FreeBSD Server Settings Consult

Sun May 4 00:41:25 UTC 2008

This is a 64-bit platform... Any reasons you're on an i386 kernel? At  
the least it would fix your RAM issue.

-Patrick

On May 3, 2008, at 3:56 PM, "Free BSD" <freebsd at the-irc.org> wrote:

> 4 GB physical ram but only 3GB usable via System.
> AMD X2 64 3800+ (2 CPUs)
>
> i386 Platform
>
> # pciconf -lv|grep ^none
> none0 at pci0:0:17:5:      class=0x040100 card=0x0c84105b chip=0x30591106
> rev=0x60 hdr=0x00
>
>
> Only difference is IPFW/Quota/Device Polling/2000HZ
>
>
> On 6.3 (now on 7) it was having random crashes 1-7 days at a time  
> and did
> not produce a kernel dump.
>
>
> Web/IRC Hosting server
>
> All Sysctls are there from researching the internet for suggested  
> values.
>
>
>
>
> # cat /etc/sysctl.conf
>
> kern.ipc.maxsockbuf=1048576
>
> net.inet.tcp.sendspace=125000
> net.inet.tcp.recvspace=125000
>
>
> net.local.stream.recvspace=65536
> net.local.stream.sendspace=65536
> net.inet.udp.recvspace=65536
> net.inet.udp.maxdgram=65535
>
> kern.ipc.somaxconn=2048
> kern.maxvnodes=132072
> kern.maxfiles=32768
> kern.maxfilesperproc=32768
>
>
> net.inet.tcp.msl=7500
> net.inet.tcp.mssdflt=1460
> security.bsd.see_other_uids=0
> security.bsd.see_other_gids=0
> kern.fallback_elf_brand=3
>
> net.inet.tcp.newreno=0
> net.inet.ip.intr_queue_maxlen=1024
>
>
> net.inet.tcp.rfc1323=1
> net.inet.tcp.delayed_ack=0
> net.inet.ip.check_interface=0
>
> net.inet.icmp.bmcastecho=0
> net.inet.icmp.maskrepl=0
> net.inet.icmp.icmplim=500
>
> net.inet.icmp.drop_redirect=1
> net.inet.icmp.log_redirect=0
>
> net.inet.ip.rtexpire=2
>
> net.inet.ip.rtmaxcache=1024
>
>
> net.inet.ip.rtminexpire=2
> net.inet.tcp.blackhole=2
> net.inet.tcp.icmp_may_rst=0
> net.inet.tcp.inflight.enable=0
> net.inet.tcp.log_in_vain=0
> net.inet.tcp.sack.enable=1
> net.inet.udp.blackhole=1
> net.inet.udp.log_in_vain=0
> net.link.ether.inet.log_arp_wrong_iface=0
>
> # cat /boot/loader.conf
> kern.ipc.maxsockets=32768
>
> kern.ipc.nmbclusters=81920
>
>
> kern.ipc.nmbufs=131072
> kern.ipc.shm_use_phys=1
> kern.maxproc=8192
> net.inet.tcp.tcbhashsize=16384
>
> kern.maxfiles=32768
> kern.maxfilesperproc=32768
> accf_http_load="YES"
>
>
>
> Copyright (c) 1992-2008 The FreeBSD Project.
> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993,  
> 1994
>    The Regents of the University of California. All rights reserved.
> FreeBSD is a registered trademark of The FreeBSD Foundation.
> FreeBSD 7.0-STABLE #0: Fri May  2 12:52:50 CDT 2008
>    root at Eden.The-IRC.Org:/usr/obj/usr/src/sys/THE-IRC
> Timecounter "i8254" frequency 1193182 Hz quality 0
> CPU: AMD Athlon(tm) 64 X2 Dual Core Processor 3800+ (2000.79-MHz 686- 
> class
> CPU)
>  Origin = "AuthenticAMD"  Id = 0x40fb2  Stepping = 2
>
> Features= 
> 0x178bfbff< 
> FPU, 
> VME, 
> DE, 
> PSE, 
> TSC, 
> MSR, 
> PAE, 
> MCE, 
> CX8, 
> APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2,HTT>
>  Features2=0x2001<SSE3,CX16>
>  AMD Features=0xea500800<SYSCALL,NX,MMX+,FFXSR,RDTSCP,LM,3DNow!+, 
> 3DNow!>
>  AMD Features2=0x1f<LAHF,CMP,SVM,ExtAPIC,CR8>
>  Cores per package: 2
> real memory  = 3152936960 (3006 MB)
> avail memory = 3078762496 (2936 MB)
> ACPI APIC Table: <K8M890 AWRDACPI>
> FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
> cpu0 (BSP): APIC ID:  0
> cpu1 (AP): APIC ID:  1
> ioapic0: Changing APIC ID to 2
