Probably power supply 12 V is broken. Showing 16,87 V(Fluke 179) - too high. 
Should be 12,25-12,50 V. I replaced to the new one.

> On 22 May 2020, at 20:05, Łukasz Lejtkowski <[email protected]> wrote:
> 
> 30 min ago… :/
> 
> 
> OpenBSD/amd64 (master.bsdxxx.xx) (tty00)
> 
> login: panic: assertwaitok: non-zero mutex count: 1
> Stopped at      db_enter+0x10:  popq    %rbp
>    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
> db_enter() at db_enter+0x10
> panic(ffffffff81c882c4) at panic+0x128
> assertwaitok() at assertwaitok+0xc7
> mi_switch() at mi_switch+0x40
> sleep_finish(ffff8000225b8538,1) at sleep_finish+0x84
> sleep_finish_all(ffff8000225b8538,1) at sleep_finish_all+0x21
> tsleep(ffff8000000b1750,16,ffffffff81c95c7d,33) at tsleep+0xd6
> xhci_command_submit(ffff80000009c000,ffff8000225b8628,1dcd6500) at 
> xhci_command
> _submit+0x13f
> xhci_abort_xfer(fffffd812e90c780,6) at xhci_abort_xfer+0x13a
> usbd_abort_pipe(ffff80000047b000) at usbd_abort_pipe+0x3d
> cdce_stop(ffff80000012d000) at cdce_stop+0x46
> cdce_encap(ffff80000012d000,fffffd80c0731d00,0) at cdce_encap+0xf7
> cdce_start(ffff80000012d048) at cdce_start+0x84
> if_qstart_compat(ffff80000012d2c0) at if_qstart_compat+0x2e
> end trace frame: 0xffff8000225b8840, count: 0
> https://www.openbsd.org/ddb.html describes the minimum info required in bug
> reports.  Insufficient info makes it difficult to find and fix bugs.
> ddb{2}>
> 
>> On 22 May 2020, at 15:58, Łukasz Lejtkowski <[email protected]> wrote:
>> 
>> Hi everyone,
>> 
>> After a few hours OpenBSD 6.7 crashes to ddb> . Without a LTE modem OpenBSD 
>> 6.7 works stable. Huawei E3372s-153 HiLink on OpenBSD 6.6 works perfectly, 
>> stable. Something wrong with USB, xHCI or cdce on OpenBSD 6.7 imho.
>> 
>> ddb{2}> show panic
>> assertwaitok: non-zero mutex count: 1
>> 
>> ddb{2}> trace
>> db_enter() at db_enter+0x10
>> panic(ffffffff81c8ec25) at panic+0x128
>> assertwaitok() at assertwaitok+0xc7
>> mi_switch() at mi_switch+0x40
>> sleep_finish(ffff8000225b8f88,1) at sleep_finish+0x84
>> sleep_finish_all(ffff8000225b8f88,1) at sleep_finish_all+0x21
>> tsleep(ffff8000000a5750,16,ffffffff81c99248,33) at tsleep+0xd6
>> xhci_command_submit(ffff800000090000,ffff8000225b9078,1dcd6500) at 
>> xhci_command
>> _submit+0x13f
>> xhci_abort_xfer(fffffd811e918690,6) at xhci_abort_xfer+0x13a
>> usbd_abort_pipe(ffff80000045f000) at usbd_abort_pipe+0x3d
>> cdce_stop(ffff800000119000) at cdce_stop+0x46
>> cdce_encap(ffff800000119000,fffffd80df8b8400,0) at cdce_encap+0xf7
>> cdce_start(ffff800000119048) at cdce_start+0x84
>> if_qstart_compat(ffff8000001192c0) at if_qstart_compat+0x2e
>> ifq_serialize(ffff8000001192c0,ffff800000119390) at ifq_serialize+0x103
