On Tue, Aug 13, 2002 at 07:44:29PM +0200, stef wrote:
> Well, from the strace, it appears that reading the parport
> only brings back 1024 bytes out of the 1696 asked. Since the code
> does not check the return code, things go wrong. But it is a new
> behaviour which is not exhibited by 2.4.18, which allways returned
> all the data.
Nonetheless, ppdev is within its rights to do this. The reason is
that it uses a buffer that is only 1k big---this needs to be
enlarged. Care to suggest a reasonable size?
(You'll still need to do read() in a loop.)
> The SANE backend does not catch any signal, nor does the
> little test program that use it. So I'm a bit puzzled.
Me too. I don't see any other reasons that ERESTARTSYS would appear.
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