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    SubjectRe: IDE performance drop between 2.4.23 and 2.6.0
    I had never seen this, but could be related:

    hda: ST380023A, ATA DISK drive

    hda: IRQ probe failed (0xfdba)

    hdb: IRQ probe failed (0xfdba)

    hdb: IRQ probe failed (0xfdba)

    ide0 at 0x1f0-0x1f7,0x3f6 on irq 14

    hdc: HL-DT-ST GCE-8520B, ATAPI CD/DVD-ROM drive

    ide1 at 0x170-0x177,0x376 on irq 15

    hda: max request size: 128KiB



    IRQ probe failed? What is this? Any tip?

    Full dmesg:


    Linux version 2.6.0-test11 (root@txiki) (gcc versión 3.3.2 20031022
    (Gentoo Linux 3.3.2-r3, propolice)) #1 Sun Nov 30 13:57:31 CET 2003

    BIOS-provided physical RAM map:

    BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)

    BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)

    BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)

    BIOS-e820: 0000000000100000 - 000000003fff0000 (usable)

    BIOS-e820: 000000003fff0000 - 000000003fff3000 (ACPI NVS)

    BIOS-e820: 000000003fff3000 - 0000000040000000 (ACPI data)

    BIOS-e820: 00000000fec00000 - 00000000fec01000 (reserved)

    BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved)

    BIOS-e820: 00000000ffff0000 - 0000000100000000 (reserved)

    Warning only 896MB will be used.

    Use a HIGHMEM enabled kernel.

    896MB LOWMEM available.

    On node 0 totalpages: 229376

    DMA zone: 4096 pages, LIFO batch:1

    Normal zone: 225280 pages, LIFO batch:16

    HighMem zone: 0 pages, LIFO batch:1

    DMI 2.2 present.

    ACPI: RSDP (v000 Nvidia ) @ 0x000f6b60

    ACPI: RSDT (v001 Nvidia AWRDACPI 0x42302e31 AWRD 0x00000000) @ 0x3fff3000

    ACPI: FADT (v001 Nvidia AWRDACPI 0x42302e31 AWRD 0x00000000) @ 0x3fff3040

    ACPI: MADT (v001 Nvidia AWRDACPI 0x42302e31 AWRD 0x00000000) @ 0x3fff79c0

    ACPI: DSDT (v001 NVIDIA AWRDACPI 0x00001000 MSFT 0x0100000d) @ 0x00000000

    Building zonelist for node : 0

    Kernel command line: BOOT_IMAGE=260test11 ro root=304

    Initializing CPU#0

    PID hash table entries: 4096 (order 12: 32768 bytes)

    Detected 1883.387 MHz processor.

    Console: colour VGA+ 80x25

    Memory: 904716k/917504k available (1855k kernel code, 12004k reserved,
    724k data, 116k init, 0k highmem)

    Calibrating delay loop... 3727.36 BogoMIPS

    Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)

    Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)

    Mount-cache hash table entries: 512 (order: 0, 4096 bytes)

    CPU: After generic identify, caps: 0383fbff c1c3fbff 00000000 00000000

    CPU: After vendor identify, caps: 0383fbff c1c3fbff 00000000 00000000

    CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)

    CPU: L2 Cache: 512K (64 bytes/line)

    CPU: After all inits, caps: 0383fbff c1c3fbff 00000000 00000020

    Intel machine check architecture supported.

    Intel machine check reporting enabled on CPU#0.

    CPU: AMD Athlon(tm) stepping 00

    Enabling fast FPU save and restore... done.

    Enabling unmasked SIMD FPU exception support... done.

    Checking 'hlt' instruction... OK.

