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.
