[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Jonathan Stucklen]

Turns out after a fresh reboot the memory usage isn't much different
after I close all apps and VmData for gnome shell is only about 400MB.
So, perhaps this isn't the smoking gun I thought it was.

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Jonathan Stucklen]

Thanks @vanvugt, this was helpful. I'm running ubuntu 23.10. It's been
about a week since I rebooted and I noticed swap usage was quite high.
I've got 32GB of RAM and am a developer with a bunch of stuff open at
once. Decided to investigate. Closed everything, but left just gnome
running and a terminal. Did a swapoff -a to clear swap and dropped
caches to get it as close to just what was allocated as possible. It
still showed 14GB of memory used with 5GB in cache. That seems high.

So, ran this to take a look at VmData for gnome-shell:

  cat /proc/$(pgrep -f /usr/bin/gnome-shell)/status | grep VmData

That reveals:

  VmData:1231000 kB

That seems a bit excessive.

Full disclosure. I do use extensions. It's too bare-bones without them.

I miss being able to Alt-F2 -> R and reboot gnome, but it appears to not
be possible now with Wayland.



> It's important to remember that RSS increases is no indication of a leak - it 
> will rise and fall according to how busy the machine is and not how much new 
> memory the process has allocated. Please ignore all RSS values as they are 
> going to be unpredictable and misleading.
> 
> As for VSZ, that's kind of related to potential leaks. The problem with VSZ 
> is that it's a measure of the address space mappings size and is also not a 
> measure of regular memory allocated by the process. Although you can use 
> changes in VSZ to detect leaks and bloat, address space used by VSZ is not an 
> indication of the memory requirements of the process.
> 
> Probably a better field to monitor for actual leaks is VmData which you can 
> find in:
>   /proc/PID/status
> 
> VmData is a more realistic indication of memory allocated by the process.

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Sami Farin]

3952 KiB extra memory usage by gnome-shell when I change window of kitty 
(terminal).
Two megabytes for one press of alt-tab! 﫣

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Sami Farin]

Regarding continually increasing Pss_Shmem, diffing numa_maps has these...
Can these glfw mappings be reason for the increased memory usage?

59d20d348000 default file=/usr/bin/gnome-shell anon=1 dirty=1 active=0 N0=1 
kernelpagesize_kB=4
 59d20d988000 default heap anon=26945 dirty=26945 active=0 N0=26945 
kernelpagesize_kB=4
-775066988000 default file=/memfd:glfw-shared\040(deleted) dirty=234 mapmax=2 
active=0 N0=234 kernelpagesize_kB=4
+775064ebb000 default file=/memfd:glfw-shared\040(deleted) dirty=231 mapmax=2 
active=0 N0=231 kernelpagesize_kB=4
+775065042000 default file=/memfd:glfw-shared\040(deleted) dirty=240 active=0 
N0=240 kernelpagesize_kB=4
+7750651c9000 default file=/dev/dri/card0
+7750655c9000 default file=/memfd:glfw-shared\040(deleted) dirty=233 active=0 
N0=233 kernelpagesize_kB=4
+77506575 default file=/memfd:glfw-shared\040(deleted) dirty=242 active=0 
N0=242 kernelpagesize_kB=4
+7750658d7000 default file=/memfd:glfw-shared\040(deleted) dirty=235 active=0 
N0=235 kernelpagesize_kB=4
+775065a5e000 default file=/memfd:glfw-shared\040(deleted) dirty=228 active=0 
N0=228 kernelpagesize_kB=4
+775065be5000 default file=/dev/dri/card0
+775065fe5000 default file=/memfd:glfw-shared\040(deleted) dirty=237 mapmax=2 
active=0 N0=237 kernelpagesize_kB=4
+77506616c000 default file=/memfd:glfw-shared\040(deleted) dirty=246 active=0 
N0=246 kernelpagesize_kB=4
+7750662f3000 default file=/memfd:glfw-shared\040(deleted) dirty=240 active=0 
N0=240 kernelpagesize_kB=4
+77506647a000 default file=/memfd:glfw-shared\040(deleted) dirty=232 active=0 
N0=232 kernelpagesize_kB=4
+77506667a000 default file=/memfd:glfw-shared\040(deleted) dirty=232 active=0 
N0=232 kernelpagesize_kB=4
+775066801000 default file=/memfd:glfw-shared\040(deleted) dirty=241 active=0 
N0=241 kernelpagesize_kB=4
+775066988000 default file=/memfd:glfw-shared\040(deleted) dirty=234 active=0 
N0=234 kernelpagesize_kB=4
 775066b0f000 default file=/memfd:glfw-shared\040(deleted) dirty=227 active=0 
N0=227 kernelpagesize_kB=4
-775066c96000 default file=/dev/dri/card0
+775066d88000 default file=/memfd:glfw-shared\040(deleted) dirty=234 active=0 
N0=234 kernelpagesize_kB=4
+775066f0f000 default file=/memfd:glfw-shared\040(deleted) dirty=227 active=0 
N0=227 kernelpagesize_kB=4
 775067096000 default file=/memfd:glfw-shared\040(deleted) dirty=236 active=0 
N0=236 kernelpagesize_kB=4
 77506721d000 default file=/memfd:glfw-shared\040(deleted) dirty=245 active=0 
N0=245 kernelpagesize_kB=4

