From: Joe Thornber Make the version-4 ioctl interface the default kernel configuration option. If you have out of date tools you will need to use the v1 interface. 25-akpm/drivers/md/Kconfig | 1 + 1 files changed, 1 insertion(+) diff -puN drivers/md/Kconfig~dm-3-v4-ioctl-default drivers/md/Kconfig --- 25/drivers/md/Kconfig~dm-3-v4-ioctl-default Tue Nov 25 12:53:46 2003 +++ 25-akpm/drivers/md/Kconfig Tue Nov 25 12:53:46 2003 @@ -138,6 +138,7 @@ config BLK_DEV_DM config DM_IOCTL_V4 bool "ioctl interface version 4" depends on BLK_DEV_DM + default y ---help--- Recent tools use a new version of the ioctl interface, only select this option if you intend using such tools. _