Date: Sun, 04 Sep 2005 08:32:08 +0200 From: Benjamin Lutz <benlutz@datacomm.ch> To: FreeBSD-Current <current@freebsd.org> Subject: Re: Very slow disk writes because of wdrain Message-ID: <431A94E8.6030000@datacomm.ch> In-Reply-To: <431A93E8.6080601@datacomm.ch> References: <431A25CB.8050503@datacomm.ch> <431A93E8.6080601@datacomm.ch>
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> ...apparently the attachments got lost...
...and just did once Again? Must be the list software not liking them.
I'll inline them:
----- dmesg start -----
Copyright (c) 1992-2005 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 6.0-BETA3 #0: Sat Sep 3 19:59:33 CEST 2005
maxlor@gaia.intranet:/usr/obj/usr/src/sys/GAIA
ACPI APIC Table: <DELL PE600SC >
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Pentium(R) 4 CPU 2.40GHz (2399.34-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0xf27 Stepping = 7
Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
Features2=0x400<CNTX-ID>
real memory = 268369920 (255 MB)
avail memory = 253108224 (241 MB)
ioapic0: Changing APIC ID to 1
ioapic1: Changing APIC ID to 2
ioapic2: Changing APIC ID to 3
MADT: Forcing active-low polarity and level trigger for SCI
ioapic0 <Version 1.1> irqs 0-15 on motherboard
ioapic1 <Version 1.1> irqs 16-31 on motherboard
ioapic2 <Version 1.1> irqs 32-47 on motherboard
npx0: [FAST]
npx0: <math processor> on motherboard
npx0: INT 16 interface
acpi0: <DELL PE600SC> on motherboard
acpi0: Power Button (fixed)
pci_link0: <ACPI PCI Link LNK0> on acpi0
pci_link1: <ACPI PCI Link LNK1> irq 10 on acpi0
pci_link2: <ACPI PCI Link LNK2> on acpi0
pci_link3: <ACPI PCI Link LNK3> on acpi0
pci_link4: <ACPI PCI Link LNK4> irq 5 on acpi0
pci_link5: <ACPI PCI Link LNK5> on acpi0
pci_link6: <ACPI PCI Link LNK6> on acpi0
pci_link7: <ACPI PCI Link LNK7> on acpi0
pci_link8: <ACPI PCI Link LNK8> on acpi0
pci_link9: <ACPI PCI Link LNK9> on acpi0
pci_link10: <ACPI PCI Link LNKA> on acpi0
pci_link11: <ACPI PCI Link LNKB> on acpi0
pci_link12: <ACPI PCI Link LNKC> on acpi0
pci_link13: <ACPI PCI Link LNKD> on acpi0
pci_link14: <ACPI PCI Link LNKE> on acpi0
pci_link15: <ACPI PCI Link LNKF> on acpi0
pci_link16: <ACPI PCI Link LN10> on acpi0
pci_link17: <ACPI PCI Link LN11> on acpi0
pci_link18: <ACPI PCI Link LN12> on acpi0
pci_link19: <ACPI PCI Link LN13> on acpi0
pci_link20: <ACPI PCI Link LN14> on acpi0
pci_link21: <ACPI PCI Link LN15> on acpi0
pci_link22: <ACPI PCI Link LN16> on acpi0
pci_link23: <ACPI PCI Link LN17> on acpi0
pci_link24: <ACPI PCI Link LN18> on acpi0
pci_link25: <ACPI PCI Link LN19> on acpi0
pci_link26: <ACPI PCI Link LN1A> on acpi0
pci_link27: <ACPI PCI Link LN1B> on acpi0
pci_link28: <ACPI PCI Link LN1C> on acpi0
pci_link29: <ACPI PCI Link LN1D> on acpi0
pci_link30: <ACPI PCI Link LN1E> on acpi0
pci_link31: <ACPI PCI Link LN1F> on acpi0
pci_link32: <ACPI PCI Link LUSB> irq 3 on acpi0
pci_link33: <ACPI PCI Link LTID> irq 11 on acpi0
Timecounter "ACPI-safe" frequency 3579545 Hz quality 1000
acpi_timer0: <32-bit timer at 3.579545MHz> port 0x808-0x80b on acpi0
cpu0: <ACPI CPU> on acpi0
pcib0: <ACPI Host-PCI bridge> on acpi0
pci0: <ACPI PCI bus> on pcib0
em0: <Intel(R) PRO/1000 Network Connection, Version - 2.1.7> port
0xecc0-0xecff mem 0xfe100000-0xfe11ffff irq 17 at device 2.0 on pci0
em0: Ethernet address: 00:c0:9f:21:ac:ff
em0: Speed:N/A Duplex:N/A
amr0: <LSILogic MegaRAID 1.51> mem 0xfeb00000-0xfeb0ffff irq 20 at
device 4.0 on pci0
amr0: <LSILogic PERC 3/SC> Firmware 1.78, BIOS 3.29, 32MB RAM
pci0: <display, VGA> at device 8.0 (no driver attached)
atapci0: <ServerWorks CSB6 UDMA66 controller> port
0x1e8-0x1ef,0x3ec-0x3ef,0x168-0x16f,0x36c-0x36f,0x900-0x90f irq 11 at
device 14.0 on pci0
ata2: <ATA channel 0> on atapci0
ata3: <ATA channel 1> on atapci0
atapci1: <ServerWorks CSB6 UDMA100 controller> port
