Hi All
I'm seeing high CPU usage with bgpd session engine, and this was knocking out
all my routing. The only way to get routing back is to pill the bgpd and then
start it again. sthen suggested I ktraced it and the output is below.
This is on 5.3 however same issues experienced on 5.2. Different hardware
also.
Peer is running bird. Versions: 1.3.8 and 1.3.11
Kdump:
6326 bgpd EMUL "native"
6326 bgpd RET sendmsg -1 errno 35 Resource temporarily unavailable
6326 bgpd CALL sendmsg(0x9,0x7f7ffffe7080,0)
6326 bgpd RET sendmsg -1 errno 35 Resource temporarily unavailable
6326 bgpd CALL sendmsg(0x9,0x7f7ffffe7080,0)
6326 bgpd RET sendmsg -1 errno 35 Resource temporarily unavailable
6326 bgpd CALL sendmsg(0x9,0x7f7ffffe7080,0)
6326 bgpd RET sendmsg -1 errno 35 Resource temporarily unavailable
6326 bgpd CALL sendmsg(0x9,0x7f7ffffe7080,0)
6326 bgpd RET sendmsg -1 errno 35 Resource temporarily unavailable
6326 bgpd CALL sendmsg(0x9,0x7f7ffffe7080,0)
6326 bgpd RET sendmsg -1 errno 35 Resource temporarily unavailable
6326 bgpd CALL sendmsg(0x9,0x7f7ffffe7080,0)
6326 bgpd RET sendmsg -1 errno 35 Resource temporarily unavailable
6326 bgpd CALL sendmsg(0x9,0x7f7ffffe7080,0)
6326 bgpd RET sendmsg -1 errno 35 Resource temporarily unavailable
Dmesg:
OpenBSD 5.3 (GENERIC.MP) #0: Wed Jul 10 20:29:08 BST 2013
[email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP
real mem = 2136473600 (2037MB)
avail mem = 2057166848 (1961MB)
mainbus0 at root
bios0 at mainbus0: SMBIOS rev. 2.6 @ 0x9f000 (19 entries)
bios0: vendor American Megatrends Inc. version "1.2a" date 02/21/12
bios0: Supermicro X7SPA-H
acpi0 at bios0: rev 2
acpi0: sleep states S0 S1 S4 S5
acpi0: tables DSDT FACP APIC MCFG OEMB HPET GSCI EINJ BERT ERST HEST
acpi0: wakeup devices P0P1(S4) PS2K(S4) PS2M(S4) USB0(S4) USB1(S4) USB2(S4)
USB5(S4) EUSB(S4) USB3(S4) USB4(S4) USB6(S4) USBE(S4) P0P4(S4) P0P5(S4)
P0P6(S4) P0P7(S4) P0P8(S4) P0P9(S4) GBE_(S4) SLPB(S4)
acpitimer0 at acpi0: 3579545 Hz, 24 bits
acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
cpu0 at mainbus0: apid 0 (boot processor)
cpu0: Intel(R) Atom(TM) CPU D525 @ 1.80GHz, 1800.23 MHz
cpu0:
FPU,VME,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,PBE,SSE3,DTES64,MWAIT,DS-CPL,TM2,SSSE3,
CX16,xTPR,PDCM,MOVBE,NXE,LONG,LAHF,PERF
cpu0: 512KB 64b/line 8-way L2 cache
cpu0: apic clock running at 199MHz
cpu1 at mainbus0: apid 2 (application processor)
cpu1: Intel(R) Atom(TM) CPU D525 @ 1.80GHz, 1800.00 MHz
cpu1:
FPU,VME,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,PBE,SSE3,DTES64,MWAIT,DS-CPL,TM2,SSSE3,
CX16,xTPR,PDCM,MOVBE,NXE,LONG,LAHF,PERF
cpu1: 512KB 64b/line 8-way L2 cache
cpu2 at mainbus0: apid 1 (application processor)
