boot parameter "cgroup_disable=memory"

[dino99]

Glancing at dmesg, i'm testing that boot parameter, but got surprised about the result:

[ 0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-3.11.0-11-generic root=UUID=9e61e83e-bca9-43cf-aa90-5a68892213fa ro crashkernel=384M-2G:64M,2G-:128M cgroup_disable=memory
[ 0.000000] Disabling memory control group subsystem

so it seems working; but later i'm seeing:

[ 0.008534] Initializing cgroup subsys memory
[ 0.008590] Initializing cgroup subsys devices
[ 0.008636] Initializing cgroup subsys freezer
[ 0.008682] Initializing cgroup subsys blkio
[ 0.008728] Initializing cgroup subsys perf_event
[ 0.008776] Initializing cgroup subsys hugetlb

thats making me confused; i was beleiving that all these processes been replaced by zram process inside the recent kernels. Am i wrong ?

ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: linux-image-3.11.0-11-generic 3.11.0-11.17
ProcVersionSignature: Ubuntu 3.11.0-11.17-generic 3.11.3
Uname: Linux 3.11.0-11-generic i686
NonfreeKernelModules: nvidia
ApportVersion: 2.12.5-0ubuntu1
Architecture: i386
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: oem 3186 F.... pulseaudio
Date: Fri Oct 4 09:14:52 2013
HibernationDevice: RESUME=UUID=0a9ca7f0-6eeb-4b21-b70f-670fa600de16
IwConfig:
 lo no wireless extensions.

 eth0 no wireless extensions.

 eth1 no wireless extensions.
Lsusb:
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 003 Device 002: ID 046d:c50e Logitech, Inc. Cordless Mouse Receiver
 Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: ASUSTEK COMPUTER INC P5W DH Deluxe
MarkForUpload: True
ProcFB:

ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-11-generic root=UUID=9e61e83e-bca9-43cf-aa90-5a68892213fa ro crashkernel=384M-2G:64M,2G-:128M cgroup_disable=memory
RelatedPackageVersions:
 linux-restricted-modules-3.11.0-11-generic N/A
 linux-backports-modules-3.11.0-11-generic N/A
 linux-firmware 1.116
RfKill:

SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
WifiSyslog:
 Oct 4 07:33:37 oem-desktop kernel: [ 1030.311038] perf samples too long (2513 > 2500), lowering kernel.perf_event_max_sample_rate to 50000
 Oct 4 07:37:32 oem-desktop kernel: [ 1265.386172] midori[20822]: segfault at 4 ip b4b7d649 sp bfe32fb0 error 4 in libjavascriptcoregtk-3.0.so.0.13.16[b4a2c000+4e8000]
 Oct 4 07:39:24 oem-desktop kernel: [ 1377.706293] midori[20917]: segfault at 4 ip b4b82649 sp bff64650 error 4 in libjavascriptcoregtk-3.0.so.0.13.16[b4a31000+4e8000]
dmi.bios.date: 07/22/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 3002
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P5W DH Deluxe
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr3002:bd07/22/2010:svnASUSTEKCOMPUTERINC:pnP5WDHDeluxe:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5WDHDeluxe:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: P5W DH Deluxe
dmi.product.version: System Version
dmi.sys.vendor: ASUSTEK COMPUTER INC

[Brad Figg (brad-figg)]

This change was made by a bot.

[penalvch (penalvch)]

Thank you for taking the time to report this issue and helping to make Ubuntu better. Examining the information you have given us, this does not appear to be a bug report so we are closing it and converting it to a question in the support tracker. We understand the difficulties you are facing, but it is better to raise problems you are having in the support tracker at https://answers.launchpad.net/ubuntu if you are uncertain if they are bugs. You can also find help with your problem in the support forum of your local Ubuntu community http://loco.ubuntu.com/ or asking at http://askubuntu.com or http://ubuntuforums.org. For help on reporting bugs, see https://help.ubuntu.com/community/ReportingBugs.

[dino99 (9d9)]

Let kernel'devs looking it first, as there are some other zram bugs around

[Brad Figg (brad-figg)]

This change was made by a bot.

[Joseph Salisbury (jsalisbury)]

Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v3.12 kernel[0].

If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'.

If you are unable to test the mainline kernel, for example it will not boot, please add the tag: 'kernel-unable-to-test-upstream'.
Once testing of the upstream kernel is complete, please mark this bug as "Confirmed".

Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.12-rc4-saucy/

[dino99 (9d9)]

@Joseph

here is the upstream testing results:

- 3.12-rc4 is missing the linux-headers....all.deb package, so have tested 3.12-rc3 instead
- 3.12-rc3 still have the same issue : look at dmesg.0
- 3.12-rc3 also have an issue with "nouveau" : it loads nicely, but after having opened "Files" to check the logs, i've got a hard lock (everything is frozen, and need a power reset); the details are inside Xorg.0.log.old

[dino99 (9d9)]

3.12-rc3 kernel log

[dino99 (9d9)]

3.12-rc3 "nouveau" overflow freeze

[Joseph Salisbury (jsalisbury)]

The 3.12 final kernel is now available. Can you test this kernel to see if the bug still exists in mainline:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.12-saucy/

[dino99 (9d9)]

Looks like linux-image-extras is missing

[dino99 (9d9)]

not seen with recent kernels