[Fed-Talk] Imac CD stuck - hangs when reboot - mount process looping? Any ideas? Anyone good at Linux?
[Fed-Talk] Imac CD stuck - hangs when reboot - mount process looping? Any ideas? Anyone good at Linux?
- Subject: [Fed-Talk] Imac CD stuck - hangs when reboot - mount process looping? Any ideas? Anyone good at Linux?
- From: Forrest Berkshire <email@hidden>
- Date: Thu, 11 Feb 2010 12:11:03 -0500
- Thread-topic: Imac CD stuck - hangs when reboot - mount process looping? Any ideas? Anyone good at Linux?
Title: Imac CD stuck - hangs when reboot - mount process looping? Any ideas? Anyone good at Linux?
My co-worker's IMac has a CD stuck in the drive and we can not get it out. I tried all of the recommended fixes i.e. disk utility eject, boot holding option-C, drutil eject, drutil tray eject, etc.
In Disk utility, it sees the disc and gives it a name, but it is grayed out. When I try eject, it says it can't be unmounted. When I try to mount it, it says it can't recognize the file type and can't mount. I connected a Mac Mini and booted the IMac in Target mode. The "Remote Disc" showed up in the finder but couldn't eject it. I booted the Mini in T Mode with the IMac Install Disk and booted the IMac from the disc, ran disc utility and repaired permissions, to no avail.
The reason I believe this is a software issue and not a hardware issue is that when I try to reboot the machine, it hangs at the very end. I thought maybe it was just trying to shut down a hung process, so I let it try to shut down over night. When we got in this morning, the wheel (not the beach ball) was still spinning. All of these reboots I am doing is after a hard shutdown (which is not good for the machine, but I have no alternative).
So I opened up Terminal and tried to see what was going on "under the hood." It seems in the processes it is still trying to mount the CD. Here's what it shows in Terminal
PID TTY TIME CMD
103 ?? 0:00.00 /sbin/mount -t cd9660 -o nodev,noowners,nosuid,rdonly
104 ?? 6:31.41 /sbin/mount_cd9660 -o nodev -o noowners -o nosuid -o r
I ran a kill command on process 103 and it closed
kill -9 103
-bash: kill: (103) - Operation not permitted
sudo kill -9 103
But running kill on process 104 doesn't work.
The CD's location is disk1s0
I tried mounting it from terminal using the following commands:
mount /dev/disk1s0
and got:
mount: /dev/disk1s0: unknown special file or file system
So I tried:
mount /dev/dosk1s0 -a -f -r
and got:
usage: mount -dfruvw -o options external_type special node
mount -adfruvw external_type
mount -dfruvw special | node
My only theory is that the CD (which was burned off a Windows machine at least 5 years ago. I think the machine it was burned on was running Windows XP, but a modified version (we work for a Dep't of Defense agency)) is hanging when the computer boots up, causing the mount to run in some sort of loop. Not sure if I can alter the startup to not read the CD drive, then boot and try to eject somehow. The disc is formatted ISO9660 (Rockridge).
Any advice besides taking it to the Apple Store would be much appreciated. I am not very familiar with Terminal or Linux, so please dumb it down for me if you can think of anything I might do.
I have more complete log files if anyone thinks they might help contribute to an answer.
Thanks,
Forrest
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