Is anyone using Lineo Embedix (embedded linux) from www.lineo.com with a
DiskOnChip flash disk? The manual and specifications state that it contains
the DiskOnChip driver, which would be required since unlike some flash
devices, the DiskOnChip does not emulate an IDE interface. I assume that
CompactFlash or other IDE-based interfaces to Flash disks would work fine
since it appears 100% as a normal hard drive. However, DiskOnChip has been
mentioned a number of times in Caldera's documentation, and yet it appears
they've omitted it (without apology or reference to this oversight) from
their distribution.
Embedix boots from a floppy, or according to the documentation, from a soon
to be forthcoming CD-ROM.
I decided to try this on an embedded 80586 based CPU, the PC-104 form
factor (www.pc104.org) PCM-586 board from WinSystems (www.winsystems.com),
but the Linux kernel provided does not appear to have the DiskOnChip driver
installed, nor even a kernel module that could be added with insmod, and
therefore the kernel cannot find any hard disk devices, causing fdisk to be
unable to even run, let alone create a partition. The installer fails with
a quasi-informative error message (indicating poor design), that 'there must
be at least one minix partition'.
Anyone got any opinions on the Minix filesystem? Is the minix
filesystem code stable? How well does fsck work on Minix filesystems?
Has anyone else used this distribution? I thought to myself, finally someone
is building an embedded Linux distribution, and the one feature that they
could have put in to make the whole system worthwhile, the screwed up and
omitted. Or am I wrong somehow?
Looks like the proper version number is Lineo Embedix 0.0.1 - Besides a
stripped glibc, and using busybox to replace a bunch of /bin/* stuff with a
single multicall binary, this distribution is no better than installing
redhat or caldera open linux on your system.
Warren Postma
ZTR Control Systems
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