Package: initscripts
Severity: wishlist
Tag: patch
Hi,
please mount cgroup automatically in mountkernfs. patch will be sent as
soon as the bug number is assigned.
Regards,
Daniel
--
Address: Daniel Baumann, Burgunderstrasse 3, CH-4562 Biberist
Email: [email protected]
Internet: http://people.panthera-systems.net/~daniel-baumann/
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(Fri, 29 Oct 2010 10:51:08 GMT) (full text, mbox, link).
Acknowledgement sent
to Henrique de Moraes Holschuh <[email protected]>:
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(Fri, 29 Oct 2010 17:45:03 GMT) (full text, mbox, link).
Subject: Re: [Pkg-sysvinit-devel] Bug#601757: Please mount cgroup
automatically
Date: Fri, 29 Oct 2010 15:43:38 -0200
On Fri, 29 Oct 2010, Daniel Baumann wrote:
> attached is the patch.
[...]
> + domount cgroup "" /sys/fs/cgroup cgroup -onodev,noexec,nosuid
I like it. Is this mountpoint "blessed" by someone, since it is inside
/sys? Are other distros also using this path?
--
"One disk to rule them all, One disk to find them. One disk to bring
them all and in the darkness grind them. In the Land of Redmond
where the shadows lie." -- The Silicon Valley Tarot
Henrique Holschuh
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(Fri, 29 Oct 2010 18:36:03 GMT) (full text, mbox, link).
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(Wed, 03 Aug 2011 13:12:03 GMT) (full text, mbox, link).
Subject: Re: [Pkg-sysvinit-devel] Bug#601757: Please mount cgroup
automatically
Date: Wed, 3 Aug 2011 15:08:59 +0200
On Fri, 29 Oct 2010, Daniel Baumann wrote:
> On 10/29/2010 07:43 PM, Henrique de Moraes Holschuh wrote:
> > I like it. Is this mountpoint "blessed" by someone, since it is inside
> > /sys? Are other distros also using this path?
>
> it's the upstream ___location to mount it, see comments in
> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=595964
> for more information.
Ping?
It looks like straightforward to fix, is there a reason why it has not yet
been done?
Cheers,
--
Raphaël Hertzog ◈ Debian Developer
Follow my Debian News ▶ http://RaphaelHertzog.com (English)
▶ http://RaphaelHertzog.fr (Français)
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(Wed, 30 Nov 2011 21:45:04 GMT) (full text, mbox, link).
Acknowledgement sent
to Ritesh Raj Sarraf <[email protected]>:
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(Tue, 06 Dec 2011 11:51:16 GMT) (full text, mbox, link).
Package: initscripts
Version: 2.88dsf-13.13
Followup-For: Bug #601757
Not everyone seems to be of the opinion that a single cgroup mount point
is the right thing to do.
https://github.com/poelzi/ulatencyd/issues/26#issuecomment-3030891
Quoting the author of Ulatency:
ulatency can be adjusted to a single mountpoint, but as said many
times, it will suck and make it harder und more complicated to use. CPU
subsystem is totally broken when Realtime Cgroups is enabled and you
need constant fixing on that, making it harder with unified mountpoints.
You can not even create more then one level of in blkio cgroup which
will make the cpu configuration useless.
Single mount point of all cgroup subsystems IS A BAD IDEA. You can
configure it to do so, but it will not help you.
-- System Information:
Debian Release: wheezy/sid
APT prefers testing
APT policy: (990, 'testing'), (500, 'unstable'), (101, 'experimental')
Architecture: amd64 (x86_64)
Kernel: Linux 3.1.0-1-amd64 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages initscripts depends on:
ii coreutils 8.13-3
ii debianutils 4.0.4
ii libc6 2.13-21
ii lsb-base 3.2-28
ii mount 2.19.1-5
ii sysv-rc 2.88dsf-13.13
ii sysvinit-utils 2.88dsf-13.13
Versions of packages initscripts recommends:
ii e2fsprogs 1.42~WIP-2011-10-16-1
ii psmisc 22.14-1
initscripts suggests no packages.
-- Configuration Files:
/etc/default/bootlogd changed:
BOOTLOGD_ENABLE=Yes
-- no debconf information
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(Tue, 13 Dec 2011 23:00:03 GMT) (full text, mbox, link).
Hi,
If I got that right, it's ok for the maintainer of ulatencyd, if the
subsystems were mounted into it's own subdirectories?
If so, I like to propose an intitv script which does it.
