kern/48626: ahci_atapi_probe_device panic with kmemguard

[Thomas Klausner <wiz%NetBSD.org@localhost>]

>Number:         48626
>Category:       kern
>Synopsis:       ahci_atapi_probe_device panic with kmemguard
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Feb 28 17:15:00 +0000 2014
>Originator:     Thomas Klausner
>Release:        NetBSD 6.99.33
>Organization:
Curiosity is the very basis of education and if you tell me that
curiosity killed the cat, I say only that the cat died nobly.
- Arnold Edinborough
>Environment:
        
        
Architecture: x86_64
Machine: amd64
>Description:
When booting my kernel with
+options       DEBUG           # expensive debugging checks/support
+options KMEM_GUARD_DEPTH=30000

it panics:

cd0 at atapibus0 drive 0: ...
uvm_fault(0xf..80fb9380, 0xffff8000054ad9000, 1) -> e
fatal page fault in supervisor mode
trap type 6 code 0 rip f...801517c1 cs8 rflags 10206 cr2 ffff800054ad9004 
ilevel 0 rsp f...e815150cb00
curlwp 0xf...e81510b8040 pid 0.114  lowest kstack 0xf...e81515092c0
kernel: page fault trap, code=0
Stopped in pid 0.114 (system) at netbsd:ahci_atapi_probe_device+0x91:
m
ovzbl 4(%rcx,%rbx,1),%eax
db{0}> bt
ahci_atapi_probe_device() at netbsd:ahci_atapi_pro
atabibusattach() at netbsd:atapibusattach+0xd0
ahci_atapibus_attach() at netbsd:ahci_atapibus_attach+0xbb
atabusconfig_thread() at netbsd:atabusconfig_thread+0xd6

# addr2line -e /netbsd.6.99.33.debug.gdb -a ffffffff801517c1
0xffffffff801517c1
/usr/src/sys/arch/amd64/compile/KVOTHE.kmem/../../../../dev/ic/ahcisata_core.c:1784

Line 1784ff:
         if (drvp->drive_type != ATA_DRIVET_ATAPI) {
                 AHCIDEBUG_PRINT(("ahci_atapi_probe_device: drive %d "
                     "not present\n", target), DEBUG_PROBE);
                 return;
         }

Here's the dmesg when booting without DEBUG and kmemguard:

Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
    2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014
    The NetBSD Foundation, Inc.  All rights reserved.
Copyright (c) 1982, 1986, 1989, 1991, 1993
    The Regents of the University of California.  All rights reserved.

NetBSD 6.99.33 (KVOTHE) #34: Fri Feb 28 10:41:42 CET 2014
        
wiz%yt.nih.at@localhost:/archive/foreign/src/sys/arch/amd64/compile/obj/KVOTHE
total memory = 32735 MB
avail memory = 31766 MB
timecounter: Timecounters tick every 10.000 msec
timecounter: Timecounter "i8254" frequency 1193182 Hz quality 100
Supermicro X9SRE/X9SRE-3F/X9SRi/X9SRi-3F (0123456789)
mainbus0 (root)
ACPI: RSDP 0xf0490 000024 (v02 SUPERM)
ACPI: XSDT 0x7e244088 00008C (v01 ?????? ???????? 00000001 AMI  00010013)
ACPI: FACP 0x7e24da68 0000F4 (v04 ?????? ???????? 00000001 AMI  00010013)
ACPI: DSDT 0x7e2441a8 0098BC (v02 ?????? ???????? 00000000 INTL 20091112)
ACPI: FACS 0x7e2bff80 000040
ACPI: APIC 0x7e24db60 000100 (v03                 00000001 AMI  00010013)
ACPI: FPDT 0x7e24dc60 000044 (v01                 00000001 AMI  00010013)
ACPI: HPET 0x7e24dca8 000038 (v01 SUPERM SMCI--MB 00000001 AMI. 00000005)
ACPI: PRAD 0x7e24dce0 0000BE (v02 PRADID  PRADTID 00000001 MSFT 04000000)
ACPI: SPMI 0x7e24dda0 000040 (v05 A M I   OEMSPMI 00000000 AMI. 00000000)
ACPI: SSDT 0x7e24dde0 06B344 (v02  INTEL    CpuPm 00004000 INTL 20091112)
ACPI: EINJ 0x7e2b9128 000130 (v01    AMI AMI EINJ 00000000      00000000)
