>Synopsis: <Panic upon removal of usb camera whilst active (motion)>
>Category: <Kernel Panic USB>
>Environment:
System : OpenBSD 6.6
Details : OpenBSD 6.6 (GENERIC.MP) #3: Thu Nov 21 03:20:01 MST 2019
[email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP
Architecture: OpenBSD.amd64
Machine : amd64
>Description:
<Kernel panics when device is unexpectedly removed whilst active
athn0: sending action to 20:39:56:59:7a:b7 on channel 48 mode auto
audio0 detached
uaudio0 detached
uvm_fault(0xffffffff81ff7e50, 0x22663, 0, 2) -> e
kernel: page fault trap, code=0
Stopped at memcpy+0x15: repe movsq (%rsi),%es:(%rdi)
ddb{0}> ddb{0}> ddb{0}> No such command
ddb{0}> memcpy(ffff800000165000,fffffd804da1f728,8d8,ffff800000165000,b5bd47118
ed5c95a,ffff800000165000) at memcpy+0x15
uvideo_vs_cb(fffffd80778f2870,ffff8000001667d8,0) at uvideo_vs_cb+0x8b
usb_transfer_complete(fffffd80778f2870) at usb_transfer_complete+0x20f
xhci_event_dequeue(ffff8000000af000) at xhci_event_dequeue+0x103
xhci_softintr(ffff8000000af000) at xhci_softintr+0x2d
softintr_dispatch(1) at softintr_dispatch+0xf2
Xsoftnet(0,ffffffff819c05e0,0,18041969,80,a) at Xsoftnet+0x1f
Xspllower(0,0,c7ef80837208d4cc,ffff80000159c000,ffffffff81983ee1,708000) at Xsp
llower+0x19
free(ffff80000159c000,2,708000) at free+0x160
uvideo_detach(ffff800000165000,1) at uvideo_detach+0x71
config_detach(ffff800000165000,1) at config_detach+0x152
usbd_detach(ffff800000137500,ffff800000086d00) at usbd_detach+0x5a
uhub_port_connect(ffff800000086d00,4,2a0,286) at uhub_port_connect+0x68
uhub_explore(ffff8000000a9500) at uhub_explore+0x23d
usb_explore(ffff8000000a9400) at usb_explore+0x12b
usb_task_thread(ffff80001f8efb30) at usb_task_thread+0x10b
end trace frame: 0x0, count: -16
ddb{0}> memcpy(ffff800000165000,fffffd804da1f728,8d8,ffff800000165000,b5bd47118
ed5c95a,ffff800000165000) at memcpy+0x15
end trace frame: 0xffff80001f8ecee0, count: 0
ddb{0}> memcpy(ffff800000165000,fffffd804da1f728,8d8,ffff800000165000,b5bd47118
ed5c95a,ffff800000165000) at memcpy+0x15
uvideo_vs_cb(fffffd80778f2870,ffff8000001667d8,0) at uvideo_vs_cb+0x8b
usb_transfer_complete(fffffd80778f2870) at usb_transfer_complete+0x20f
xhci_event_dequeue(ffff8000000af000) at xhci_event_dequeue+0x103
xhci_softintr(ffff8000000af000) at xhci_softintr+0x2d
softintr_dispatch(1) at softintr_dispatch+0xf2
Xsoftnet(0,ffffffff819c05e0,0,18041969,80,a) at Xsoftnet+0x1f
Xspllower(0,0,c7ef80837208d4cc,ffff80000159c000,ffffffff81983ee1,708000) at Xsp
llower+0x19
free(ffff80000159c000,2,708000) at free+0x160
uvideo_detach(ffff800000165000,1) at uvideo_detach+0x71
config_detach(ffff800000165000,1) at config_detach+0x152
usbd_detach(ffff800000137500,ffff800000086d00) at usbd_detach+0x5a
uhub_port_connect(ffff800000086d00,4,2a0,286) at uhub_port_connect+0x68
uhub_explore(ffff8000000a9500) at uhub_explore+0x23d
usb_explore(ffff8000000a9400) at usb_explore+0x12b
usb_task_thread(ffff80001f8efb30) at usb_task_thread+0x10b
end trace frame: 0x0, count: -16
ddb{0}> PID TID PPID UID S FLAGS WAIT COMMAND
73421 378519 1 808 3 0x80 nanosleep motion
73421 169533 1 808 3 0x4000080 poll motion
73421 249921 1 808 3 0x4000080 poll motion
73421 182264 1 808 7 0x4000000 motion
73421 501327 1 808 3 0x4000080 fsleep motion
73421 68577 1 808 3 0x4000080 fsleep motion
73421 495193 1 808 3 0x4000080 fsleep motion
73421 86799 1 808 3 0x4000080 fsleep motion
73421 175532 1 808 3 0x4000080 fsleep motion
73421 276330 1 808 3 0x4000080 fsleep motion
73421 436757 1 808 3 0x4000080 fsleep motion
