>Synopsis:      Changing the brigthness either with the fn keys or with 
>wsconsctl induces freezes
>Category:      
>Environment:
        System      : OpenBSD 7.2
        Details     : OpenBSD 7.2-current (GENERIC.MP) #979: Sun Jan 22 
21:51:52 MST 2023
                         
dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP

        Architecture: OpenBSD.amd64
        Machine     : amd64
>Description:
        It's been now a month or two that I've been having the issue where when 
I want to
        change the brightness on my laptop (Thinkpad t460s) it induced heavy 
freezes 
        (2-3 sec stutters) and then comes back to normal.  If I press on the 
key multiple
        times as I normally would to reduce brightness it can go up to 10-15sec 
being totally
        unresponsive.  When I try with wsconctl, the brightness changes 
imediately but my
        laptop also becomes unresponsive for a few seconds.
        Today I tried to "ktrace -di wsconsctl display.brightness=30" and look 
at timestamps
        in the kdump, but the delta between the first and last timestamp is 
less that a few
        miliseconds... I'll include it bellow the dmesg.
        Since I've recently learnt of xonly, I am wondering if this is also one 
of the side
        effects.
        I am happy to provide more info if needed.
>How-To-Repeat:
        Try to change the brightness on a thinkpad t460s with either the fn 
keys and/or
        with wsconctl and notice the unresponsivness for a few seconds.
>Fix:
        No


dmesg:
OpenBSD 7.2-current (GENERIC.MP) #979: Sun Jan 22 21:51:52 MST 2023
    dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP
real mem = 8287989760 (7904MB)
avail mem = 8017408000 (7645MB)
random: good seed from bootblocks
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root
bios0 at mainbus0: SMBIOS rev. 2.8 @ 0xcf081000 (65 entries)
bios0: vendor LENOVO version "N1CET86W (1.54 )" date 12/06/2021
bios0: LENOVO 20FAS2WE1B
efi0 at bios0: UEFI 2.4
efi0: Lenovo rev 0x1540
acpi0 at bios0: ACPI 5.0
acpi0: sleep states S0 S3 S4 S5
acpi0: tables DSDT FACP UEFI SSDT SSDT ECDT HPET APIC MCFG SSDT DBGP DBG2 BOOT 
BATB SLIC SSDT SSDT MSDM DMAR ASF! FPDT UEFI
acpi0: wakeup devices LID_(S4) SLPB(S3) IGBE(S4) EXP2(S4) XHCI(S3)
acpitimer0 at acpi0: 3579545 Hz, 24 bits
acpiec0 at acpi0
acpihpet0 at acpi0: 23999999 Hz
acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
cpu0 at mainbus0: apid 0 (boot processor)
cpu0: Intel(R) Core(TM) i5-6300U CPU @ 2.40GHz, 1145.15 MHz, 06-4e-03
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,SMX,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,SGX,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,SRBDS_CTRL,MD_CLEAR,TSXFA,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES,MELTDOWN
cpu0: 32KB 64b/line 8-way D-cache, 32KB 64b/line 8-way I-cache, 256KB 64b/line 
4-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 24MHz
