i have started seeing these panics with recent snapshots: obiit.org/f/openbsd/umount-panic.jpg
this happened after trying to umount a softraid crypto usb hard drive. same thing happened with a softraid crypto usb stick the other day. i am at work and i need to ... work, so i dont have time to play with this, hope the screenshot helps somewhat. -f OpenBSD 5.5-current (GENERIC.MP) #241: Sun Jul 13 20:45:12 MDT 2014 t...@i386.openbsd.org:/usr/src/sys/arch/i386/compile/GENERIC.MP cpu0: Intel(R) Core(TM) i5 CPU M 430 @ 2.27GHz ("GenuineIntel" 686-class) 2.27 GHz cpu0: FPU,V86,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,NXE,LONG,SSE3,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1,SSE4.2,POPCNT,LAHF,PERF,ITSC real mem = 3144249344 (2998MB) avail mem = 3080417280 (2937MB) mpath0 at root scsibus0 at mpath0: 256 targets mainbus0 at root bios0 at mainbus0: AT/286+ BIOS, date 01/09/10, SMBIOS rev. 2.6 @ 0xeb4f0 (54 entries) bios0: vendor Dell Inc. version "A10" date 10/25/2010 bios0: Dell Inc. Vostro 3500 acpi0 at bios0: rev 3 acpi0: sleep states S0 S3 S4 S5 acpi0: tables DSDT FACP APIC SSDT MCFG SLIC HPET OSFR acpi0: wakeup devices P0P1(S3) P0P2(S3) P0P3(S3) P0P4(S3) P0P5(S3) BR20(S3) PEX0(S3) PEX1(S3) PEX2(S4) PEX3(S3) PEX4(S3) PEX5(S3) PEX6(S3) PEX7(S3) GBE_(S4) EHCI(S0) [...] acpitimer0 at acpi0: 3579545 Hz, 24 bits acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat cpu0 at mainbus0: apid 0 (boot processor) mtrr: Pentium Pro MTRR support, 8 var ranges, 88 fixed ranges cpu0: apic clock running at 133MHz cpu0: mwait min=64, max=64, C-substates=0.2.1.1.0, IBE cpu1 at mainbus0: apid 4 (application processor) cpu1: Intel(R) Core(TM) i5 CPU M 430 @ 2.27GHz ("GenuineIntel" 686-class) 2.27 GHz cpu1: FPU,V86,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,NXE,LONG,SSE3,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1,SSE4.2,POPCNT,LAHF,PERF,ITSC cpu2 at mainbus0: apid 1 (application processor) cpu2: Intel(R) Core(TM) i5 CPU M 430 @ 2.27GHz ("GenuineIntel" 686-class) 2.27 GHz cpu2: FPU,V86,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,NXE,LONG,SSE3,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1,SSE4.2,POPCNT,LAHF,PERF,ITSC cpu3 at mainbus0: apid 5 (application processor) cpu3: Intel(R) Core(TM) i5 CPU M 430 @ 2.27GHz ("GenuineIntel" 686-class) 2.27 GHz cpu3: FPU,V86,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,NXE,LONG,SSE3,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1,SSE4.2,POPCNT,LAHF,PERF,ITSC ioapic0 at mainbus0: apid 0 pa 0xfec00000, version 20, 24 pins acpimcfg0 at acpi0 addr 0xe0000000, bus 0-255 acpihpet0 at acpi0: 14318179 Hz acpiprt0 at acpi0: bus 0 (PCI0) acpiprt1 at acpi0: bus 32 (BR20) acpiprt2 at acpi0: bus 17 (PEX0) acpiprt3 at acpi0: bus 18 (PEX1) acpiprt4 at acpi0: bus 19 (PEX2) acpiprt5 at acpi0: bus -1 (PEX3) acpiprt6 at acpi0: bus -1 (PEX4) acpiprt7 at acpi0: bus -1 (PEX5) acpiprt8 at acpi0: bus -1 (PEX6) acpiprt9 at acpi0: bus -1 (PEX7) acpicpu0 at acpi0: C3, C1, PSS acpicpu1 at acpi0: C3, C1, PSS acpicpu2 at acpi0: C3, C1, PSS acpicpu3 at acpi0: C3, C1, PSS acpitz0 at acpi0: critical temperature is 100 degC acpibtn0 at acpi0: SLPB acpibtn1 at acpi0: PWRB acpibat0 at acpi0: BAT0 model "DELL TXWRR03" serial 3378 type LION oem "SMP" acpiac0 at acpi0: AC unit online acpibtn2 at acpi0: LID0 acpibtn3 at acpi0: SBTN acpivideo0 at acpi0: GFX0 acpivout0 at acpivideo0: DD02 bios0: ROM list: 0xc0000/0xf000 0xcf000/0x1000 cpu0: Enhanced SpeedStep 2262 MHz: speeds: 2262, 2261, 2128, 1995, 1862, 1729, 1596, 1463, 1330, 1197 MHz pci0 at mainbus0 bus 0: configuration mode 1 (bios) pchb0 at pci0 dev 0 function 0 "Intel Core Host" rev 0x12 vga1 at pci0 dev 2 function 0 "Intel HD Graphics" rev 0x12 intagp0 at vga1 agp0 at intagp0: aperture at 0xc0000000, size 0x10000000 inteldrm0 at vga1 drm0 at inteldrm0 inteldrm0: 1366x768 