Messages in this thread | | | Date | Sat, 13 Jan 2001 21:37:28 +0100 | From | David Santinoli <> | Subject | Re: BUG in 2.4.0: dd if=/dev/random of=out.txt bs=10000 count=100 |
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On Fri, Jan 12, 2001 at 07:53:14PM -0800, Rob Landley wrote: > If I do the dd line in the title under 2.4.0 I get an > out.txt file of 591 bytes. And it's the same under 2.2.x, too.
> dd says it completes happily even when copying from > random. 0+100 records in, 0+100 records out. It It's not a fault of dd, or of the read() system call, either. It's just the way /dev/random works - you can't read more bytes than those available in the entropy pool. And if you try, you'll just fail with no error.
Cheers, David - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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