>> taskq_thread(ffff8000000290c0) at taskq_thread+0x4d
>> end trace frame: 0x0, count: -16
>> 
>> 
>> 
>> PC Engines apu2
>> coreboot build 20202604
>> BIOS version v4.11.0.6
>> 4080 MB ECC DRAM
>> SeaBIOS (version rel-1.12.1.3-0-g300e8b70)
>> 
>> 
>> root@master[~]usbdevs -v
>> Controller /dev/usb0:
>> addr 01: 1022:0000 AMD, xHCI root hub
>>       super speed, self powered, config 1, rev 1.00
>>       driver: uhub0
>> addr 02: 12d1:14dc HUAWEI_MOBILE, HUAWEI_MOBILE
>>       high speed, self powered, config 1, rev 1.02
>>       driver: cdce0
>>       driver: umass0
>> Controller /dev/usb1:
>> addr 01: 1022:0000 AMD, EHCI root hub
>>       high speed, self powered, config 1, rev 1.00
>>       driver: uhub1
>> addr 02: 0438:7900 Advanced Micro Devices, Hub
>>       high speed, self powered, config 1, rev 0.18
>>       driver: uhub2
>> 
>> 
>> root@master[~]usbdevs -vv
>> Controller /dev/usb0:
>> addr 01: 1022:0000 AMD, xHCI root hub
>>       super speed, self powered, config 1, rev 1.00
>>       driver: uhub0
>>       port 01: 0000.02a0 power Rx.detect
>>       port 02: 0000.02a0 power Rx.detect
>>       port 03: 0000.0503 connect enabled recovery
>>       port 04: 0000.02a0 power Rx.detect
>> addr 02: 12d1:14dc HUAWEI_MOBILE, HUAWEI_MOBILE
>>       high speed, self powered, config 1, rev 1.02
>>       driver: cdce0
>>       driver: umass0
>> Controller /dev/usb1:
>> addr 01: 1022:0000 AMD, EHCI root hub
>>       high speed, self powered, config 1, rev 1.00
>>       driver: uhub1
>>       port 01: 0000.0503 connect enabled power
>>       port 02: 0000.0500 power
>> addr 02: 0438:7900 Advanced Micro Devices, Hub
>>       high speed, self powered, config 1, rev 0.18
>>       driver: uhub2
>>       port 01: 0000.0100 power
>>       port 02: 0000.0100 power
>>       port 03: 0000.0100 power
>>       port 04: 0000.0100 power
>> 
>> 
>> root@master[~]ifconfig cdce0
>> cdce0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
>>      lladdr xx:xx:xx:xx:xx:xx
>>      index 6 priority 0 llprio 3
>>      inet 192.168.8.100 netmask 0xffffff00 broadcast 192.168.8.255
>> 
>> 
>> 
>> 
>> root@master[~]dmesg
>> OpenBSD 6.7 (GENERIC.MP) #1: Sat May 16 16:33:02 MDT 2020
>>   
>> [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP
>> real mem = 4259880960 (4062MB)
>> avail mem = 4118163456 (3927MB)
>> mpath0 at root
>> scsibus0 at mpath0: 256 targets
>> mainbus0 at root
>> bios0 at mainbus0: SMBIOS rev. 2.8 @ 0xcfe8d020 (13 entries)
>> bios0: vendor coreboot version "v4.11.0.6" date 04/26/2020
>> bios0: PC Engines apu2
>> acpi0 at bios0: ACPI 6.0
>> acpi0: sleep states S0 S1 S4 S5
>> acpi0: tables DSDT FACP SSDT MCFG TPM2 APIC HEST SSDT SSDT HPET
