[paranoia] SOLVED: Problems with cdparanoia
Peron, Stéphane
stephane.peron at dcmc.creditlyonnais.fr
Fri Dec 6 09:05:47 PST 2002
When I start grip, it scan my cdrom and shows with cddb the name of all
files ...
It can access the cdrom without any problem ...
I select one file and then clic on "Extract" ... then I have the message
"Can not open cdrom device"
I think it is a problem of libparanoia
Stéphane
<p>I'm not sure, because I don't have grip, but I believe there is a dialog box
or something to set the device that grip uses. I think it should be /dev/sg0
On Fri, 6 Dec 2002 16:20:24 +0100
"Peron, Stéphane" <stephane.peron at dcmc.creditlyonnais.fr> wrote:
> I can add that without the emulation of scsi (I mean when the cdrom is
used
> as an IDE drive).... libparanoia works very well.
>
> So, it comes from my scsi configuration or a bug in libparanoia ...
>
> -----Message d'origine-----
> De : Sims, Ted [mailto:ted at tedsims.com]
> Envoyé : vendredi 6 décembre 2002 13:51
> À : paranoia at xiph.org
> Objet : Re: RE : [paranoia] SOLVED: Problems with cdparanoia
>
>
> You do not have to pass "hdc=ide-scsi" with the config I explained below.
>
> I'm afraid I don't know about your libparanoia problem, but I'm sure
someone
> on this list should know.
>
> Kindest regards
>
> On Fri, 6 Dec 2002 11:26:47 +0100
> "Peron, Stéphane" <stephane.peron at dcmc.creditlyonnais.fr> wrote:
>
> > Hi ....
> >
> > Thanks Sims .. from now I can read and burn without any problem ....
> >
> > But I can't ripp with libparanoia .... that lib doesn't seem to find my
> > drive.
> > For example, when I run grip, my cdrom is read, I can select files to
> > extract and when I try to dot it, I have the following message :
> > "Can't open the cdrom drive" or something like this.
> >
> > thanks for your help !
> >
> > Stéphane PERON
> >
> > PS : So... do I have to pass "hdc=ide-scsi "with the config explained
> below
> > ?
> >
> > -----Message d'origine-----
> > De : Sims, Ted [mailto:ted at tedsims.com]
> > Envoyé : mardi 3 décembre 2002 00:58
> > À : paranoia at xiph.org
> > Objet : Re: [paranoia] SOLVED: Problems with cdparanoia
> >
> >
> > Here is the setup I always use which works well...
> >
> > (1) At compile time-
> > (a) ide atapi cdrom _off_
> > (b) scsi cdrom support _on_
> > (c) scsi generic support _on_
> >
> > (2) So we can read the cdrom with the expected device
> > ln -s /dev/sr0 /dev/cdrom
> >
> > (3) For writing to the cdrom, use device /dev/sg0 (or, on some systems,
> > /dev/scd0)
> >
> > If set up this way, it is not necessary to pass 'hdx=ide-scsi' to the
> kernel
> > at boot. The messages at boot will include something like this:
> >
> > hdc: LITE-ON LTR-12101B, ATAPI CD/DVD-ROM drive
> > <snip>
> > SCSI subsystem driver Revision: 1.00
> > scsi0 : SCSI host adapter emulation for IDE ATAPI devices
> > Vendor: LITE-ON Model: LTR-12101B Rev: LS3B
> > Type: CD-ROM ANSI SCSI revision: 02
> > Attached scsi CD-ROM sr0 at scsi0, channel 0, id 0, lun 0
> > Uniform CD-ROM driver Revision: 3.12
> > sr0: scsi3-mmc drive: 32x/32x writer cd/rw xa/f
> >
> > indicating that scsi driver "got it". You won't be able to use (or need)
> the
> > /dev/hdc device.
> >
> > -Ted
> >
> >
> >
> >
> > On 02 Dec 2002 01:43:29 -0700
> > Kim Lux <lux at diesel-research.com> wrote:
> >
> > > Hi people
> > >
> > > Disclaimer: I'm a linux newbie. Some of this may be incorrect.
