Re: cdrom was /dev/hdd now /dev/scd0. Can someone explain?
Jerome Acks Jr wrote:
>
> woody box with 2.4.9 kernel I compiled. I've been using this kernel
> since 23 Sep 2001. For over a year, /dev/cdrom has been linked to
> /dev/hdd, and "mount /dev/cdrom" worked with no problem. /etc/fstab
> entry is:
> /dev/cdrom /cdrom iso9660 defaults,ro,user,noauto,exec 0 0
>
> Tonight mount /dev/cdrom returned this error message:
> mount: wrong fs type, bad option, bad superblock on /dev/hdd,
> or too many mounted file systems
> (could this be the IDE device where you in fact use
> ide-scsi so that sr0 or sda or so is needed?)
>
> Looking at /var/log/dmesg and various entries in /proc I find that the
> last time I rebooted, my cdrom was identified as ide-scsi.
>
> /var/log/dmesg says:
> hdc: HP COLORADO 8GB, ATAPI TAPE drive
> hdd: CD-ROM 48X/AKU, ATAPI CD/DVD-ROM drive
> <snip>
> scsi1 : SCSI host adapter emulation for IDE ATAPI devices
> Vendor: HP Model: COLORADO 8GB Rev: 2.08
> Type: Sequential-Access ANSI SCSI revision: 02
> Vendor: E-IDE Model: CD-ROM 48X/AKU Rev: U22
> Type: CD-ROM ANSI SCSI revision: 02
>
> The COLORADO is my tape drive and lilo.conf has always had append
> "hdc=ide-scsi" to get it to work. There is no such entry in lilo.conf
> about hdd.
>
> To mount the cdrom I now need to mount /dev/scd0.
>
> It's been about a month since the last time I did an apt-get install
> upgrade. I don't recall mounting cdrom since then until tonight. The
> only other thing that I can think of that may be pertinent is a couple
> of week ago I was trying to configure wine to play multimedia files
> (unsuccessfully), and wine kept giving me warning messages that I didn't
> have generic scsi devices sg, sg1,... So I looked up what these are in
> kernel documentation and created them with mknod.
>
> Does anyone have an explanation why cdrom is now ide-scsi?
because somewhere you asked for it :-) try removing the sr_mod kernel
module (rmmod sr_mod as root), and see if this changes. you probably
tried a command that turned on the scsi emulation for ide cdroms.
it's safe anyway to leave it like this.
hope it helps.
pietro.
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