Last Attempt at fixing DVD drives before abandoning Fedora Core
Jeff Vian
jvian10 at charter.net
Sun Jul 24 15:18:31 UTC 2005
On Sat, 2005-07-23 at 22:29 -0400, Jim Cornette wrote:
> Dave Gutteridge wrote:
>
> >
> >> What happens if you boot with the ide=nodma argument to the kernel?
> >>
> >>
<snip>
> >
> >> Do you have the jumpers on the DVD drive set appropriately for master
> >> and slave operation?
> >>
> >>
> > I dual boot to WinXP where the drives work perfectly. And have done so
> > under XP for years. So I am skeptical that it is a hardware settings
> > issue. If Linux handles such issues differently than WinXP, then I
> > would be willing to start making adjustments directly on the physical
> > hardware. But I would have to be told why and how first, as I would
> > think that under normal circumstances Windows and Linux shouldn't need
> > different CMOS or jumper settings for the same hardware.
>
> Neither one should need different settings from each other in my view.
> Hardware settings for the jumper should show up in either. I run a DVD
> burner as secondary on the secondary IDE controller and also have a
> CDROM burner as master on the secondary controller without problems. The
> Jumper is set to master on the CDROM burner and set to slave on the DVD
> burner. I would not think that you got away with two slaves on the bus
> for a long time.
>
I have seen several instances where jumpering the drive to master/slave
and using it on a cable-select cable caused problems. Since most (if
not all) of the newer cables are cable-select I have jumpered all my
drives (my own as well as those i build for sale) to CS and have had no
problems. It is possible he is seeing this symptom.
However, I also have problems with reading data DVDs on my drive. Never
a problem with a movie DVD but just the data ones.
> >
> >> Where are you getting Xine from?
> >>
> >>
> > I followed the instructions on this page:
> > http://stanton-finley.net/fedora_core_4_installation_notes.html
>
>
> I installed from livna (FC3 version, though running FC4) and it worked
> fine for me.
>
> >
> >> Try searching for mdma2 and see what you come up with.
> >>
> > Search in what sense? What command is the most appropriate to type at
> > the prompt? I am new to Fedora/Linux, so please be explicit.
>
> I meant to search the Internet for mdma2 and other modes. It mght clue
> you in to what mode would work best for you. I don't know much about
> different modes that the devices. When you are reading the DVDs do they
> change modes? I have no idea myself.
>
> Mine shows the below and seems to work fine. It selects mdma2 as the
> current active mode also.
> hdparm -i /dev/hdc
>
> /dev/hdc:
>
> Model=TOSHIBA DVD-ROM SD-R2312, FwRev=1905, SerialNo=239R318093
> Config={ Fixed Removeable DTR<=5Mbs DTR>10Mbs nonMagnetic }
> RawCHS=0/0/0, TrkSize=0, SectSize=0, ECCbytes=0
> BuffType=unknown, BuffSize=2048kB, MaxMultSect=0
> (maybe): CurCHS=0/0/0, CurSects=0, LBA=yes, LBAsects=0
> IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
> PIO modes: pio0 pio1 pio2 pio3 pio4
> DMA modes: sdma0 sdma1 sdma2 mdma0 mdma1 *mdma2
> AdvancedPM=no
> Drive conforms to: ATA/ATAPI-5 T13 1321D revision 3:
>
> * signifies the current active mode
>
> >
> >> I found the link below that may show an earlier RH related thread you
> >> can sift through.
> >>
> > What link is that? I did not see one anywhere following this statement.
>
> I failed to paste the link. It was for an older redhat mailing list
> discussion.
>
> https://www.redhat.com/archives/redhat-list/2003-February/msg00410.html
> http://linuxgazette.net/issue79/punk.html
> http://www.linuxquestions.org/questions/history/339236
>
> >
> > Dave
> >
> Sorry my questions or seggestions don't help you out with your problem.
> I'm intrigued by the mess your system and Linux seem to be showing you.
> Fortunately, I have not yet experienced the sort of problem you are having.
> Bowing out,
> Jim
>
> --
> Chewing gum on /dev/sd3c
>
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