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    SubjectRe: Testing IDE-TCQ and Taskfile - doesn't work nicely:)

    On Tue, 24 Jun 2003, Jan-Benedict Glaw wrote:

    <...>

    > > TCQ shouldn't be enabled on hdc, you have two drives on second ide
    > > channel and current TCQ driver design allows only one drive per channel,
    > > so proper fix is to not enable TCQ :-).
    >
    > Your patch works for me - TCQ gets no longer stitched on while I've
    > configured to default ON, queue depth 32:
    >
    > Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
    > ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
    > PIIX4: IDE controller at PCI slot 00:07.1
    > PIIX4: chipset revision 1
    > PIIX4: not 100% native mode: will probe irqs later
    > ide0: BM-DMA at 0xf000-0xf007, BIOS settings: hda:pio, hdb:pio
    > ide1: BM-DMA at 0xf008-0xf00f, BIOS settings: hdc:pio, hdd:pio
    > hda: WDC AC2850F, ATA DISK drive
    > hdb: IC35L040AVER07-0, ATA DISK drive
    > ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
    > hdc: IC35L120AVV207-0, ATA DISK drive
    > hdd: Maxtor 4W100H6, ATA DISK drive
    > ide1 at 0x170-0x177,0x376 on irq 15
    > hda: max request size: 128KiB
    > hda: task_no_data_intr: status=0x51 { DriveReady SeekComplete Error }
    > hda: task_no_data_intr: error=0x04 { DriveStatusError }
    > hda: 1667232 sectors (854 MB) w/64KiB Cache, CHS=1654/16/63, DMA
    > hda: hda1 hda2 hda3
    > hdb: max request size: 128KiB
    > hdb: host protected area => 1
    > hdb: 80418240 sectors (41174 MB) w/1916KiB Cache, CHS=79780/16/63, UDMA(33)
    > hdb: hdb1 hdb2 hdb3 hdb4
    > hdc: max request size: 1024KiB
    > hdc: host protected area => 1
    > hdc: 241254720 sectors (123522 MB) w/1821KiB Cache, CHS=15017/255/63, UDMA(33)
    > hdc: hdc1 < hdc5 hdc6 hdc7 hdc8 hdc9 hdc10 hdc11 hdc12 hdc13 hdc14 hdc15 hdc16 hdc17 >
    > hdd: max request size: 128KiB
    > hdd: host protected area => 1
    > hdd: 195711264 sectors (100204 MB) w/2048KiB Cache, CHS=194158/16/63, UDMA(33)
    > hdd: hdd1 < hdd5 hdd6 hdd7 hdd8 hdd9 hdd10 hdd11 hdd12 hdd13 hdd14 >

    There is no info about IDE trying (then failing) to enable TCQ ?

    --
    Bartlomiej

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