linux-kernel - Re: [BUG] [ tip/sched/core ] System unresponsive after booting

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Message-ID: <52D80004.8070301@linaro.org>
Date:	Thu, 16 Jan 2014 16:51:32 +0100
From:	Daniel Lezcano <daniel.lezcano@...aro.org>
To:	Peter Zijlstra <peterz@...radead.org>
CC:	raistlin@...ux.it, juri.lelli@...il.com,
	Ingo Molnar <mingo@...nel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [BUG] [ tip/sched/core ] System unresponsive after booting

On 01/16/2014 04:48 PM, Peter Zijlstra wrote:
> On Thu, Jan 16, 2014 at 04:28:05PM +0100, Daniel Lezcano wrote:
>> On 01/16/2014 03:25 PM, Peter Zijlstra wrote:
>>> On Thu, Jan 16, 2014 at 03:20:20PM +0100, Daniel Lezcano wrote:
>>>> Already tested. The last commits do not change the issue described above.
>>>
>>> Bummer, ok, what version of Ubuntu/rsyslogd are you using? I have a
>>> laptop around that should have some recent ubuntu on it, let me go find
>>> it.
>>>
>>
>> Removing the lines below fix the issue.
>>
>> These changes were introduced by the commit
>> d50dde5a10f305253cbc3855307f608f8a3c5f73.
>>
>> I don't get the connection between what is supposed to do the patch as
>> described in the commit log and these four lines added.
>
> The interface adds:
>
>    sched_attr::sched_nice
>
> And extends __sched_setscheduler() to also set nice values as provided
> by the sched_attr, therefore we must check to see if we've got
> permission to change the nice value.

Ah, ok.

Thanks for the clarification.


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