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Sami Farin]

I have 32 GiB RAM.

Oct 03 16:21:10 kernel: Out of memory: Killed process 448186 (gnome-
shell) total-vm:17570844kB, anon-rss:336828kB, file-rss:2548kB, shmem-
rss:7665392kB, UID:500 pgtables:28128kB oom_score_adj:200

Running with gnome-shell 43.0 and gjs-1.74.0:

21d6240-7ffe2b9a2000 ---p  00:00 0   
[rollup]
Rss: 4645900 kB
Pss: 4625270 kB
Pss_Anon: 347040 kB
Pss_File:   9415 kB
Pss_Shmem:   4268815 kB
Shared_Clean:  12584 kB
Shared_Dirty:  20184 kB
Private_Clean:  7368 kB
Private_Dirty:   4605764 kB
Referenced:  4002232 kB
Anonymous:347040 kB
LazyFree:  0 kB
AnonHugePages:133120 kB
ShmemPmdMapped:0 kB
FilePmdMapped: 0 kB
Shared_Hugetlb:0 kB
Private_Hugetlb:   0 kB
Swap:  0 kB
SwapPss:   0 kB
Locked:0 kB

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Tomasz Owczarek]

Still happening on Ubuntu 18.04.6: gnome-shell 3.28.4:

KiB Mem : 20210320 total,  5287136 free,  9839436 used,  5083748 buff/cache
KiB Swap: 38653948 total, 35113980 free,  3539968 used.  9823860 avail Mem 

  PID USER  PR  NIVIRTRESSHR S  %CPU %MEM TIME+ COMMAND 

   
 3664 tomek 20   0 8356864 3.843g  81904 S  81.7 19.9 378:32.26 gnome-shell

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Josh Myer]

FWIW, I have a pretty consistent reproduction of this on my 20.04
machine here.  Restarting gnome-shell with Alt-F2 then "r" causes all
the window management stuff to go away, but doesn't actually kill the
process that's reporting the giant resident set size.  Manually killing
that pid also causes the WM chrome to disappear for a second and then
pop back once a new gnome-shell process spawns.  That one comes up
almost instantly with a huge (but smaller, at least) RSS:

0] jbm@complexity:~/Downloads $ ps l 650626
F   UID PIDPPID PRI  NIVSZ   RSS WCHAN  STAT TTYTIME COMMAND
0  1000  6506262554  20   0 6884676 2449912 -   Rsl  ? 62:14 
/usr/bin/gnome-shell
0] jbm@complexity:~/Downloads $ kill 650626

(run top to get the new PID)

130] jbm@complexity:~/Downloads $ ps l 665168
F   UID PIDPPID PRI  NIVSZ   RSS WCHAN  STAT TTYTIME COMMAND
0  1000  6651682554  20   0 6248912 1988284 poll_s Ssl ?0:57 
/usr/bin/gnome-shell

So, it's gone from 2449912 to 1988284.  That isn't nothing: 2.3GiB vs
1.9GiB, but it's still a heck of a lot of RAM for a newly-spawned
process.

Hope this report helps!

