Public bug reported:
Teams keeps telling me I cannot access the camera starting this morning.
Here's the dmesg:
[ 15.970378] audit: audit_lost=24 audit_rate_limit=0 audit_backlog_limit=64
[ 15.970380] audit: kauditd hold queue overflow
[ 15.977875] audit: type=1130 audit(1784569864.862:62): pid=1 uid=0
auid=4294967295 ses=4294967295 subj=unconfined msg='unit=plymouth-read-write
comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=?
res=success'
[ 15.994282] intel-ipu6 0000:00:05.0: Found supported sensor OVTI02E1:00
[ 15.994388] intel-ipu6 0000:00:05.0: Connected 1 cameras
[ 15.995516] intel-ipu6 0000:00:05.0: Sending BOOT_LOAD to CSE
[ 16.010968] snd_hda_intel 0000:00:1f.3: SoundWire enabled on CannonLake+
platform, using SOF driver
[ 16.011076] snd_hda_intel 0000:01:00.1: enabling device (0000 -> 0002)
[ 16.011273] snd_hda_intel 0000:01:00.1: Disabling MSI
[ 16.011279] snd_hda_intel 0000:01:00.1: Handle vga_switcheroo audio client
[ 16.030586] intel-ipu6 0000:00:05.0: Sending AUTHENTICATE_RUN to CSE
[ 16.082024] intel-ipu6 0000:00:05.0: CSE authenticate_run done
[ 16.082046] intel-ipu6 0000:00:05.0: IPU6-v4[7d19] hardware version 6
[ 16.082152] BUG: kernel NULL pointer dereference, address: 000000000000032c
[ 16.082175] #PF: supervisor write access in kernel mode
[ 16.082182] #PF: error_code(0x0002) - not-present page
[ 16.082190] PGD 0 P4D 0
[ 16.082197] Oops: Oops: 0002 [#1] SMP NOPTI
[ 16.082206] CPU: 10 UID: 0 PID: 851 Comm: kworker/u89:17 Tainted: P U W
O 7.0.0-28-generic #28~24.04.1-Ubuntu PREEMPT(lazy)
[ 16.082222] Tainted: [P]=PROPRIETARY_MODULE, [U]=USER, [W]=WARN,
[O]=OOT_MODULE
[ 16.082230] Hardware name: Dell Inc. Precision 5690/0PDG0P, BIOS 1.18.0
10/27/2025
[ 16.082238] Workqueue: pm pm_runtime_work
[ 16.082253] RIP: 0010:__raw_spin_lock_irqsave+0x27/0x80
[ 16.082267] Code: 90 90 90 55 48 89 e5 41 54 53 48 89 fb 9c 58 0f 1f 40 00
49 89 c4 fa 0f 1f 44 00 00 65 ff 05 40 8c fe 02 31 c0 ba 01 00 00 00 <f0> 0f b1
13 75 20 4c 89 e0 5b 41 5c 5d 31 d2 31 c9 31 f6 31 ff 45
[ 16.082285] RSP: 0018:ffffcbc8c1023cb0 EFLAGS: 00010046
[ 16.082293] RAX: 0000000000000000 RBX: 000000000000032c RCX: 0000000000000000
[ 16.082301] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 000000000000032c
[ 16.082309] RBP: ffffcbc8c1023cc0 R08: 0000000000000000 R09: 0000000000000000
[ 16.082316] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000282
[ 16.082324] R13: 000000000000032c R14: 0000000000000000 R15: ffff89ec62597400
[ 16.082331] FS: 0000000000000000(0000) GS:ffff89fbdece3000(0000)
knlGS:0000000000000000
[ 16.082341] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 16.082349] CR2: 000000000000032c CR3: 0000001043644002 CR4: 0000000000f72ef0
[ 16.082359] PKRU: 55555554
[ 16.082363] Call Trace:
[ 16.082369] <TASK>
[ 16.082376] _raw_spin_lock_irqsave+0xe/0x20
[ 16.082393] isys_runtime_pm_suspend+0x24/0xb0 [intel_ipu6_isys]
[ 16.082410] ? __pfx_bus_pm_runtime_suspend+0x10/0x10 [intel_ipu6]
[ 16.082423] pm_generic_runtime_suspend+0x2e/0x50
[ 16.082433] bus_pm_runtime_suspend+0x12/0x70 [intel_ipu6]
[ 16.082442] __rpm_callback+0x4b/0x1f0
[ 16.082449] ? ktime_get_mono_fast_ns+0x3c/0xd0
[ 16.082459] ? __pfx_bus_pm_runtime_suspend+0x10/0x10 [intel_ipu6]
[ 16.082469] rpm_callback+0x6e/0x80
[ 16.082475] ? __pfx_bus_pm_runtime_suspend+0x10/0x10 [intel_ipu6]