ACPI: ERST 0x7e2b9258 000230 (v01  AMIER AMI ERST 00000000      00000000)
ACPI: HEST 0x7e2b9488 0000A8 (v01    AMI AMI HEST 00000000      00000000)
ACPI: BERT 0x7e2b9530 000030 (v01    AMI AMI BERT 00000000      00000000)
ACPI: DMAR 0x7e2b9560 0000BC (v01 A M I   OEMDMAR 00000001 INTL 00000001)
ACPI: MCFG 0x7e2b9620 00003C (v01 SUPERM SMCI--MB 00000001 MSFT 00000097)
ACPI: All ACPI Tables successfully acquired
cpu0 at mainbus0 apid 0: Intel(R) Xeon(R) CPU E5-1650 0 @ 3.20GHz, id 0x206d7
cpu1 at mainbus0 apid 2: Intel(R) Xeon(R) CPU E5-1650 0 @ 3.20GHz, id 0x206d7
cpu2 at mainbus0 apid 4: Intel(R) Xeon(R) CPU E5-1650 0 @ 3.20GHz, id 0x206d7
cpu3 at mainbus0 apid 6: Intel(R) Xeon(R) CPU E5-1650 0 @ 3.20GHz, id 0x206d7
cpu4 at mainbus0 apid 8: Intel(R) Xeon(R) CPU E5-1650 0 @ 3.20GHz, id 0x206d7
cpu5 at mainbus0 apid 10: Intel(R) Xeon(R) CPU E5-1650 0 @ 3.20GHz, id 0x206d7
cpu6 at mainbus0 apid 1: Intel(R) Xeon(R) CPU E5-1650 0 @ 3.20GHz, id 0x206d7
cpu7 at mainbus0 apid 3: Intel(R) Xeon(R) CPU E5-1650 0 @ 3.20GHz, id 0x206d7
cpu8 at mainbus0 apid 5: Intel(R) Xeon(R) CPU E5-1650 0 @ 3.20GHz, id 0x206d7
cpu9 at mainbus0 apid 7: Intel(R) Xeon(R) CPU E5-1650 0 @ 3.20GHz, id 0x206d7
cpu10 at mainbus0 apid 9: Intel(R) Xeon(R) CPU E5-1650 0 @ 3.20GHz, id 0x206d7
cpu11 at mainbus0 apid 11: Intel(R) Xeon(R) CPU E5-1650 0 @ 3.20GHz, id 0x206d7
ioapic0 at mainbus0 apid 0: pa 0xfec00000, version 0x20, 24 pins
ioapic1 at mainbus0 apid 2: pa 0xfec01000, version 0x20, 24 pins
acpi0 at mainbus0: Intel ACPICA 20131218
acpi0: X/RSDT: OemId <M^?M^?M^?M^?M^?M^?,M^?M^?M^?M^?M^?M^?M^?M^?,00000001>, 
AslId <AMI ,00010013>
acpi0: SCI interrupting at int 9
timecounter: Timecounter "ACPI-Fast" frequency 3579545 Hz quality 1000
hpet0 at acpi0: high precision event timer (mem 0xfed00000-0xfed00400)
timecounter: Timecounter "hpet0" frequency 14318180 Hz quality 2000
IOH (PNP0C01) at acpi0 not configured
VTDR (PNP0C02) at acpi0 not configured
attimer1 at acpi0 (TMR, PNP0100): io 0x40-0x43 irq 0
pcppi1 at acpi0 (SPKR, PNP0800): io 0x61
midi0 at pcppi1: PC speaker
sysbeep0 at pcppi1
RMSC (PNP0C02) at acpi0 not configured
SIO1 (PNP0C02) at acpi0 not configured
pckbc1 at acpi0 (PS2M, PNP0F03) (aux port): io 0x60,0x64 irq 12
UAR1 (PNP0501) at acpi0 not configured
UAR2 (PNP0501) at acpi0 not configured
SIO2 (PNP0C02) at acpi0 not configured
UAR3 (PNP0501) at acpi0 not configured
SPMI (IPI0001) at acpi0 not configured
PCH (PNP0C01) at acpi0 not configured
CWDT (INT3F0D) at acpi0 not configured
acpibut0 at acpi0 (PWRB, PNP0C0C-170): ACPI Power Button
RMEM (PNP0C01) at acpi0 not configured
acpiwmi0 at acpi0 (SRIO, PNP0C14-0): ACPI WMI Interface
acpiwmibus at acpiwmi0 not configured
SCK0 (ACPI0004) at acpi0 not configured
OMSC (PNP0C02) at acpi0 not configured
ACPI: Enabled 2 GPEs in block 00 to 3F
ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S2_] 
(20131218/hwxface-645)
ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S3_] 
(20131218/hwxface-645)
attimer1: attached to pcppi1
ipmi0 at mainbus0
pci0 at mainbus0 bus 0: configuration mode 1
pci0: i/o space, memory space enabled, rd/line, rd/mult, wr/inv ok
pchb0 at pci0 dev 0 function 0: vendor 0x8086 product 0x3c00 (rev. 0x07)
ppb0 at pci0 dev 1 function 0: vendor 0x8086 product 0x3c02 (rev. 0x07)
