Re: dd hangs when attempting to access a tape drive

[Jim Meyering]

Curt Blank <address@hidden> wrote:
> Ok, it appears to definitely be a blocking factor issue.
...
> So I'm starting to think it might not be dd problem in and of itself. My
...

Thanks for the follow-up.
I agree that this is almost certainly not a problem with dd itself.

If you want to see why some other program (like tar or your perl
script works), run it via strace and compare the actual read/write
buffer sizes.