>> acpi0: wakeup devices PWRB(S4) PBR4(S4) PBR5(S4) PBR6(S4) PBR7(S4) PBR8(S4) 
>> UOH1(S3) UOH2(S3) UOH3(S3) UOH4(S3) UOH5(S3) UOH6(S3) XHC0(S4)
>> acpitimer0 at acpi0: 3579545 Hz, 32 bits
>> acpimcfg0 at acpi0
>> acpimcfg0: addr 0xf8000000, bus 0-64
>> acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
>> cpu0 at mainbus0: apid 0 (boot processor)
>> cpu0: AMD GX-412TC SOC, 998.27 MHz, 16-30-01
>> cpu0: 
>> FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,HTT,SSE3,PCLMUL,MWAIT,SSSE3,CX16,SSE4.1,SSE4.2,MOVBE,POPCNT,AES,XSAVE,AVX,F16C,NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG,LAHF,CMPLEG,SVM,EAPICSP,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,IBS,SKINIT,TOPEXT,DBKP,PERFTSC,PCTRL3,ITSC,BMI1,XSAVEOPT
>> cpu0: 32KB 64b/line 2-way I-cache, 32KB 64b/line 8-way D-cache, 2MB 64b/line 
>> 16-way L2 cache
>> cpu0: ITLB 32 4KB entries fully associative, 8 4MB entries fully associative
>> cpu0: DTLB 40 4KB entries fully associative, 8 4MB entries fully associative
>> cpu0: smt 0, core 0, package 0
>> mtrr: Pentium Pro MTRR support, 8 var ranges, 88 fixed ranges
>> cpu0: apic clock running at 99MHz
>> cpu0: mwait min=64, max=64, IBE
>> cpu1 at mainbus0: apid 1 (application processor)
>> cpu1: AMD GX-412TC SOC, 998.17 MHz, 16-30-01
>> cpu1: 
>> FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,HTT,SSE3,PCLMUL,MWAIT,SSSE3,CX16,SSE4.1,SSE4.2,MOVBE,POPCNT,AES,XSAVE,AVX,F16C,NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG,LAHF,CMPLEG,SVM,EAPICSP,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,IBS,SKINIT,TOPEXT,DBKP,PERFTSC,PCTRL3,ITSC,BMI1,XSAVEOPT
>> cpu1: 32KB 64b/line 2-way I-cache, 32KB 64b/line 8-way D-cache, 2MB 64b/line 
>> 16-way L2 cache
>> cpu1: ITLB 32 4KB entries fully associative, 8 4MB entries fully associative
>> cpu1: DTLB 40 4KB entries fully associative, 8 4MB entries fully associative
>> cpu1: smt 0, core 1, package 0
>> cpu2 at mainbus0: apid 2 (application processor)
>> cpu2: AMD GX-412TC SOC, 998.13 MHz, 16-30-01
>> cpu2: 
>> FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,HTT,SSE3,PCLMUL,MWAIT,SSSE3,CX16,SSE4.1,SSE4.2,MOVBE,POPCNT,AES,XSAVE,AVX,F16C,NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG,LAHF,CMPLEG,SVM,EAPICSP,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,IBS,SKINIT,TOPEXT,DBKP,PERFTSC,PCTRL3,ITSC,BMI1,XSAVEOPT
>> cpu2: 32KB 64b/line 2-way I-cache, 32KB 64b/line 8-way D-cache, 2MB 64b/line 
>> 16-way L2 cache
>> cpu2: ITLB 32 4KB entries fully associative, 8 4MB entries fully associative
>> cpu2: DTLB 40 4KB entries fully associative, 8 4MB entries fully associative
>> cpu2: smt 0, core 2, package 0
>> cpu3 at mainbus0: apid 3 (application processor)
>> cpu3: AMD GX-412TC SOC, 998.13 MHz, 16-30-01
