** Changed in: libcgroup (Ubuntu)
Assignee: Jon Bernard (jbernard) => (unassigned)
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Title:
cgroup-bin should not move kthreadd into a default
> You're absolutely right, I will allocate time this week to put together
> a new upstream release.
>
> Serge, would have have time to help me test and provide feedback?
I will be out the remainder of this week. I can test it next week
though.
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You're absolutely right, I will allocate time this week to put together
a new upstream release.
Serge, would have have time to help me test and provide feedback?
Jon
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Jon,
if you could do these soon in the Debian package, I think we should
still be able to get it into precise.
Rioting_Pacifst,
note that we generally recommend using cgroup-lite when possible.
Quoting Rioting_Pacifst (693...@bugs.launchpad.net):
> This bug has quite a few nasty symptoms (break
This bug has quite a few nasty symptoms (breaks suspend on SMP machines,
etc) and I guess cgroups are going to get more popular as people try the
"superpatch" so could we get one of the following into 12.04 please:
1)do not move all tasks into a default cgroup
comment CREATE_DEFAULT=yes out and u
a related issue with moving kernel threads is that one of them also
breaks suspend :] it was fun to figure out!
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Title:
cgroup-bin should not move
This problem also happens in lucid (which is supposed to be an LTS
release). Please fix this ASAP
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Title:
cgroup-bin should not move kthreadd into
Hi,
the core of this bug appears to be fixed in natty's newest libcgroup
version (0.37.1-1ubuntu2). It no longer moves tasks into a default
cgroup.
I'm undecided as to whether to call that fixing this bug. I assume that
changing the config files to set a default cgroup other than / will
still c
** Changed in: libcgroup (Ubuntu)
Status: New => Confirmed
** Changed in: libcgroup (Ubuntu)
Importance: Undecided => High
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Title:
cgro
Ok, I tried it one my little Lucid@virtualbox (1 CPU & 512MB defined)
and well, it works. Just put a "echo 95 >
/cgroups/cpu/sysdefault/cpu.rt_runtime_us" into "/etc/rc.local" and it
is possible to load and unload kernel modules. Since I don't know how
this works against cgroup at all, I would
> "rt_runtime_us" is a adjustable value rather than a boolean, right?
Right. In particular, it is the number of microseconds out of every
second that a process scheduled with realtime priority is allowed to run
for if it doesn't voluntarily yield the CPU, or something like that.
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Hey, thx for the reply.
Since I also ran in the problem on a VDR. In case of failure, VDR is
covered by a watchdog, which tries do unload DVB modules. with cgroup-
bin on Lucid, this ends in stop application, since rmmod does never come
back.
In the meantime I'm strongly interested in a workaroun
Yes, enabling real-time scheduling for sysdefault would also fix this.
Although you probably want something like rt_runtime_us = 95, which
is the default without any cgroups.
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Would it make sense to enable the real time scheduler for the
[sys]default process group [rt_runtime_us = 1]? At least as a kind of
workaround ... ?
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