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Old 22nd June 2010
lebbers lebbers is offline
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Default OpenBSD randomly wedging

I've been running OpenBSD 4.4 on an Atom N330, in the capacity of a firewall/OSPF router.

I recently upgraded (clean install) to OpenBSD 4.7 and with a virtually identical configuration, I'm experiencing frequent 'wedges', wherein the entire box becomes unresponsive to network/console/etc but recovers without user intervention after an arbitrary period of time. Not having the time to investigate further, I downgraded to 4.6 and the problem disappeared. Anyone seen anything like this? Or, any idea what kind of instrumentation I could setup that might shed some light as to which device/process is causing this?

dmesg follows:

OpenBSD 4.6 (GENERIC.MP) #89: Thu Jul 9 21:32:39 MDT 2009
deraadt@i386.openbsd.org:/usr/src/sy...ile/GENERIC.MP
RTC BIOS diagnostic error 80<clock_battery>
cpu0: Intel(R) Atom(TM) CPU 330 @ 1.60GHz ("GenuineIntel" 686-class) 1.60 GHz
cpu0: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,P GE,MCA,CMOV,PAT,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,S S,HTT,TM,SBF,SSE3,MWAIT,DS-CPL,TM2,CX16,xTPR
real mem = 1061863424 (1012MB)
avail mem = 1017929728 (970MB)
RTC BIOS diagnostic error 80<clock_battery>
mainbus0 at root
bios0 at mainbus0: AT/286+ BIOS, date 07/31/08, SMBIOS rev. 2.4 @ 0xe3590 (23 entries)
bios0: vendor Intel Corp. version "LF94510J.86A.0099.2008.0731.0303" date 07/31/2008
bios0: Intel Corporation D945GCLF2
acpi0 at bios0: rev 0
acpi0: tables DSDT FACP APIC WDDT MCFG ASF!
acpi0: wakeup devices SLPB(S4) P32_(S4) UAR1(S4) UAR2(S4) PEX0(S4) PEX1(S4) PEX2(S4) PEX3(S4) PEX4(S4) PEX5(S4) UHC1(S3) UHC2(S3) UHC3(S3) UHC4(S3) EHCI(S3) AC9M(S4) AZAL(S4)
acpitimer0 at acpi0: 3579545 Hz, 24 bits
acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
cpu0 at mainbus0: apid 0 (boot processor)
cpu0: apic clock running at 133MHz
cpu1 at mainbus0: apid 2 (application processor)
cpu1: Intel(R) Atom(TM) CPU 330 @ 1.60GHz ("GenuineIntel" 686-class) 1.60 GHz
cpu1: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,P GE,MCA,CMOV,PAT,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,S S,HTT,TM,SBF,SSE3,MWAIT,DS-CPL,TM2,CX16,xTPR
cpu2 at mainbus0: apid 1 (application processor)
cpu2: Intel(R) Atom(TM) CPU 330 @ 1.60GHz ("GenuineIntel" 686-class) 1.60 GHz
cpu2: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,P GE,MCA,CMOV,PAT,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,S S,HTT,TM,SBF,SSE3,MWAIT,DS-CPL,TM2,CX16,xTPR
cpu3 at mainbus0: apid 3 (application processor)
cpu3: Intel(R) Atom(TM) CPU 330 @ 1.60GHz ("GenuineIntel" 686-class) 1.60 GHz
cpu3: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,P GE,MCA,CMOV,PAT,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,S S,HTT,TM,SBF,SSE3,MWAIT,DS-CPL,TM2,CX16,xTPR
ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 24 pins
ioapic0: misconfigured as apic 0, remapped to apid 2
acpiprt0 at acpi0: bus 0 (PCI0)
acpiprt1 at acpi0: bus 4 (P32_)
acpiprt2 at acpi0: bus 1 (PEX0)
acpiprt3 at acpi0: bus -1 (PEX1)
acpiprt4 at acpi0: bus 2 (PEX2)
acpiprt5 at acpi0: bus 3 (PEX3)
acpiprt6 at acpi0: bus -1 (PEX4)
acpiprt7 at acpi0: bus -1 (PEX5)
acpicpu0 at acpi0
acpicpu1 at acpi0
acpicpu2 at acpi0
acpicpu3 at acpi0
acpibtn0 at acpi0: SLPB
bios0: ROM list: 0xc0000/0xae00! 0xcb000/0x1000 0xcc000/0x1000
pci0 at mainbus0 bus 0: configuration mode 1 (bios)