>> cpu3: 
>> FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,HTT,SSE3,PCLMUL,MWAIT,SSSE3,CX16,SSE4.1,SSE4.2,MOVBE,POPCNT,AES,XSAVE,AVX,F16C,NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG,LAHF,CMPLEG,SVM,EAPICSP,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,IBS,SKINIT,TOPEXT,DBKP,PERFTSC,PCTRL3,ITSC,BMI1,XSAVEOPT
>> cpu3: 32KB 64b/line 2-way I-cache, 32KB 64b/line 8-way D-cache, 2MB 64b/line 
>> 16-way L2 cache
>> cpu3: ITLB 32 4KB entries fully associative, 8 4MB entries fully associative
>> cpu3: DTLB 40 4KB entries fully associative, 8 4MB entries fully associative
>> cpu3: smt 0, core 3, package 0
>> ioapic0 at mainbus0: apid 4 pa 0xfec00000, version 21, 24 pins
>> ioapic1 at mainbus0: apid 5 pa 0xfec20000, version 21, 32 pins
>> acpihpet0 at acpi0: 14318180 Hz
>> acpiprt0 at acpi0: bus 0 (PCI0)
>> acpiprt1 at acpi0: bus -1 (PBR4)
>> acpiprt2 at acpi0: bus 1 (PBR5)
>> acpiprt3 at acpi0: bus 2 (PBR6)
>> acpiprt4 at acpi0: bus 3 (PBR7)
>> acpiprt5 at acpi0: bus -1 (PBR8)
>> acpicpu0 at acpi0: C2(0@400 io@0x1771), C1(@1 halt!), PSS
>> acpicpu1 at acpi0: C2(0@400 io@0x1771), C1(@1 halt!), PSS
>> acpicpu2 at acpi0: C2(0@400 io@0x1771), C1(@1 halt!), PSS
>> acpicpu3 at acpi0: C2(0@400 io@0x1771), C1(@1 halt!), PSS
>> acpitz0 at acpi0: critical temperature is 115 degC
>> acpibtn0 at acpi0: PWRB
>> acpipci0 at acpi0 PCI0: 0x00000000 0x00000011 0x00000001
>> acpicmos0 at acpi0
>> amdgpio0 at acpi0: GPIO uid 0 addr 0xfed81500/0x300 irq 7, 184 pins
>> "PRP0001" at acpi0 not configured
>> "PRP0001" at acpi0 not configured
>> "PRP0001" at acpi0 not configured
>> "PRP0001" at acpi0 not configured
>> "PRP0001" at acpi0 not configured
>> "PRP0001" at acpi0 not configured
>> "BOOT0000" at acpi0 not configured
>> cpu0: 998 MHz: speeds: 1000 800 600 MHz
>> pci0 at mainbus0 bus 0
>> pchb0 at pci0 dev 0 function 0 "AMD 16h Root Complex" rev 0x00
>> vendor "AMD", unknown product 0x1567 (class system subclass IOMMU, rev 0x00) 
>> at pci0 dev 0 function 2 not configured
>> pchb1 at pci0 dev 2 function 0 "AMD 16h Host" rev 0x00
>> ppb0 at pci0 dev 2 function 2 "AMD 16h PCIE" rev 0x00: msi
>> pci1 at ppb0 bus 1
>> em0 at pci1 dev 0 function 0 "Intel I210" rev 0x03: msi, address 
>> xx:xx:xx:xx:xx:xx
>> ppb1 at pci0 dev 2 function 3 "AMD 16h PCIE" rev 0x00: msi
>> pci2 at ppb1 bus 2
>> em1 at pci2 dev 0 function 0 "Intel I210" rev 0x03: msi, address 
>> xx:xx:xx:xx:xx:xx
>> ppb2 at pci0 dev 2 function 4 "AMD 16h PCIE" rev 0x00: msi
>> pci3 at ppb2 bus 3
>> em2 at pci3 dev 0 function 0 "Intel I210" rev 0x03: msi, address 
>> xx:xx:xx:xx:xx:xx
>> ccp0 at pci0 dev 8 function 0 "AMD 16h Crypto" rev 0x00
>> xhci0 at pci0 dev 16 function 0 "AMD Bolton xHCI" rev 0x11: msi, xHCI 1.0
