Re: [patch] Real-Time Preemption, -RT-2.6.12-rc6-V0.7.47-29

[Gene Heskett <gene.heskett@verizon.net>]

On Wednesday 08 June 2005 07:59, Ingo Molnar wrote:
>* Gene Heskett <gene.heskett@verizon.net> wrote:
>> I just built this one, with RT but without the statistical stuff
>> enabled.  While rc6 works fine with tvtime-0.99, this gives a no
>> video blue screen, audio ok.
>
>could you check PREEMPT_DESKTOP too, with softirq/hardirq threading
>enabled/disabled?
>
> Ingo

Ok, next build with preempt mode 3, hard & softirq's theaded, as is 
RCU.

Kmix now normal, tvtime still fubar.

Build with mode 2 and it looks as if its all working:

[root@coyote linux-2.6.12-rc6-RT-V0.7.47-30]# grep PREEMPT .config
# CONFIG_PREEMPT_NONE is not set
CONFIG_PREEMPT_VOLUNTARY=y
# CONFIG_PREEMPT_DESKTOP is not set
# CONFIG_PREEMPT_RT is not set
CONFIG_PREEMPT_SOFTIRQS=y
CONFIG_PREEMPT_HARDIRQS=y
# CONFIG_PREEMPT_BKL is not set

Now, I note that going to the #2 mode (voluntary) turned off threaded 
RCU's, so I'm going to leave that off and try a mode 3 again. BRB.  

And that makes tvtime's video fail with a blue screen, audio ok..

Mode 2, FWIW, makes for quite jerky card motions while playing 
AisleRiot, the solitaire game.

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-- 
Cheers, Gene
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