Re: 2.2.19pre3 and poor reponse to RT-scheduled processes?

From: Gregory Maxwell (
Date: Fri Dec 29 2000 - 16:19:28 EST

On Fri, Dec 29, 2000 at 03:45:23PM -0500, Rafal Boni wrote:
> The box in question is running the heartbeat package,
> which is a RT-scheduled, mlock()'ed process, and as such should
> get as good service as the box is able to mange. Often, under
> high disk (and/or MM) loads, the box becomes unreponsive for a
> period of time from ~ 1 sec to a high of ~ 2.8sec.

You are running IDE aren't you?

Enable DMA and/or unmask interupts.

man hdparm

Good luck.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
Please read the FAQ at

This archive was generated by hypermail 2b29 : Sun Dec 31 2000 - 21:00:13 EST