When reading the introduction to cgroup in the kernel documentation, it
is best pratice to mount tmpfs under /sys/fs/cgroup and create a
subdirectory for every subsystem.
Please see attachement for the script. CGROUPSUBSYSTEMS must be set to
yes in /etc/default/tmpfs. So cgroup subsystems are not mounted by
default, which does not break existent configurations done via
/etc/fstab and one can switch it on/off easily.
The script was tested on Squeeze with 2.6.39-bpo60-2. Activated with
"update-rc.d mountcgroupsubsys.sh defaults".
Problem: It is very cgroup specific and is possibily misplaced in
initscripts?
Regards,
Marcus
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(Sun, 22 Apr 2012 09:57:33 GMT) (full text, mbox, link).
As an lxc user, I like a semi-automatic (distributional way) of setting
up the needed cgroup-subsystems.
Ubuntu uses a lightweight variant of cgroups-bin (currently blocked in
wheezy).
As always you may have more than one way to achive a proper cgroup handling.
Attached is my (updated) solution which is an initscript in parallel to
such as mountdevsubfs.sh and similar.
I use this on Squeeze-server running with latest lxc-7.5.x from Wheezy.
It was never tested together with systemd. All subsystems are mounted in
their own subdirectories.
Feel free to examine the functionality and reuse it in initscripts for
future cgroup handling in wheezy.
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(Sun, 17 Jun 2012 16:12:06 GMT) (full text, mbox, link).
On Tuesday 06 December 2011 05:17 PM, Ritesh Raj Sarraf wrote:
> Not everyone seems to be of the opinion that a single cgroup mount point
> is the right thing to do.
Are there plans on fixing this for Wheezy? Currently, it is broken.
The interesting part is that lxc-checkconfig does not report any errors,
but it does not work in the current state of cgroup.
rrs@champaran:/var/lib/lxc/test1$ sudo lxc-checkconfig
Kernel config /proc/config.gz not found, looking in other places...
Found kernel config file /boot/config-3.4-trunk-amd64
--- Namespaces ---
Namespaces: enabled
Utsname namespace: enabled
Ipc namespace: enabled
Pid namespace: enabled
User namespace: enabled
Network namespace: enabled
Multiple /dev/pts instances: enabled
--- Control groups ---
Cgroup: enabled
Cgroup clone_children flag: enabled
Cgroup device: enabled
Cgroup sched: enabled
Cgroup cpu account: enabled
Cgroup memory controller: enabled
Cgroup cpuset: enabled
--- Misc ---
Veth pair device: enabled
Macvlan: enabled
Vlan: enabled
File capabilities: enabled
Note : Before booting a new kernel, you can check its configuration
usage : CONFIG=/path/to/config /usr/bin/lxc-checkconfig
It would be good to build consensus now on fixing this bug rather than
wait for the last minute.
--
Ritesh Raj Sarraf
RESEARCHUT - http://www.researchut.com
"Necessity is the mother of invention."
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to Ritesh Raj Sarraf <[email protected]>:
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(Wed, 04 Jul 2012 07:00:03 GMT) (full text, mbox, link).
systemd is another application that relies on cgroups for proper
functioning. For users, that have systemd installed and enabled, you
will not see this problem because systemd, by itself, mounts all the
necessary cgroups mount points in the right order.
rrs@champaran:~$ mount | grep -i cgroup
tmpfs on /sys/fs/cgroup type tmpfs
(rw,nosuid,nodev,noexec,relatime,mode=755)
cgroup on /sys/fs/cgroup/systemd type cgroup
(rw,nosuid,nodev,noexec,relatime,release_agent=/lib/systemd/systemd-cgroups-agent,name=systemd)
cgroup on /sys/fs/cgroup/cpuset type cgroup
(rw,nosuid,nodev,noexec,relatime,cpuset,release_agent=/usr/lib/ulatencyd/ulatencyd_cleanup.lua,clone_children)
cgroup on /sys/fs/cgroup/cpu,cpuacct type cgroup
(rw,nosuid,nodev,noexec,relatime,cpuacct,cpu,release_agent=/usr/lib/ulatencyd/ulatencyd_cleanup.lua)
cgroup on /sys/fs/cgroup/devices type cgroup
(rw,nosuid,nodev,noexec,relatime,devices,clone_children)
cgroup on /sys/fs/cgroup/freezer type cgroup
(rw,nosuid,nodev,noexec,relatime,freezer,clone_children)
cgroup on /sys/fs/cgroup/net_cls type cgroup
(rw,nosuid,nodev,noexec,relatime,net_cls,clone_children)
cgroup on /sys/fs/cgroup/blkio type cgroup
(rw,nosuid,nodev,noexec,relatime,blkio,release_agent=/usr/lib/ulatencyd/ulatencyd_cleanup.lua)
cgroup on /sys/fs/cgroup/perf_event type cgroup
(rw,nosuid,nodev,noexec,relatime,perf_event,clone_children)
--
Ritesh Raj Sarraf
RESEARCHUT - http://www.researchut.com
"Necessity is the mother of invention."
