Re: CD/DVD drive not recognized.

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On Sun, 2007-10-07 at 11:30 -0400, Jacques B. wrote:
> On 10/7/07, Simon Slater <pyevet@xxxxxxxxxxx> wrote:
> >         I have an Acer Extensa 5220 with a Slimtype DVD A DS8A1P CD/DVD drive.
> > After installing Fedora 7 this drive is not found by any application.
> > Will it be one of the /dev/sda devices?  I'm not sure where to start
> > with this one, googling didn't come up with anything useful.
> >
> > --
> > Regards
> > Simon
> If it's an IDE device (typically CD/DVD drives are) it will be a
> /dev/hd? device.  Where it sits on the IDE chain will dictate if it's
> hda, hdb, hdc, or hdd.  The primary/master drive on the first IDE
> chain is hda.  The secondary/slave drive is hdb.  The primary/master
> on the second IDE chain (assuming your motherboard has 2 because some
> newer ones don't) is hdc, and the secondary/slave on the 2nd IDE chain
> is hdd.
> 
> If it's an external USB/firewire drive then it will be /dev/sd?.
> 
> Type the following to find out:
> 
> dmesg | grep dvd
> (you could also try dmesg | grep cd
> or dmesg | grep hd[a-z]
> or dmesg | grep sd[a-z]
> or other possible grep expressions such as the manufacturer of your device).
> 
> It should show up in there.  If it doesn't, it likely wasn't
> recognized by Fedora.
> 
> If it comes up, have a look to see how it was recognized.
> 
> There are other ways to look for it.  lspci if a pci device.  lsusb if
> a USB device.  And others probably have yet other suggestions.  I was
> first taught dmesg and have found it invaluable for such
> troubleshooting issues.
> 
> You could also check your BIOS to make sure it is picking it up.
> Although I'm gathering it is seeing you were likely able to boot your
> Fedora install DVD from it to install it to your hard drive in the
> first place.
> 
> Jacques B.
> 
dmesg | grep dvd yields nothing.
dmesg | grep cd gives lines for ?hci_hcd which is all USB stuff I think.
dmesg | grep sd output is:
[simon@Acer ~]$ dmesg | grep sd
SCSI device sda: 156301488 512-byte hdwr sectors (80026 MB)
sda: Write Protect is off
sda: Mode Sense: 00 3a 00 00
SCSI device sda: write cache: enabled, read cache: enabled, doesn't
support DPO or FUA
SCSI device sda: 156301488 512-byte hdwr sectors (80026 MB)
sda: Write Protect is off
sda: Mode Sense: 00 3a 00 00
SCSI device sda: write cache: enabled, read cache: enabled, doesn't
support DPO or FUA
 sda: sda1 sda2 sda3 sda4 < sda5 sda6 >
sd 0:0:0:0: Attached scsi disk sda
sd 0:0:0:0: Attached scsi generic sg0 type 0
sdhci: Secure Digital Host Controller Interface driver
sdhci: Copyright(c) Pierre Ossman
sdhci: SDHCI controller found at 0000:0f:06.3 [104c:803c] (rev 0)
EXT3 FS on sda5, internal journal
SELinux: initialized (dev sda5, type ext3), uses xattr
sd 0:0:0:0: freeze
sdhci 0000:0f:06.3: freeze
sdhci 0000:0f:06.3: LATE freeze
sdhci 0000:0f:06.3: EARLY resume
sdhci 0000:0f:06.3: resuming
sd 0:0:0:0: resuming
SCSI device sda: 156301488 512-byte hdwr sectors (80026 MB)
sda: Write Protect is off
sda: Mode Sense: 00 3a 00 00
SCSI device sda: write cache: enabled, read cache: enabled, doesn't
support DPO or FUA
SCSI device sdb: 506880 512-byte hdwr sectors (260 MB)
sdb: Write Protect is off
sdb: Mode Sense: 43 00 00 00
sdb: assuming drive cache: write through
SCSI device sdb: 506880 512-byte hdwr sectors (260 MB)
sdb: Write Protect is off
sdb: Mode Sense: 43 00 00 00
sdb: assuming drive cache: write through
 sdb: unknown partition table
sd 3:0:0:0: Attached scsi removable disk sdb
sd 3:0:0:0: Attached scsi generic sg1 type 0
SELinux: initialized (dev sdb, type vfat), uses genfs_contexts
[simon@Acer ~]$ dmesg | grep hd
SCSI device sda: 156301488 512-byte hdwr sectors (80026 MB)
SCSI device sda: 156301488 512-byte hdwr sectors (80026 MB)
SCSI device sda: 156301488 512-byte hdwr sectors (80026 MB)
SCSI device sdb: 506880 512-byte hdwr sectors (260 MB)
SCSI device sdb: 506880 512-byte hdwr sectors (260 MB)

This is with a DVD in the drive.  Without a DVD in the drive /dev/sdb
goes.  Even with a disc in the drive, however, in CD Player for
example the box in preferences to select the device is greyed out.
Sound juicer "... could not find any CD-ROM drives to read.".  Totem has
eject and play/pause greyed out when a DVD is in the drive and the open
dialogue has no option to point to /dev/sdb.


-- 
Regards
Simon

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