BUG: soft lockup - CPU#0 stuck for 22s! [kswapd0:33]

[Marco Salini]

This is an upgrade of LXLE (lxle.net) from 12.04 to 14.04.
The installation has been done by leaving the /home partition intact and installing the 14.04 upon the re-formatted /boot and /root and /swap partitions. The size of all the partitions have been kept the same.

I get this error soon after I start up the Notebook pretty much 70% of the times. And it comes up multiple times while the Notebook is on. What follows are random spikes of CPU load with few seconds of freezes.

However, when I use Chromium, thing get worst. CPU spikes are longer and it often requires a restart.

Chromium details:

--------------------
Chromium 49.0.2623.108 (Developer Build) Ubuntu 14.04 (32-bit)
Revision d65a1c2f313b54fb0b90bb8a1082e4f5ecba2dda
OS Linux
Blink 537.36 (@d65a1c2f313b54fb0b90bb8a1082e4f5ecba2dda)
JavaScript V8 4.9.385.33
Flash 11.2.999.999
User Agent Mozilla/5.0 (X11; Linux i686) AppleWebKit/537.36 (KHTML, like Gecko) Ubuntu Chromium/49.0.2623.108 Chrome/49.0.2623.108 Safari/537.36
Command Line /usr/lib/chromium-browser/chromium-browser --ppapi-flash-path=/usr/lib/adobe-flashplugin/libpepflashplayer.so --ppapi-flash-version --enable-pinch --window-depth=24 --flag-switches-begin --disable-quic --flag-switches-end
Executable Path /usr/lib/chromium-browser/chromium-browser
Profile Path /home/msal/.config/chromium/Default
Variations cf5ed6e1-3f4a17df
f1eb96ab-3f4a17df
775ebbd7-3f4a17df
f5dd6118-2f5721af
4ea303a6-3f4a17df
dbffab5d-f51b51
c8b9b12d-d93a0620
867c4c68-3f4a17df
a70306ec-3f4a17df
--------------------

Attached in the Apport .crash report

Thanks

M.
---
ApportVersion: 2.14.1-0ubuntu3.20
Architecture: i386
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: brucopeloso 2847 F.... pulseaudio
CurrentDesktop: LXDE
DistroRelease: Ubuntu 14.04
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=580edce1-e022-4aec-9123-a50687f0a963
MachineType: Hewlett-Packard HP Mini 5101
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-86-generic root=UUID=7462b3f0-9e8f-4431-9aaa-ace395d4ef91 ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 3.13.0-86.131-generic 3.13.11-ckt39
RelatedPackageVersions:
 linux-restricted-modules-3.13.0-86-generic N/A
 linux-backports-modules-3.13.0-86-generic N/A
 linux-firmware 1.127.22
StagingDrivers: zram
Tags: trusty staging
Uname: Linux 3.13.0-86-generic i686
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
WifiSyslog:

_MarkForUpload: True
dmi.bios.date: 07/06/2009
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 68DGI Ver. F.01
dmi.board.name: 3632
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 34.0F
dmi.chassis.asset.tag: CNU9322GCH
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvr68DGIVer.F.01:bd07/06/2009:svnHewlett-Packard:pnHPMini5101:pvrF.01:rvnHewlett-Packard:rn3632:rvrKBCVersion34.0F:cvnHewlett-Packard:ct10:cvr:
dmi.product.name: HP Mini 5101
dmi.product.version: F.01
dmi.sys.vendor: Hewlett-Packard

[Brad Figg (brad-figg)]

This bug is missing log files that will aid in diagnosing the problem. From a terminal window please run:

apport-collect 1584051

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

[Joseph Salisbury (jsalisbury)]

Did this issue start happening after an update/upgrade? Was there a prior kernel version where you were not having this particular problem?

Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.6 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'.

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/v4.6-yakkety

[Marco Salini (x-l2unchpad-x)]

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[Marco Salini (x-l2unchpad-x)]

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[Marco Salini (x-l2unchpad-x)]

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[Marco Salini (x-l2unchpad-x)]

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[Marco Salini (x-l2unchpad-x)]

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[Marco Salini (x-l2unchpad-x)]

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[Marco Salini (x-l2unchpad-x)]

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[Marco Salini (x-l2unchpad-x)]

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[Marco Salini (x-l2unchpad-x)]

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[Marco Salini (x-l2unchpad-x)]

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[Marco Salini (x-l2unchpad-x)]

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[Marco Salini (x-l2unchpad-x)]

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[Marco Salini (x-l2unchpad-x)]

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[Marco Salini (x-l2unchpad-x)]

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[Marco Salini (x-l2unchpad-x)]

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[Marco Salini (x-l2unchpad-x)]

I have ran apport-collect as per Brad's request (comments section)

[Marco Salini (x-l2unchpad-x)]

WIll try to install the Kernel tonight or worst case on Monday.

[Marco Salini (x-l2unchpad-x)]

And yes, the issue started after the upgrade. I didn't have any problems with the 12.04. I am sorry I do not re-call which version of the Kernel I was running on 12.04

[Marco Salini (x-l2unchpad-x)]

Installed 4.6 Kernel:

@HP-Mini-5101:~$ uname -a
Linux HP-Mini-5101 4.6.0-040600-generic #201605151930 SMP Sun May 15 23:47:30 UTC 2016 i686 i686 i686 GNU/Linux

still getting the same error.

[penalvch (penalvch)]

Marco Salini, could you please test the latest mainline kernel (4.7-rc1) and advise to the results?

[Marco Salini (x-l2unchpad-x)]

Hi Christopher,

will do that, as soon as 4.7 turns into a stable release.
I just prefer that way, if you have nothing against it.

[Marco Salini (x-l2unchpad-x)]

Sorry, my netbook had become totally unusable (the keyboard was unresponsive on specific websites, the CPU invariably between 85% and 100% aetc etc) and I couldn't afford waiting for another kernel release in the unlikely hope that this would resolve the matter.
I simple made a fresh re-install of LXLE 14.04.4 with kernel 3.13.0-91 and things now work smoothly.
Regards
Marco

[Launchpad Janitor (janitor)]

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