Package: initscripts
Version: 2.88dsf-57
Followup-For: Bug #601757
Is there any reason why the initscript maintainers haven't fixed this
bug ? Let alone fix, there's no comment on what their view is.
And this bug is more than 3 yrs old..
-- System Information:
Debian Release: jessie/sid
APT prefers testing
APT policy: (990, 'testing'), (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 3.16.0-4-amd64 (SMP w/8 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages initscripts depends on:
ii coreutils 8.23-3
ii debianutils 4.4+b1
ii libc6 2.19-12
ii lsb-base 4.1+Debian13+nmu1
ii mount 2.25.2-2
ii openrc [sysv-rc] 0.13.1-4
ii sysvinit-utils 2.88dsf-57
Versions of packages initscripts recommends:
ii e2fsprogs 1.42.12-1
ii psmisc 22.21-2
initscripts suggests no packages.
-- no debconf information
Acknowledgement sent
to John Paul Adrian Glaubitz <[email protected]>:
Extra info received and forwarded to list. Copy sent to Debian sysvinit maintainers <[email protected]>.
(Mon, 10 Nov 2014 22:27:04 GMT) (full text, mbox, link).
Hello Ritesh!
May I ask why you set the severity to "grave"? As far as I know,
Debian Jessie is going to be released with systemd as the default
init for all release architectures to which kfreebsd-* does not
belong to.
I don't think that this bug is going to be fixed any time soon
if the sysvinit maintainers didn't bother enough to fix it
the past three years.
Adrian
--
.''`. John Paul Adrian Glaubitz
: :' : Debian Developer - [email protected]
`. `' Freie Universitaet Berlin - [email protected]
`- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913
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(Tue, 11 Nov 2014 07:15:09 GMT) (full text, mbox, link).
On 11/11/2014 03:54 AM, John Paul Adrian Glaubitz wrote:
> Hello Ritesh!
>
> May I ask why you set the severity to "grave"? As far as I know,
> Debian Jessie is going to be released with systemd as the default
> init for all release architectures to which kfreebsd-* does not
> belong to.
>
The bug is more than 4 years old. And no maintainer wants to bring it to
closure. There's no comment even whether it is something correct or not.
> I don't think that this bug is going to be fixed any time soon
> if the sysvinit maintainers didn't bother enough to fix it
> the past three years.
It is unclear whether what the maintainers want to do with this bug
report. With the maintainers mum, all we can do is assume.
--
Ritesh Raj Sarraf | http://people.debian.org/~rrs
Debian - The Universal Operating System
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to Petter Reinholdtsen <[email protected]>:
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(Tue, 11 Nov 2014 07:39:10 GMT) (full text, mbox, link).
Subject: Re: [Pkg-sysvinit-devel] Bug#601757: Please mount cgroup
automatically
Date: Tue, 11 Nov 2014 08:24:29 +0100
[Ritesh Raj Sarraf]
> The bug is more than 4 years old. And no maintainer wants to bring
> it to closure. There's no comment even whether it is something
> correct or not.
I believe cgroup was discussed in <URL: http://bugs.debian.org/572733 >
already. Is there something new since that bug report?
--
Happy hacking
Petter Reinholdtsen
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(Tue, 11 Nov 2014 07:39:14 GMT) (full text, mbox, link).
Control: severity -1 wishlist
Control: forcemerge 572733 -1
On 11/11/2014 12:54 PM, Petter Reinholdtsen wrote:
> [Ritesh Raj Sarraf]
>> The bug is more than 4 years old. And no maintainer wants to bring
>> it to closure. There's no comment even whether it is something
>> correct or not.
>
> I believe cgroup was discussed in <URL: http://bugs.debian.org/572733 >
> already. Is there something new since that bug report?
>
Thanks. I'm merging it to the older one. The bug request is the same, to
enable cgroup moutpoints.