ppb0: PCI Express 2.0 <Root Port of PCI-E Root Complex> x4 @ 2.5Gb/s
pci1 at ppb0 bus 1
pci1: i/o space, memory space enabled, rd/line, wr/inv ok
ppb1 at pci0 dev 2 function 0: vendor 0x8086 product 0x3c04 (rev. 0x07)
ppb1: PCI Express 2.0 <Root Port of PCI-E Root Complex> x16 @ 8.0Gb/s
ppb1: link is x1 @ 2.5Gb/s
pci2 at ppb1 bus 2
pci2: i/o space, memory space enabled, rd/line, wr/inv ok
hdaudio0 at pci2 dev 0 function 0: HD Audio Controller
hdaudio0: interrupting at ioapic1 pin 8
hdafg0 at hdaudio0: vendor 13f6 product 8828
hdafg0: DAC00 8ch: Speaker [Jack]
hdafg0: ADC01 2ch: Line In [Jack]
hdafg0: DAC03 2ch: HP Out [Jack]
hdafg0: DIG04 2ch: SPDIF Out [Jack]
hdafg0: DIG-In05 2ch: SPDIF In [Jack]
hdafg0: 8ch/2ch 44100Hz 48000Hz 88200Hz 96000Hz 192000Hz PCM16 PCM24 AC3
audio0 at hdafg0: full duplex, playback, capture, independent
ppb2 at pci0 dev 3 function 0: vendor 0x8086 product 0x3c08 (rev. 0x07)
ppb2: PCI Express 2.0 <Root Port of PCI-E Root Complex> x8 @ 8.0Gb/s
ppb2: link is x4 @ 5.0Gb/s
pci3 at ppb2 bus 3
pci3: i/o space, memory space enabled, rd/line, wr/inv ok
wm0 at pci3 dev 0 function 0: I350 Gigabit Network Connection (rev. 0x01)
wm0: interrupting at ioapic1 pin 16
wm0: PCI-Express bus
wm0: 256 word (8 address bits) SPI EEPROM
wm0: Ethernet address 00:25:90:a7:ac:30
ukphy0 at wm0 phy 1: OUI 0x00aa00, model 0x003b, rev. 1
ukphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 
1000baseT-FDX, auto
wm1 at pci3 dev 0 function 1: I350 Gigabit Network Connection (rev. 0x01)
wm1: interrupting at ioapic1 pin 20
wm1: PCI-Express bus
wm1: 256 word (8 address bits) SPI EEPROM
wm1: Ethernet address 00:25:90:a7:ac:31
ukphy1 at wm1 phy 1: OUI 0x00aa00, model 0x003b, rev. 1
ukphy1: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 
1000baseT-FDX, auto
ppb3 at pci0 dev 3 function 2: vendor 0x8086 product 0x3c0a (rev. 0x07)
ppb3: PCI Express 2.0 <Root Port of PCI-E Root Complex> x8 @ 8.0Gb/s
ppb3: link is x8 @ 2.5Gb/s
pci4 at ppb3 bus 5
pci4: i/o space, memory space enabled, rd/line, wr/inv ok
vga0 at pci4 dev 0 function 0: vendor 0x1002 product 0x9498 (rev. 0x00)
wsdisplay0 at vga0 kbdmux 1: console (80x25, vt100 emulation)
wsmux1: connecting to wsdisplay0
radeondrm0 at vga0: ATI Radeon HD 4650
radeondrm0: Initialized radeon 1.29.0 20080613
hdaudio1 at pci4 dev 0 function 1: HD Audio Controller
hdaudio1: interrupting at ioapic1 pin 21
hdafg1 at hdaudio1: ATI R6xx HDMI
hdafg1: HDMI00 2ch: Digital Out [Jack]
hdafg1: 2ch/0ch 32000Hz 44100Hz 48000Hz PCM16 AC3
vendor 0x8086 product 0x3c20 (miscellaneous system, revision 0x07) at pci0 dev 
4 function 0 not configured
vendor 0x8086 product 0x3c21 (miscellaneous system, revision 0x07) at pci0 dev 
4 function 1 not configured
vendor 0x8086 product 0x3c22 (miscellaneous system, revision 0x07) at pci0 dev 
4 function 2 not configured
vendor 0x8086 product 0x3c23 (miscellaneous system, revision 0x07) at pci0 dev 
4 function 3 not configured
vendor 0x8086 product 0x3c24 (miscellaneous system, revision 0x07) at pci0 dev 
4 function 4 not configured
vendor 0x8086 product 0x3c25 (miscellaneous system, revision 0x07) at pci0 dev 
4 function 5 not configured
vendor 0x8086 product 0x3c26 (miscellaneous system, revision 0x07) at pci0 dev 
4 function 6 not configured
vendor 0x8086 product 0x3c27 (miscellaneous system, revision 0x07) at pci0 dev 
