In the last episode (Aug 21), Brian Reichert said:
> % ls -ln memtest86-*/precomp.bin
> -rw------- 1 1001 1001 84480 Feb 28 2002 memtest86-2.9/precomp.bin
> -rwx--x--x 1 1001 1001 84420 May 21 2002 memtest86-3.0/precomp.bin
>
> When copying these to a floppy as root (using two different machines,
> and several floppes for testing:)
>
> # dd bs=8192 of=/dev/fd0 if=memtest86-2.9/precomp.bin
> 10+1 records in
> 10+1 records out
> 84480 bytes transferred in 3.775199 secs (22378 bytes/sec)
>
> # dd bs=8192 of=/dev/fd0 if=memtest86-3.0/precomp.bin
> dd: /dev/fd0: Invalid argument
> 10+1 records in
> 10+0 records out
> 81920 bytes transferred in 3.731600 secs (21953 bytes/sec)
>
> Got any quick clues, or should I just file a PR now? (I don't
> even know what to report, really...)
You can only write full blocks to raw devices. The first file is
84480/512 = 165 disk blocks on the dot. The second file is 164.8828125
blocks, and that last fragment is why the dd is failing. Try adding
conv=osync to your dd line to tell it to pad the last block out.
--
Dan Nelson
[EMAIL PROTECTED]
_______________________________________________
[EMAIL PROTECTED] mailing list
http://lists.freebsd.org/mailman/listinfo/freebsd-hackers
To unsubscribe, send any mail to "[EMAIL PROTECTED]"