>> usb0 at xhci0: USB revision 3.0
>> uhub0 at usb0 configuration 1 interface 0 "AMD xHCI root hub" rev 3.00/1.00 
>> addr 1
>> ahci0 at pci0 dev 17 function 0 "AMD Hudson-2 SATA" rev 0x40: apic 4 int 19, 
>> AHCI 1.3
>> ahci0: port 0: 6.0Gb/s
>> scsibus1 at ahci0: 32 targets
>> sd0 at scsibus1 targ 0 lun 0: <ATA, INTEL SSDMCEAW12, DC33> 
>> naa.55cd2e414caba047
>> sd0: 114473MB, 512 bytes/sector, 234441648 sectors, thin
>> ehci0 at pci0 dev 19 function 0 "AMD Hudson-2 USB2" rev 0x39: apic 4 int 18
>> usb1 at ehci0: USB revision 2.0
>> uhub1 at usb1 configuration 1 interface 0 "AMD EHCI root hub" rev 2.00/1.00 
>> addr 1
>> piixpm0 at pci0 dev 20 function 0 "AMD Hudson-2 SMBus" rev 0x42: SMI
>> iic0 at piixpm0
>> iic1 at piixpm0
>> iic1: addr 0x4c 3e=00 48=00 4a=00 4e=00 fc=00 fe=00 words 00=ffff 01=ffff 
>> 02=ffff 03=ffff 04=ffff 05=ffff 06=ffff 07=ffff
>> pcib0 at pci0 dev 20 function 3 "AMD Hudson-2 LPC" rev 0x11
>> sdhc0 at pci0 dev 20 function 7 "AMD Bolton SD/MMC" rev 0x01: apic 4 int 16
>> sdhc0: SDHC 2.0, 50 MHz base clock
>> sdmmc0 at sdhc0: 4-bit, sd high-speed, mmc high-speed, dma
>> pchb2 at pci0 dev 24 function 0 "AMD 16h Link Cfg" rev 0x00
>> pchb3 at pci0 dev 24 function 1 "AMD 16h Address Map" rev 0x00
>> pchb4 at pci0 dev 24 function 2 "AMD 16h DRAM Cfg" rev 0x00
>> km0 at pci0 dev 24 function 3 "AMD 16h Misc Cfg" rev 0x00
>> pchb5 at pci0 dev 24 function 4 "AMD 16h CPU Power" rev 0x00
>> pchb6 at pci0 dev 24 function 5 "AMD 16h Misc Cfg" rev 0x00
>> isa0 at pcib0
>> isadma0 at isa0
>> com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
>> com0: console
>> com1 at isa0 port 0x2f8/8 irq 3: ns16550a, 16 byte fifo
>> com2 at isa0 port 0x3e8/8 irq 5: ns16550a, 16 byte fifo
>> pcppi0 at isa0 port 0x61
>> spkr0 at pcppi0
>> lpt0 at isa0 port 0x378/4 irq 7
>> intr_establish: pic ioapic0 pin 7: can't share type 3 with 2
>> wbsio0 at isa0 port 0x2e/2: NCT5104D rev 0x52
>> vmm0 at mainbus0: SVM/RVI
>> cdce0 at uhub0 port 4 configuration 1 interface 0 "HUAWEI_MOBILE 
>> HUAWEI_MOBILE" rev 2.10/1.02 addr 2
>> cdce0: address xx:xx:xx:xx:xx:xx
>> umass0 at uhub0 port 4 configuration 1 interface 2 "HUAWEI_MOBILE 
>> HUAWEI_MOBILE" rev 2.10/1.02 addr 2
>> umass0: using SCSI over Bulk-Only
>> scsibus2 at umass0: 2 targets, initiator 0
>> sd1 at scsibus2 targ 1 lun 0: <HUAWEI, TF CARD Storage, 2.31> removable
>> uhub2 at uhub1 port 1 configuration 1 interface 0 "Advanced Micro Devices 
>> Hub" rev 2.00/0.18 addr 2
>> vscsi0 at root
>> scsibus3 at vscsi0: 256 targets
>> softraid0 at root
>> scsibus4 at softraid0: 256 targets
>> root on sd0a (c5280affbb56a9ff.a) swap on sd0b dump on sd0b
> 

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