    POSIX conformance testing by UNIFIX

    NET: Registered protocol family 16

    PCI: PCI BIOS revision 2.10 entry at 0xfb420, last bus=2

    PCI: Using configuration type 1

    mtrr: v2.0 (20020519)

    ACPI: Subsystem revision 20031002

    ACPI: IRQ 9 was Edge Triggered, setting to Level Triggerd

    ACPI: Interpreter enabled

    ACPI: Using PIC for interrupt routing

    ACPI: PCI Root Bridge [PCI0] (00:00)

    PCI: Probing PCI hardware (bus 00)

    ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT]

    ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.HUB0._PRT]

    ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.AGPB._PRT]

    ACPI: PCI Interrupt Link [LNK1] (IRQs 3 4 5 6 7 10 *11 12 14 15)

    ACPI: PCI Interrupt Link [LNK2] (IRQs 3 4 5 6 7 10 11 12 14 15)

    ACPI: PCI Interrupt Link [LNK3] (IRQs 3 4 5 6 7 10 *11 12 14 15)

    ACPI: PCI Interrupt Link [LNK4] (IRQs 3 4 *5 6 7 10 11 12 14 15)

    ACPI: PCI Interrupt Link [LNK5] (IRQs 3 4 5 6 7 10 11 12 14 15)

    ACPI: PCI Interrupt Link [LUBA] (IRQs 3 4 5 6 7 10 *11 12 14 15)

    ACPI: PCI Interrupt Link [LUBB] (IRQs 3 4 *5 6 7 10 11 12 14 15)

    ACPI: PCI Interrupt Link [LMAC] (IRQs 3 4 5 6 7 *10 11 12 14 15)

    ACPI: PCI Interrupt Link [LAPU] (IRQs 3 4 5 6 7 *10 11 12 14 15)

    ACPI: PCI Interrupt Link [LACI] (IRQs 3 4 *5 6 7 10 11 12 14 15)

    ACPI: PCI Interrupt Link [LMCI] (IRQs 3 4 5 6 7 10 11 12 14 15)

    ACPI: PCI Interrupt Link [LSMB] (IRQs 3 4 5 6 7 *10 11 12 14 15)

    ACPI: PCI Interrupt Link [LUB2] (IRQs 3 4 5 6 7 *10 11 12 14 15)

    ACPI: PCI Interrupt Link [LFIR] (IRQs 3 4 5 6 7 10 *11 12 14 15)

    ACPI: PCI Interrupt Link [L3CM] (IRQs 3 4 5 6 7 10 11 12 14 15)

    ACPI: PCI Interrupt Link [LIDE] (IRQs 3 4 5 6 7 10 11 12 14 15)

    ACPI: PCI Interrupt Link [APC1] (IRQs *16)

    ACPI: PCI Interrupt Link [APC2] (IRQs 17)

    ACPI: PCI Interrupt Link [APC3] (IRQs *18)

    ACPI: PCI Interrupt Link [APC4] (IRQs *19)

    ACPI: PCI Interrupt Link [APCE] (IRQs 16)

    ACPI: PCI Interrupt Link [APCF] (IRQs 20 21 22)

    ACPI: PCI Interrupt Link [APCG] (IRQs 20 21 22)

    ACPI: PCI Interrupt Link [APCH] (IRQs 20 21 22)

    ACPI: PCI Interrupt Link [APCI] (IRQs 20 21 22)

    ACPI: PCI Interrupt Link [APCJ] (IRQs 20 21 22)

    ACPI: PCI Interrupt Link [APCK] (IRQs 20 21 22)

    ACPI: PCI Interrupt Link [APCS] (IRQs *23)

    ACPI: PCI Interrupt Link [APCL] (IRQs 20 21 22)

    ACPI: PCI Interrupt Link [APCM] (IRQs 20 21 22)

    ACPI: PCI Interrupt Link [AP3C] (IRQs 20 21 22)

    ACPI: PCI Interrupt Link [APCZ] (IRQs 20 21 22)