0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0x8b0-0x8bf at device 15.1 on pci0
ata0: <ATA channel 0> on atapci1
ata1: <ATA channel 1> on atapci1
ohci0: <OHCI (generic) USB controller> mem 0xfe120000-0xfe120fff irq 3
at device 15.2 on pci0
ohci0: [GIANT-LOCKED]
usb0: OHCI version 1.0, legacy support
usb0: SMM does not respond, resetting
usb0: <OHCI (generic) USB controller> on ohci0
usb0: USB revision 1.0
uhub0: (0x1166) OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
isab0: <PCI-ISA bridge> at device 15.3 on pci0
isa0: <ISA bus> on isab0
fdc0: <floppy drive controller> port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on acpi0
fdc0: [FAST]
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on
acpi0
sio0: type 16550A
ppc0: <ECP parallel printer port> port 0x378-0x37f,0x778-0x77f irq 7 drq
1 on acpi0
ppc0: Generic chipset (ECP/PS2/NIBBLE) in COMPATIBLE mode
ppc0: FIFO with 16/16/8 bytes threshold
ppbus0: <Parallel port bus> on ppc0
plip0: <PLIP network interface> on ppbus0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
pmtimer0 on isa0
orm0: <ISA Option ROMs> at iomem 0xc0000-0xc7fff,0xec000-0xeffff on isa0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
sio1: configured irq 3 not in bitmap of probed irqs 0
sio1: port may not be enabled
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
umass0: Western Digital Corporation Western Digital USB Hard Drive, rev
2.00/ff.ff, addr 2
Timecounter "TSC" frequency 2399338028 Hz quality 800
Timecounters tick every 1.000 msec
acd0: CDROM <GCR-8481B/2.01> at ata2-master UDMA33
amrd0: <LSILogic MegaRAID logical drive> on amr0
amrd0: 34678MB (71020544 sectors) RAID 1 (optimal)
da0 at umass-sim0 bus 0 target 0 lun 0
da0: <WDC WD800BB-00FRA0 77.0> Fixed Direct Access SCSI-2 device
da0: 1.000MB/s transfers
da0: 76319MB (156301488 512 byte sectors: 255H 63S/T 9729C)
Trying to mount root from ufs:/dev/amrd0s2a
p4tcc0: <CPU Frequency Thermal Control> on cpu0
----- dmesg end -----
----- kernel config start -----
machine i386
cpu I686_CPU
ident GAIA
# To statically compile in device wiring instead of /boot/device.hints
#hints "GENERIC.hints" # Default places to look for devices.
#makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols
#options SCHED_ULE # ULE scheduler
options SCHED_4BSD # 4BSD scheduler
options PREEMPTION # Enable kernel thread preemption
options INET # InterNETworking
options INET6 # IPv6 communications protocols
options FFS # Berkeley Fast Filesystem
options SOFTUPDATES # Enable FFS soft updates support
options UFS_ACL # Support for access control lists
options UFS_DIRHASH # Improve performance on big directories
options MD_ROOT # MD is a potential root device
options NFSCLIENT # Network Filesystem Client
options NFSSERVER # Network Filesystem Server
options NFS_ROOT # NFS usable as /, requires NFSCLIENT
options MSDOSFS # MSDOS Filesystem
options CD9660 # ISO 9660 Filesystem
options PROCFS # Process filesystem (requires PSEUDOFS)
options PSEUDOFS # Pseudo-filesystem framework
options GEOM_GPT # GUID Partition Tables.
options COMPAT_43 # Compatible with BSD 4.3 [KEEP THIS!]
options COMPAT_FREEBSD4 # Compatible with FreeBSD4
options COMPAT_FREEBSD5 # Compatible with FreeBSD5
options SCSI_DELAY=5000 # Delay (in ms) before probing SCSI
options KTRACE # ktrace(1) support
options SYSVSHM # SYSV-style shared memory
options SYSVMSG # SYSV-style message queues
options SYSVSEM # SYSV-style semaphores
options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
options KBD_INSTALL_CDEV # install a CDEV entry in /dev
options AHC_REG_PRETTY_PRINT # Print register bitfields in debug
# output. Adds ~128k to driver.
options AHD_REG_PRETTY_PRINT # Print register bitfields in debug
# output. Adds ~215k to driver.
options ADAPTIVE_GIANT # Giant mutex is adaptive.
