Optical drive wont eject

Waleed Hamra kubuntu-users at whamra.com
Sat Jun 11 01:01:16 UTC 2011

On 06/11/2011 01:20 AM, Thomas Olsen wrote:
> On Friday 10 June 2011 23:45:33 Waleed Hamra wrote:
>> one main reason for linux to refuse ejecting is that the CD is locked.
>> this can happen if the CD is mounted for one instance. is it mounted? if
>> so, unmount it first. usually, if you're mounting CDs using the "device
>> notifier", things are automatic, and unmounting happens automagically.
> These are my mounts, nothing about the optical drive:
> /dev/sda5 on / type ext4 (rw,errors=remount-ro,commit=0)
> proc on /proc type proc (rw,noexec,nosuid,nodev)
> none on /sys type sysfs (rw,noexec,nosuid,nodev)
> fusectl on /sys/fs/fuse/connections type fusectl (rw)
> none on /sys/kernel/debug type debugfs (rw)
> none on /sys/kernel/security type securityfs (rw)
> none on /dev type devtmpfs (rw,mode=0755)
> none on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=0620)
> none on /dev/shm type tmpfs (rw,nosuid,nodev)
> none on /var/run type tmpfs (rw,nosuid,mode=0755)
> none on /var/lock type tmpfs (rw,noexec,nosuid,nodev)
> /dev/sda6 on /home type ext4 (rw,commit=0)
> /dev/sdb1 on /data type fuseblk (rw,nosuid,nodev,allow_other,blksize=4096,default_permissions)
> /dev/sda2 on /windows type fuseblk (rw,nosuid,nodev,allow_other,blksize=4096,default_permissions)
> binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,noexec,nosuid,nodev)
>> but in your case, i'm seeing something else. sr0 refers to the device of
>> the optical drive, and it has several buffer errors and read errors. i
>> am guessing the physical media is damaged in the drive. can you try and
>> remove the CD from the tray, close the tray, and try ejecting it while
>> empty from the button, and see if it works. if it does, then the problem
>> was the kernel has locked the CD as it was still trying to identify it
>> or something. try verifying again by suing another disc that you're sure
>> is clean and undamaged.
> It's locked both with and without a CD in the drive and it reads both audio and data CDs just fine.
> The odd thing is that this has now happened on two totally different PCs.
>> hope this helps
> Thanks for the efford but not really.
> Do you think I should file a bug report under linux-image?

if you want to file a report, yes, linux or linux-image i believe refer
to the kernel.

Waleed K. Hamra
Manager of Hamra Information Systems

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