    Linux Plug and Play Support v0.97 (c) Adam Belay

    ACPI: PCI Interrupt Link [LSMB] enabled at IRQ 10

    ACPI: PCI Interrupt Link [LUBA] enabled at IRQ 11

    ACPI: PCI Interrupt Link [LUBB] enabled at IRQ 5

    ACPI: PCI Interrupt Link [LUB2] enabled at IRQ 10

    ACPI: PCI Interrupt Link [LMAC] enabled at IRQ 10

    ACPI: PCI Interrupt Link [LAPU] enabled at IRQ 10

    ACPI: PCI Interrupt Link [LACI] enabled at IRQ 5

    ACPI: PCI Interrupt Link [LFIR] enabled at IRQ 11

    ACPI: PCI Interrupt Link [LNK1] enabled at IRQ 11

    ACPI: PCI Interrupt Link [LNK3] enabled at IRQ 11

    ACPI: PCI Interrupt Link [LNK4] enabled at IRQ 5

    PCI: Using ACPI for IRQ routing

    PCI: if you experience problems, try using option 'pci=noacpi' or even
    'acpi=off'

    devfs: v1.22 (20021013) Richard Gooch (rgooch@atnf.csiro.au)

    devfs: boot_options: 0x0

    Installing knfsd (copyright (C) 1996 okir@monad.swb.de).

    ACPI: Power Button (FF) [PWRF]

    ACPI: Fan [FAN] (on)

    ACPI: Processor [CPU0] (supports C1)

    ACPI: Thermal Zone [THRM] (33 C)

    pty: 256 Unix98 ptys configured

    Using anticipatory io scheduler

    Floppy drive(s): fd0 is 1.44M

    FDC 0 is a post-1991 82077

    Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2

    ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx

    NFORCE2: IDE controller at PCI slot 0000:00:09.0

    NFORCE2: chipset revision 162

    NFORCE2: not 100% native mode: will probe irqs later

    NFORCE2: BIOS didn't set cable bits correctly. Enabling workaround.

    ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx

    NFORCE2: 0000:00:09.0 (rev a2) UDMA133 controller

    ide0: BM-DMA at 0xf000-0xf007, BIOS settings: hda:DMA, hdb:DMA

    ide1: BM-DMA at 0xf008-0xf00f, BIOS settings: hdc:DMA, hdd:DMA

    hda: ST380023A, ATA DISK drive

    hda: IRQ probe failed (0xfdba)

    hdb: IRQ probe failed (0xfdba)

    hdb: IRQ probe failed (0xfdba)

    ide0 at 0x1f0-0x1f7,0x3f6 on irq 14

    hdc: HL-DT-ST GCE-8520B, ATAPI CD/DVD-ROM drive

    ide1 at 0x170-0x177,0x376 on irq 15

    hda: max request size: 128KiB

    hda: 156301488 sectors (80026 MB) w/2048KiB Cache, CHS=65535/16/63,
    UDMA(100)

    /dev/ide/host0/bus0/target0/lun0: p1 p2 < p5 > p3 p4

    hdc: ATAPI 40X CD-ROM CD-R/RW drive, 2048kB Cache, UDMA(33)

    Uniform CD-ROM driver Revision: 3.12

    mice: PS/2 mouse device common for all mice

    input: ImPS/2 Generic Wheel Mouse on isa0060/serio1

    serio: i8042 AUX port at 0x60,0x64 irq 12

    input: AT Translated Set 2 keyboard on isa0060/serio0

    serio: i8042 KBD port at 0x60,0x64 irq 1

    NET: Registered protocol family 2

    IP: routing cache hash table of 8192 buckets, 64Kbytes

    TCP: Hash tables configured (established 262144 bind 65536)

    NET: Registered protocol family 1

    NET: Registered protocol family 17

    found reiserfs format "3.6" with standard journal

    Reiserfs journal params: device hda4, size 8192, journal first block 18,
    max trans len 1024, max batch 900, max commit age 30, max trans age 30

    reiserfs: checking transaction log (hda4) for (hda4)

    Using r5 hash to sort names

    VFS: Mounted root (reiserfs filesystem) readonly.

