Hello all!

I'm using OpenBSD 7.2 RELEASE, 
but I've seen this problem on earlier versions as well. 
Please tell me, when I am playing audio through sndio,
for example with firefox or mpd, 
and the processor load starts to increase,
for example because I opened a heavy web page or some heavy application,
sometimes I hear clicks, or my audio is interrupted,
and I have to restart the playback.
I can see in the mpd log at this time:

output: Failed to play on "Libao Audio Device" (sndio): sndio write failed

I tried increasing the sndiod buffer to 9600,
but that didn't do anything.
I also tried running sndio with the -d flag,
but I didn't see any errors. 
I have two laptops with OpenBSD, a Thinkpad x250 and a Latitude 5300,
and both laptops have this problem.
If anyone can tell me what might be the problem,
I would be very grateful, thank you very much.

My mixerctl settings:

$ doas mixerctl -v -a
inputs.dac-0:1=152,152 
inputs.dac-2:3=152,152 
record.adc-2:3_mute=off  [ off on ]
record.adc-2:3=172,172 
record.adc-0:1_mute=off  [ off on ]
record.adc-0:1=172,172 
inputs.mix_source=spkr3,mic2,beep  { spkr3 mic2 beep }
inputs.mix_spkr3=120,120 
inputs.mix_mic2=120,120 
inputs.mix_beep=120,120 
inputs.mix2_source=dac-0:1,mix  { dac-0:1 mix }
inputs.mix3_source=dac-2:3,mix  { dac-2:3 mix }
inputs.mix4_source=dac-0:1,dac-2:3  { dac-0:1 dac-2:3 }
inputs.mic=85,85 
outputs.spkr_source=mix3  [ mix2 mix3 ]
outputs.spkr_mute=off  [ off on ]
outputs.spkr_eapd=on  [ off on ]
outputs.hp_source=mix2  [ mix2 mix3 ]
outputs.hp_mute=off  [ off on ]
outputs.hp_boost=off  [ off on ]
outputs.hp_eapd=on  [ off on ]
outputs.spkr2_source=mix2  [ mix2 mix3 ]
outputs.spkr2_mute=off  [ off on ]
outputs.spkr2_boost=off  [ off on ]
outputs.spkr2_eapd=on  [ off on ]
inputs.spkr3=85,85 
inputs.mic2=85,85 
outputs.mic2_dir=input-vr80  [ none input input-vr0 input-vr50 input-vr80 
input-vr100 ]
record.adc-0:1_source=mic  [ spkr3 mic2 beep mix mic ]
record.adc-2:3_source=spkr3  [ spkr3 mic2 beep mix ]
outputs.hp_sense=unplugged  [ unplugged plugged ]
outputs.mic2_sense=unplugged  [ unplugged plugged ]
outputs.spkr_muters=hp  { hp }
outputs.master=153,153 
outputs.master.mute=off  [ off on ]
outputs.master.slaves=dac-0:1,dac-2:3,spkr,hp,spkr2  { dac-0:1 dac-2:3 spkr hp 
spkr2 }
record.volume=173,173 
record.volume.mute=off  [ off on ]
record.volume.slaves=adc-2:3,adc-0:1  { adc-2:3 adc-0:1 mic spkr3 mic2 }
record.enable=sysctl  [ off on sysctl ]

My dmesg on Thinkpad:

