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SubjectRe: Serverworks CSB5 IDE-DMA Problem (2.4 and 2.6)
Bartlomiej Zolnierkiewicz wrote:
> On Friday 10 of October 2003 10:57, Stefan Kaltenbrunner wrote:
>
>>Bartlomiej Zolnierkiewicz wrote:
>>
>>>2.4.18, 2.4.19 w/o APIC and ACPI
>>
>>ok 2.4.18 (dmesg at http://www.kaltenbrunner.cc/files/dmesg2418.txt)
>>seems to work better(although not as fast as I would like to have it)
>>but I suspect that:
>>
>>ide1: Speed warnings UDMA 3/4/5 is not functional.
>>ide0: Speed warnings UDMA 3/4/5 is not functional.
>>
>>is quite interesting - if these UDMA-modes do not work reliable - why do
>>they get enabled with later kernels(not that I would have a problem with
>>getting UDMA > 2 working *g*) ?
>
>
> 2.4.22 has 80-pin cable dedetecion for more vendors.
> You can try passing "ide0=ata66 ide1=ata66" boot options.

tried that - worked well during the weekend (low io-traffic).
but today it broke again:


hda: dma_timer_expiry: dma status == 0x61
hda: error waiting for DMA
hda: dma timeout retry: status=0xd0 { Busy }

hda: DMA disabled
hdb: DMA disabled
ide0: reset: success
blk: queue c034db40, I/O limit 4095Mb (mask 0xffffffff)


more ideas to fix this ?

thanks

Stefan

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