Re: Xterm Hangs - Possible scheduler defect?

From: Chad N. Tindel
Date: Thu Feb 24 2005 - 17:44:22 EST


> In many Unices, crucial kernel threads run at realtime priority with a
> static priority higher than is accessible to user code.

Yep.

> That being said, however, you've got to be a privileged user to set
> real time very high priority on a thread, and if you do, you'd better
> know what you're doing. Any SCHED_FIFO thread should run for a time,
> then sleep for a time, or it *will* DOS everything else on the
> processor.

This is only true if you're not doing what you said in your first paragraph,
i.e. running crucial kernel threads higher than any user thread.

Chad
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