> ioapic0 <Version 0.3> irqs 0-23 on motherboard
> ioapic1 <Version 0.3> irqs 24-47 on motherboard
> kbd1 at kbdmux0
> ath_hal: 0.9.20.3 (AR5210, AR5211, AR5212, RF5111, RF5112, RF2413,  
> RF5413)
> acpi0: <K8M890 AWRDACPI> on motherboard
> acpi0: [ITHREAD]
> acpi0: Power Button (fixed)
> acpi0: reservation of 0, a0000 (3) failed
> acpi0: reservation of 100000, bbde0000 (3) failed
> Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
> acpi_timer0: <24-bit timer at 3.579545MHz> port 0x408-0x40b on acpi0
> cpu0: <ACPI CPU> on acpi0
> powernow0: <PowerNow! K8> on cpu0
> cpu1: <ACPI CPU> on acpi0
> powernow1: <PowerNow! K8> on cpu1
> acpi_button0: <Power Button> on acpi0
> pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
> pci0: <ACPI PCI bus> on pcib0
> pcib1: <PCI-PCI bridge> at device 1.0 on pci0
> pci1: <PCI bus> on pcib1
> vgapci0: <VGA-compatible display> mem
> 0xc0000000-0xcfffffff,0xdd000000-0xddffffff irq 16 at device 0.0 on  
> pci1
> pcib2: <ACPI PCI-PCI bridge> irq 27 at device 2.0 on pci0
> pci2: <ACPI PCI bus> on pcib2
> pcib3: <ACPI PCI-PCI bridge> irq 31 at device 3.0 on pci0
> pci3: <ACPI PCI bus> on pcib3
> rl0: <RealTek 8139 10/100BaseTX> port 0xf200-0xf2ff mem
> 0xdffff000-0xdffff0ff irq 19 at device 9.0 on pci0
> miibus0: <MII bus> on rl0
> rlphy0: <RealTek internal media interface> PHY 0 on miibus0
> rlphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
> rl0: Ethernet address: 00:15:58:61:20:4c
> rl0: [ITHREAD]
> atapci0: <VIA 6420 SATA150 controller> port
> 0xff00- 
> 0xff07,0xfe00-0xfe03,0xfd00-0xfd07,0xfc00-0xfc03,0xfb00-0xfb0f, 
> 0xf400-0xf4ff
> irq 20 at device 15.0 on pci0
> atapci0: [ITHREAD]
> ata2: <ATA channel 0> on atapci0
> ata2: [ITHREAD]
> ata3: <ATA channel 1> on atapci0
> ata3: [ITHREAD]
> atapci1: <VIA 8237 UDMA133 controller> port
> 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xfa00-0xfa0f at device 15.1 on  
> pci0
> ata0: <ATA channel 0> on atapci1
> ata0: [ITHREAD]
> ata1: <ATA channel 1> on atapci1
> ata1: [ITHREAD]
> uhci0: <VIA 83C572 USB controller> port 0xf900-0xf91f irq 21 at  
> device 16.0
> on pci0
> uhci0: [GIANT-LOCKED]
> uhci0: [ITHREAD]
> usb0: <VIA 83C572 USB controller> on uhci0
> usb0: USB revision 1.0
> uhub0: <VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb0
> uhub0: 2 ports with 2 removable, self powered
> uhci1: <VIA 83C572 USB controller> port 0xf800-0xf81f irq 21 at  
> device 16.1
> on pci0
> uhci1: [GIANT-LOCKED]
> uhci1: [ITHREAD]
> usb1: <VIA 83C572 USB controller> on uhci1
> usb1: USB revision 1.0
> uhub1: <VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb1
> uhub1: 2 ports with 2 removable, self powered
> uhci2: <VIA 83C572 USB controller> port 0xf700-0xf71f irq 21 at  
> device 16.2
> on pci0
> uhci2: [GIANT-LOCKED]
> uhci2: [ITHREAD]
> usb2: <VIA 83C572 USB controller> on uhci2
> usb2: USB revision 1.0
> uhub2: <VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb2
> uhub2: 2 ports with 2 removable, self powered
> uhci3: <VIA 83C572 USB controller> port 0xf600-0xf61f irq 21 at  
> device 16.3
> on pci0
> uhci3: [GIANT-LOCKED]
> uhci3: [ITHREAD]
> usb3: <VIA 83C572 USB controller> on uhci3
> usb3: USB revision 1.0
> uhub3: <VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb3
> uhub3: 2 ports with 2 removable, self powered
> ehci0: <VIA VT6202 USB 2.0 controller> mem 0xdfffe000-0xdfffe0ff irq  
> 21 at