--
Ritesh Raj Sarraf | http://people.debian.org/~rrs
Debian - The Universal Operating System
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(Tue, 11 Nov 2014 18:57:04 GMT) (full text, mbox, link).
Subject: Re: [Pkg-sysvinit-devel] Bug#601757: Bug#601757: Please mount cgroup
automatically
Date: Tue, 11 Nov 2014 16:55:34 -0200
On Wed, 03 Aug 2011, Raphael Hertzog wrote:
> On Fri, 29 Oct 2010, Daniel Baumann wrote:
> > On 10/29/2010 07:43 PM, Henrique de Moraes Holschuh wrote:
> > > I like it. Is this mountpoint "blessed" by someone, since it is inside
> > > /sys? Are other distros also using this path?
> >
> > it's the upstream ___location to mount it, see comments in
> > http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=595964
> > for more information.
>
> Ping?
>
> It looks like straightforward to fix, is there a reason why it has not yet
> been done?
I don't know why it fell through the cracks in the first place, but when I
look at the bug report *now*, two things come to mind:
1. Is it *safe* and *undeniably always correct* to mount the cgroupfs in
that mountpoint, with the mount options used in the patch?
This answer needs only to take jessie into account. But it does
need to consider jessie's cgmanager and systemd at the very least,
not just lxc.
2. How does it play with jessie's systemd and cgmanager (I hope the answer
is: it doesn't cause any issues).
--
"One disk to rule them all, One disk to find them. One disk to bring
them all and in the darkness grind them. In the Land of Redmond
where the shadows lie." -- The Silicon Valley Tarot
Henrique Holschuh
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to Raphael Hertzog <[email protected]>:
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(Tue, 11 Nov 2014 21:51:04 GMT) (full text, mbox, link).
Subject: Re: [Pkg-sysvinit-devel] Bug#601757: Bug#601757: Please mount cgroup
automatically
Date: Tue, 11 Nov 2014 22:48:36 +0100
On Tue, 11 Nov 2014, Henrique de Moraes Holschuh wrote:
> 1. Is it *safe* and *undeniably always correct* to mount the cgroupfs in
> that mountpoint, with the mount options used in the patch?
>
> This answer needs only to take jessie into account. But it does
> need to consider jessie's cgmanager and systemd at the very least,
> not just lxc.
>
> 2. How does it play with jessie's systemd and cgmanager (I hope the answer
> is: it doesn't cause any issues).
I don't know the answers to those questions and the bug is now much less
relevant to me given that something else (likely systemd) does mount it
automatically for me, so I'm not going to spend time investigating your
questions.
Cheers,
--
Raphaël Hertzog ◈ Debian Developer
Support Debian LTS: http://www.freexian.com/services/debian-lts.html
Learn to master Debian: http://debian-handbook.info/get/
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to Henrique de Moraes Holschuh <[email protected]>:
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(Tue, 11 Nov 2014 22:06:05 GMT) (full text, mbox, link).
Subject: Re: [Pkg-sysvinit-devel] Bug#601757: Bug#601757: Please mount cgroup
automatically
Date: Tue, 11 Nov 2014 20:04:14 -0200
On Tue, 11 Nov 2014, Raphael Hertzog wrote:
> On Tue, 11 Nov 2014, Henrique de Moraes Holschuh wrote:
> > 1. Is it *safe* and *undeniably always correct* to mount the cgroupfs in
> > that mountpoint, with the mount options used in the patch?
> >
> > This answer needs only to take jessie into account. But it does
> > need to consider jessie's cgmanager and systemd at the very least,
> > not just lxc.
> >
> > 2. How does it play with jessie's systemd and cgmanager (I hope the answer
> > is: it doesn't cause any issues).
>
> I don't know the answers to those questions and the bug is now much less
> relevant to me given that something else (likely systemd) does mount it
> automatically for me, so I'm not going to spend time investigating your
> questions.
That's perfectly understandable.
--
"One disk to rule them all, One disk to find them. One disk to bring
them all and in the darkness grind them. In the Land of Redmond
where the shadows lie." -- The Silicon Valley Tarot
Henrique Holschuh
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(Sun, 12 Feb 2017 21:03:03 GMT) (full text, mbox, link).
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Marked as found in versions sysvinit/2.96-4, sysvinit/2.86.ds1-65, and sysvinit/3.06-4.
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(Wed, 12 Feb 2025 14:57:05 GMT) (full text, mbox, link).
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