kern/149201: DVD/CD Drive Error

Robin Carey robin.carey1 at
Mon Aug 2 16:30:08 UTC 2010

>Number:         149201
>Category:       kern
>Synopsis:       DVD/CD Drive Error
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Aug 02 16:30:07 UTC 2010
>Originator:     Robin Carey
>Release:        8.1
Sorry I don't have the ability to submit "uname -a". The Kernel is GENERIC FreeBSD-8.1/i386
I have observed this error message on two different computers, Pentium 4 3.4GHz and Pentium 4 3.0Ghz - both dual core chips. They were both Hewlett Packard dc7600 Small Form Factor computers.

The error only occurs when a CD/DVD is in the drive.

The error is:

acd0: FAILURE - READ_BIG MEDIUM ERROR asc=0x11 ascq=0x05

I don't know exactly what this error means, but suspect it is an error related to an error in the media/medium, i.e. CD/DVD disc.

I had a different computer (but the same HP dc7600) running FreeBSD-8.0 and this error was not produced.
Access the CD/DVD drive with a CD/DVD in it.


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