In message <3CC46979.9@nerim.net>, Ludovic Hirlimann writes:
>Since some time if I do some disk related action I get messages like :
>
>$ df -k .
>Filesystem  1K-blocks     Used    Avail Capacity  Mounted on
>/dev/sd0a     2031153   157642  1771953     8%    /
>ksh: j_waitj: tcsetpgrp(10, 2970) failed: Inappropriate ioctl for device
>$
>
>What does this mean ? That I have a problem with my disk ?
>

No -- it's a bug in the tty driver about switching process group 
ownership of the device, as done by shell job control.

		--Steve Bellovin, http://www.research.att.com/~smb
		Full text of "Firewalls" book now at http://www.wilyhacker.com