cpu2: Intel(R) Atom(TM) CPU D525 @ 1.80GHz, 1800.00 MHz
cpu2:
FPU,VME,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,PBE,SSE3,DTES64,MWAIT,DS-CPL,TM2,SSSE3,
CX16,xTPR,PDCM,MOVBE,NXE,LONG,LAHF,PERF
cpu2: 512KB 64b/line 8-way L2 cache
cpu3 at mainbus0: apid 3 (application processor)
cpu3: Intel(R) Atom(TM) CPU D525 @ 1.80GHz, 1800.00 MHz
cpu3:
FPU,VME,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,PBE,SSE3,DTES64,MWAIT,DS-CPL,TM2,SSSE3,
CX16,xTPR,PDCM,MOVBE,NXE,LONG,LAHF,PERF
cpu3: 512KB 64b/line 8-way L2 cache
ioapic0 at mainbus0: apid 4 pa 0xfec00000, version 20, 24 pins
ioapic0: misconfigured as apic 1, remapped to apid 4
acpimcfg0 at acpi0 addr 0xe0000000, bus 0-255
acpihpet0 at acpi0: 14318179 Hz
acpiprt0 at acpi0: bus 0 (PCI0)
acpiprt1 at acpi0: bus 7 (P0P1)
acpiprt2 at acpi0: bus 1 (P0P4)
acpiprt3 at acpi0: bus 5 (P0P8)
acpiprt4 at acpi0: bus 6 (P0P9)
acpicpu0 at acpi0
acpicpu1 at acpi0
acpicpu2 at acpi0
acpicpu3 at acpi0
acpibtn0 at acpi0: SLPB
acpibtn1 at acpi0: PWRB
ipmi at mainbus0 not configured
pci0 at mainbus0 bus 0
pchb0 at pci0 dev 0 function 0 "Intel Pineview DMI" rev 0x02
vga1 at pci0 dev 2 function 0 "Intel Pineview 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 0xd0000000, size 0x10000000
inteldrm0 at vga1: apic 4 int 16
drm0 at inteldrm0
"Intel Pineview Video" rev 0x02 at pci0 dev 2 function 1 not configured
uhci0 at pci0 dev 26 function 0 "Intel 82801I USB" rev 0x02: apic 4 int 16
uhci1 at pci0 dev 26 function 1 "Intel 82801I USB" rev 0x02: apic 4 int 21
uhci2 at pci0 dev 26 function 2 "Intel 82801I USB" rev 0x02: apic 4 int 19
ehci0 at pci0 dev 26 function 7 "Intel 82801I USB" rev 0x02: apic 4 int 18
usb0 at ehci0: USB revision 2.0
uhub0 at usb0 "Intel EHCI root hub" rev 2.00/1.00 addr 1
ppb0 at pci0 dev 28 function 0 "Intel 82801I PCIE" rev 0x02: msi
pci1 at ppb0 bus 1
ppb1 at pci1 dev 0 function 0 "IDT 89HPES12N3A" rev 0x04
pci2 at ppb1 bus 2
ppb2 at pci2 dev 0 function 0 "IDT 89HPES12N3A" rev 0x04
pci3 at ppb2 bus 3
em0 at pci3 dev 0 function 0 "Intel PRO/1000 QP (82571EB)" rev 0x06: apic 4
int 17, address 00:15:17:80:63:8d
em1 at pci3 dev 0 function 1 "Intel PRO/1000 QP (82571EB)" rev 0x06: apic 4
int 16, address 00:15:17:80:63:8c
ppb3 at pci2 dev 1 function 0 "IDT 89HPES12N3A" rev 0x04
pci4 at ppb3 bus 4
em2 at pci4 dev 0 function 0 "Intel PRO/1000 QP (82571EB)" rev 0x06: apic 4
int 18, address 00:15:17:80:63:8f
em3 at pci4 dev 0 function 1 "Intel PRO/1000 QP (82571EB)" rev 0x06: apic 4
int 17, address 00:15:17:80:63:8e
ppb4 at pci0 dev 28 function 4 "Intel 82801I PCIE" rev 0x02: msi
pci5 at ppb4 bus 5
em4 at pci5 dev 0 function 0 "Intel PRO/1000 MT (82574L)" rev 0x00: msi,
address 00:25:90:96:68:94
