kern/50324: uvm_fault(0xffffffff810b16c0, 0xffff80008e8ce000, 1) -> e

[mail%benjaminlorenz.de@localhost]

>Number:         50324
>Category:       kern
>Synopsis:       uvm_fault(0xffffffff810b16c0, 0xffff80008e8ce000, 1) -> e
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Oct 10 14:25:00 +0000 2015
>Originator:     mail%benjaminlorenz.de@localhost
>Release:        NetBSD 7.0
>Organization:
	
>Environment:
	
	
System: NetBSD db.pocket.io 7.0 NetBSD 7.0 (GENERIC.201509250726Z) amd64
Architecture: x86_64
Machine: amd64
>Description:
Now tried another hoster, vultr.com. Same result: After some heavy disk IO
(concurrent compilation) the kernel crashes.

NetBSD 7.0 (GENERIC.201509250726Z)
total memory = 8191 MB
avail memory = 7936 MB
kern.module.path=/stand/amd64/7.0/modules
timecounter: Timecounters tick every 10.000 msec
timecounter: Timecounter "i8254" frequency 1193182 Hz quality 100
QEMU Standard PC (i440FX + PIIX, 1996) (pc-i440fx-2.4)
mainbus0 (root)
ACPI: RSDP 0xf6280 000014 (v00 BOCHS )
ACPI: RSDT 0xbffe1797 000034 (v01 BOCHS  BXPCRSDT 00000001 BXPC 00000001)
ACPI: FACP 0xbffe0bda 000074 (v01 BOCHS  BXPCFACP 00000001 BXPC 00000001)
ACPI: DSDT 0xbffe0040 000B9A (v01 BOCHS  BXPCDSDT 00000001 BXPC 00000001)
ACPI: FACS 0xbffe0000 000040
ACPI: SSDT 0xbffe0c4e 000A81 (v01 BOCHS  BXPCSSDT 00000001 BXPC 00000001)
ACPI: APIC 0xbffe16cf 000090 (v01 BOCHS  BXPCAPIC 00000001 BXPC 00000001)
ACPI: HPET 0xbffe175f 000038 (v01 BOCHS  BXPCHPET 00000001 BXPC 00000001)
ACPI: All ACPI Tables successfully acquired
ioapic0 at mainbus0 apid 0: pa 0xfec00000, version 0x11, 24 pins
cpu0 at mainbus0 apid 0: Virtual CPU e7da7129d3ee, id 0x306c1
cpu1 at mainbus0 apid 1: Virtual CPU e7da7129d3ee, id 0x306c1
cpu2 at mainbus0 apid 2: Virtual CPU e7da7129d3ee, id 0x306c1
cpu3 at mainbus0 apid 3: Virtual CPU e7da7129d3ee, id 0x306c1
acpi0 at mainbus0: Intel ACPICA 20131218
acpi0: X/RSDT: OemId <BOCHS ,BXPCRSDT,00000001>, AslId <BXPC,00000001>
LNKS: ACPI: Found matching pin for 0.1.INTA at func 3: 9
LNKD: ACPI: Found matching pin for 0.1.INTD at func 2: 11
LNKC: ACPI: Found matching pin for 0.3.INTA at func 0: 11
LNKD: ACPI: Found matching pin for 0.4.INTA at func 0: 11
LNKA: ACPI: Found matching pin for 0.5.INTA at func 0: 10
LNKB: ACPI: Found matching pin for 0.6.INTA at func 0: 10
LNKC: ACPI: Found matching pin for 0.7.INTA at func 0: 11
acpi0: SCI interrupting at int 9
timecounter: Timecounter "ACPI-Safe" frequency 3579545 Hz quality 900
hpet0 at acpi0: high precision event timer (mem 0xfed00000-0xfed00400)
timecounter: Timecounter "hpet0" frequency 100000000 Hz quality 2000
pckbc1 at acpi0 (KBD, PNP0303) (kbd port): io 0x60,0x64 irq 1
pckbc2 at acpi0 (MOU, PNP0F13) (aux port): irq 12
FDC0 (PNP0700) at acpi0 not configured
ACPI: Enabled 16 GPEs in block 00 to 0F
ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S0_] (20131218/hwxface-646)
ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S1_] (20131218/hwxface-646)
ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S2_] (20131218/hwxface-646)
pckbd0 at pckbc1 (kbd slot)
pckbc1: using irq 1 for kbd slot
wskbd0 at pckbd0: console keyboard
pms0 at pckbc1 (aux slot)
pckbc1: using irq 12 for aux slot
wsmouse0 at pms0 mux 0