    Freeing unused kernel memory: 116k freed

    Adding 498004k swap on /dev/hda3. Priority:-1 extents:1

    SCSI subsystem initialized

    nvnet: no version for "struct_module" found: kernel tainted.

    nvnet: module license 'NVIDIA' taints kernel.

    PCI: Setting latency timer of device 0000:00:04.0 to 64

    nvnet: selecting duplex setting as auto duplex mode.

    nvnet: selecting speed settings as auto-negotiation.

    nvnet: Optimizing driver for throughput

    Linux agpgart interface v0.100 (c) Dave Jones

    agpgart: Detected NVIDIA nForce2 chipset

    agpgart: Maximum main memory to use for agp memory: 816M

    agpgart: AGP aperture is 64M @ 0xd0000000

    drivers/usb/core/usb.c: registered new driver usbfs

    drivers/usb/core/usb.c: registered new driver hub

    Real Time Clock Driver v1.12

    PCI: Setting latency timer of device 0000:00:06.0 to 64

    intel8x0: clocking to 47491

    Linux video capture interface: v1.00

    bttv: driver version 0.9.12 loaded

    bttv: using 8 buffers with 2080k (520 pages) each for capture

    bttv: Bt8xx card found (0).

    bttv0: Bt878 (rev 2) at 0000:01:08.0, irq: 11, latency: 32, mmio: 0xd4000000

    bttv0: using: Prolink PixelView PlayTV pro [card=37,insmod option]

    bttv0: using tuner=2

    bttv0: i2c: checking for TDA9875 @ 0xb0... not found

    bttv0: i2c: checking for TDA7432 @ 0x8a... not found

    tuner: chip found @ 0xc2

    tuner(bttv): type forced to 1 (Philips PAL_I (FI1246 and compatibles))
    [insmod]

    tuner: type already set (1)

    registering 0-0061

    bttv0: registered device video0

    bttv0: registered device vbi0

    bttv0: PLL: 28636363 => 35468950 .. ok

    ehci_hcd 0000:00:02.2: EHCI Host Controller

    PCI: Setting latency timer of device 0000:00:02.2 to 64

    ehci_hcd 0000:00:02.2: irq 10, pci mem f8a31000

    ehci_hcd 0000:00:02.2: new USB bus registered, assigned bus number 1

    PCI: cache line size of 64 is not supported by device 0000:00:02.2

    ehci_hcd 0000:00:02.2: USB 2.0 enabled, EHCI 1.00, driver 2003-Jun-13

    hub 1-0:1.0: USB hub found

    hub 1-0:1.0: 6 ports detected

    ohci_hcd: 2003 Oct 13 USB 1.1 'Open' Host Controller (OHCI) Driver (PCI)

    ohci_hcd: block sizes: ed 64 td 64

    ohci_hcd 0000:00:02.0: OHCI Host Controller

    PCI: Setting latency timer of device 0000:00:02.0 to 64

    ohci_hcd 0000:00:02.0: irq 11, pci mem f8a40000

    ohci_hcd 0000:00:02.0: new USB bus registered, assigned bus number 2

    hub 2-0:1.0: USB hub found

    hub 2-0:1.0: 3 ports detected

    ohci_hcd 0000:00:02.1: OHCI Host Controller

    PCI: Setting latency timer of device 0000:00:02.1 to 64

    ohci_hcd 0000:00:02.1: irq 5, pci mem f8a42000

    ohci_hcd 0000:00:02.1: new USB bus registered, assigned bus number 3

    hub 3-0:1.0: USB hub found

    hub 3-0:1.0: 3 ports detected

    vmmon: no version magic, tainting kernel.

    vmmon: module license 'unspecified' taints kernel.

    /dev/vmmon: Module vmmon: registered with major=10 minor=165

    /dev/vmmon: Module vmmon: initialized

    vmnet: no version magic, tainting kernel.

    vmnet: module license 'unspecified' taints kernel.