ppb5 at pci0 dev 28 function 5 "Intel 82801I PCIE" rev 0x02: msi
pci6 at ppb5 bus 6
em5 at pci6 dev 0 function 0 "Intel PRO/1000 MT (82574L)" rev 0x00: msi,
address 00:25:90:96:68:95
uhci3 at pci0 dev 29 function 0 "Intel 82801I USB" rev 0x02: apic 4 int 23
uhci4 at pci0 dev 29 function 1 "Intel 82801I USB" rev 0x02: apic 4 int 19
uhci5 at pci0 dev 29 function 2 "Intel 82801I USB" rev 0x02: apic 4 int 18
ehci1 at pci0 dev 29 function 7 "Intel 82801I USB" rev 0x02: apic 4 int 23
usb1 at ehci1: USB revision 2.0
uhub1 at usb1 "Intel EHCI root hub" rev 2.00/1.00 addr 1
ppb6 at pci0 dev 30 function 0 "Intel 82801BA Hub-to-PCI" rev 0x92
pci7 at ppb6 bus 7
pcib0 at pci0 dev 31 function 0 "Intel 82801IR LPC" rev 0x02
pciide0 at pci0 dev 31 function 2 "Intel 82801I SATA" rev 0x02: DMA, channel 0
configured to native-PCI, channel 1 configured to native-PCI
pciide0: using apic 4 int 19 for native-PCI interrupt
ichiic0 at pci0 dev 31 function 3 "Intel 82801I SMBus" rev 0x02: apic 4 int
18
iic0 at ichiic0
lm1 at iic0 addr 0x2d: W83627DHG
spdmem0 at iic0 addr 0x51: 2GB DDR3 SDRAM PC3-10600 SO-DIMM
pciide1 at pci0 dev 31 function 5 "Intel 82801I SATA" rev 0x02: DMA, channel 0
wired to native-PCI, channel 1 wired to native-PCI
pciide1: using apic 4 int 19 for native-PCI interrupt
wd0 at pciide1 channel 1 drive 0: <M4-CT064M4SSD2>
wd0: 16-sector PIO, LBA48, 61053MB, 125037167 sectors
wd0(pciide1:1:0): using PIO mode 4, Ultra-DMA mode 5
usb2 at uhci0: USB revision 1.0
uhub2 at usb2 "Intel UHCI root hub" rev 1.00/1.00 addr 1
usb3 at uhci1: USB revision 1.0
uhub3 at usb3 "Intel UHCI root hub" rev 1.00/1.00 addr 1
usb4 at uhci2: USB revision 1.0
uhub4 at usb4 "Intel UHCI root hub" rev 1.00/1.00 addr 1
usb5 at uhci3: USB revision 1.0
uhub5 at usb5 "Intel UHCI root hub" rev 1.00/1.00 addr 1
usb6 at uhci4: USB revision 1.0
uhub6 at usb6 "Intel UHCI root hub" rev 1.00/1.00 addr 1
usb7 at uhci5: USB revision 1.0
uhub7 at usb7 "Intel UHCI root hub" rev 1.00/1.00 addr 1
isa0 at pcib0
isadma0 at isa0
com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
com0: console
com1 at isa0 port 0x2f8/8 irq 3: 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
spkr0 at pcppi0
wbsio0 at isa0 port 0x2e/2: W83627DHG rev 0x25
lm2 at wbsio0 port 0xca0/8: W83627DHG
mtrr: Pentium Pro MTRR support
lm1: disabling sensors due to alias with lm2
vscsi0 at root
scsibus0 at vscsi0: 256 targets
softraid0 at root
scsibus1 at softraid0: 256 targets
root on wd0a (ae4edeff80316ed9.a) swap on wd0b dump on wd0b
Bgpd.conf
peer1="X.X.X..40"
peer1v4block="{ Y.Y.Y.0/21 }"
AS 198236
router-id X.X.X.3
neighbor $peer1 {
remote-as #####
announce all
announce IPv6 none
}
deny from $peer1
allow from $peer1 prefix $peer1v4block
