| Kernel Options
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| Sample Kernel Config File
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| Kernel Config Options
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- NOTE: if you use modules, you will need a corresponding initrd for these kernel options
- Make sure each of these kernel options is defined ( =y or =m )
egrep -i "BLK_DEV_LOOP|BLK_DEV_RAM|BLK_DEV_RAM_SIZE" /usr/local/src/linux-2.4.22/.config | grep -v ^#
egrep -i "CONFIG_BLK_DEV_S|CONFIG_BLK_DEV_IDECD|BLK_DEV_IDESCSI" /usr/local/src/linux-2.4.22/.config | grep -v ^#
egrep -i "CONFIG_SCSI|CONFIG_BLK_DEV_SR|CONFIG_BLK_DEV_SG" /usr/local/src/linux-2.4.22/.config | grep -v ^#
egrep -i "CONFIG_MINIX_FS|CONFIG_JOLIET|CONFIG_ISO9660_FS" /usr/local/src/linux-2.4.22/.config | grep -v ^#
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Module Name
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Description
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loop
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LoopBack device
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CONFIG_BLK_DEV_RAM=m
CONFIG_BLK_DEV_RAM_SIZE=16384
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rd
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RAM Disk
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cdrom
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mounting cdrw
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ide-cd
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IDE CDROM
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ide-scsi
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SCSI Emulation
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scsi_mod
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SCSI
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sr_mod
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SCSI CDROM
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sg
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SCSI Generic
( /dev/sg* )
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isofs
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ISO9660 CDROM
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joliet
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MS Joliet
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minix
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Minix
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| Devices
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- Make sure you have the proper device drivers
- ls -la /dev/loop /dev/loop?
- ls -la /dev/ram /dev/ram?
- ls -la /dev/sg /dev/sg?
- ls -la /dev/pg /dev/pg?
- Create the Missing device drivers
- cd /dev ; ./MAKEDEV loop ; ./MAKEDEV sg ; ./MAKEDEV ram
- cd /dev ; for i in 0 1 2 3 4 5 6 7; do mknod loop$i b 7 $i; done
- cd /dev ; for i in 0 1 2 3 4 5 6 7; do mknod sg$i c 21 $i; done
- cd /dev ; for i in 0 1 2 3 4 5 6 7; do mknod ram$i c 1 $i; done
- cat /proc/devices
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1 mem
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2 pty
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21 sg
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<----- "SCSI Generic device"
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2 fd
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7 loop
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<----- we even can use the loop-devices
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8 sd
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11 sr
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<----- "SCSI CDROM"
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sg
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32556
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0 (autoclean)
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sr_mod
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16152
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0
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ide-scsi
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10576
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0
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scsi_mod
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72564
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2 [sg ide-scsi]
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cdrom
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34144
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0 (unused)
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