4 function 7 not configured
vendor 0x8086 product 0x3c28 (miscellaneous system, revision 0x07) at pci0 dev 
5 function 0 not configured
vendor 0x8086 product 0x3c2a (miscellaneous system, revision 0x07) at pci0 dev 
5 function 2 not configured
vendor 0x8086 product 0x3c2c (interrupt system, interface 0x20, revision 0x07) 
at pci0 dev 5 function 4 not configured
ppb4 at pci0 dev 17 function 0: vendor 0x8086 product 0x1d3e (rev. 0x06)
ppb4: PCI Express 2.0 <Root Port of PCI-E Root Complex> x1 @ 2.5Gb/s
pci5 at ppb4 bus 6
pci5: i/o space, memory space enabled, rd/line, wr/inv ok
vendor 0x8086 product 0x1d6b (SAS mass storage, revision 0x06) at pci5 dev 0 
function 0 not configured
vendor 0x8086 product 0x1d3a (miscellaneous communications, revision 0x05) at 
pci0 dev 22 function 0 not configured
vendor 0x8086 product 0x1d3b (miscellaneous communications, revision 0x05) at 
pci0 dev 22 function 1 not configured
ehci0 at pci0 dev 26 function 0: vendor 0x8086 product 0x1d2d (rev. 0x06)
ehci0: interrupting at ioapic0 pin 16
ehci0: BIOS has given up ownership
ehci0: EHCI version 1.0
usb0 at ehci0: USB revision 2.0
ehci1 at pci0 dev 29 function 0: vendor 0x8086 product 0x1d26 (rev. 0x06)
ehci1: interrupting at ioapic0 pin 23
ehci1: BIOS has given up ownership
ehci1: EHCI version 1.0
usb1 at ehci1: USB revision 2.0
ppb5 at pci0 dev 30 function 0: vendor 0x8086 product 0x244e (rev. 0xa6)
pci6 at ppb5 bus 7
pci6: i/o space, memory space enabled
vendor 0x102b product 0x0532 (VGA display, revision 0x0a) at pci6 dev 4 
function 0 not configured
ichlpcib0 at pci0 dev 31 function 0: vendor 0x8086 product 0x1d41 (rev. 0x06)
timecounter: Timecounter "ichlpcib0" frequency 3579545 Hz quality 1000
ichlpcib0: 24-bit timer
ichlpcib0: TCO timer reboot disabled by hardware; hope SMBIOS properly handles 
it.
ichlpcib0: TCO (watchdog) timer configured.
ahcisata0 at pci0 dev 31 function 2: vendor 0x8086 product 0x1d02 (rev. 0x06)
ahcisata0: interrupting at ioapic0 pin 18
ahcisata0: 64-bit DMA
ahcisata0: AHCI revision 1.30, 6 ports, 32 slots, CAP 
0xe730ff45<EMS,PSC,SSC,PMD,ISS=0x3=Gen3,SCLO,SAL,SALP,SSNTF,SNCQ,S64A>
atabus0 at ahcisata0 channel 0
atabus1 at ahcisata0 channel 1
atabus2 at ahcisata0 channel 2
atabus3 at ahcisata0 channel 3
atabus4 at ahcisata0 channel 4
atabus5 at ahcisata0 channel 5
ichsmb0 at pci0 dev 31 function 3: vendor 0x8086 product 0x1d22 (rev. 0x06)
ichsmb0: interrupting at ioapic0 pin 18
iic0 at ichsmb0: I2C bus
vendor 0x8086 product 0x1d24 (miscellaneous DASP, revision 0x06) at pci0 dev 31 
function 6 not configured
isa0 at ichlpcib0
com0 at isa0 port 0x3f8-0x3ff irq 4: ns16550a, working fifo
com1 at isa0 port 0x2f8-0x2ff irq 3: ns16550a, working fifo
pckbc0 at isa0 port 0x60-0x64
pci7 at mainbus0 bus 255
pci7: i/o space, memory space enabled, rd/line, rd/mult, wr/inv ok
vendor 0x8086 product 0x3c80 (miscellaneous system, revision 0x07) at pci7 dev 
8 function 0 not configured
vendor 0x8086 product 0x3c83 (miscellaneous system, revision 0x07) at pci7 dev 
8 function 3 not configured
vendor 0x8086 product 0x3c84 (miscellaneous system, revision 0x07) at pci7 dev 
8 function 4 not configured
vendor 0x8086 product 0x3c90 (miscellaneous system, revision 0x07) at pci7 dev 
9 function 0 not configured
vendor 0x8086 product 0x3c93 (miscellaneous system, revision 0x07) at pci7 dev 
