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

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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.

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• Next message: Arnaldo Carvalho de Melo: "Re: [re-ANNOUNCE] [patch] kksymoops, in-kernel symbolic oopser, 2.5.38-B0"
• Previous message: Ingo Molnar: "[re-ANNOUNCE] [patch] kksymoops, in-kernel symbolic oopser, 2.5.38-B0"
• Maybe in reply to: James D Strandboge: "Polling /proc/apm causes usb hiccups and clock drift"
• Next in thread: James D Strandboge: "Re: Polling /proc/apm causes usb hiccups and clock drift"
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