Re: [PATCH] Parport lockups with Connectix Quickcam VC

Ryan O'Connell (nemesis@eh.org)
Tue, 17 Nov 1998 22:57:59 -0000 (GMT)


-----BEGIN PGP SIGNED MESSAGE-----

On 17-Nov-98 Philip Blundell wrote:
>>My Linux systems hang during booting if there is a QuickCam VC connected to
>>a Parallel port and PnP Parport probing is enabled. They continue again as
>>soon as you unplug the camera, but it's a pain when dual-booting. Here's a
>
> Your fix doesn't look right. The IEEE1284 code is supposed to cope with
> peripherals not responding as expected - obviously this isn't working. Can
> you try to find out why?

read_polled basically isn't timing out at all if the device responds
incorrectly - it's blipping AutoFeed as far as I can tell, but getting
a response back every time. (Not sure if I've read the code correctly.)

Ryan O'Connell - http://mipc-01.brunel.ac.uk:8080/
<nemesis@eh.org> -- <cs95rro@brunel.ac.uk>

"Stop! Whoever crosseth the bridge of Death, must answer first
these questions three, ere the other side he see!"
Q: "What is your name?" A:"Sir Brian of Bell."
Q: "What is your quest?" A: "I seek the Holy Grail."
Q: "What are four lowercase letters that are not legal flag arguments
to the Berkeley UNIX version of `ls'?" A: "I, er.... AIIIEEEEEE!"

-----BEGIN PGP SIGNATURE-----
Version: 2.6.3ia
Charset: noconv

iQCVAwUBNlH/d3aLBcMKBcNNAQHzpAQAgRKwlQj2ciGAI9HEQtEIhq9NZl0L0aCT
u4wN6oQ9VH2weBWoHxkXdHTzfwTP24EYQttWv7XSknuOspfoVuOqjv3h17bWPkZu
SlhGm0R6YfBnSSSnrjBkcH9nj+TT2cuBD8XuTm6cdRUO0v9qt25UhXt/2MylUHaU
Yc88y9mg00c=
=YXpp
-----END PGP SIGNATURE-----

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/