** Also affects: indicator-datetime (Ubuntu)
Importance: Undecided
Status: New
** Changed in: canonical-devices-system-image
Status: Incomplete => Confirmed
** Changed in: canonical-devices-system-image
Assignee: Pat McGowan (pat-mcgowan) => Alejandro J. Cura (alecu)
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https://bugs.launchpad.net/bugs/1647982
Title:
[Regression]: Krillin gets to a state where OOM starts killing every
app (also Dash)
Status in Canonical System Image:
Confirmed
Status in indicator-datetime package in Ubuntu:
New
Bug description:
Krillin, rc-proposed/bq-aquaris.en, r486
Description:
In the last 3 weeks I managed to get myself into a situation where it was
completely unusable.
Basically, every time I started an app (the *only* one currently running), it
would get killed
by OOM after a very short amount of time.
It did not let me do anything, a few seconds after running the app, the OOM
would kick in and kill it.
At one point it started killing the Dash as well as it had nothing else to
kill as no apps were running.
A reboot fixes it.
I'm not sure about how to reproduce this yet. Once you get into that
situation, the only thing you can do seems to be a reboot.
I experienced this problem about 3 times in the last couple of weeks.
I already reported it to the Unity8 team when it happened, but it
seems like the logs I provided were not enough to show the cause of
the issue.
The logs show that some processes have really high Virtual Memory Size,
probably because they link to plenty of shared libraries or load plenty of
plugins, but it's maybe something we want to keep an eye on...
See polld and push-client: they have 900+Mb of VSZ, each.
Evidence of OOM killing Telegram and then the Dash:
"free -m" was showing 151Mb with no apps running, then when I tried to run
one, it would get killed.
Nov 18 11:08:33 ubuntu-phablet kernel: [182604.420249] Free memory is
-2912kB above reserved [gfp(0x200da)]
Nov 18 11:09:19 ubuntu-phablet kernel: [182650.251867]Killing 'telegram'
(15175), adj 100,
Nov 18 11:09:19 ubuntu-phablet kernel: [182650.251871] to free 89460kB on
behalf of 'QSGRenderThread' (15244) because
Nov 18 11:09:19 ubuntu-phablet kernel: [182650.251876] cache 65396kB is
below limit 65536kB for oom_score_adj 12
Nov 18 11:09:19 ubuntu-phablet kernel: [182650.251881] Free memory is
-2820kB above reserved [gfp(0x200da)]
Nov 18 11:30:37 ubuntu-phablet kernel: [183928.542584]select 'unity8-dash'
(1385), adj 50, size 8384, to kill
Nov 18 11:30:37 ubuntu-phablet kernel: [183928.542617]Killing 'unity8-dash'
(1385), adj 50,
Nov 18 11:30:37 ubuntu-phablet kernel: [183928.542623] to free 33536kB on
behalf of 'lsb_release' (1428) because
Nov 18 11:30:37 ubuntu-phablet kernel: [183928.542629] cache 65248kB is
below limit 65536kB for oom_score_adj 12
Nov 18 11:30:37 ubuntu-phablet kernel: [183928.542634] Free memory is
-2900kB above reserved [gfp(0x200da)]
TOP RAM EATERS:
phablet@ubuntu-phablet:~$ ps aux --sort=-%mem | awk 'NR<=20{print $0}'
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
phablet 2998 0.7 13.3 856732 131420 ? Ssl Nov14 44:56 unity8
--mode=full-greeter
phablet 5292 6.6 9.8 525300 96952 ? Ssl 11:32 0:15 unity8-dash
--desktop_file_hint=unity8-dash.desktop
phablet 2163 0.1 1.8 26096 17996 ? Ss Nov14 11:36 dbus-daemon
--fork --session --address=unix:abstract=/tmp/dbus-VwsPw6LOmi
phablet 3706 0.2 1.7 357620 17064 ? Ssl Nov14 15:48 maliit-server
phablet 3721 0.1 1.7 935372 16760 ? Ssl Nov14 6:38
/usr/bin/account-polld
phablet 3828 0.0 1.5 219696 15360 ? Sl Nov14 2:17
/usr/lib/evolution/evolution-calendar-factory
phablet 3696 0.0 1.5 137904 15140 ? Ssl Nov14 4:40
/usr/lib/arm-linux-gnueabihf/sync-monitor/sync-monitor
phablet 3623 0.0 0.9 193676 9592 ? Ssl Nov14 3:56
/usr/lib/arm-linux-gnueabihf/indicator-datetime/indicator-datetime-service
phablet 2941 0.0 0.8 146332 8028 ? Ssl Nov14 0:22
/usr/lib/arm-linux-gnueabihf/address-book-service/address-book-service
phablet 3694 0.0 0.8 976116 7904 ? Ssl Nov14 1:58
/usr/lib/ubuntu-push-client/ubuntu-push-client
phablet 2959 0.0 0.6 97412 6836 ? S Nov14 1:45
/usr/bin/history-daemon
root 1619 0.3 0.4 111084 4624 ? Ssl Nov14 20:10
NetworkManager
phablet 3768 0.0 0.4 394092 4360 ? Ssl Nov14 1:33
/usr/lib/arm-linux-gnueabihf/unity-scopes/smartscopesproxy upstart
phablet 20493 0.0 0.3 52036 3928 ? Sl 11:18 0:00
/usr/lib/arm-linux-gnueabihf/thumbnailer/thumbnailer-service
phablet 3814 0.0 0.3 63724 3912 ? Ssl Nov14 1:14
/usr/lib/arm-linux-gnueabihf/indicator-network/indicator-network-service
phablet 3861 0.0 0.3 352740 3848 ? Ssl Nov14 1:28
/usr/lib/arm-linux-gnueabihf/unity-scopes/scoperegistry
phablet 2794 0.0 0.3 131456 3712 ? Ssl Nov14 0:10
/usr/bin/telephony-service-indicator
root 1949 0.1 0.3 178760 3408 ? Sl Nov14 11:05
unity-system-compositor --disable-overlays=false
--spinner=/usr/bin/unity-system-compositor-spinner --file /run/mir_socket
--from-dm-fd 10 --to-dm-fd 13 --vt 1
phablet 7245 0.0 0.3 120452 3408 ? Sl Nov14 0:09
/usr/bin/telephony-service-approver
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