OpenBSD 7.2 (GENERIC.MP) #2: Thu Nov 24 23:54:39 MST 2022
    
r...@syspatch-72-amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP
real mem = 17036316672 (16247MB)
avail mem = 16502607872 (15738MB)
random: good seed from bootblocks
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root
bios0 at mainbus0: SMBIOS rev. 2.7 @ 0xacbfd000 (65 entries)
bios0: vendor LENOVO version "N10ET62W (1.41 )" date 04/08/2021
bios0: LENOVO 20CM003HRT
acpi0 at bios0: ACPI 5.0
acpi0: sleep states S0 S3 S4 S5
acpi0: tables DSDT FACP SLIC ASF! HPET ECDT APIC MCFG SSDT SSDT SSDT SSDT SSDT 
SSDT SSDT SSDT SSDT PCCT SSDT UEFI MSDM BATB FPDT UEFI BGRT DMAR
acpi0: wakeup devices LID_(S4) SLPB(S3) IGBE(S4) EXP2(S4) XHCI(S3) EHC1(S3)
acpitimer0 at acpi0: 3579545 Hz, 24 bits
acpihpet0 at acpi0: 14318179 Hz
acpiec0 at acpi0
acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
cpu0 at mainbus0: apid 0 (boot processor)
cpu0: Intel(R) Core(TM) i5-5200U CPU @ 2.20GHz, 2095.17 MHz, 06-3d-04
cpu0: 
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,PERF,ITSC,FSGSBASE,TSC_ADJUST,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,RDSEED,ADX,SMAP,PT,SRBDS_CTRL,MD_CLEAR,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,MELTDOWN
cpu0: 32KB 64b/line 8-way D-cache, 32KB 64b/line 8-way I-cache, 256KB 64b/line 
8-way L2 cache, 3MB 64b/line 12-way L3 cache
cpu0: smt 0, core 0, package 0
mtrr: Pentium Pro MTRR support, 10 var ranges, 88 fixed ranges
cpu0: apic clock running at 99MHz
cpu0: mwait min=64, max=64, C-substates=0.2.1.2.4.1.1.1, IBE
cpu1 at mainbus0: apid 1 (application processor)
cpu1: Intel(R) Core(TM) i5-5200U CPU @ 2.20GHz, 2095.16 MHz, 06-3d-04
cpu1: 
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,PERF,ITSC,FSGSBASE,TSC_ADJUST,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,RDSEED,ADX,SMAP,PT,SRBDS_CTRL,MD_CLEAR,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,MELTDOWN
cpu1: 32KB 64b/line 8-way D-cache, 32KB 64b/line 8-way I-cache, 256KB 64b/line 
8-way L2 cache, 3MB 64b/line 12-way L3 cache
cpu1: smt 1, core 0, package 0
cpu2 at mainbus0: apid 2 (application processor)
cpu2: Intel(R) Core(TM) i5-5200U CPU @ 2.20GHz, 2095.15 MHz, 06-3d-04
cpu2: 
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,PERF,ITSC,FSGSBASE,TSC_ADJUST,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,RDSEED,ADX,SMAP,PT,SRBDS_CTRL,MD_CLEAR,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,MELTDOWN
cpu2: 32KB 64b/line 8-way D-cache, 32KB 64b/line 8-way I-cache, 256KB 64b/line 
8-way L2 cache, 3MB 64b/line 12-way L3 cache
cpu2: smt 0, core 1, package 0
cpu3 at mainbus0: apid 3 (application processor)
cpu3: Intel(R) Core(TM) i5-5200U CPU @ 2.20GHz, 2095.16 MHz, 06-3d-04
cpu3: 
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,PERF,ITSC,FSGSBASE,TSC_ADJUST,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,RDSEED,ADX,SMAP,PT,SRBDS_CTRL,MD_CLEAR,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,MELTDOWN
cpu3: 32KB 64b/line 8-way D-cache, 32KB 64b/line 8-way I-cache, 256KB 64b/line 
8-way L2 cache, 3MB 64b/line 12-way L3 cache
cpu3: smt 1, core 1, package 0
ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 40 pins
acpimcfg0 at acpi0
acpimcfg0: addr 0xf8000000, bus 0-63
acpiprt0 at acpi0: bus 0 (PCI0)
acpiprt1 at acpi0: bus -1 (PEG_)
acpiprt2 at acpi0: bus 2 (EXP1)
acpiprt3 at acpi0: bus 3 (EXP2)
acpiprt4 at acpi0: bus -1 (EXP3)
acpibtn0 at acpi0: LID_