9 function 3 not configured
vendor 0x8086 product 0x3c94 (miscellaneous system, revision 0x07) at pci7 dev 
9 function 4 not configured
vendor 0x8086 product 0x3cc0 (miscellaneous system, revision 0x07) at pci7 dev 
10 function 0 not configured
vendor 0x8086 product 0x3cc1 (miscellaneous system, revision 0x07) at pci7 dev 
10 function 1 not configured
vendor 0x8086 product 0x3cc2 (miscellaneous system, revision 0x07) at pci7 dev 
10 function 2 not configured
vendor 0x8086 product 0x3cd0 (miscellaneous system, revision 0x07) at pci7 dev 
10 function 3 not configured
vendor 0x8086 product 0x3ce0 (miscellaneous system, revision 0x07) at pci7 dev 
11 function 0 not configured
vendor 0x8086 product 0x3ce3 (miscellaneous system, revision 0x07) at pci7 dev 
11 function 3 not configured
vendor 0x8086 product 0x3ce8 (miscellaneous system, revision 0x07) at pci7 dev 
12 function 0 not configured
vendor 0x8086 product 0x3ce8 (miscellaneous system, revision 0x07) at pci7 dev 
12 function 1 not configured
vendor 0x8086 product 0x3ce8 (miscellaneous system, revision 0x07) at pci7 dev 
12 function 2 not configured
vendor 0x8086 product 0x3cf4 (miscellaneous system, revision 0x07) at pci7 dev 
12 function 6 not configured
vendor 0x8086 product 0x3cf6 (miscellaneous system, revision 0x07) at pci7 dev 
12 function 7 not configured
vendor 0x8086 product 0x3ce8 (miscellaneous system, revision 0x07) at pci7 dev 
13 function 0 not configured
vendor 0x8086 product 0x3ce8 (miscellaneous system, revision 0x07) at pci7 dev 
13 function 1 not configured
vendor 0x8086 product 0x3ce8 (miscellaneous system, revision 0x07) at pci7 dev 
13 function 2 not configured
vendor 0x8086 product 0x3cf5 (miscellaneous system, revision 0x07) at pci7 dev 
13 function 6 not configured
vendor 0x8086 product 0x3ca0 (miscellaneous system, revision 0x07) at pci7 dev 
14 function 0 not configured
vendor 0x8086 product 0x3c46 (Time and Frequency DASP, revision 0x07) at pci7 
dev 14 function 1 not configured
vendor 0x8086 product 0x3ca8 (miscellaneous system, revision 0x07) at pci7 dev 
15 function 0 not configured
vendor 0x8086 product 0x3c71 (miscellaneous system, revision 0x07) at pci7 dev 
15 function 1 not configured
vendor 0x8086 product 0x3caa (miscellaneous system, revision 0x07) at pci7 dev 
15 function 2 not configured
vendor 0x8086 product 0x3cab (miscellaneous system, revision 0x07) at pci7 dev 
15 function 3 not configured
vendor 0x8086 product 0x3cac (miscellaneous system, revision 0x07) at pci7 dev 
15 function 4 not configured
vendor 0x8086 product 0x3cad (miscellaneous system, revision 0x07) at pci7 dev 
15 function 5 not configured
vendor 0x8086 product 0x3cae (miscellaneous system, revision 0x07) at pci7 dev 
15 function 6 not configured
vendor 0x8086 product 0x3cb0 (miscellaneous system, revision 0x07) at pci7 dev 
16 function 0 not configured
vendor 0x8086 product 0x3cb1 (miscellaneous system, revision 0x07) at pci7 dev 
16 function 1 not configured
vendor 0x8086 product 0x3cb2 (miscellaneous system, revision 0x07) at pci7 dev 
16 function 2 not configured
vendor 0x8086 product 0x3cb3 (miscellaneous system, revision 0x07) at pci7 dev 
16 function 3 not configured
vendor 0x8086 product 0x3cb4 (miscellaneous system, revision 0x07) at pci7 dev 