    /dev/vmnet: open called by PID 4795 (vmnet-bridge)

    /dev/vmnet: hub 0 does not exist, allocating memory.

    /dev/vmnet: port on hub 0 successfully opened

    bridge-eth0: up

    bridge-eth0: attached

    /dev/vmnet: open called by PID 4837 (vmnet-natd)

    /dev/vmnet: hub 8 does not exist, allocating memory.

    /dev/vmnet: port on hub 8 successfully opened

    /dev/vmnet: open called by PID 5227 (vmnet-netifup)

    /dev/vmnet: port on hub 8 successfully opened

    /dev/vmnet: open called by PID 5226 (vmnet-netifup)

    /dev/vmnet: hub 1 does not exist, allocating memory.

    /dev/vmnet: port on hub 1 successfully opened

    /dev/vmnet: open called by PID 5265 (vmnet-dhcpd)

    /dev/vmnet: port on hub 8 successfully opened

    /dev/vmnet: open called by PID 5258 (vmnet-dhcpd)

    /dev/vmnet: port on hub 1 successfully opened

    fglrx: module license 'Proprietary. (C) 2002 - ATI Technologies,
    Starnberg, GERMANY' taints kernel.

    [fglrx] Maximum main memory to use for locked dma buffers: 804 MBytes.

    [fglrx] module loaded - fglrx 3.2.8 [Sep 21 2003] on minor 0

    [fglrx] AGP detected, AgpState = 0x1f00421b (hardware caps of chipset)

    agpgart: Found an AGP 3.0 compliant device at 0000:00:00.0.

    agpgart: Putting AGP V3 device at 0000:00:00.0 into 8x mode

    agpgart: Putting AGP V3 device at 0000:02:00.0 into 8x mode

    [fglrx] AGP enabled, AgpCommand = 0x1f004312 (selected caps)

    [fglrx] free AGP = 54800384

    [fglrx] max AGP = 54800384

    [fglrx] free LFB = 126099456

    [fglrx] max LFB = 126099456

    [fglrx] free Inv = 0

    [fglrx] max Inv = 0

    [fglrx] total Inv = 0

    [fglrx] total TIM = 0

    [fglrx] total FB = 0

    [fglrx] total AGP = 16384




    Ed Sweetman wrote:

    > Perhaps a dmesg output can provide some commanility with other people
    > seeing a loss? Maybe some side by side's of 2.4 performance tests?
    >
    > Also, you're not nicing any of the tests from 0, right?
    >
    >
    >
    > Luis Miguel García wrote:
    >
    >> Hello:
    >>
    >> Any of you knows how to look at this results? They still seems very
    >> low for me. It's an AMD Athlon 2500+. Hard Disc Seagate Barracuda ATA
    >> V. Nforce-2 motherboard.
    >>
    >> kernel 2.6.0-test11
    >>
    >> Any tip? Or is this correct?
    >>
    >> bonnie++
    >>
    >> Version 1.03 ------Sequential Output------ --Sequential Input-
    >> --Random-
    >> -Per Chr- --Block-- -Rewrite- -Per Chr- --Block--
    >> --Seeks--
    >> Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec
    >> %CP /sec %CP
    >> txiki 2G 21270 87 32856 11 10533 3 10962 51 28744 5
    >> 157.0 0
    >> ------Sequential Create------ --------Random
    >> Create--------
    >> -Create-- --Read--- -Delete-- -Create-- --Read---
    >> -Delete--
    >> files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP
    >> /sec %CP
    >> 16 21675 96 +++++ +++ 23523 100 23700 99 +++++ +++
    >> 13062 61
    >> txiki,2G,21270,87,32856,11,10533,3,10962,51,28744,5,157.0,0,16,21675,96,+++++,++
    >>
    >> +,23523,100,23700,99,+++++,+++,13062,61
    >> bash-2.05b$
    >
    >
    >
    >

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