> From: Łukasz Lejtkowski <emig...@gmail.com>
> Date: Fri, 22 May 2020 20:51:57 +0200
> 
> 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.

That might be why the device stops responding.  The fact that cleaning
up from a failed USB transaction leads to this panic is a bug though.

And somebody just posted a very similar panic with ure(4).  Something
in the network stack is holding a mutex when it shouldn't.

> > On 22 May 2020, at 20:05, Łukasz Lejtkowski <emig...@gmail.com> 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 <emig...@gmail.com> 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
> >>   
> >> r...@syspatch-67-amd64.openbsd.org:/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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