16 function 4 not configured
vendor 0x8086 product 0x3cb5 (miscellaneous system, revision 0x07) at pci7 dev 
16 function 5 not configured
vendor 0x8086 product 0x3cb6 (miscellaneous system, revision 0x07) at pci7 dev 
16 function 6 not configured
vendor 0x8086 product 0x3cb7 (miscellaneous system, revision 0x07) at pci7 dev 
16 function 7 not configured
vendor 0x8086 product 0x3cb8 (miscellaneous system, revision 0x07) at pci7 dev 
17 function 0 not configured
vendor 0x8086 product 0x3ce4 (miscellaneous system, revision 0x07) at pci7 dev 
19 function 0 not configured
vendor 0x8086 product 0x3c43 (Time and Frequency DASP, revision 0x07) at pci7 
dev 19 function 1 not configured
vendor 0x8086 product 0x3ce6 (Time and Frequency DASP, revision 0x07) at pci7 
dev 19 function 4 not configured
vendor 0x8086 product 0x3c44 (Time and Frequency DASP, revision 0x07) at pci7 
dev 19 function 5 not configured
vendor 0x8086 product 0x3c45 (miscellaneous system, revision 0x07) at pci7 dev 
19 function 6 not configured
acpicpu0 at cpu0: ACPI CPU
acpicpu0: C1: FFH, lat   3 us, pow  1000 mW
acpicpu0: C2: FFH, lat  93 us, pow   350 mW
acpicpu0: C3: FFH, lat  93 us, pow   200 mW, bus master check
acpicpu0: P0: FFH, lat  10 us, pow 130000 mW, 3201 MHz, turbo boost
acpicpu0: P1: FFH, lat  10 us, pow 130000 mW, 3200 MHz
acpicpu0: P2: FFH, lat  10 us, pow 118159 mW, 3000 MHz
acpicpu0: P3: FFH, lat  10 us, pow 113032 mW, 2900 MHz
acpicpu0: P4: FFH, lat  10 us, pow 108001 mW, 2800 MHz
acpicpu0: P5: FFH, lat  10 us, pow 98240 mW, 2600 MHz
acpicpu0: P6: FFH, lat  10 us, pow 93489 mW, 2500 MHz
acpicpu0: P7: FFH, lat  10 us, pow 83090 mW, 2300 MHz
acpicpu0: P8: FFH, lat  10 us, pow 78626 mW, 2200 MHz
acpicpu0: P9: FFH, lat  10 us, pow 74267 mW, 2100 MHz
acpicpu0: P10: FFH, lat  10 us, pow 65782 mW, 1900 MHz
acpicpu0: P11: FFH, lat  10 us, pow 61671 mW, 1800 MHz
acpicpu0: P12: FFH, lat  10 us, pow 53708 mW, 1600 MHz
acpicpu0: P13: FFH, lat  10 us, pow 48804 mW, 1500 MHz
acpicpu0: P14: FFH, lat  10 us, pow 41374 mW, 1300 MHz
acpicpu0: P15: FFH, lat  10 us, pow 37783 mW, 1200 MHz
acpicpu0: T0: FFH, lat   1 us, pow 37783 mW, 100 %
acpicpu0: T1: FFH, lat   1 us, pow 35264 mW,  94 %
acpicpu0: T2: FFH, lat   1 us, pow 32745 mW,  88 %
acpicpu0: T3: FFH, lat   1 us, pow 30226 mW,  82 %
acpicpu0: T4: FFH, lat   1 us, pow 27707 mW,  75 %
acpicpu0: T5: FFH, lat   1 us, pow 25188 mW,  69 %
acpicpu0: T6: FFH, lat   1 us, pow 22669 mW,  63 %
acpicpu0: T7: FFH, lat   1 us, pow 20150 mW,  57 %
acpicpu0: T8: FFH, lat   1 us, pow 17632 mW,  50 %
acpicpu0: T9: FFH, lat   1 us, pow 15113 mW,  44 %
acpicpu0: T10: FFH, lat   1 us, pow 12594 mW,  38 %
acpicpu0: T11: FFH, lat   1 us, pow 10075 mW,  32 %
acpicpu0: T12: FFH, lat   1 us, pow  7556 mW,  25 %
acpicpu0: T13: FFH, lat   1 us, pow  5037 mW,  19 %
acpicpu0: T14: FFH, lat   1 us, pow  2518 mW,  13 %
coretemp0 at cpu0: thermal sensor, 1 C resolution
acpicpu1 at cpu1: ACPI CPU
coretemp1 at cpu1: thermal sensor, 1 C resolution
acpicpu2 at cpu2: ACPI CPU
coretemp2 at cpu2: thermal sensor, 1 C resolution
acpicpu3 at cpu3: ACPI CPU
coretemp3 at cpu3: thermal sensor, 1 C resolution
acpicpu4 at cpu4: ACPI CPU
coretemp4 at cpu4: thermal sensor, 1 C resolution
acpicpu5 at cpu5: ACPI CPU
coretemp5 at cpu5: thermal sensor, 1 C resolution
acpicpu6 at cpu6: ACPI CPU