# Debugging for use in -current
#options KDB # Enable kernel debugger support.
#options DDB # Support DDB.
#options GDB # Support remote GDB.
#options INVARIANTS # Enable calls of extra sanity checking
#options INVARIANT_SUPPORT # Extra sanity checks of internal
structures, required by INVARIANTS
#options WITNESS # Enable checks to detect deadlocks and cycles
#options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed
# To make an SMP kernel, the next two lines are needed
#options SMP # Symmetric MultiProcessor Kernel
device apic # I/O APIC
# Bus support. Do not remove isa, even if you have no isa slots
device isa
device eisa
device pci
# Floppy drives
device fdc
# ATA and ATAPI devices
device ata
device atadisk # ATA disk drives
device ataraid # ATA RAID drives
device atapicd # ATAPI CDROM drives
device atapifd # ATAPI floppy drives
device atapist # ATAPI tape drives
options ATA_STATIC_ID # Static device numbering
# SCSI Controllers
#device ahb # EISA AHA1742 family
#device ahc # AHA2940 and onboard AIC7xxx devices
#device ahd # AHA39320/29320 and onboard AIC79xx devices
#device amd # AMD 53C974 (Tekram DC-390(T))
#device isp # Qlogic family
#device ispfw # Firmware for QLogic HBAs- normally a module
#device mpt # LSI-Logic MPT-Fusion
#device ncr # NCR/Symbios Logic
#device sym # NCR/Symbios Logic (newer chipsets + those of `ncr')
#device trm # Tekram DC395U/UW/F DC315U adapters
#device adv # Advansys SCSI adapters
#device adw # Advansys wide SCSI adapters
#device aha # Adaptec 154x SCSI adapters
#device aic # Adaptec 15[012]x SCSI adapters, AIC-6[23]60.
#device bt # Buslogic/Mylex MultiMaster SCSI adapters
#device ncv # NCR 53C500
#device nsp # Workbit Ninja SCSI-3
#device stg # TMC 18C30/18C50
# SCSI peripherals
device scbus # SCSI bus (required for SCSI)
device ch # SCSI media changers
device da # Direct Access (disks)
device sa # Sequential Access (tape etc)
device cd # CD
device pass # Passthrough device (direct SCSI access)
device ses # SCSI Environmental Services (and SAF-TE)
# RAID controllers interfaced to the SCSI subsystem
device amr # AMI MegaRAID
#device arcmsr # Areca SATA II RAID
#device asr # DPT SmartRAID V, VI and Adaptec SCSI RAID
#device ciss # Compaq Smart RAID 5*
#device dpt # DPT Smartcache III, IV - See NOTES for options
#device hptmv # Highpoint RocketRAID 182x
#device iir # Intel Integrated RAID
#device ips # IBM (Adaptec) ServeRAID
#device mly # Mylex AcceleRAID/eXtremeRAID
#device twa # 3ware 9000 series PATA/SATA RAID
# RAID controllers
#device aac # Adaptec FSA RAID
#device aacp # SCSI passthrough for aac (requires CAM)
#device ida # Compaq Smart RAID
#device mlx # Mylex DAC960 family
#device pst # Promise Supertrak SX6000
#device twe # 3ware ATA RAID
# atkbdc0 controls both the keyboard and the PS/2 mouse
device atkbdc # AT keyboard controller
device atkbd # AT keyboard
device psm # PS/2 mouse
device vga # VGA video card driver
device splash # Splash screen and screen saver support
# syscons is the default console driver, resembling an SCO console
device sc
# Enable this for the pcvt (VT220 compatible) console driver
#device vt
#options XSERVER # support for X server on a vt console
#options FAT_CURSOR # start with block cursor
device agp # support several AGP chipsets
# Floating point support - do not disable.
device npx
# Power management support (see NOTES for more options)
#device apm
# Add suspend/resume support for the i8254.
device pmtimer
# PCCARD (PCMCIA) support
# PCMCIA and cardbus bridge support
#device cbb # cardbus (yenta) bridge
#device pccard # PC Card (16-bit) bus
#device cardbus # CardBus (32-bit) bus
# Serial (COM) ports
device sio # 8250, 16[45]50 based serial ports
# Parallel port
device ppc
device ppbus # Parallel port bus (required)
