On Tue, 2003-03-11 at 16:51, Felipe Alfaro Solana wrote: > ----- Original Message ----- > From: Arjan van de Ven <[EMAIL PROTECTED]> > Date: 11 Mar 2003 14:35:09 +0100 > To: [EMAIL PROTECTED] > Subject: Re: hdparm settings > > > On Tue, 2003-03-11 at 14:25, [EMAIL PROTECTED] wrote: > >>... > > before phoebe we defaulted to DMA off for cd(rw) drives because a LOT of > > them gave problems. A defect in the kernels ide code has been found and > > fixed so now it seems to be mostly ok (with the exception of a blacklist > > where the kernel will default to dma off) > > You mention a fix for ide code... Is that fix applied against 2.4.20-2.54? > > I have a Pioneer DVD-ROM DVD-500M 010. kernel 2.4.20-2.54 > enables DMA by default for it. However, after reading some files > a few ATAPI errors appear, the ATAPI bus is reset and DMA is disabled. > > More curiously is that enable IDE-SCSI support for the DVD-ROM > and DMA, doesn't cause such errors. Why do errors appear when > not using IDE-SCSI? Why they do not appear when using IDE-SCSI? >
please file this in bugzilla
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