pchb0 at pci0 dev 0 function 0 "Intel 82945G Host" rev 0x02
vga1 at pci0 dev 2 function 0 "Intel 82945G Video" rev 0x02
wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation)
wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
intagp0 at vga1
agp0 at intagp0: aperture at 0x40000000, size 0x10000000
inteldrm0 at vga1: apic 2 int 16 (irq 11)
drm0 at inteldrm0
azalia0 at pci0 dev 27 function 0 "Intel 82801GB HD Audio" rev 0x01: apic 2 int 22 (irq 9)
azalia0: codecs: Realtek ALC662
audio0 at azalia0
ppb0 at pci0 dev 28 function 0 "Intel 82801GB PCIE" rev 0x01: apic 2 int 17 (irq 255)
pci1 at ppb0 bus 1
re0 at pci1 dev 0 function 0 "Realtek 8168" rev 0x02: RTL8168C/8111C (0x3c00), apic 2 int 16 (irq 11), address
rgephy0 at re0 phy 7: RTL8169S/8110S PHY, rev. 2
ppb1 at pci0 dev 28 function 2 "Intel 82801GB PCIE" rev 0x01: apic 2 int 18 (irq 255)
pci2 at ppb1 bus 2
ppb2 at pci0 dev 28 function 3 "Intel 82801GB PCIE" rev 0x01: apic 2 int 19 (irq 255)
pci3 at ppb2 bus 3
uhci0 at pci0 dev 29 function 0 "Intel 82801GB USB" rev 0x01: apic 2 int 23 (irq 10)
uhci1 at pci0 dev 29 function 1 "Intel 82801GB USB" rev 0x01: apic 2 int 19 (irq 11)
uhci2 at pci0 dev 29 function 2 "Intel 82801GB USB" rev 0x01: apic 2 int 18 (irq 9)
uhci3 at pci0 dev 29 function 3 "Intel 82801GB USB" rev 0x01: apic 2 int 16 (irq 11)
ehci0 at pci0 dev 29 function 7 "Intel 82801GB USB" rev 0x01: apic 2 int 23 (irq 10)
usb0 at ehci0: USB revision 2.0
uhub0 at usb0 "Intel EHCI root hub" rev 2.00/1.00 addr 1
ppb3 at pci0 dev 30 function 0 "Intel 82801BA Hub-to-PCI" rev 0xe1
pci4 at ppb3 bus 4
em0 at pci4 dev 0 function 0 "Intel PRO/1000MT (82541GI)" rev 0x00: apic 2 int 21 (irq 10), address
ichpcib0 at pci0 dev 31 function 0 "Intel 82801GB LPC" rev 0x01: PM disabled
pciide0 at pci0 dev 31 function 1 "Intel 82801GB IDE" rev 0x01: DMA, channel 0 configured to compatibility, channel 1 configured to compatibility
pciide0: channel 0 disabled (no drives)
pciide0: channel 1 ignored (disabled)
pciide1 at pci0 dev 31 function 2 "Intel 82801GB SATA" rev 0x01: DMA, channel 0 configured to native-PCI, channel 1 configured to native-PCI
pciide1: using apic 2 int 19 (irq 11) for native-PCI interrupt
ichiic0 at pci0 dev 31 function 3 "Intel 82801GB SMBus" rev 0x01: apic 2 int 19 (irq 11)
iic0 at ichiic0
admtm0 at iic0 addr 0x2d: 47m192
spdmem0 at iic0 addr 0x50: 1GB DDR2 SDRAM non-parity PC2-5300CL5
usb1 at uhci0: USB revision 1.0
uhub1 at usb1 "Intel UHCI root hub" rev 1.00/1.00 addr 1
usb2 at uhci1: USB revision 1.0
uhub2 at usb2 "Intel UHCI root hub" rev 1.00/1.00 addr 1
usb3 at uhci2: USB revision 1.0
uhub3 at usb3 "Intel UHCI root hub" rev 1.00/1.00 addr 1
usb4 at uhci3: USB revision 1.0
uhub4 at usb4 "Intel UHCI root hub" rev 1.00/1.00 addr 1
isa0 at ichpcib0
isadma0 at isa0
com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
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
pcppi0 at isa0 port 0x61
midi0 at pcppi0: <PC speaker>
spkr0 at pcppi0
lpt0 at isa0 port 0x378/4 irq 7
npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16
mtrr: Pentium Pro MTRR support
umass0 at uhub0 port 4 configuration 1 interface 0 "HP V100w" rev 2.00/1.10 addr 2
umass0: using SCSI over Bulk-Only
scsibus0 at umass0: 2 targets, initiator 0
sd0 at scsibus0 targ 1 lun 0: <HP, V100w, PMAP> SCSI0 0/direct removable
sd0: 3850MB, 512 bytes/sec, 7884800 sec total
softraid0 at root
root on sd0a swap on sd0b dump on sd0b
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