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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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