cpu0: mwait min=64, max=64, C-substates=0.2.1.2.4.1.1.1, IBE
cpu1 at mainbus0: apid 2 (application processor)
cpu1: Intel(R) Core(TM) i5-6300U CPU @ 2.40GHz, 949.13 MHz, 06-4e-03
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,SMX,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,SGX,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,SRBDS_CTRL,MD_CLEAR,TSXFA,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES,MELTDOWN
cpu1: 32KB 64b/line 8-way D-cache, 32KB 64b/line 8-way I-cache, 256KB 64b/line 
4-way L2 cache, 3MB 64b/line 12-way L3 cache
cpu1: smt 0, core 1, package 0
cpu2 at mainbus0: apid 1 (application processor)
cpu2: Intel(R) Core(TM) i5-6300U CPU @ 2.40GHz, 897.91 MHz, 06-4e-03
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,SMX,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,SGX,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,SRBDS_CTRL,MD_CLEAR,TSXFA,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES,MELTDOWN
cpu2: 32KB 64b/line 8-way D-cache, 32KB 64b/line 8-way I-cache, 256KB 64b/line 
4-way L2 cache, 3MB 64b/line 12-way L3 cache
cpu2: smt 1, core 0, package 0
cpu3 at mainbus0: apid 3 (application processor)
cpu3: Intel(R) Core(TM) i5-6300U CPU @ 2.40GHz, 897.91 MHz, 06-4e-03
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,SMX,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,SGX,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,SRBDS_CTRL,MD_CLEAR,TSXFA,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES,MELTDOWN
cpu3: 32KB 64b/line 8-way D-cache, 32KB 64b/line 8-way I-cache, 256KB 64b/line 
4-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, 120 pins
acpimcfg0 at acpi0
acpimcfg0: addr 0xf8000000, bus 0-63
acpiprt0 at acpi0: bus 0 (PCI0)
acpiprt1 at acpi0: bus -1 (PEG0)
acpiprt2 at acpi0: bus -1 (PEG1)
acpiprt3 at acpi0: bus -1 (PEG2)
acpiprt4 at acpi0: bus 2 (EXP1)
acpiprt5 at acpi0: bus -1 (EXP2)
acpiprt6 at acpi0: bus 4 (EXP3)
acpiprt7 at acpi0: bus -1 (EXP5)
acpiprt8 at acpi0: bus -1 (RP09)
acpibtn0 at acpi0: LID_
acpibtn1 at acpi0: SLPB
acpipci0 at acpi0 PCI0: 0x00000000 0x00000011 0x00000001
acpicmos0 at acpi0
acpibat0 at acpi0: BAT0 model "00HW023" serial  2042 type LiP oem "SMP"
acpibat1 at acpi0: BAT1 model "01AV405" serial  2569 type LION oem "SANYO"
acpiac0 at acpi0: AC unit offline
acpithinkpad0 at acpi0: version 2.0
"PNP0C14" at acpi0 not configured
"PNP0C14" at acpi0 not configured
"PNP0C14" at acpi0 not configured
"INT0E0C" at acpi0 not configured
acpicpu0 at acpi0: C3(200@1034 mwait.1@0x60), C2(200@151 mwait.1@0x33), 
C1(1000@1 mwait.1), PSS
acpicpu1 at acpi0: C3(200@1034 mwait.1@0x60), C2(200@151 mwait.1@0x33), 
C1(1000@1 mwait.1), PSS
acpicpu2 at acpi0: C3(200@1034 mwait.1@0x60), C2(200@151 mwait.1@0x33), 
C1(1000@1 mwait.1), PSS
acpicpu3 at acpi0: C3(200@1034 mwait.1@0x60), C2(200@151 mwait.1@0x33), 
C1(1000@1 mwait.1), PSS
acpipwrres0 at acpi0: PUBS, resource for XHCI