[ 16.082485] rpm_suspend+0xe3/0x5f0
[ 16.082492] ? psi_task_switch+0x130/0x3a0
[ 16.082500] ? raw_spin_rq_unlock+0x14/0x50
[ 16.082509] ? finish_task_switch.isra.0+0x95/0x2d0
[ 16.082518] pm_runtime_work+0xc6/0xe0
[ 16.082525] process_one_work+0x1af/0x430
[ 16.082534] worker_thread+0x1bf/0x350
[ 16.082541] ? __pfx_worker_thread+0x10/0x10
[ 16.082548] kthread+0xfb/0x140
[ 16.082555] ? __pfx_kthread+0x10/0x10
[ 16.082562] ret_from_fork+0x1f8/0x2b0
[ 16.082572] ? __pfx_kthread+0x10/0x10
[ 16.082579] ret_from_fork_asm+0x1a/0x30
[ 16.082589] </TASK>
[ 16.082592] Modules linked in: snd_sof_utils(+) snd_hda_codec_nvhdmi
snd_hda_ext_core snd_hda_codec_hdmi intel_ipu6_psys(O) snd_soc_acpi_intel_match
xe(+) snd_soc_acpi_intel_sdca_quirks intel_ipu6_isys
soundwire_generic_allocation videobuf2_dma_sg snd_soc_sdw_utils
videobuf2_memops snd_soc_acpi videobuf2_v4l2 snd_hda_intel
intel_uncore_frequency soundwire_bus videobuf2_common
intel_uncore_frequency_common snd_hda_codec snd_soc_sdca drm_gpusvm_helper
ivsc_csi ivsc_ace snd_hda_core gpu_sched binfmt_misc x86_pkg_temp_thermal
snd_soc_core snd_intel_dspcfg drm_gpuvm intel_powerclamp drm_exec snd_compress
snd_intel_sdw_acpi processor_thermal_device_pci coretemp
processor_thermal_device drm_suballoc_helper ac97_bus snd_hwdep
snd_pcm_dmaengine dell_pc nls_iso8859_1 snd_pcm dell_rbtn i915 mei_vsc
processor_thermal_wt_hint snd_seq_midi platform_temperature_control dell_laptop
snd_ctl_led kvm_intel snd_seq_midi_event processor_thermal_soc_slider
cmdlinepart iwlmld kvm processor_thermal_rfim spi_nor dell_wmi drm_buddy
snd_rawmidi
[ 16.082649] intel_rapl_msr btusb mac80211 processor_thermal_rapl
mei_gsc_proxy mtd dell_smbios spi_ljca irqbypass i2c_ljca gpio_ljca
dell_wmi_sysman drm_display_helper snd_seq hid_sensor_custom_intel_hinge
hid_sensor_als hid_sensor_gyro_3d intel_pmc_core btmtk intel_rapl_common btrtl
dcdbas ghash_clmulni_intel intel_skl_int3472_tps68470 aesni_intel rapl libarc4
intel_cstate btbcm snd_seq_device processor_thermal_wt_req dell_wmi_ddv
pmt_telemetry hid_sensor_trigger dell_smm_hwmon firmware_attributes_class
dell_wmi_descriptor tps68470_regulator wmi_bmof i2c_i801 cec btintel snd_timer
iwlwifi processor_thermal_power_floor kfifo_buf pmt_discovery ov02e10(O)
clk_tps68470 mei_me i2c_smbus processor_thermal_mbox spi_intel_pci
int3403_thermal rc_core hid_sensor_iio_common pmt_class v4l2_fwnode snd
intel_skl_int3472_discrete int340x_thermal_zone crc8 spi_intel i2c_mux mei
bluetooth usb_ljca intel_ipu6 cfg80211 industrialio intel_vpu soundcore
apple_mfi_fastcharge ipu_bridge platform_profile i2c_algo_bit igen6_edac
v4l2_async
[ 16.082806] mei_vsc_hw acpi_tad intel_skl_int3472_common
intel_pmc_ssram_telemetry intel_hid nvidia_uvm(PO) int3400_thermal
sparse_keymap intel_vsec acpi_pad acpi_thermal_rel input_leds joydev mac_hid
serio_raw sch_fq_codel v4l2loopback(O) videodev mc msr parport_pc ppdev lp
parport efi_pstore nfnetlink dmi_sysfs ip_tables x_tables autofs4 algif_hash
af_alg crypto_user usbhid hid_sensor_custom cdc_ether usbnet hid_sensor_hub
intel_ishtp_hid nvidia_drm(PO) nvidia_modeset(PO) r8152 mii nvidia(PO)
ucsi_acpi hid_multitouch typec_ucsi hid_generic 8250_dw typec nvme nvme_core
nvme_keyring intel_lpss_pci rtsx_pci_sdmmc i2c_hid_acpi video intel_lpss
