Re: Polling /proc/apm causes usb hiccups and clock drift

Thomas Hood (jdthood@mail.com)
25 Sep 2002 05:48:51 -0400

Messages sorted by: [ date ][ thread ][ subject ][ author ]
Next message: wbh: "[PATCH] Y-251U drive adapter/USB"
Previous message: Ingo Molnar: "[ANNOUNCE] [patch] kksymoops, in-kernel symbolic oopser, 2.5.38-B0"

James D Strandboge <jstrand1@rochester.rr.com> wrote:
> polling /proc/apm causes the webcam in xawtv to skip.
> [...]
> Is this a kernel apm bug or BIOS problem?

The apm driver calls the APM BIOS with interrupts disabled
each time /proc/apm is read. This appears to be taking
too much time away from video processing.

__________________________________________________
Do You Yahoo!?
Everything you'll ever need on one web page
from News and Sport to Email and Music Charts
http://uk.my.yahoo.com
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

Next message: wbh: "[PATCH] Y-251U drive adapter/USB"
Previous message: Ingo Molnar: "[ANNOUNCE] [patch] kksymoops, in-kernel symbolic oopser, 2.5.38-B0"