Re: 2.2.4: Problems writing CDs (ide-scsi emulation, CRW-1622)

Andre M. Hedrick (hedrick@Astro.Dyer.Vanderbilt.Edu)
Tue, 23 Mar 1999 23:45:40 -0600 (CST)


On Tue, 23 Mar 1999, Christoph Lameter wrote:

> 2.2.4 and CRW1622 still do not go together. There is a write error after
> writing 32K bytes. The same operation works just fine when I boot 2.0.35.

> Mar 23 21:14:29 cyrix200 kernel: hdc: irq timeout: status=0xd0 { Busy }

> Mar 23 21:14:30 cyrix200 kernel: hdc: ATAPI reset complete
> Mar 23 21:14:30 cyrix200 kernel: hdc: irq timeout: status=0xd0 { Busy }

> Mar 23 21:14:33 cyrix200 kernel: hdc: ATAPI reset complete
> Mar 23 21:14:33 cyrix200 kernel: hdc: irq timeout: status=0xd0 { Busy }

Let me guess::
Under 2.0.35 you do not have DMA support for your CD-RW, correct?
Now you have DMA support for your CD-RW, correct?

Try a recompile and dissable CONFIG_IDEDMA_AUTO option.
Add to your append line in /etc/lilo.conf

append="ide0=dma"

Then, let us know if that fixes the problem.

Andre Hedrick
The Linux IDE guy -- http://www.dyer.vanderbilt.edu/server/udma/

APC UPS Daemon Support Center.
http://www.brisse.dk/site/apcupsd/
Going FSF/GNU or GPL2 source soon.

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