Ubuntu
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  1. Bug #690010
  2. Comment #7

Comment 7 for bug 690010

Revision history for this message
David Henningsson (diwic) wrote : Re: [Jack-Devel] [PATCH] [cgroups] add basic support to move jack client threads into the same cgroup as jackd

On 2011-01-02 05:18, Dhaval Giani wrote:
> On Sun, Jan 2, 2011 at 12:56 AM, David Henningsson
> <email address hidden> wrote:
>> On 2010-12-24 10:08, Lennart Poettering wrote:
>>>
>>> On Fri, 24.12.10 09:53, Dhaval Giani (<email address hidden>) wrote:
>>>
>>>>> I do believe that the short time fix for this problem is that
>>>>> libcgroup/Ubuntu should stop sorting processes into any non-root cgroup
>>>>> hierarchy by default.
>>>>
>>>> Ubuntu needs to fix that.
>>>
>>> Yes, they do. David?
>>
>> Guess that's me. I'm not really a scheduling expert and had never heard of
>> cgroups before this bug showed up, but I'll try to grab the right people at
>> Canonical's next sprint, which is 10-14 January. That is, unless somebody
>> fixes it sooner.
>>
>
> Its quite straightforward, the config file at /etc/sysconfig/cgconfig should say
> CREATE_DEFAULT=no as opposed to CREATE_DEFAULT=yes

Hmm, it doesn't seem to be that simple unfortunately. There is no such
file present. There is a package called "cgroup-bin" that adds something
similar into /etc/default/cgconfig, but that package isn't installed
either. Not even the cgroup library package is installed.

http://git.debian.org/?p=collab-maint/libcgroup.git;a=blob;f=debian/cgroup-bin.cgconfig.default;h=5a61bf6e9878250557f3c4993376c7c408135b89;hb=HEAD

I also tried manually adding a /etc/sysconfig/cgconfig file with
"CREATE_DEFAULT=no" in it, but it didn't help either.

--
David Henningsson, Canonical Ltd.
http://launchpad.net/~diwic