73421 355839 1 808 3 0x4000080 fsleep motion
24501 137057 8062 1002 3 0x100082 nanosleep sleep
96133 231862 59487 1002 3 0x100082 nanosleep sleep
36064 221973 1 0 3 0x80 select sshd
95865 94851 12428 1000 3 0x100083 ttyin ksh
12428 484765 73684 1000 3 0x90 select sshd
73684 202144 1 0 3 0x92 poll sshd
37530 479133 40234 0 3 0x100083 ttyin sh
40234 510843 73997 1000 3 0x10008b pause ksh
73997 455759 66670 1000 3 0x90 select sshd
66670 81334 1 0 3 0x92 poll sshd
75210 454196 1 0 3 0x100083 ttyin getty
59487 512598 99679 1002 3 0x10008a pause sh
8062 282798 8620 1002 3 0x10008a pause sh
99679 376310 12576 1002 3 0x10008a pause sh
8620 220053 93055 1002 3 0x10008a pause sh
12576 93622 47373 0 3 0x100090 piperd cron
93055 216296 47373 0 3 0x100090 piperd cron
47373 366615 1 0 3 0x100098 poll cron
40789 306932 1 0 3 0x80 kqread apmd
91559 370400 16201 95 3 0x100092 kqread smtpd
71216 134567 16201 103 3 0x100092 kqread smtpd
93071 169629 16201 95 3 0x100092 kqread smtpd
14615 367753 16201 95 3 0x100092 kqread smtpd
98030 229154 16201 95 3 0x100092 kqread smtpd
94571 139416 16201 95 3 0x100092 kqread smtpd
16201 443059 1 0 3 0x100080 kqread smtpd
62227 414948 78170 77 3 0x90 poll dhcpd
78170 341908 1 77 3 0x100090 poll dhcpd
71223 246545 1 0 3 0x100080 poll ntpd
13812 293265 99828 83 3 0x100092 poll ntpd
99828 46449 1 83 3 0x100092 poll ntpd
46277 322688 1 53 3 0x90 kqread unbound
85582 254512 59780 74 3 0x100092 bpf pflogd
59780 306968 1 0 3 0x80 netio pflogd
44575 258554 23786 73 7 0x100090 syslogd
23786 326694 1 0 3 0x100082 netio syslogd
56775 349700 0 0 7 0x14200 zerothread
87680 39332 0 0 3 0x14200 aiodoned aiodoned
8894 15024 0 0 3 0x14200 syncer update
71263 111539 0 0 3 0x14200 cleaner cleaner
47531 60886 0 0 3 0x14200 reaper reaper
47403 197724 0 0 3 0x14200 pgdaemon pagedaemon
44337 471639 0 0 3 0x14200 bored crynlk
85966 501695 0 0 3 0x14200 bored crypto
77861 162086 0 0 3 0x14200 bored sensors
14219 283295 0 0 3 0x14200 mmctsk sdmmc0
*51017 363042 0 0 7 0x14200 usbtask
26747 6790 0 0 3 0x14200 usbatsk usbatsk
46439 31720 0 0 3 0x40014200 acpi0 acpi0
40058 469869 0 0 3 0x40014200 idle3
25754 444898 0 0 3 0x40014200 idle2
3826 250550 0 0 3 0x40014200 idle1
94601 384419 0 0 3 0x14200 bored softnet
46422 71379 0 0 3 0x14200 bored systqmp
49033 105515 0 0 3 0x14200 bored systq
81964 36693 0 0 3 0x40014200 bored softclock
73899 33818 0 0 3 0x40014200 idle0
19865 480572 0 0 3 0x14200 bored smr
1 522809 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
>
>How-To-Repeat:
<Start motion with device configured, unplug usb device in an attempt to
trigger "on_camera_lost" motion.conf action>
>Fix:
<Ethernet Camera, perhaps the panic information is of some use>
dmesg:
OpenBSD 6.6 (GENERIC.MP) #3: Thu Nov 21 03:20:01 MST 2019
[email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP
real mem = 1996484608 (1903MB)
avail mem = 1923334144 (1834MB)
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root
bios0 at mainbus0: SMBIOS rev. 2.8 @ 0x7ee9e020 (12 entries)
bios0: vendor coreboot version "v4.11.0.2" date 12/30/2019
bios0: PC Engines apu4
acpi0 at bios0: ACPI 4.0
acpi0: sleep states S0 S1 S4 S5
acpi0: tables DSDT FACP SSDT MCFG 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,S
SSE3,CX16,SSE4.1,SSE4.2,MOVBE,POPCNT,AES,XSAVE,AVX,F16C,NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG,LAHF,CMPLEG,SVM,EAPICSP,AMCR8,ABM,S
SE4A,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, 998.14 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,S
