg
soundwire_intel
irqbypass
soundwire_generic_allocation
drbg
ghash_clmulni_intel
snd_soc_core
rapl
mac80211
snd_compress
soundwire_cadence
snd_hda_codec
intel_cstate
aes_generic
snd_hda_core
snd_hwdep
intel_uncore
libarc4
soundwire_bus
pcspkr
wmi_bmof
intel_wmi_thunderbolt
nls_ascii
iwlwifi
efi_pstore
snd_pcm
aesni_intel
snd_timer
nls_cp437
snd
iTCO_wdt
intel_pmc_bxt
iTCO_vendor_support
vfat
crypto_simd
i915
cryptd
fat
glue_helper
watchdog
cfg80211
ee1004
soundcore
ansi_cprng
ecdh_generic
ir_rc6_decoder
drm_kms_helper
ftdi_sio
rfkill
ecc
usbserial
libaes
mei_me
rc_rc6_mce
tpm_crb
intel_xhci_usb_role_switch
cec
roles
ite_cir
mei
tpm_tis
intel_pch_thermal
i2c_algo_bit
rc_core
tpm_tis_core
intel_pmc_core
acpi_pad
tpm
rng_core
button
drm
fuse
configfs
efivarfs
ip_tables
x_tables
autofs4
ext4
crc16
mbcache
jbd2
raid10
raid456
async_raid6_recov
async_memcpy
async_pq
async_xor
async_tx
xor
raid6_pq
libcrc32c
crc32c_generic
raid1
raid0
multipath
linear
md_mod
dm_mod
nvme
rtsx_pci_sdmmc
ahci
nvme_core
mmc_core
libahci
xhci_pci
libata
t10_pi
xhci_hcd
e1000e
scsi_mod
crc_t10dif
crc32_pclmul
ptp
crc32c_intel
usbcore
pps_core
crct10dif_generic
rtsx_pci
crct10dif_pclmul
crct10dif_common
i2c_i801
i2c_smbus
usb_common
wmi
video

** PCI devices:
00:00.0 Host bridge [0600]: Intel Corporation Xeon E3-1200 v6/7th Gen Core Processor Host Bridge/DRAM Registers [8086:5904] (rev 02)
	DeviceName: Onboard - Other
	Subsystem: Intel Corporation Xeon E3-1200 v6/7th Gen Core Processor Host Bridge/DRAM Registers [8086:2068]
	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
	IOMMU group: 0
	Capabilities: <access denied>
	Kernel driver in use: skl_uncore

00:02.0 VGA compatible controller [0300]: Intel Corporation HD Graphics 620 [8086:5916] (rev 02) (prog-if 00 [VGA controller])
	DeviceName: Onboard - Video
	Subsystem: Intel Corporation HD Graphics 620 [8086:2068]
	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 136
	IOMMU group: 1
	Region 0: Memory at db000000 (64-bit, non-prefetchable) [size=16M]
	Region 2: Memory at 90000000 (64-bit, prefetchable) [size=256M]
	Region 4: I/O ports at f000 [size=64]
	Expansion ROM at 000c0000 [virtual] [disabled] [size=128K]
	Capabilities: <access denied>
	Kernel driver in use: i915
	Kernel modules: i915

00:08.0 System peripheral [0880]: Intel Corporation Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th/8th Gen Core Processor Gaussian Mixture Model [8086:1911]
	DeviceName: Onboard - Other
	Subsystem: Intel Corporation Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th/8th Gen Core Processor Gaussian Mixture Model [8086:2068]
	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 255
	IOMMU group: 2
	Region 0: Memory at dc34f000 (64-bit, non-prefetchable) [disabled] [size=4K]
	Capabilities: <access denied>

00:14.0 USB controller [0c03]: Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller [8086:9d2f] (rev 21) (prog-if 30 [XHCI])
	DeviceName: Onboard - Other
	Subsystem: Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller [8086:2068]
	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 128
	IOMMU group: 3
	Region 0: Memory at dc330000 (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-LP Thermal subsystem [8086:9d31] (rev 21)
	DeviceName: Onboard - Other
	Subsystem: Intel Corporation Sunrise Point-LP Thermal subsystem [8086:2068]
	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
	IOMMU group: 3
	Region 0: Memory at dc34e000 (64-bit, non-prefetchable) [size=4K]
	Capabilities: <access denied>
	Kernel driver in use: intel_pch_thermal
	Kernel modules: intel_pch_thermal

