Re: Burning a CD

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Matthew T. O'Connor wrote:
On Tue, 2003-04-29 at 14:05, Shawn wrote:

On Tue, 2003-04-29 at 12:01, Matthew T. O'Connor wrote:

btw, this same exact system still works (can burn CD's) in RH8, so I
know it's not a hardware problem.

The only thing I can think of is that RedHat 8 defaulted to having DMA turned off, whereas RH9 defaults it to on, you might try re-enabling the ide-scsi module and then disabling dma on the CDROM drive using hdparm or a module option.

It may be that DMA is unreliable for your system.


I don't think so as the system has been very stable with DMA enabled for
all devices, the only difference is that RH8 worked with hdd=ide-scsi in
my grub conf.  On RH9 if I put the hdd=ide-scsi back in, I will lock up
with five minutes.  Besides without DMA enabled on the burner and I
going to be able to write disks faster than say 4x?




I took out the hdd=ide-scsi and was able to burn CDs, without the parameter to the kernel.


RH8 stunk for burning CDRs in my situation. I believe that enabling the DMA and locking down magicdev worked to reduce the burning CDs problem.




Jim C.






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