acpibtn1 at acpi0: SLPB
acpipci0 at acpi0 PCI0: 0x00000000 0x00000011 0x00000001
acpicmos0 at acpi0
acpibat0 at acpi0: BAT0 model "45N1111" serial 13293 type LiP oem "SONY"
acpibat1 at acpi0: BAT1 model "45N1767" serial    41 type LION oem "SANYO"
acpiac0 at acpi0: AC unit online
acpithinkpad0 at acpi0: version 1.0
"PNP0C14" at acpi0 not configured
"PNP0C14" at acpi0 not configured
"PNP0C14" at acpi0 not configured
"INT340F" at acpi0 not configured
acpicpu0 at acpi0: C3(200@233 mwait.1@0x40), C2(200@148 mwait.1@0x33), 
C1(1000@1 mwait.1), PSS
acpicpu1 at acpi0: C3(200@233 mwait.1@0x40), C2(200@148 mwait.1@0x33), 
C1(1000@1 mwait.1), PSS
acpicpu2 at acpi0: C3(200@233 mwait.1@0x40), C2(200@148 mwait.1@0x33), 
C1(1000@1 mwait.1), PSS
acpicpu3 at acpi0: C3(200@233 mwait.1@0x40), C2(200@148 mwait.1@0x33), 
C1(1000@1 mwait.1), PSS
acpipwrres0 at acpi0: PUBS, resource for XHCI, EHC1
acpipwrres1 at acpi0: NVP3, resource for PEG_
acpipwrres2 at acpi0: NVP2, resource for PEG_
acpitz0 at acpi0: critical temperature is 128 degC
acpivideo0 at acpi0: VID_
acpivout0 at acpivideo0: LCD0
acpivideo1 at acpi0: VID_
cpu0: using VERW MDS workaround (except on vmm entry)
cpu0: Enhanced SpeedStep 2095 MHz: speeds: 2201, 2200, 2100, 2000, 1800, 1700, 
1600, 1500, 1300, 1200, 1100, 1000, 900, 700, 600, 500 MHz
pci0 at mainbus0 bus 0
pchb0 at pci0 dev 0 function 0 "Intel Core 5G Host" rev 0x09
inteldrm0 at pci0 dev 2 function 0 "Intel HD Graphics 5500" rev 0x09
drm0 at inteldrm0
inteldrm0: msi, BROADWELL, gen 8
azalia0 at pci0 dev 3 function 0 "Intel Core 5G HD Audio" rev 0x09: msi
azalia0: No codecs found
xhci0 at pci0 dev 20 function 0 "Intel 9 Series xHCI" rev 0x03: msi, xHCI 1.0
usb0 at xhci0: USB revision 3.0
uhub0 at usb0 configuration 1 interface 0 "Intel xHCI root hub" rev 3.00/1.00 
addr 1
"Intel 9 Series MEI" rev 0x03 at pci0 dev 22 function 0 not configured
em0 at pci0 dev 25 function 0 "Intel I218-LM" rev 0x03: msi, address 
50:7b:9d:44:97:f0
azalia1 at pci0 dev 27 function 0 "Intel 9 Series HD Audio" rev 0x03: msi
azalia1: codecs: Realtek ALC292
audio0 at azalia1
ppb0 at pci0 dev 28 function 0 "Intel 9 Series PCIE" rev 0xe3: msi
pci1 at ppb0 bus 2
rtsx0 at pci1 dev 0 function 0 "Realtek RTS5227 Card Reader" rev 0x01: msi
sdmmc0 at rtsx0: 4-bit, dma
ppb1 at pci0 dev 28 function 1 "Intel 9 Series PCIE" rev 0xe3: msi
pci2 at ppb1 bus 3
iwm0 at pci2 dev 0 function 0 "Intel AC 7265" rev 0x61, msi
ehci0 at pci0 dev 29 function 0 "Intel 9 Series USB" rev 0x03: apic 2 int 23
usb1 at ehci0: USB revision 2.0
uhub1 at usb1 configuration 1 interface 0 "Intel EHCI root hub" rev 2.00/1.00 
addr 1
pcib0 at pci0 dev 31 function 0 "Intel 9 Series LPC" rev 0x03
ahci0 at pci0 dev 31 function 2 "Intel 9 Series AHCI" rev 0x03: msi, AHCI 1.3
ahci0: port 0: 6.0Gb/s
ahci0: port 2: 6.0Gb/s
scsibus1 at ahci0: 32 targets
sd0 at scsibus1 targ 0 lun 0: <ATA, KINGSTON SKC6005, S480> naa.50026b77849f1df3
sd0: 488386MB, 512 bytes/sector, 1000215216 sectors, thin
sd1 at scsibus1 targ 2 lun 0: <ATA, SanDisk SSD U110, U21B> naa.5001b44ecae2d21c
sd1: 15272MB, 512 bytes/sector, 31277232 sectors, thin
ichiic0 at pci0 dev 31 function 3 "Intel 9 Series SMBus" rev 0x03: apic 2 int 18
iic0 at ichiic0
pchtemp0 at pci0 dev 31 function 6 "Intel 9 Series Thermal" rev 0x03
isa0 at pcib0
isadma0 at isa0
pckbc0 at isa0 port 0x60/5 irq 1 irq 12
pckbd0 at pckbc0 (kbd slot)
wskbd0 at pckbd0: console keyboard