00:16.0 Communication controller [0780]: Intel Corporation Sunrise Point-LP CSME HECI #1 [8086:9d3a] (rev 21)
	DeviceName: Onboard - Other
	Subsystem: Intel Corporation Sunrise Point-LP CSME HECI [8086:2068]
	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 135
	IOMMU group: 4
	Region 0: Memory at dc34d000 (64-bit, non-prefetchable) [size=4K]
	Capabilities: <access denied>
	Kernel driver in use: mei_me
	Kernel modules: mei_me

00:17.0 SATA controller [0106]: Intel Corporation Sunrise Point-LP SATA Controller [AHCI mode] [8086:9d03] (rev 21) (prog-if 01 [AHCI 1.0])
	DeviceName: Onboard - SATA
	Subsystem: Intel Corporation Sunrise Point-LP SATA Controller [AHCI mode] [8086:2068]
	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 129
	IOMMU group: 5
	Region 0: Memory at dc348000 (32-bit, non-prefetchable) [size=8K]
	Region 1: Memory at dc34c000 (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 dc34b000 (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-LP PCI Express Root Port #1 [8086:9d10] (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, Cache Line Size: 64 bytes
	Interrupt: pin A routed to IRQ 122
	IOMMU group: 6
	Bus: primary=00, secondary=01, subordinate=39, sec-latency=0
	I/O behind bridge: 00007000-0000efff [size=32K]
	Memory behind bridge: c4000000-da0fffff [size=353M]
	Prefetchable memory behind bridge: 00000000a0000000-00000000c1ffffff [size=544M]
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- VGA16+ MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

00:1c.5 PCI bridge [0604]: Intel Corporation Sunrise Point-LP PCI Express Root Port #6 [8086:9d15] (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, Cache Line Size: 64 bytes
	Interrupt: pin B routed to IRQ 123
	IOMMU group: 7
	Bus: primary=00, secondary=3a, subordinate=3a, sec-latency=0
	I/O behind bridge: [disabled]
	Memory behind bridge: dc200000-dc2fffff [size=1M]
	Prefetchable memory behind bridge: [disabled]
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- VGA16+ MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

00:1c.7 PCI bridge [0604]: Intel Corporation Sunrise Point-LP PCI Express Root Port #8 [8086:9d17] (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, Cache Line Size: 64 bytes
	Interrupt: pin D routed to IRQ 124
	IOMMU group: 8
	Bus: primary=00, secondary=3b, subordinate=3b, sec-latency=0
	I/O behind bridge: [disabled]
	Memory behind bridge: dc100000-dc1fffff [size=1M]
	Prefetchable memory behind bridge: [disabled]
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- VGA16+ 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-LP PCI Express Root Port #9 [8086:9d18] (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, Cache Line Size: 64 bytes
	Interrupt: pin A routed to IRQ 125
	IOMMU group: 9
	Bus: primary=00, secondary=3c, subordinate=3c, sec-latency=0
	I/O behind bridge: [disabled]
	Memory behind bridge: dc000000-dc0fffff [size=1M]
	Prefetchable memory behind bridge: [disabled]
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- VGA16+ 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 LPC Controller/eSPI Controller [8086:9d4e] (rev 21)
	DeviceName: Onboard - Other
	Subsystem: Intel Corporation Sunrise Point LPC Controller/eSPI Controller [8086:2068]
	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
	IOMMU group: 10

00:1f.2 Memory controller [0580]: Intel Corporation Sunrise Point-LP PMC [8086:9d21] (rev 21)
	DeviceName: Onboard - Other
	Subsystem: Intel Corporation Sunrise Point-LP PMC [8086:2068]
	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-
	IOMMU group: 10
	Region 0: Memory at dc344000 (32-bit, non-prefetchable) [disabled] [size=16K]