acpipwrres1 at acpi0: PG00, resource for PEG0
acpipwrres2 at acpi0: PG01, resource for PEG1
acpipwrres3 at acpi0: PG02, resource for PEG2
acpipwrres4 at acpi0: WRST
acpipwrres5 at acpi0: WRST
acpitz0 at acpi0: critical temperature is 128 degC
acpivideo0 at acpi0: GFX0
acpivout0 at acpivideo0: DD1F
cpu0: using VERW MDS workaround (except on vmm entry)
cpu0: Enhanced SpeedStep 1145 MHz: speeds: 2401, 2400, 2300, 2200, 2000, 1900, 
1700, 1600, 1400, 1300, 1100, 1000, 800, 700, 500, 400 MHz
pci0 at mainbus0 bus 0
pchb0 at pci0 dev 0 function 0 "Intel Core 6G Host" rev 0x08
inteldrm0 at pci0 dev 2 function 0 "Intel HD Graphics 520" rev 0x07
drm0 at inteldrm0
inteldrm0: msi, SKYLAKE, gen 9
"Intel Core GMM" rev 0x00 at pci0 dev 8 function 0 not configured
xhci0 at pci0 dev 20 function 0 "Intel 100 Series xHCI" rev 0x21: 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
pchtemp0 at pci0 dev 20 function 2 "Intel 100 Series Thermal" rev 0x21
"Intel 100 Series MEI" rev 0x21 at pci0 dev 22 function 0 not configured
ahci0 at pci0 dev 23 function 0 "Intel 100 Series AHCI" rev 0x21: msi, AHCI 
1.3.1
ahci0: port 1: 6.0Gb/s
scsibus1 at ahci0: 32 targets
sd0 at scsibus1 targ 1 lun 0: <ATA, SAMSUNG MZNTY256, MAT2> naa.5002538d00000000
sd0: 244198MB, 512 bytes/sector, 500118192 sectors, thin
ppb0 at pci0 dev 28 function 0 "Intel 100 Series PCIE" rev 0xf1: msi
pci1 at ppb0 bus 2
rtsx0 at pci1 dev 0 function 0 "Realtek RTS522A Card Reader" rev 0x01: msi
sdmmc0 at rtsx0: 4-bit, dma
ppb1 at pci0 dev 28 function 2 "Intel 100 Series PCIE" rev 0xf1: msi
pci2 at ppb1 bus 4
iwm0 at pci2 dev 0 function 0 "Intel AC 8260" rev 0x3a, msi
pcib0 at pci0 dev 31 function 0 "Intel 100 Series LPC" rev 0x21
"Intel 100 Series PMC" rev 0x21 at pci0 dev 31 function 2 not configured
azalia0 at pci0 dev 31 function 3 "Intel 100 Series HD Audio" rev 0x21: msi
azalia0: codecs: Realtek ALC293, Intel/0x2809, using Realtek ALC293
audio0 at azalia0
ichiic0 at pci0 dev 31 function 4 "Intel 100 Series SMBus" rev 0x21: apic 2 int 
16
iic0 at ichiic0
em0 at pci0 dev 31 function 6 "Intel I219-LM" rev 0x21: msi, address 
c8:5b:76:ef:06:b3
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 8.2, 0x1e2b1 0x943300 0x334940 0xf003a3 
0x12e800
pcppi0 at isa0 port 0x61
spkr0 at pcppi0
vmm0 at mainbus0: VMX/EPT
efifb at mainbus0 not configured
uvideo0 at uhub0 port 8 configuration 1 interface 0 "SunplusIT Inc Integrated 
Camera" rev 2.00/0.12 addr 2
video0 at uvideo0
vscsi0 at root
scsibus2 at vscsi0: 256 targets
softraid0 at root
scsibus3 at softraid0: 256 targets
sd1 at scsibus3 targ 1 lun 0: <OPENBSD, SR CRYPTO, 006>
sd1: 244197MB, 512 bytes/sector, 500116607 sectors
root on sd1a (7596e8000adaf638.a) swap on sd1b dump on sd1b
drm:pid0:intel_ddi_sanitize_encoder_pll_mapping *NOTICE* [drm] [ENCODER:102:DDI 
B/PHY B] is disabled/in DSI mode with an ungated DDI clock, gate it
drm:pid0:intel_ddi_sanitize_encoder_pll_mapping *NOTICE* [drm] [ENCODER:116:DDI 