device lpt # Printer
device plip # TCP/IP over parallel
device ppi # Parallel port interface device
#device vpo # Requires scbus and da
# If you've got a "dumb" serial or parallel PCI card that is
# supported by the puc(4) glue driver, uncomment the following
# line to enable it (connects to the sio and/or ppc drivers):
#device puc
# PCI Ethernet NICs.
#device de # DEC/Intel DC21x4x (``Tulip'')
device em # Intel PRO/1000 adapter Gigabit Ethernet Card
#device ixgb # Intel PRO/10GbE Ethernet Card
#device txp # 3Com 3cR990 (``Typhoon'')
#device vx # 3Com 3c590, 3c595 (``Vortex'')
# PCI Ethernet NICs that use the common MII bus controller code.
# NOTE: Be sure to keep the 'device miibus' line in order to use these NICs!
#device miibus # MII bus support
#device bfe # Broadcom BCM440x 10/100 Ethernet
#device bge # Broadcom BCM570xx Gigabit Ethernet
#device dc # DEC/Intel 21143 and various workalikes
#device fxp # Intel EtherExpress PRO/100B (82557, 82558)
#device lge # Level 1 LXT1001 gigabit Ethernet
#device nge # NatSemi DP83820 gigabit Ethernet
#device nve # nVidia nForce MCP on-board Ethernet Networking
#device pcn # AMD Am79C97x PCI 10/100(precedence over 'lnc')
#device re # RealTek 8139C+/8169/8169S/8110S
#device rl # RealTek 8129/8139
#device sf # Adaptec AIC-6915 (``Starfire'')
#device sis # Silicon Integrated Systems SiS 900/SiS 7016
#device sk # SysKonnect SK-984x & SK-982x gigabit Ethernet
#device ste # Sundance ST201 (D-Link DFE-550TX)
#device ti # Alteon Networks Tigon I/II gigabit Ethernet
#device tl # Texas Instruments ThunderLAN
#device tx # SMC EtherPower II (83c170 ``EPIC'')
#device vge # VIA VT612x gigabit Ethernet
#device vr # VIA Rhine, Rhine II
#device wb # Winbond W89C840F
#device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'')
# ISA Ethernet NICs. pccard NICs included.
#device cs # Crystal Semiconductor CS89x0 NIC
# 'device ed' requires 'device miibus'
#device ed # NE[12]000, SMC Ultra, 3c503, DS8390 cards
#device ex # Intel EtherExpress Pro/10 and Pro/10+
#device ep # Etherlink III based cards
#device fe # Fujitsu MB8696x based cards
#device ie # EtherExpress 8/16, 3C507, StarLAN 10 etc.
#device lnc # NE2100, NE32-VL Lance Ethernet cards
#device sn # SMC's 9000 series of Ethernet chips
#device xe # Xircom pccard Ethernet
# ISA devices that use the old ISA shims
#device le
# Wireless NIC cards
#device wlan # 802.11 support
#device an # Aironet 4500/4800 802.11 wireless NICs.
#device awi # BayStack 660 and others
#device ral # Ralink Technology RT2500 wireless NICs.
#device wi # WaveLAN/Intersil/Symbol 802.11 wireless NICs.
#device wl # Older non 802.11 Wavelan wireless NIC.
# Pseudo devices.
device loop # Network loopback
device mem # Memory and kernel memory devices
device io # I/O device
device random # Entropy device
device ether # Ethernet support
#device sl # Kernel SLIP
#device ppp # Kernel PPP
device tun # Packet tunnel.
device pty # Pseudo-ttys (telnet etc)
device md # Memory "disks"
device gif # IPv6 and IPv4 tunneling
device faith # IPv6-to-IPv4 relaying (translation)
# The `bpf' device enables the Berkeley Packet Filter.
# Be aware of the administrative consequences of enabling this!
# Note that 'bpf' is required for DHCP.
device bpf # Berkeley packet filter
# USB support
device uhci # UHCI PCI->USB interface
device ohci # OHCI PCI->USB interface
device ehci # EHCI PCI->USB interface (USB 2.0)
device usb # USB Bus (required)
#device udbp # USB Double Bulk Pipe devices
device ugen # Generic
device uhid # "Human Interface Devices"
device ukbd # Keyboard
device ulpt # Printer
device umass # Disks/Mass storage - Requires scbus and da
device ums # Mouse
#device ural # Ralink Technology RT2500USB wireless NICs
#device urio # Diamond Rio 500 MP3 player
#device uscanner # Scanners
# USB Ethernet, requires miibus
#device aue # ADMtek USB Ethernet
#device axe # ASIX Electronics USB Ethernet
#device cdce # Generic USB over Ethernet
#device cue # CATC USB Ethernet
#device kue # Kawasaki LSI USB Ethernet
#device rue # RealTek RTL8150 USB Ethernet
# FireWire support
#device firewire # FireWire bus code
#device sbp # SCSI over FireWire (Requires scbus and da)
#device fwe # Ethernet over FireWire (non-standard!)
options ATKBD_DFLT_KEYMAP
makeoptions ATKBD_DFLT_KEYMAP=us.dvorak
options SC_HISTORY_SIZE=1000
----- kernel config end -----
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