System hangs on DVD device

[Justin Smith]

Julian Elischer wrote:

> Justin Smith wrote:
>
>> FreeBSD jsmith.org 5.3-BETA4 FreeBSD 5.3-BETA4 #0: Fri Sep 17 
>> 03:00:30 EDT 2004     root@:/usr/obj/usr/src/sys/MYKERNEL  i386
>>
>> When I try to boot, I get (after a while)
>>
>> acd1: DVDROM <JLMS DVD-ROM LTD-166S/DS08> at ata1-slave UDMA40
>>
>> and then
>>
>> ATAPI-RESET time = 50us
>> ATAPI-RESET time = 180us
>>
>> endlessly repeated.  I can only boot the system after unplugging the 
>> DVD drive.
>>
>> Any suggestions?
>
>
> turn off preemption
>
It was off.