acpicpu7 at cpu7: ACPI CPU
acpicpu8 at cpu8: ACPI CPU
acpicpu9 at cpu9: ACPI CPU
acpicpu10 at cpu10: ACPI CPU
acpicpu11 at cpu11: ACPI CPU
timecounter: Timecounter "clockinterrupt" frequency 100 Hz quality 0
timecounter: Timecounter "TSC" frequency 3200149120 Hz quality 3000
uhub0 at usb0: vendor 0x8086 EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
uhub1 at usb1: vendor 0x8086 EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
uhub1: 2 ports with 2 removable, self powered
ahcisata0 port 0: device present, speed: 6.0Gb/s
ahcisata0 port 1: device present, speed: 6.0Gb/s
ahcisata0 port 2: device present, speed: 1.5Gb/s
ahcisata0 port 3: device present, speed: 3.0Gb/s
ahcisata0 port 4: device present, speed: 3.0Gb/s
ahcisata0 port 5: device present, speed: 3.0Gb/s
wd0 at atabus0 drive 0
wd0: <Samsung SSD 840 Series>
wd0: drive supports 16-sector PIO transfers, LBA48 addressing
wd0: 232 GB, 484521 cyl, 16 head, 63 sec, 512 bytes/sect x 488397168 sectors
wd0: GPT GUID: c092836c-972d-11e2-a3a6-001f1f595752
dk0 at wd0: NetBSD_Boot_SSD
dk0: 488397071 blocks at 64, type: ffs
wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
wd0(ahcisata0:0:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133) 
(using DMA)
wd1 at atabus1 drive 0
wd1: <ST33000651AS>
wd1: drive supports 16-sector PIO transfers, LBA48 addressing
wd1: 2794 GB, 5814021 cyl, 16 head, 63 sec, 512 bytes/sect x 5860533168 sectors
wd1: GPT GUID: d7abb020-734e-11e0-a8df-001f1f595752
dk1 at wd1: smallstuff
dk1: 1000000000 blocks at 34, type: ffs
dk2 at wd1: d7abb036-734e-11e0-a8df-001f1f595752
dk2: 50000000 blocks at 1000000034, type: swap
dk3 at wd1: bigstuff
dk3: 4810533101 blocks at 1050000034, type: ffs
wd1: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
wd1(ahcisata0:1:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133) 
(using DMA)
atapibus0 at atabus2: 1 targets
cd0 at atapibus0 drive 0: <PLEXTOR DVDR   PX-891SA, 3524418 2A822550080, 1.04> 
cdrom removable
cd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 5 (Ultra/100)
cd0(ahcisata0:2:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 5 (Ultra/100) 
(using DMA)
wd2 at atabus3 drive 0
wd2: <Hitachi HUS724040ALE640>
wd2: drive supports 16-sector PIO transfers, LBA48 addressing
wd2: 3726 GB, 7752021 cyl, 16 head, 63 sec, 512 bytes/sect x 7814037168 sectors
wd2: GPT GUID: 85dff5ef-b570-11e1-9613-001f1f595752
dk4 at wd2: 4TB_20120612_swap
dk4: 20971520 blocks at 2048, type: swap
dk5 at wd2: 4TB_20120612_ffs
dk5: 7793061888 blocks at 20973568, type: ffs
wd2: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
wd2(ahcisata0:3:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133) 
(using DMA)
wd3 at atabus4 drive 0
wd3: <ST33000651AS>
wd3: drive supports 16-sector PIO transfers, LBA48 addressing
wd3: 2794 GB, 5814021 cyl, 16 head, 63 sec, 512 bytes/sect x 5860533168 sectors
wd3: GPT GUID: 3136ed81-6f93-11e1-9350-001f1f595752
dk6 at wd3: 3136ed90-6f93-11e1-9350-001f1f595752
dk6: 50000000 blocks at 34, type: swap
dk7 at wd3: psp
dk7: 5810533101 blocks at 50000034, type: ffs
wd3: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
wd3(ahcisata0:4:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133) 
(using DMA)
wd4 at atabus5 drive 0
wd4: <ST33000651AS>
wd4: drive supports 16-sector PIO transfers, LBA48 addressing