C/PHY C] is disabled/in DSI mode with an ungated DDI clock, gate it
inteldrm0: 1920x1080, 32bpp
wsdisplay0 at inteldrm0 mux 1: console (std, vt100 emulation), using wskbd0
wsdisplay0: screen 1-5 added (std, vt100 emulation)
iwm0: hw rev 0x200, fw ver 36.ca7b901d.0, address 14:ab:c5:0f:78:9b

kdump -T of "wsconsctl display.brightness=30":
 72649 ktrace   1674571445.128136 RET   ktrace 0
 72649 ktrace   1674571445.128139 CALL  
mmap(0,0x4c,0x3<PROT_READ|PROT_WRITE>,0x1002<MAP_PRIVATE|MAP_ANON>,-1,0)
 72649 ktrace   1674571445.128142 RET   mmap 724688756736/0xa8bad0e000
 72649 ktrace   1674571445.128172 CALL  
execve(0x7f7ffffeeac0,0x7f7ffffef0b8,0x7f7ffffef0d0)
 72649 ktrace   1674571445.128175 NAMI  "/usr/bin/wsconsctl"
 72649 ktrace   1674571445.128183 RET   execve -1 errno 2 No such file or 
directory
 72649 ktrace   1674571445.128185 CALL  
execve(0x7f7ffffeeac0,0x7f7ffffef0b8,0x7f7ffffef0d0)
 72649 ktrace   1674571445.128187 NAMI  "/bin/wsconsctl"
 72649 ktrace   1674571445.128193 RET   execve -1 errno 2 No such file or 
directory
 72649 ktrace   1674571445.128194 CALL  
execve(0x7f7ffffeeac0,0x7f7ffffef0b8,0x7f7ffffef0d0)
 72649 ktrace   1674571445.128196 NAMI  "/usr/sbin/wsconsctl"
 72649 ktrace   1674571445.128202 RET   execve -1 errno 2 No such file or 
directory
 72649 ktrace   1674571445.128203 CALL  
execve(0x7f7ffffeeac0,0x7f7ffffef0b8,0x7f7ffffef0d0)
 72649 ktrace   1674571445.128206 NAMI  "/sbin/wsconsctl"
 72649 ktrace   1674571445.128748 ARGS  
        [0] = "wsconsctl"
        [1] = "display.brightness=30"
 72649 wsconsctl 1674571445.129038 RET   execve JUSTRETURN
 72649 wsconsctl 1674571445.130194 CALL  issetugid()
 72649 wsconsctl 1674571445.130196 RET   issetugid 0
 72649 wsconsctl 1674571445.130365 CALL  
mmap(0,0x40,0x3<PROT_READ|PROT_WRITE>,0x1002<MAP_PRIVATE|MAP_ANON>,-1,0)
 72649 wsconsctl 1674571445.130369 RET   mmap 5572008136704/0x5115590d000
 72649 wsconsctl 1674571445.130375 CALL  getthrid()
 72649 wsconsctl 1674571445.130377 RET   getthrid 121065/0x1d8e9
 72649 wsconsctl 1674571445.130378 CALL  __set_tcb(0x5115590d000)
 72649 wsconsctl 1674571445.130380 RET   __set_tcb 0
 72649 wsconsctl 1674571445.130562 CALL  mimmutable(0x50efad33000,0xea44)
 72649 wsconsctl 1674571445.130564 RET   mimmutable 0
 72649 wsconsctl 1674571445.130566 CALL  mimmutable(0x50efad42a50,0x2b390)
 72649 wsconsctl 1674571445.130568 RET   mimmutable 0
 72649 wsconsctl 1674571445.130569 CALL  
mprotect(0x50efad6ede0,0x1bf8,0x1<PROT_READ>)
 72649 wsconsctl 1674571445.130572 RET   mprotect 0
 72649 wsconsctl 1674571445.130574 CALL  mimmutable(0x50efad6ede0,0x1bf8)
 72649 wsconsctl 1674571445.130575 RET   mimmutable 0
 72649 wsconsctl 1674571445.130580 CALL  
mmap(0,0x1000,0x3<PROT_READ|PROT_WRITE>,0x1002<MAP_PRIVATE|MAP_ANON>,-1,0)
 72649 wsconsctl 1674571445.130583 RET   mmap 5571147198464/0x511223ff000
 72649 wsconsctl 1674571445.130589 CALL  
mprotect(0x511223ff000,0x1000,0x1<PROT_READ>)