SSE3,CX16,SSE4.1,SSE4.2,MOVBE,POPCNT,AES,XSAVE,AVX,F16C,NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG,LAHF,CMPLEG,SVM,EAPICSP,AMCR8,ABM,S
SE4A,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, 998.14 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,S
SSE3,CX16,SSE4.1,SSE4.2,MOVBE,POPCNT,AES,XSAVE,AVX,F16C,NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG,LAHF,CMPLEG,SVM,EAPICSP,AMCR8,ABM,S
SE4A,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, 998.14 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,S
SSE3,CX16,SSE4.1,SSE4.2,MOVBE,POPCNT,AES,XSAVE,AVX,F16C,NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG,LAHF,CMPLEG,SVM,EAPICSP,AMCR8,ABM,S
SE4A,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, remapped
acpihpet0 at acpi0: 14318180 Hz
acpiprt0 at acpi0: bus 0 (PCI0)
acpiprt1 at acpi0: bus 1 (PBR4)
acpiprt2 at acpi0: bus 2 (PBR5)
acpiprt3 at acpi0: bus 3 (PBR6)
acpiprt4 at acpi0: bus 4 (PBR7)
acpiprt5 at acpi0: bus 5 (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
acpibtn0 at acpi0: PWRB
acpipci0 at acpi0 PCI0: 0x00000000 0x00000011 0x00000001
acpicmos0 at acpi0
"AMD0030" 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
"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 AMD64 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 AMD64 16h Host" rev 0x00
ppb0 at pci0 dev 2 function 1 "AMD AMD64 16h PCIE" rev 0x00: msi
pci1 at ppb0 bus 1
em0 at pci1 dev 0 function 0 "Intel I211" rev 0x03: msi, address
00:0d:b9:51:51:64
ppb1 at pci0 dev 2 function 2 "AMD AMD64 16h PCIE" rev 0x00: msi
pci2 at ppb1 bus 2
em1 at pci2 dev 0 function 0 "Intel I211" rev 0x03: msi, address
00:0d:b9:51:51:65
ppb2 at pci0 dev 2 function 3 "AMD AMD64 16h PCIE" rev 0x00: msi
pci3 at ppb2 bus 3
em2 at pci3 dev 0 function 0 "Intel I211" rev 0x03: msi, address
00:0d:b9:51:51:66
ppb3 at pci0 dev 2 function 4 "AMD AMD64 16h PCIE" rev 0x00: msi
pci4 at ppb3 bus 4
em3 at pci4 dev 0 function 0 "Intel I211" rev 0x03: msi, address
00:0d:b9:51:51:67
ppb4 at pci0 dev 2 function 5 "AMD AMD64 16h PCIE" rev 0x00: msi
pci5 at ppb4 bus 5
athn0 at pci5 dev 0 function 0 "Atheros AR9281" rev 0x01: apic 5 int 16
athn0: AR9280 rev 2 (2T2R), ROM rev 22, address 04:f0:21:54:95:43
ccp0 at pci0 dev 8 function 0 "AMD AMD64 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, SATA SSD, SBFM> naa.0000000000000000
sd0: 57241MB, 512 bytes/sector, 117231408 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: SMBus disabled
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 AMD64 16h Link Cfg" rev 0x00
pchb3 at pci0 dev 24 function 1 "AMD AMD64 16h Address Map" rev 0x00
pchb4 at pci0 dev 24 function 2 "AMD AMD64 16h DRAM Cfg" rev 0x00
km0 at pci0 dev 24 function 3 "AMD AMD64 16h Misc Cfg" rev 0x00
pchb5 at pci0 dev 24 function 4 "AMD AMD64 16h CPU Power" rev 0x00
pchb6 at pci0 dev 24 function 5 "AMD AMD64 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
wbsio0 at isa0 port 0x2e/2: NCT5104D rev 0x53
vmm0 at mainbus0: SVM/RVI
uhub2 at uhub1 port 1 configuration 1 interface 0 "Advanced Micro Devices
product 0x7900" rev 2.00/0.18 addr 2
vscsi0 at root
scsibus2 at vscsi0: 256 targets
softraid0 at root
scsibus3 at softraid0: 256 targets
root on sd0a (7b0ec1bc07a37f90.a) swap on sd0b dump on sd0b
WARNING: / was not properly unmounted
usbdevs:
Controller /dev/usb0:
addr 01: 1022:0000 AMD, xHCI root hub
super speed, self powered, config 1, rev 1.00
driver: uhub0
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, product 0x7900
high speed, self powered, config 1, rev 0.18
driver: uhub2