nvme_auth drm_ttm_helper psmouse i2c_hid rtsx_pci thunderbolt intel_ish_ipc
intel_ishtp idma64 hkdf ttm wmi hid pinctrl_meteorlake
[ 16.083180] CR2: 000000000000032c
[ 16.084110] ---[ end trace 0000000000000000 ]---
[ 16.769224] RIP: 0010:__raw_spin_lock_irqsave+0x27/0x80
[ 16.769251] Code: 90 90 90 55 48 89 e5 41 54 53 48 89 fb 9c 58 0f 1f 40 00
49 89 c4 fa 0f 1f 44 00 00 65 ff 05 40 8c fe 02 31 c0 ba 01 00 00 00 <f0> 0f b1
13 75 20 4c 89 e0 5b 41 5c 5d 31 d2 31 c9 31 f6 31 ff 45
[ 16.769274] RSP: 0018:ffffcbc8c1023cb0 EFLAGS: 00010046
[ 16.769283] RAX: 0000000000000000 RBX: 000000000000032c RCX: 0000000000000000
[ 16.769293] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 000000000000032c
[ 16.769302] RBP: ffffcbc8c1023cc0 R08: 0000000000000000 R09: 0000000000000000
[ 16.769311] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000282
[ 16.769322] R13: 000000000000032c R14: 0000000000000000 R15: ffff89ec62597400
[ 16.769331] FS: 0000000000000000(0000) GS:ffff89fbdece3000(0000)
knlGS:0000000000000000
[ 16.769341] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 16.769349] CR2: 000000000000032c CR3: 0000001043644002 CR4: 0000000000f72ef0
[ 16.769358] PKRU: 55555554
[ 16.769363] note: kworker/u89:17[851] exited with irqs disabled
[ 16.769444] note: kworker/u89:17[851] exited with preempt_count 1
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: linux-modules-ipu6-7.0.0-28-generic 7.0.0-28.28~24.04.1
ProcVersionSignature: Ubuntu 7.0.0-28.28~24.04.1-generic 7.0.12
Uname: Linux 7.0.0-28-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.28.1-0ubuntu3.8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: m7204 4927 F.... pipewire
m7204 4932 F.... wireplumber
/dev/snd/controlC0: m7204 4932 F.... wireplumber
/dev/snd/seq: m7204 4927 F.... pipewire
CRDA: N/A
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Mon Jul 20 14:07:53 2026
MachineType: Dell Inc. Precision 5690
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-7.0.0-28-generic
root=UUID=5bd098df-2841-4b00-b807-5a5dd8e29eca ro audit=1 quiet splash
i8042.nopnp=1 i8042.kbdreset=1 i915.enable_psr=0 fips=1 vt.handoff=7
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-7.0.0-28-generic N/A
linux-backports-modules-7.0.0-28-generic N/A
linux-firmware 20240318.git3b128b60-0ubuntu2.27
SourcePackage: linux-hwe-7.0
UpgradeStatus: No upgrade log present (probably fresh install)
WifiSyslog:
dmi.bios.date: 10/27/2025
dmi.bios.release: 1.18
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.18.0
dmi.board.name: 0PDG0P
dmi.board.vendor: Dell Inc.
dmi.board.version: A01
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.ec.firmware.release: 1.23
dmi.modalias:
dmi:bvnDellInc.:bvr1.18.0:bd10/27/2025:br1.18:efr1.23:svnDellInc.:pnPrecision5690:pvr:rvnDellInc.:rn0PDG0P:rvrA01:cvnDellInc.:ct10:cvr:sku0CC8:pfaPrecision:
dmi.product.family: Precision
dmi.product.name: Precision 5690
dmi.product.sku: 0CC8
dmi.sys.vendor: Dell Inc.
** Affects: linux-hwe-7.0 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug noble third-party-packages wayland-session
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https://bugs.launchpad.net/bugs/2161352
Title:
Teams cannot find the camera. On restart received numerous dmesg
errors.
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