Post output of 'vmstat -i' and read this thread http://marc.info/?l=openbsd-misc&m=126203835608528&w=2
On Thu, Feb 25, 2010 at 12:47 PM, Will Storey <[email protected]> wrote: > Hi, > > I was attempting to test temperatures under load by running "cat > /dev/urandom > file" and I thought my system had crashed. Instantly when > this command begins the system becomes very unresponsive. All input over ssh > and keyboard attached to the machine has seemingly varying, but significant, > amounts of lag. > > I'm not sure what would be causing this behaviour or how to properly > diagnose it. > The system in question is using the Intel Atom D510MO motherboard ( > http://www.intel.com/products/desktop/motherboards/D510MO/D510MO-overview.htm > ). > > I'm not sure how relevant this is, but the top output seems to indicate > something: > > load averages: B 1.73, B 0.97, B 0.46 > 03:18:14 > 33 processes: B 30 idle, 3 on processor > CPU0 states: B 0.0% user, B 0.0% nice, B 0.4% system, 99.6% interrupt, B 0.0% > idle > CPU1 states: B 0.0% user, B 0.0% nice, B 6.3% system, 53.6% interrupt, 40.1% > idle > CPU2 states: B 0.0% user, B 0.0% nice, B 100% system, B 0.0% interrupt, B 0.0% > idle > CPU3 states: B 0.0% user, B 0.0% nice, B 3.7% system, 50.5% interrupt, 45.8% > idle > Memory: Real: 10M/137M act/tot B Free: 845M B Swap: 0K/2051M used/tot > > B PID USERNAME PRI NICE B SIZE B RES STATE B B WAIT B B B TIME B B CPU COMMAND > 16216 root B B B -5 B B 0 B 184K B 148K sleep/2 B getblk B 11:18 1129.88% cat > 15668 _ntp B B B 56 B B 0 B 708K B 812K onproc/0 B - B B B B 0:42 77.64% ntpd > B 2808 root B B B 2 B B 0 B 624K B 724K sleep/3 B poll B B B 0:17 60.40% ntpd > B 6584 root B B B 32 B B 0 B 808K 1392K onproc/1 B - B B B B 0:08 B 9.23% top > 16545 root B B B 32 B B 0 B 968K 1420K onproc/3 B - B B B B 0:04 B 8.15% sendmail > 23931 will B B B 2 B B 0 3340K 1812K sleep/1 B select B B 0:01 B 2.54% sshd > B 197 _syslogd B 2 B B 0 B 488K B 644K sleep/1 B poll B B B 0:00 B 1.76% syslogd > B 2449 _pflogd B B 4 B B 0 B 540K B 292K sleep/3 B bpf B B B 0:01 B 1.71% pflogd > 17554 will B B B 2 B B 0 3200K 1804K idle B B B select B B 0:03 B 0.83% sshd > > This is after leaving the process running for a few minutes. top updates > maybe once every minute while this goes on and the % cpu time slowly > increases > > I'm aware this is a newish piece of equipment and may not be fully supported > yet so I'm not sure if that is the reason or there is some bug here. Or that > this is anything that should be too worried about. > > I initially found this behaviour on 4.6-release but then tried the Feb 23? > (or which is on ftp as of a couple hours ago) snapshot. Same behaviour on > both. Both were i386. I haven't yet tried amd64. > > Also, I tried a different test running infinite loops to max out all the > CPUs and the system seemed to behave fine. > > Oh, I just tried the SP kernel while writing this and the problem only seems > to occur when running the MP kernel. > > Sorry for the noise if I'm missing something. > > Here's the dmesg: > > OpenBSD 4.7-beta (GENERIC.MP) #423: Tue Feb 23 12:24:22 MST 2010 > B B [email protected]:/usr/src/sys/arch/i386/compile/GENERIC.MP > RTC BIOS diagnostic error 80<clock_battery> > cpu0: Intel(R) Atom(TM) CPU D510 @ 1.66GHz ("GenuineIntel" 686-class) 1.67 > GHz > cpu0: > FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUS H,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,SBF,SSE3,MWAIT,DS-CPL,TM2,CX16,xTPR > real mem B = 1055203328 (1006MB) > avail mem = 1013702656 (966MB) > RTC BIOS diagnostic error 80<clock_battery> > mainbus0 at root > bios0 at mainbus0: AT/286+ BIOS, date 11/17/09, SMBIOS rev. 2.5 @ 0xe4410 > (25 entries) > bios0: vendor Intel Corp. version "MOPNV10J.86A.0154.2009.1117.1624" date > 11/17/2009 > bios0: Intel Corporation D510MO > acpi0 at bios0: rev 2 > acpi0: tables DSDT FACP APIC MCFG HPET SSDT > acpi0: wakeup devices SLPB(S4) PS2M(S4) PS2K(S4) UAR1(S4) UAR2(S4) P32_(S4) > ILAN(S4) PEX0(S4) PEX1(S4) PEX2(S4) PEX3(S4) UHC1(S3) UHC2(S3) UHC3(S3) > UHC4(S3) EHCI(S3) 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 166MHz > cpu1 at mainbus0: apid 1 (application processor) > cpu1: Intel(R) Atom(TM) CPU D510 @ 1.66GHz ("GenuineIntel" 686-class) 1.67 > GHz > cpu1: > FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUS H,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,SBF,SSE3,MWAIT,DS-CPL,TM2,CX16,xTPR > cpu2 at mainbus0: apid 2 (application processor) > cpu2: Intel(R) Atom(TM) CPU D510 @ 1.66GHz ("GenuineIntel" 686-class) 1.67 > GHz > cpu2: > FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUS H,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,SBF,SSE3,MWAIT,DS-CPL,TM2,CX16,xTPR > cpu3 at mainbus0: apid 3 (application processor) > cpu3: Intel(R) Atom(TM) CPU D510 @ 1.66GHz ("GenuineIntel" 686-class) 1.67 > GHz > cpu3: > FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUS H,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,SBF,SSE3,MWAIT,DS-CPL,TM2,CX16,xTPR > ioapic0 at mainbus0: apid 8 pa 0xfec00000, version 20, 24 pins > ioapic0: misconfigured as apic 0, remapped to apid 8 > acpihpet0 at acpi0: 14318179 Hz > acpiprt0 at acpi0: bus 5 (P32_) > acpiprt1 at acpi0: bus 0 (PCI0) > acpiprt2 at acpi0: bus 1 (PEX0) > acpiprt3 at acpi0: bus 2 (PEX1) > acpiprt4 at acpi0: bus 3 (PEX2) > acpiprt5 at acpi0: bus 4 (PEX3) > acpicpu0 at acpi0: C1, PSS > acpicpu1 at acpi0: C1, PSS > acpicpu2 at acpi0: C1, PSS > acpicpu3 at acpi0: C1, PSS > acpibtn0 at acpi0: SLPB > bios0: ROM list: 0xc0000/0xda00! 0xce000/0x1000 > pci0 at mainbus0 bus 0: configuration mode 1 (bios) > pchb0 at pci0 dev 0 function 0 "Intel Pineview DMI Bridge" rev 0x02 > vga1 at pci0 dev 2 function 0 "Intel Pineview Integrated Graphics > Controller" rev 0x02 > wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation) > wsdisplay0: screen 1-5 added (80x25, vt100 emulation) > intagp at vga1 not configured > ppb0 at pci0 dev 28 function 0 "Intel 82801GB PCIE" rev 0x01: apic 8 int 17 > (irq 255) > pci1 at ppb0 bus 1 > re0 at pci1 dev 0 function 0 "Realtek 8168" rev 0x03: RTL8168D/8111D > (0x2800), apic 8 int 16 (irq 11), address 00:27:0e:09:78:51 > rgephy0 at re0 phy 7: RTL8169S/8110S PHY, rev. 2 > ppb1 at pci0 dev 28 function 1 "Intel 82801GB PCIE" rev 0x01: apic 8 int 16 > (irq 255) > pci2 at ppb1 bus 2 > ppb2 at pci0 dev 28 function 2 "Intel 82801GB PCIE" rev 0x01: apic 8 int 18 > (irq 255) > pci3 at ppb2 bus 3 > ppb3 at pci0 dev 28 function 3 "Intel 82801GB PCIE" rev 0x01: apic 8 int 19 > (irq 255) > pci4 at ppb3 bus 4 > uhci0 at pci0 dev 29 function 0 "Intel 82801GB USB" rev 0x01: apic 8 int 23 > (irq 9) > uhci1 at pci0 dev 29 function 1 "Intel 82801GB USB" rev 0x01: apic 8 int 19 > (irq 10) > uhci2 at pci0 dev 29 function 2 "Intel 82801GB USB" rev 0x01: apic 8 int 18 > (irq 11) > uhci3 at pci0 dev 29 function 3 "Intel 82801GB USB" rev 0x01: apic 8 int 16 > (irq 11) > ehci0 at pci0 dev 29 function 7 "Intel 82801GB USB" rev 0x01: apic 8 int 23 > (irq 9) > usb0 at ehci0: USB revision 2.0 > uhub0 at usb0 "Intel EHCI root hub" rev 2.00/1.00 addr 1 > ppb4 at pci0 dev 30 function 0 "Intel 82801BAM Hub-to-PCI" rev 0xe1 > pci5 at ppb4 bus 5 > fxp0 at pci5 dev 0 function 0 "Intel 8255x" rev 0x08, i82559: apic 8 int 21 > (irq 9), address 00:90:27:87:40:3b > inphy0 at fxp0 phy 1: i82555 10/100 PHY, rev. 4 > pcib0 at pci0 dev 31 function 0 "Intel Tigerpoint LPC Controller" rev 0x01 > pciide0 at pci0 dev 31 function 2 "Intel 82801GB SATA" rev 0x01: DMA, > channel 0 configured to native-PCI, channel 1 configured to native-PCI > pciide0: using apic 8 int 19 (irq 10) for native-PCI interrupt > wd0 at pciide0 channel 1 drive 0: <SAMSUNG HD502HJ> > wd0: 16-sector PIO, LBA48, 476940MB, 976773168 sectors > wd0(pciide0:1:0): using PIO mode 4, Ultra-DMA mode 6 > ichiic0 at pci0 dev 31 function 3 "Intel 82801GB SMBus" rev 0x01: apic 8 int > 19 (irq 10) > iic0 at ichiic0 > spdmem0 at iic0 addr 0x51: 1GB DDR2 SDRAM non-parity PC2-6400CL5 > 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 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 > pcppi0 at isa0 port 0x61 > midi0 at pcppi0: <PC speaker> > spkr0 at pcppi0 > wbsio0 at isa0 port 0x4e/2: W83627THF rev 0x84 > lm1 at wbsio0 port 0x290/8: W83627THF > npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16 > mtrr: Pentium Pro MTRR support > vscsi0 at root > scsibus0 at vscsi0: 256 targets > softraid0 at root > root on wd0a swap on wd0b dump on wd0b > > Thanks, > > -- http://www.openbsd.org/lyrics.html