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 0x1237 (rev. 0x02)
pcib0 at pci0 dev 1 function 0: vendor 0x8086 product 0x7000 (rev. 0x00)
piixide0 at pci0 dev 1 function 1: Intel 82371SB IDE Interface (PIIX3) (rev. 0x00)
piixide0: bus-master DMA support present
piixide0: primary channel wired to compatibility mode
piixide0: primary channel interrupting at ioapic0 pin 14
atabus0 at piixide0 channel 0
piixide0: secondary channel wired to compatibility mode
piixide0: secondary channel interrupting at ioapic0 pin 15
atabus1 at piixide0 channel 1
uhci0 at pci0 dev 1 function 2: vendor 0x8086 product 0x7020 (rev. 0x01)
uhci0: interrupting at ioapic0 pin 11
usb0 at uhci0: USB revision 1.0
piixpm0 at pci0 dev 1 function 3: vendor 0x8086 product 0x7113 (rev. 0x03)
timecounter: Timecounter "piixpm0" frequency 3579545 Hz quality 1000
piixpm0: 24-bit timer
piixpm0: interrupting at ioapic0 pin 9
iic0 at piixpm0: I2C bus
vga0 at pci0 dev 2 function 0: vendor 0x1013 product 0x00b8 (rev. 0x00)
wsdisplay0 at vga0 kbdmux 1: console (80x25, vt100 emulation), using wskbd0
wsmux1: connecting to wsdisplay0
drm at vga0 not configured
virtio0 at pci0 dev 3 function 0
virtio0: Virtio Network Device (rev. 0x00)
vioif0 at virtio0: Ethernet address 56:00:00:14:e2:79
virtio0: allocated 20480 byte for virtqueue 0 for rx, size 256
virtio0: using 8192 byte (512 entries) indirect descriptors
virtio0: allocated 81920 byte for virtqueue 1 for tx, size 256
virtio0: using 69632 byte (4352 entries) indirect descriptors
virtio0: allocated 8192 byte for virtqueue 2 for control, size 64
virtio0: interrupting at ioapic0 pin 11
virtio1 at pci0 dev 4 function 0
virtio1: Virtio Block Device (rev. 0x00)
ld0 at virtio1
virtio1: allocated 45056 byte for virtqueue 0 for I/O request, size 128
virtio1: using 36864 byte (2304 entries) indirect descriptors
ld0: 150 GB, 16383 cyl, 16 head, 63 sec, 512 bytes/sect x 314572800 sectors
virtio1: interrupting at ioapic0 pin 11
virtio2 at pci0 dev 5 function 0
virtio2: Virtio Memory Balloon Device (rev. 0x00)
viomb0 at virtio2
virtio2: allocated 8192 byte for virtqueue 0 for inflate, size 128
virtio2: allocated 8192 byte for virtqueue 1 for deflate, size 128
virtio2: interrupting at ioapic0 pin 10
virtio3 at pci0 dev 6 function 0
virtio3: Virtio Entropy Device (rev. 0x00)
viornd0 at virtio3virtio3: allocated 8192 byte for virtqueue 0 for Entropy request, size 8
viornd_get: asked for 32 bytes of entropy
virtio3: interrupting at ioapic0 pin 10
virtio4 at pci0 dev 7 function 0
virtio4: Virtio Network Device (rev. 0x00)
vioif1 at virtio4: Ethernet address 5a:00:00:14:e2:79
virtio4: allocated 20480 byte for virtqueue 0 for rx, size 256
virtio4: using 8192 byte (512 entries) indirect descriptors
virtio4: allocated 81920 byte for virtqueue 1 for tx, size 256
virtio4: using 69632 byte (4352 entries) indirect descriptors
virtio4: allocated 8192 byte for virtqueue 2 for control, size 64
virtio4: interrupting at ioapic0 pin 11
isa0 at pcib0
attimer0 at isa0 port 0x40-0x43
pcppi0 at isa0 port 0x61
midi0 at pcppi0: PC speaker
sysbeep0 at pcppi0
fdc0 at isa0 port 0x3f0-0x3f7 irq 6 drq 2
attimer0: attached to pcppi0
acpicpu0 at cpu0: ACPI CPU
acpicpu0: C1: HLT, lat   0 us, pow     0 mW
viornd_get: asked for 32 bytes of entropy