wsdisplay0 at vga1 mux 1: console (std, vt100 emulation) wsdisplay0: screen 1-5 added (std, vt100 emulation) "Intel 3400 MEI" rev 0x06 at pci0 dev 22 function 0 not configured ehci0 at pci0 dev 26 function 0 "Intel 3400 USB" rev 0x06: apic 0 int 16 usb0 at ehci0: USB revision 2.0 uhub0 at usb0 "Intel EHCI root hub" rev 2.00/1.00 addr 1 azalia0 at pci0 dev 27 function 0 "Intel 3400 HD Audio" rev 0x06: msi azalia0: codecs: IDT 92HD81B1X, Intel/0x2804, using IDT 92HD81B1X audio0 at azalia0 ppb0 at pci0 dev 28 function 0 "Intel 3400 PCIE" rev 0x06: apic 0 int 17 pci1 at ppb0 bus 17 ppb1 at pci0 dev 28 function 1 "Intel 3400 PCIE" rev 0x06: apic 0 int 16 pci2 at ppb1 bus 18 "Broadcom BCM43224" rev 0x01 at pci2 dev 0 function 0 not configured ppb2 at pci0 dev 28 function 2 "Intel 3400 PCIE" rev 0x06: apic 0 int 18 pci3 at ppb2 bus 19 re0 at pci3 dev 0 function 0 "Realtek 8168" rev 0x03: RTL8168D/8111D (0x2800), msi, address a4:ba:db:b7:76:bf rgephy0 at re0 phy 7: RTL8169S/8110S PHY, rev. 2 ehci1 at pci0 dev 29 function 0 "Intel 3400 USB" rev 0x06: apic 0 int 23 usb1 at ehci1: USB revision 2.0 uhub1 at usb1 "Intel EHCI root hub" rev 2.00/1.00 addr 1 ppb3 at pci0 dev 30 function 0 "Intel 82801BAM Hub-to-PCI" rev 0xa6 pci4 at ppb3 bus 32 pcib0 at pci0 dev 31 function 0 "Intel HM57 LPC" rev 0x06 ahci0 at pci0 dev 31 function 2 "Intel 3400 AHCI" rev 0x06: msi, AHCI 1.3 scsibus1 at ahci0: 32 targets sd0 at scsibus1 targ 0 lun 0: <ATA, ST9320423AS, D004> SCSI3 0/direct fixed naa.5000c500242b0655 sd0: 305245MB, 512 bytes/sector, 625142448 sectors cd0 at scsibus1 targ 1 lun 0: <TSSTcorp, DVD+-RW TS-L633C, DW40> ATAPI 5/cdrom removable ichiic0 at pci0 dev 31 function 3 "Intel 3400 SMBus" rev 0x06: apic 0 int 18 iic0 at ichiic0 lisa0 at iic0 addr 0x1d: lis331dl spdmem0 at iic0 addr 0x50: 2GB DDR3 SDRAM PC3-10600 SO-DIMM spdmem1 at iic0 addr 0x52: 2GB DDR3 SDRAM PC3-10600 SO-DIMM itherm0 at pci0 dev 31 function 6 "Intel 3400 Thermal" rev 0x06 isa0 at pcib0 isadma0 at isa0 pckbc0 at isa0 port 0x60/5 pckbd0 at pckbc0 (kbd slot) pckbc0: using irq 1 for kbd slot wskbd0 at pckbd0: console keyboard, using wsdisplay0 pms0 at pckbc0 (aux slot) pckbc0: using irq 12 for aux slot wsmouse0 at pms0 mux 0 pms0: Synaptics touchpad, firmware 7.2 pcppi0 at isa0 port 0x61 spkr0 at pcppi0 npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16 uhub2 at uhub0 port 1 "Intel Rate Matching Hub" rev 2.00/0.00 addr 2 uhub3 at uhub1 port 1 "Intel Rate Matching Hub" rev 2.00/0.00 addr 2 run0 at uhub3 port 1 "Ralink 802.11 n WLAN" rev 2.00/1.01 addr 3 run0: MAC/BBP RT5592 (rev 0x0222), RF RT5592 (MIMO 2T2R), address e8:94:f6:12:82:2f uhidev0 at uhub3 port 4 configuration 1 interface 0 "Logitech USB Receiver" rev 2.00/12.01 addr 4 uhidev0: iclass 3/1 ukbd0 at uhidev0: 8 variable keys, 6 key codes wskbd1 at ukbd0 mux 1 wskbd1: connecting to wsdisplay0 uhidev1 at uhub3 port 4 configuration 1 interface 1 "Logitech USB Receiver" rev 2.00/12.01 addr 4 uhidev1: iclass 3/1, 8 report ids ums0 at uhidev1 reportid 2: 16 buttons, Z dir wsmouse1 at ums0 mux 0 uhid0 at uhidev1 reportid 3: input=4, output=0, feature=0 uhid1 at uhidev1 reportid 4: input=1, output=0, feature=0 uhid2 at uhidev1 reportid 8: input=1, output=0, feature=0 uhidev2 at uhub3 port 4 configuration 1 interface 2 "Logitech USB Receiver" rev 2.00/12.01 addr 4 uhidev2: iclass 3/0, 33 report ids uhid3 at uhidev2 reportid 16: input=6, output=6, feature=0 uhid4 at uhidev2 reportid 17: input=19, output=19, feature=0 uhid5 at uhidev2 reportid 32: input=14, output=14, feature=0 uhid6 at uhidev2 reportid 33: input=31, output=31, feature=0 vscsi0 at root scsibus2 at vscsi0: 256 targets softraid0 at root scsibus3 at softraid0: 256 targets root on sd0a (2a3b3eaa8af2840f.a) swap on sd0b dump on sd0b WARNING: / was not properly unmounted -- and don't start a sentence with a conjunction.