00:1f.3 Audio device [0403]: Intel Corporation Sunrise Point-LP HD Audio [8086:9d71] (rev 21) (prog-if 80)
	DeviceName: Onboard - Sound
	Subsystem: Intel Corporation Sunrise Point-LP HD Audio [8086:2068]
	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, Cache Line Size: 64 bytes
	Interrupt: pin A routed to IRQ 138
	IOMMU group: 10
	Region 0: Memory at dc340000 (64-bit, non-prefetchable) [size=16K]
	Region 4: Memory at dc320000 (64-bit, non-prefetchable) [size=64K]
	Capabilities: <access denied>
	Kernel driver in use: snd_hda_intel
	Kernel modules: snd_hda_intel, snd_soc_skl

00:1f.4 SMBus [0c05]: Intel Corporation Sunrise Point-LP SMBus [8086:9d23] (rev 21)
	DeviceName: Onboard - Other
	Subsystem: Intel Corporation Sunrise Point-LP SMBus [8086:2068]
	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
	IOMMU group: 10
	Region 0: Memory at dc34a000 (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

00:1f.6 Ethernet controller [0200]: Intel Corporation Ethernet Connection (4) I219-V [8086:15d8] (rev 21)
	DeviceName: Onboard - Ethernet
	Subsystem: Intel Corporation Ethernet Connection (4) I219-V [8086:2068]
	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
	IOMMU group: 10
	Region 0: Memory at dc300000 (32-bit, non-prefetchable) [size=128K]
	Capabilities: <access denied>
	Kernel driver in use: e1000e
	Kernel modules: e1000e

3a:00.0 Network controller [0280]: Intel Corporation Wireless 8265 / 8275 [8086:24fd] (rev 78)
	Subsystem: Intel Corporation Wireless 8265 / 8275 [8086:9010]
	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 137
	IOMMU group: 11
	Region 0: Memory at dc200000 (64-bit, non-prefetchable) [size=8K]
	Capabilities: <access denied>
	Kernel driver in use: iwlwifi
	Kernel modules: iwlwifi

3b:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5229 PCI Express Card Reader [10ec:5229] (rev 01)
	Subsystem: Intel Corporation RTS5229 PCI Express Card Reader [8086:2068]
	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 126
	IOMMU group: 12
	Region 0: Memory at dc100000 (32-bit, non-prefetchable) [size=4K]
	Capabilities: <access denied>
	Kernel driver in use: rtsx_pci
	Kernel modules: rtsx_pci

3c:00.0 Non-Volatile memory controller [0108]: Samsung Electronics Co Ltd NVMe SSD Controller SM981/PM981/PM983 [144d:a808] (prog-if 02 [NVM Express])
	Subsystem: Samsung Electronics Co Ltd NVMe SSD Controller SM981/PM981/PM983 [144d:a801]
	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
	NUMA node: 0
	IOMMU group: 13
	Region 0: Memory at dc000000 (64-bit, non-prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: nvme
	Kernel modules: nvme


** USB devices:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 8087:0a2b Intel Corp. Bluetooth wireless interface
Bus 001 Device 002: ID 0403:6001 Future Technology Devices International, Ltd FT232 Serial (UART) IC
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub


-- System Information:
Debian Release: 11.1
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 5.10.0-9-amd64 (SMP w/4 CPU threads)
Locale: LANG=en_US.UTF-8, LC_CTYPE=sv_SE.UTF-8 (charmap=UTF-8), LANGUAGE=en_US:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages linux-image-5.10.0-9-amd64 depends on:
ii  initramfs-tools [linux-initramfs-tool]  0.140
ii  kmod                                    28-1
ii  linux-base                              4.6

Versions of packages linux-image-5.10.0-9-amd64 recommends:
ii  apparmor             2.13.6-10
ii  firmware-linux-free  20200122-1

Versions of packages linux-image-5.10.0-9-amd64 suggests:
pn  debian-kernel-handbook  <none>
ii  grub-efi-amd64          2.04-20
pn  linux-doc-5.10          <none>

Versions of packages linux-image-5.10.0-9-amd64 is related to:
pn  firmware-amd-graphics     <none>
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          20210315-3
pn  firmware-libertas         <none>
pn  firmware-linux-nonfree    <none>
pn  firmware-misc-nonfree     <none>
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

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