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From: Mark Glines <mark@glines.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@elte.hu>, L-K <linux-kernel@vger.kernel.org>
Subject: Re: 2.6.28 has unconfigurable group sched?
Date: Wed, 14 Jan 2009 06:46:38 -0800	[thread overview]
Message-ID: <496DFACE.10403@glines.org> (raw)
In-Reply-To: <1231926992.7141.23.camel@twins>

Peter Zijlstra wrote:
>> So it seems rt_schedulable() is never succeeding.  Any ideas?
> 
> Yeah, I should test this user grouping stuff more often :/
> 
> The below fixes it for me.
> ---
> Subject: sched: fix bandwidth validation for UID grouping 
> 
> For UID grouping we initialize the root group with infinite bandwidth
> which by default is actually more than the global limit, therefore the
> bandwidth check always fails.
> 
> Because the root group is a phantom group (for UID grouping) we cannot
> runtime adjust it, therefore we let it reflect the global bandwidth
> settings.


Thanks.  Sadly, this doesn't seem to change anything for me.  I applied
it to 2.6.28, rebuilt and reinstalled, and got the same result.  I did a
clean rebuild to be sure; and got the same behavior again.

Please let me know if there are any additional diagnostics I can provide.

Mark

  reply	other threads:[~2009-01-14 14:50 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-01-13 18:31 2.6.28 has unconfigurable group sched? Mark Glines
2009-01-14  9:56 ` Peter Zijlstra
2009-01-14 14:46   ` Mark Glines [this message]
2009-01-15  7:29     ` Peter Zijlstra
2009-01-15 16:00       ` Mark Glines

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