linux-kernel - Re: asterisk hangs with RT priority

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Date:	Thu, 25 Dec 2008 07:37:47 +1100
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Dhaval Giani <dhaval@...ux.vnet.ibm.com>
Cc:	Patrick McHardy <kaber@...sh.net>, Ingo Molnar <mingo@...e.hu>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Bharata B Rao <bharata@...ux.vnet.ibm.com>,
	Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Balbir Singh <balbir@...ibm.com>
Subject: Re: asterisk hangs with RT priority

On Wed, Dec 24, 2008 at 07:12:25PM +0530, Dhaval Giani wrote:
> 
> Hmm. Do you have CONFIG_FAIR_USER_SCHED set on?

I can't find such a config option, but

$ grep SCHED .config
CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
CONFIG_GROUP_SCHED=y
CONFIG_FAIR_GROUP_SCHED=y
CONFIG_RT_GROUP_SCHED=y
CONFIG_USER_SCHED=y
# CONFIG_CGROUP_SCHED is not set
CONFIG_IOSCHED_NOOP=y
CONFIG_IOSCHED_AS=m
CONFIG_IOSCHED_DEADLINE=m
CONFIG_IOSCHED_CFQ=m
CONFIG_DEFAULT_IOSCHED="noop"
CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
CONFIG_SCHED_HRTICK=y
CONFIG_NET_SCHED=y
# CONFIG_USB_EHCI_TT_NEWSCHED is not set
$ 

Cheers,
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