> > >
> > > I spent a good day troubleshooting cdparanoia crashing my RH8 linux
> > > install. I traced the problem to a conflict between two kernel
options
> > > involving SCSI operation of an IDE/ATAPI CDROM drive.
> > >
> > > Related posts: "What is the difference between /dev/sg0, /dev/scd0..."
> > > and
> > > "cdparanoia crashes linx, hdd loses interrupt, can't kill process"
> > > These
> > > posts were made to linux.redhat, etc. over the weekend.
> > >
> > > Background Info
> > >
> > > Frequently, certain CDROM applications ie cdparanoia and cd burning
> > > require
> > > SCSI access to an IDE/ATAPI CDROM device because it offers a richer
set
> > > of features
> > > to control it.
> > >
> > > The default manner of CDROM control in a stock Linux kernel is via the
> > > ATAPI interface. In fact, it appears to me that unless the ATAPI
> > > interface is turned off as a kernel option, the CDROM drive will be
> > > accessed
> > > this way no matter what options might be selected elsewhere. (Ie: grub
> > > and
> > > lilo)
> > >
> > > Symptoms Of a IDE/ATAPI SCSI CDROM Problem
> > >
> > > - linux crashes or becomes unresponsive when accessing the CDROM
> > > - the message "hdx lost interrupt" appears (x = CDROM drive)
> > > - CDROM applications hang
> > > - improper operation of the CDROM in general
> > > - your operation require SCSI CDROM access
> > > - a dirty dmesg printout after CDROM operation
> > > - the process using the CDROM won't kill after crashing
> > >
> > > Root Problem
> > >
> > > IDE-ATAPI CDROM operation becomes unstable under SCSI emulation if
both
> > > of the following options are
> > > selected:
> > >
> > > a) SCSI CDROM Support
> > > b) IDE-SCSI Emulation
> > >
> > > SCSI CDROM support is enabled to allow the use of a true SCSI CDROM
> > > IDE-SCSI Emulation is enabled to allow Linux to emulate a SCSI CDROM
> > > when
> > > accessing an IDE CDROM.
> > >
> > > WARNING: There may be more to this issue than resolving these two
> > > options.
> > > My CDROM works OK with these two options resolved. Others are saying
> > > that
> > > they need to disable all the low level SCSI drivers in the kernel.
> > >
> > >
> > > So... to set a CDROM up for SCSI access, one should perform the
> > > following:
> > >
> > > a) check that the line hdx=ide-scsi appears in your boot loader (ie
lilo
> > > or
> > > grup.) x = the position of the cdrom drive ie hda for primary master,
> > > hdb
> > > for primary slave, hdc for secondary master, etc. This line will
> > > request
> > > that linux operate the CDROM in SCSI emulation mode
> > >
> > > b) in the kernel options, the ATAPI CDROM support MUST be turned OFF.
> > > This option is selected under ATA/IDE/MFM/RLL Support-> ATA/IDE..
Block
> > > Devices-> Include IDE/ATAPI CDROM Support. Turning this option off
will
> > > force Linux to access the CDROM by another method.
> > >
> > > c) in the kernel options, in the same area, SCSI Emulation Support
must
> > > be
> > > turned ON. This allows Linux to access the EDI/ATAPI CDROM via the
SCSI
> > > emulation interface.
> > >
> > > d) in the kernel options, Under SCSI Support, turn off SCSI CDROM
> > > Support.
> > > SCSI CDROM Support is used to access a real SCSI CDROM.
> > >
> > > e) in /dev/, set the /cdrom link to point to /hdd. Actually I am not
> > > sure
> > > about this.
> > >
> > > f) It might or might not help to disable autorun or at least disable
the
> > > CDROM player application from attempting to control the CDROM device.
> > >
> > > I hope this helps someone.
> > >
> > > Nobody
> > >
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