I found that acd, ATAPI CD device, doesn't listed up to 'kern.disks'
kernel MIB which should list all disks in the running system.

Here is a sample:

ringo % sysctl kern.disks
kern.disks: ad0
ringo % grep acd /var/run/dmesg.boot
acd0: CDROM <TOSHIBA CD-ROM XM-6202B> at ata1-master PIO4
ringo %

I've investigated that this is because ATAPI CD driver doesn't call
disk_create() when detecting CD device.  Other disks, including SCSI
CD or RAID HDD calls this function.


Is it a feature or something forgotten to add it?

-- -
Makoto `MAR' Matsushita

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