DVD Writer / Playing DVD Problems
I have a Pioneer A05 DVD Writer:
[root@siren root]# dmesg | grep CD
hdc: PIONEER DVD-RW DVR-105, ATAPI CD/DVD-ROM drive
hdc: ATAPI 63X DVD-ROM DVD-R CD-R/RW drive, 2000kB Cache, UDMA(33)
Uniform CD-ROM driver Revision: 3.12
The following configuration works great for playing DVD. (So they are not choppy)
alias parport_lowlevel parport_pc
alias eth0 3c59x
alias eth1 3c59x
alias scsi_hostadapter aic7xxx
alias sound-slot-0 emu10k1
post-install sound-slot-0 /bin/aumix-minimal -f /etc/.aumixrc -L >/dev/null 2>&1 || :
pre-remove sound-slot-0 /bin/aumix-minimal -f /etc/.aumixrc -S >/dev/null 2>&1 || :
alias usb-controller usb-uhci
alias char-major-195 NVdriver
options ide-cd dma=1
probeall aic7xxx ide-scsi
alias scis_hostadapter1 ide-scsi
#options ide-cd ignore=hdc
But cdrecord and dvdrecord can't find the drive with -scanbus. Thus I can't burn CD/DVDs. If I uncomment the "options ide-cd ignore=hdc" line cdrecord and dvdrecord can find the drive and I can burn CD/DVDs but.... playing DVD's is very choppy. (because DMA is not active)
Any ideas how I can have both configurations working?
you could try to run
in your distro of choice :})
[root@siren root]# hdparm -d 1 -u 1 /dev/hdc
setting unmaskirq to 1 (on)
setting using_dma to 1 (on)
unmaskirq = 1 (on)
using_dma = 1 (on)
[root@siren root]# cdrecord -scanbus
Cdrecord 2.01a01 (i686-pc-linux-gnu) Copyright (C) 1995-2002 Jrg Schilling
cdrecord: No such file or directory. Cannot open '/dev/pg*'. Cannot open SCSI driver.
cdrecord: For possible targets try 'cdrecord -scanbus'. Make sure you are root.
cdrecord: For possible transport specifiers try 'cdrecord dev=help'.
If I uncomment the line hdparm doesn't find /dev/hdc... of course.
DVD Writer problem fixed
For anyone who has a similar problem.
I took out the "options ide-cd dma=1" line and everything is working great now.
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