> device 16.4 on pci0
> ehci0: [GIANT-LOCKED]
> ehci0: [ITHREAD]
> usb4: EHCI version 1.0
> usb4: companion controllers, 2 ports each: usb0 usb1 usb2 usb3
> usb4: <VIA VT6202 USB 2.0 controller> on ehci0
> usb4: USB revision 2.0
> uhub4: <VIA EHCI root hub, class 9/0, rev 2.00/1.00, addr 1> on usb4
> uhub4: 8 ports with 8 removable, self powered
> isab0: <PCI-ISA bridge> at device 17.0 on pci0
> isa0: <ISA bus> on isab0
> pci0: <multimedia, audio> at device 17.5 (no driver attached)
> acpi_tz0: <Thermal Zone> on acpi0
> sio0: configured irq 4 not in bitmap of probed irqs 0
> sio0: port may not be enabled
> sio0: configured irq 4 not in bitmap of probed irqs 0
> sio0: port may not be enabled
> sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10  
> on
> acpi0
> sio0: type 16550A
> sio0: [FILTER]
> sio1: <16550A-compatible COM port> port 0x2f8-0x2ff irq 3 on acpi0
> sio1: type 16550A
> sio1: [FILTER]
> pmtimer0 on isa0
> atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
> atkbd0: <AT Keyboard> irq 1 on atkbdc0
> kbd0 at atkbd0
> atkbd0: [GIANT-LOCKED]
> atkbd0: [ITHREAD]
> ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
> ppc0: Generic chipset (NIBBLE-only) in COMPATIBLE mode
> ppbus0: <Parallel port bus> on ppc0
> ppbus0: [ITHREAD]
> plip0: <PLIP network interface> on ppbus0
> lpt0: <Printer> on ppbus0
> lpt0: Interrupt-driven port
> ppi0: <Parallel I/O> on ppbus0
> ppc0: [GIANT-LOCKED]
> ppc0: [ITHREAD]
> sc0: <System console> at flags 0x100 on isa0
> sc0: VGA <16 virtual consoles, flags=0x300>
> vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on  
> isa0
> ukbd0: <Dell Dell USB Keyboard, class 0/0, rev 1.10/3.01, addr 2> on  
> uhub0
> kbd2 at ukbd0
> Timecounters tick every 1.000 msec
> ipfw2 (+ipv6) initialized, divert enabled, nat loadable, rule-based
> forwarding enabled, default to accept, logging limited to 100  
> packets/entry
> by default
> ad0: 76319MB <Seagate ST380011A 8.01> at ata0-master UDMA100
> ad4: 76319MB <Seagate ST380811AS 3.AAE> at ata2-master SATA150
> SMP: AP CPU #1 Launched!
> Trying to mount root from ufs:/dev/ad4s1a
> rl0: link state changed to UP
>
> - Hide quoted text -
>
>
>
> On Fri, May 2, 2008 at 7:20 PM, Mel <fbsd.questions at rachie.is-a-geek.net 
> >
> wrote:
>
> On Friday 02 May 2008 13:28:44 Free BSD wrote:
>> We've been having some problems with our server and I was wondering  
>> if
>> someone had any advice or suggestions for our current system  
>> settings.
>
> Would help to know, at minimum:
> - ammount of ram
> - ammount of cpu's
> - platform (uname -m )
> - pciconf -lv|grep ^none
> - dmesg output that complains about hardware
> - what's different about your kernel with respect to GENERIC
>
> What the problems are:
> - from the sysctl variables, I'm guessing you want more network  
> performance
> - you mention core dumps, does the kernel crash?
>
> Some background:
> - what's the primary purpose of the machine
> - why are things like ipc tuned?
>
>
>> kern.maxfilesperproc=65536
>
> The above will only work with programs that use open(2) exclusively  
> and not
> fopen, because fopen is limited to SHRT_MAX, being 32767.
>
>
> --
> Mel
>
> Problem with today's modular software: they start with the modules
>   and never get to the software part.
> _______________________________________________
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