SCSI DVD drive not recognized on fc3-t2 kernel 2.6.8-1.584

[Harald Hoyer]

Bill Nottingham wrote:
> Harald Hoyer (harald at redhat.com) said: 
> 
>>Normally, if you insmod a scsi host adaptor it causes several hotplug 
>>events, which are handled also by the scsi.agent, which loads the sr_mod 
>>or other scsi related modules.
>>But if the scsi hostadapter module is loaded in the initrd, there is no 
>>scsi.agent and also no sr_mod... thus no device nodes are created.. Doh!
>>
>>In my opinion, if a host adaptor is loaded, the sg module should be 
>>loaded in any case, to enable generic scsi commands.
> 
> 
> sg isn't used for generic SG access... SG_IO can be used on the
> device itself.
> 

so, what is it for now?