wd4: 2794 GB, 5814021 cyl, 16 head, 63 sec, 512 bytes/sect x 5860533168 sectors
wd4: GPT GUID: a52fe140-65d7-11e0-8737-001f1f595752
dk8 at wd4: a52fe14e-65d7-11e0-8737-001f1f595752
dk8: 50000000 blocks at 34, type: swap
dk9 at wd4: moreroms
dk9: 5810533101 blocks at 50000034, type: ffs
wd4: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
wd4(ahcisata0:5:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133) 
(using DMA)
uhub2 at uhub1 port 1: vendor 0x8087 product 0x0024, class 9/0, rev 2.00/0.00, 
addr 2
uhub2: single transaction translator
uhub3 at uhub0 port 1: vendor 0x8087 product 0x0024, class 9/0, rev 2.00/0.00, 
addr 2
uhub3: single transaction translator
uhub3: 6 ports with 6 removable, self powered
uhub2: 8 ports with 8 removable, self powered
uhub4 at uhub2 port 2: vendor 0x03f0 product 0x2f24, class 9/0, rev 2.00/0.00, 
addr 3
uhub4: multiple transaction translators
uhub4: 6 ports with 6 removable, self powered
uhidev0 at uhub3 port 6 configuration 1 interface 0
uhidev0: Winbond Electronics Corp Hermon USB hidmouse Device, rev 1.10/0.01, 
addr 3, iclass 3/1
ums0 at uhidev0: 3 buttons and Z dir
wsmouse0 at ums0 mux 0
uhidev1 at uhub3 port 6 configuration 1 interface 1
uhidev1: Winbond Electronics Corp Hermon USB hidmouse Device, rev 1.10/0.01, 
addr 3, iclass 3/1
ukbd0 at uhidev1: 8 modifier keys, 6 key codes
wskbd0 at ukbd0: console keyboard, using wsdisplay0
uhidev2 at uhub4 port 1 configuration 1 interface 0
uhidev2: Logitech USB Laser Mouse, rev 2.00/56.01, addr 4, iclass 3/1
ums1 at uhidev2: 8 buttons, W and Z dirs
wsmouse1 at ums1 mux 0
uhidev3 at uhub4 port 2 configuration 1 interface 0
uhidev3: vendor 0x046a product 0x0023, rev 2.00/2.20, addr 5, iclass 3/1
ukbd1 at uhidev3: 8 modifier keys, 6 key codes
wskbd1 at ukbd1 mux 1
wskbd1: connecting to wsdisplay0
uhidev4 at uhub4 port 2 configuration 1 interface 1
uhidev4: vendor 0x046a product 0x0023, rev 2.00/2.20, addr 5, iclass 3/0
uhidev4: 2 report ids
uhid0 at uhidev4 reportid 1: input=2, output=0, feature=0
uhid1 at uhidev4 reportid 2: input=1, output=0, feature=0
ipmi0: version 2.0 interface KCS iobase 0xca2/2 spacing 1
umass0 at uhub4 port 4 configuration 1 interface 0
umass0: vendor 0x05e3 USB Storage, rev 2.00/97.27, addr 6
umass0: using SCSI over Bulk-Only
scsibus0 at umass0: 2 targets, 5 luns per target
sd0 at scsibus0 target 0 lun 0: <Generic, STORAGE DEVICE-A, 9727> disk removable
sd0: drive offline
sd1 at scsibus0 target 0 lun 1: <Generic, STORAGE DEVICE-A, 9727> disk removable
sd1: drive offline
sd2 at scsibus0 target 0 lun 2: <Generic, STORAGE DEVICE-A, 9727> disk removable
sd2: drive offline
sd3 at scsibus0 target 0 lun 3: <Generic, STORAGE DEVICE-A, 9727> disk removable
sd3: drive offline
sd4 at scsibus0 target 0 lun 4: <Generic, STORAGE DEVICE-A, 9727> disk removable
sd4: drive offline
Kernelized RAIDframe activated
pad0: outputs: 44100Hz, 16-bit, stereo
audio1 at pad0: half duplex, playback, capture
boot device: wd0
root on dk0 dumps on dk2
root file system type: ffs
wsdisplay0: screen 1 added (80x25, vt100 emulation)
wsdisplay0: screen 2 added (80x25, vt100 emulation)
wsdisplay0: screen 3 added (80x25, vt100 emulation)
wsdisplay0: screen 4 added (80x25, vt100 emulation)
>How-To-Repeat:
Enable DEBUG and kmemguard, boot.

>Fix:
Please.

>Unformatted: