SCHED_FIFO and SCHED_RR in 2.4.7-10custom kernel

From: ETO (Eldor.Rodseth@eto.ericsson.se)
Date: Fri Apr 26 2002 - 07:01:12 EST


Dear all!

I am posting this request, hoping for a reply from someone that has experienced similar problems.

My application uses the possibility to change scheduling mechanism. When changing from
SCHED_OTHER to SCHED_FIFO or SCHED_RR, my application causes the whole Linux
PC to "hang". Prior to launching my own application, I launch a "superbash" application with
higher priority than my own application. But I am not able to switch to the window where this
"superbash" application is running to kill my own application. The PC simply does not respond
to any input from the keyboard.

I have used this mechanism before, and I am quite confident that this worked under kernel 2.4.2.
Are you aware of anything that could explain this behaviour?

Thanks.

Regards,
Eldor Rødseth
Technical Coordinator/SPoC
CN2.0 DFU@ETO
Cellular: +47 950 86888

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