pms0 at pckbc0 (aux slot)
wsmouse0 at pms0 mux 0
wsmouse1 at pms0 mux 0
pms0: Synaptics clickpad, firmware 8.1, 0x1e2b1 0x943300 0x330340 0xf002a3 
0x12e800
pcppi0 at isa0 port 0x61
spkr0 at pcppi0
vmm0 at mainbus0: VMX/EPT
efifb at mainbus0 not configured
uhub2 at uhub0 port 3 configuration 1 interface 0 "LENOVO Lenovo ThinkPad Dock" 
rev 2.10/50.40 addr 2
uhidev0 at uhub2 port 3 configuration 1 interface 0 "Soarer Soarer's Keyboard 
Converter" rev 2.00/1.00 addr 3
uhidev0: iclass 3/1
ukbd0 at uhidev0: no usable key codes array
uhidev1 at uhub2 port 3 configuration 1 interface 1 "Soarer Soarer's Keyboard 
Converter" rev 2.00/1.00 addr 3
uhidev1: iclass 3/0
uhid0 at uhidev1: input=32, output=0, feature=0
uhidev2 at uhub2 port 3 configuration 1 interface 2 "Soarer Soarer's Keyboard 
Converter" rev 2.00/1.00 addr 3
uhidev2: iclass 3/0, 3 report ids
ukbd1 at uhidev2 reportid 1: 128 variable keys, 0 key codes
wskbd1 at ukbd1 mux 1
uhid1 at uhidev2 reportid 2: input=1, output=0, feature=0
ucc0 at uhidev2 reportid 3: 24 usages, 13 keys, enum
wskbd2 at ucc0 mux 1
uhidev3 at uhub2 port 3 configuration 1 interface 3 "Soarer Soarer's Keyboard 
Converter" rev 2.00/1.00 addr 3
uhidev3: iclass 3/0
uhid2 at uhidev3: input=64, output=64, feature=0
uhub3 at uhub2 port 4 configuration 1 interface 0 "Lenovo Lenovo ThinkPad Dock" 
rev 2.00/0.01 addr 4
uhidev4 at uhub3 port 1 configuration 1 interface 0 "Logitech G500s Laser 
Gaming Mouse" rev 2.00/84.01 addr 5
uhidev4: iclass 3/1
ums0 at uhidev4: 16 buttons, Z and W dir
wsmouse2 at ums0 mux 0
uhidev5 at uhub3 port 1 configuration 1 interface 1 "Logitech G500s Laser 
Gaming Mouse" rev 2.00/84.01 addr 5
uhidev5: iclass 3/0, 17 report ids
uhidpp0 at uhidev5
ukbd2 at uhidev5 reportid 1: 8 variable keys, 5 key codes
wskbd3 at ukbd2 mux 1
ucc1 at uhidev5 reportid 3: 652 usages, 18 keys, array
wskbd4 at ucc1 mux 1
umb0 at uhub0 port 4 configuration 1 interface 0 "Sierra Wireless Inc. Sierra 
Wireless EM7345 4G LTE" rev 2.00/17.29 addr 6
umodem0 at uhub0 port 4 configuration 1 interface 2 "Sierra Wireless Inc. 
Sierra Wireless EM7345 4G LTE" rev 2.00/17.29 addr 6
umodem0: data interface 3, has no CM over data, has break
umodem0: status change notification available
ucom0 at umodem0
ugen0 at uhub0 port 6 "Validity Sensors VFS5011 Fingerprint Reader" rev 
1.10/0.78 addr 7
ugen1 at uhub0 port 7 "Intel Bluetooth" rev 2.01/0.01 addr 8
uvideo0 at uhub0 port 8 configuration 1 interface 0 "Chicony Electronics 
Co.,Ltd. Integrated Camera" rev 2.00/0.44 addr 9
video0 at uvideo0
uhub4 at uhub0 port 14 configuration 1 interface 0 "LENOVO Lenovo ThinkPad 
Dock" rev 3.00/50.41 addr 10
uhub5 at uhub1 port 1 configuration 1 interface 0 "Intel Rate Matching Hub" rev 
2.00/0.03 addr 2
vscsi0 at root
scsibus2 at vscsi0: 256 targets
softraid0 at root
scsibus3 at softraid0: 256 targets
sd2 at scsibus3 targ 1 lun 0: <OPENBSD, SR CRYPTO, 006>
sd2: 368386MB, 512 bytes/sector, 754454655 sectors
root on sd2a (80a10e0eb8d7c0ac.a) swap on sd2b dump on sd2b
inteldrm0: 1920x1080, 32bpp
wsdisplay0 at inteldrm0 mux 1: console (std, vt100 emulation), using wskbd0
wskbd1: connecting to wsdisplay0
wskbd2: connecting to wsdisplay0
wskbd3: connecting to wsdisplay0
wskbd4: connecting to wsdisplay0
wsdisplay0: screen 1-5 added (std, vt100 emulation)
iwm0: hw rev 0x210, fw ver 17.3216344376.0, address 4c:34:88:a2:25:ab

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