 72649 wsconsctl 1674571445.130591 RET   mprotect 0
 72649 wsconsctl 1674571445.131184 CALL  open(0x50efad77130,0x1<O_WRONLY>)
 72649 wsconsctl 1674571445.131187 NAMI  "/dev/ttyC0"
 72649 wsconsctl 1674571445.131196 RET   open 3
 72649 wsconsctl 1674571445.131394 CALL  
ioctl(3,WSDISPLAYIO_GETPARAM,0x7f7ffffd2a60)
 72649 wsconsctl 1674571445.131410 RET   ioctl 0
 72649 wsconsctl 1674571445.131429 CALL  
mprotect(0x511223ff000,0x1000,0x3<PROT_READ|PROT_WRITE>)
 72649 wsconsctl 1674571445.131431 RET   mprotect 0
 72649 wsconsctl 1674571445.131436 CALL  
mprotect(0x511223ff000,0x1000,0x1<PROT_READ>)
 72649 wsconsctl 1674571445.131438 RET   mprotect 0
 72649 wsconsctl 1674571445.131449 CALL  
ioctl(3,WSDISPLAYIO_SETPARAM,0x7f7ffffd2a80)
 72649 wsconsctl 1674571445.131477 RET   ioctl 0
 72649 wsconsctl 1674571445.131528 CALL  
ioctl(3,WSDISPLAYIO_GETPARAM,0x7f7ffffd2a60)
 72649 wsconsctl 1674571445.131538 RET   ioctl 0
 72649 wsconsctl 1674571445.131540 CALL  fstat(1,0x7f7ffffd2120)
 72649 wsconsctl 1674571445.131542 STRU  struct stat { dev=1040, ino=26427, 
mode=crw--w---- , nlink=1, uid=1000<"nature">, gid=4<"tty">, rdev=1281, 
atime=1674571445<"Jan 24 15:44:05 2023">.126462139, mtime=1674571445<"Jan 24 
15:44:05 2023">.126462139, ctime=1674571445<"Jan 24 15:44:05 2023">.126462139, 
size=0, blocks=0, blksize=65536, flags=0x0, gen=0xb7efe3fb }
 72649 wsconsctl 1674571445.131543 RET   fstat 0
 72649 wsconsctl 1674571445.131737 CALL  
sysctl(2.12<vm.malloc_conf>,0x7f7ffffd2070,0x7f7ffffd2088,0,0)
 72649 wsconsctl 1674571445.131743 RET   sysctl 0
 72649 wsconsctl 1674571445.131745 CALL  issetugid()
 72649 wsconsctl 1674571445.131746 RET   issetugid 0
 72649 wsconsctl 1674571445.131748 CALL  getentropy(0x7f7ffffd1fe0,40)
 72649 wsconsctl 1674571445.131750 RET   getentropy 0
 72649 wsconsctl 1674571445.131751 CALL  
mmap(0,0x450,0x3<PROT_READ|PROT_WRITE>,0x1002<MAP_PRIVATE|MAP_ANON>,-1,0)
 72649 wsconsctl 1674571445.131755 RET   mmap 5572285562880/0x511661a0000
 72649 wsconsctl 1674571445.131756 CALL  
minherit(0x511661a0000,0x450,MAP_INHERIT_ZERO)
 72649 wsconsctl 1674571445.131758 RET   minherit 0
 72649 wsconsctl 1674571445.131769 CALL  
mmap(0,0x4700,0<PROT_NONE>,0x1002<MAP_PRIVATE|MAP_ANON>,-1,0)
 72649 wsconsctl 1674571445.131772 RET   mmap 5570985930752/0x51118a33000
 72649 wsconsctl 1674571445.131773 CALL  
mprotect(0x51118a34000,0x2700,0x3<PROT_READ|PROT_WRITE>)
 72649 wsconsctl 1674571445.131778 RET   mprotect 0
 72649 wsconsctl 1674571445.131779 CALL  mimmutable(0x51118a33000,0x4700)
 72649 wsconsctl 1674571445.131781 RET   mimmutable 0
 72649 wsconsctl 1674571445.131782 CALL  
mprotect(0x50efad76000,0x1000,0x1<PROT_READ>)
 72649 wsconsctl 1674571445.131787 RET   mprotect 0
 72649 wsconsctl 1674571445.131806 CALL  mimmutable(0x50efad76000,0x1000)
 72649 wsconsctl 1674571445.131808 RET   mimmutable 0
 72649 wsconsctl 1674571445.131817 CALL  