vmt0 at cpu0: Unknown
vmware: open failed, eax=564d5868, ecx=0000001e, edx=00005658
vmt0: failed to open backdoor RPC channel (TCLO protocol)
acpicpu1 at cpu1: ACPI CPU
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
acpicpu2 at cpu2: ACPI CPU
viornd_get: asked for 32 bytes of entropy
acpicpu3 at cpu3: ACPI CPU
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
timecounter: Timecounter "clockinterrupt" frequency 100 Hz quality 0
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
IPsec: Initialized Security Association Processing.
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
uhub0 at usb0: vendor 0x8086 UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
uhidev0 at uhub0 port 1 configuration 1 interface 0
viornd_get: asked for 32 bytes of entropy
uhidev0: QEMU QEMU USB Tablet, rev 2.00/0.00, addr 2, iclass 3/0
ums0 at uhidev0: 3 buttons and Z dir
wsmouse1 at ums0 mux 0
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
atapibus0 at atabus1: 2 targets
cd0 at atapibus0 drive 0: <QEMU DVD-ROM, QM00003, 2.4.0> cdrom removable
cd0: 32-bit data port
cd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 5 (Ultra/100)
cd0(piixide0:1:0): using PIO mode 4, DMA mode 2 (using DMA)
Kernelized RAIDframe activated
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
pad0: outputs: 44100Hz, 16-bit, stereo
audio0 at pad0: half duplex, playback, capture
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
boot device: ld0
root on ld0a dumps on ld0b
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
/: replaying log to memory
root file system type: ffs
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
viornd_get: asked for 32 bytes of entropy
/: replaying log to disk
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)
arplookup: unable to enter address for 104.238.166.10@fe:00:00:14:e2:79 on vioif0 (host is not on local network)
arplookup: unable to enter address for 104.238.166.10@fe:00:00:14:e2:79 on vioif0 (host is not on local network)
uvm_fault(0xffffffff810b16c0, 0xffff80008e8ce000, 1) -> e
fatal page fault in supervisor mode
trap type 6 code 0 rip ffffffff809ccb04 cs 8 rflags 10206 cr2 ffff80008e8ceff8 ile
vel 8 rsp fffffe81108607c0
curlwp 0xfffffe823d9c52e0 pid 11796.1 lowest kstack 0xfffffe811085e2c0
panic: trap
cpu0: Begin traceback...
vpanic() at netbsd:vpanic+0x13c
snprintf() at netbsd:snprintf
startlwp() at netbsd:startlwp
alltraps() at netbsd:alltraps+0x96
ld_virtio_start() at netbsd:ld_virtio_start+0x14b
ldstart() at netbsd:ldstart+0x6b
ldstrategy() at netbsd:ldstrategy+0x101
bdev_strategy() at netbsd:bdev_strategy+0x5b
spec_strategy() at netbsd:spec_strategy+0x2c
VOP_STRATEGY() at netbsd:VOP_STRATEGY+0x33
genfs_do_io() at netbsd:genfs_do_io+0x195
genfs_gop_write() at netbsd:genfs_gop_write+0x52
genfs_do_putpages() at netbsd:genfs_do_putpages+0xbec
VOP_PUTPAGES() at netbsd:VOP_PUTPAGES+0x3a
ffs_write() at netbsd:ffs_write+0x354
VOP_WRITE() at netbsd:VOP_WRITE+0x37
vn_write() at netbsd:vn_write+0xec
dofilewrite() at netbsd:dofilewrite+0x97
sys_write() at netbsd:sys_write+0x5f
syscall() at netbsd:syscall+0x9a
--- syscall (number 4) ---
7f7ff703c1ca:
cpu0: End traceback...

dumping to dev 19,1 (offset=2135, size=2097023):

>How-To-Repeat:
	
>Fix:
	

>Unformatted: