I was running Windbg when windows went to hiberation.

I could not get out of it until I unplugged the battery and plugged in the line cord.

This may be unrelated but I have a bunch of these in the Event Viewer.

I had a CD in the drive for a while, and I just took it out.


Event Type: Error
Event Source: Cdrom
Event Category: None
Event ID: 11
Date: 12/28/2012
Time: 1:53:41 PM
User: N/A
Computer: BSEKENNEDYCHP
Description:
The driver detected a controller error on \Device\CdRom0.

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
Data:
0000: 03 03 68 00 01 00 b8 00 ..h...�.
0008: 00 00 00 00 0b 00 04 c0 .......�
0010: 01 01 00 00 00 00 00 00 ........
0018: 00 00 00 00 00 00 00 00 ........
0020: 00 08 77 25 00 00 00 00 ..w%....
0028: 8f 14 12 00 00 00 00 00 �.......
0030: ff ff ff ff 02 00 00 00 ����....
0038: 40 00 00 c4 02 00 00 00 @..�....
0040: ff 20 0a 12 4c 02 00 00 � ..L...
0048: 00 00 00 00 0a 00 00 00 ........
0050: 00 00 fd 86 30 c2 1e 87 ..�†0�.‡
0058: 00 00 00 00 08 80 70 87 .....€p‡
0060: 00 00 00 00 e1 ae 04 00 ....�..
0068: 28 00 00 04 ae e1 00 00 (...��..
0070: 01 00 00 00 00 00 00 00 ........
0078: 70 00 04 00 00 00 00 0a p.......
0080: 00 00 00 00 3e 02 00 00 ....>...
0088: 00 00 00 00 00 00 00 00 ........

http://answers.microsoft.com/en-us/windows/forum/windows_vista-performance/driver-detected-a-controller-error-on-devicecdrom0/252f623a-ddbb-4769-9e96-b2bf4f0c9cc9