mmap(0,0x2200,0x3<PROT_READ|PROT_WRITE>,0x1002<MAP_PRIVATE|MAP_ANON>,-1,0)
 72649 wsconsctl 1674571445.131819 RET   mmap 5573590016000/0x511b3da6000
 72649 wsconsctl 1674571445.131821 CALL  mimmutable(0x511b3da6000,0x2200)
 72649 wsconsctl 1674571445.131822 RET   mimmutable 0
 72649 wsconsctl 1674571445.131829 CALL  
mmap(0,0x10000,0x3<PROT_READ|PROT_WRITE>,0x1002<MAP_PRIVATE|MAP_ANON>,-1,0)
 72649 wsconsctl 1674571445.131832 RET   mmap 5572100472832/0x5115b11c000
 72649 wsconsctl 1674571445.131833 CALL  
mmap(0,0x1000,0x3<PROT_READ|PROT_WRITE>,0x1002<MAP_PRIVATE|MAP_ANON>,-1,0)
 72649 wsconsctl 1674571445.131836 RET   mmap 5574490587136/0x511e9880000
 72649 wsconsctl 1674571445.131842 CALL  fcntl(1,F_ISATTY)
 72649 wsconsctl 1674571445.131844 RET   fcntl 1
 72649 wsconsctl 1674571445.131853 CALL  write(1,0x5115b11c000,0x1d)
 72649 wsconsctl 1674571445.131861 GIO   fd 1 wrote 29 bytes
       "display.brightness -> 29.92%
       "
 72649 wsconsctl 1674571445.131865 RET   write 29/0x1d
 72649 wsconsctl 1674571445.131866 CALL  close(3)
 72649 wsconsctl 1674571445.131869 RET   close 0
 72649 wsconsctl 1674571445.131871 CALL  
mprotect(0x511223ff000,0x1000,0x3<PROT_READ|PROT_WRITE>)
 72649 wsconsctl 1674571445.131873 RET   mprotect 0
 72649 wsconsctl 1674571445.131879 CALL  
mprotect(0x511223ff000,0x1000,0x1<PROT_READ>)
 72649 wsconsctl 1674571445.131883 RET   mprotect 0
 72649 wsconsctl 1674571445.131885 CALL  
mprotect(0x511223ff000,0x1000,0x3<PROT_READ|PROT_WRITE>)
 72649 wsconsctl 1674571445.131891 RET   mprotect 0
 72649 wsconsctl 1674571445.131912 CALL  
mprotect(0x511223ff000,0x1000,0x1<PROT_READ>)
 72649 wsconsctl 1674571445.131914 RET   mprotect 0
 72649 wsconsctl 1674571445.131916 CALL  munmap(0x511223ff000,0x1000)
 72649 wsconsctl 1674571445.131925 RET   munmap 0
 72649 wsconsctl 1674571445.131926 CALL  exit(0)


usbdevs:
Controller /dev/usb0:
addr 01: 8086:0000 Intel, xHCI root hub
         super speed, self powered, config 1, rev 1.00
         driver: uhub0
addr 02: 5986:0706 SunplusIT Inc, Integrated Camera
         high speed, power 500 mA, config 1, rev 0.12
         driver: uvideo0
addr 03: 17ef:1010 LENOVO, Lenovo ThinkPad Dock
         high speed, self powered, config 1, rev 50.40
         driver: uhub1
addr 04: 17ef:100f Lenovo, Lenovo ThinkPad Dock
         high speed, self powered, config 1, rev 0.01, iSerial Rev1.2
         driver: uhub2
addr 05: 046d:c083 Logitech, G403 Prodigy Gaming Mouse
         full speed, power 300 mA, config 1, rev 8.03, iSerial 0C8B37563531
         driver: uhidev0
         driver: uhidev1
addr 06: feed:6060 qmkbuilder, keyboard
         full speed, power 500 mA, config 1, rev 0.01
         driver: uhidev2
         driver: uhidev3
         driver: uhidev4
         driver: uhidev5
addr 07: 17ef:1010 LENOVO, Lenovo ThinkPad Dock
         super speed, self powered, config 1, rev 50.41
         driver: uhub3

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