Date: Wed, 18 Dec 1996 14:01:51 -0700 (MST) From: Terry Lambert <terry@lambert.org> To: hasty@rah.star-gate.com (Amancio Hasty) Cc: hackers@freebsd.org, multimedia@freebsd.org Subject: Re: mmap problems? Message-ID: <199612182101.OAA10384@phaeton.artisoft.com> In-Reply-To: <199612180937.BAA03625@rah.star-gate.com> from "Amancio Hasty" at Dec 18, 96 01:37:12 am
next in thread | previous in thread | raw e-mail | index | archive | help
> I have an old program "tv" which used to work okay.
>
> frame_size = 38896;
> if ((video = open("/dev/meteor0", O_RDONLY)) < 0) {
> fprintf(stderr, "open failed: %s\n", strerror(errno));
> exit(1);
> }
>
> After running the program several times, tv exits with a a memory access
> violation. It looks like the system is not
> giving me access to the last page of the frame buffer. Any hints?
Look at the meteor driver; the page range limitation is imposed at
that level.
Terry Lambert
terry@lambert.org
---
Any opinions in this posting are my own and not those of my present
or previous employers.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199612182101.OAA10384>