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Norbert]

** Tags removed: artful zesty

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Hassan Kibiti]

** Changed in: gjs (Ubuntu)
 Assignee: (unassigned) => Hassan Kibiti (kibitih)

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Daniel van Vugt]

I don't know what I was thinking... This bug is clearly declared fixed
in 18.04 already:

gjs (1.52.1-1ubuntu1) bionic; urgency=medium

  * Add fix-crashes-lp1763878-revert-575f1e2e077.patch to fix shutdown
crashes (LP: #1763878)
  * Add some patches to solve large memory leaks (LP: #1672297)
- fix-leaks-lp1672297-1-context-Add-API-to-force-GC-schedule.patch
- fix-leaks-lp1672297-2-object-Queue-a-forced-GC-when-toggling-down.patch
- Note: More such patches are under review so this list may grow in future.

 -- Daniel van Vugt   Mon, 16 Apr 2018
14:30:31 +0800

If anyone experiences new leaks in 18.10 then please see bug 1800165.
For anything else, please open a new bug.

** Changed in: gjs (Ubuntu Bionic)
   Status: Triaged => Fix Released

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Daniel van Vugt]

This bug is fixed in Ubuntu 18.10, but beware 18.10 also brings a new
separate leak: bug 1800165.

This bug is not yet fixed in Ubuntu 18.04 because the fix for this one
also causes a performance regression in 18.10 that we don't want to
repeat in 18.04:

  https://gitlab.gnome.org/GNOME/gjs/merge_requests/236

We will need to backport that fix as part of the fix here so the
performance regression is never seen in 18.04. However, technically we
are required to get the performance fix into 18.10 before we can proceed
with 18.04 here. :S

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Balazs Pere]

I switched from nvidia driver to nouveau driver and the huge memory
usage disappeared. Small jumps (increase) in memory usage stayed with
us.

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Daniel van Vugt]

** Changed in: gjs (Ubuntu Bionic)
   Status: In Progress => Triaged

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Balazs Pere]

No comment...

** Attachment added: "screenshot of gnome-usage"
   
https://bugs.launchpad.net/gnome-shell/+bug/1672297/+attachment/5190499/+files/Screenshot%20from%202018-09-19%2011-33-32.png

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[kerozoli]

Gnome 3.30 is out. Are there any ETA or plan to fix this Critical issue?

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Re: [Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Balazs Pere]

I installed Ubuntu 18.10 gjs and libgjs0g 1.53.3-1 (of  Ubuntu 18.10) to
Ubuntu 18.04. It seems that the memory leak lives forever...
Memory usage started from 170MB, and after two hours is over 360MB.
[image: Képernyőkép erről: 2018-09-02 23-46-44.png]

chris pollock <1672...@bugs.launchpad.net> ezt írta (időpont: 2018. aug.
20., H, 16:51):

> This is:
>  apt-cache policy gnome-shell
> gnome-shell:
>   Installed: 3.28.2-0ubuntu0.18.04.1
>   Candidate: 3.28.2-0ubuntu0.18.04.1
>
> apt-cache policy evolution
> evolution:
>   Installed: 3.28.1-2
>   Candidate: 3.28.1-2
>
> lsb_release -crid
> Distributor ID: Ubuntu
> Description:Ubuntu 18.04.1 LTS
> Release:18.04
> Codename:   bionic
>
> uname -a
> Linux localhost 4.15.0-32-generic #35-Ubuntu SMP Fri Aug 10 17:58:07 UTC
> 2018 x86_64 x86_64 x86_64 GNU/Linux
>
> Aug 20 08:46:13 localhost evolution.desktop[2662]: Memory pressure relief:
> Total: res = 19537920/16986112/-2551808, res+swap =
> 14004224/11452416/-2551808
> Aug 20 08:46:19 localhost evolution.desktop[2662]: Memory pressure relief:
> Total: res = 16916480/16908288/-8192, res+swap = 11382784/11374592/-8192
> Aug 20 08:46:58 localhost evolution.desktop[2662]: Memory pressure relief:
> Total: res = 16908288/16908288/0, res+swap = 11374592/11374592/0
> Aug 20 08:47:29 localhost evolution.desktop[2662]: Memory pressure relief:
> Total: res = 16908288/16912384/4096, res+swap = 11378688/11378688/0
> Aug 20 08:47:59 localhost evolution.desktop[2662]: Memory pressure relief:
> Total: res = 16912384/16912384/0, res+swap = 11378688/11378688/0
>
> Not sure if this pertains to this bug at all. I noticed the above every
> few minutes in my syslog after upgrading to 18.04.1 last week.
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1672297
>
> Title:
>   gnome-shell uses lots of memory, and grows over time
>
> Status in GNOME Shell:
>   Confirmed
> Status in gjs package in Ubuntu:
>   Fix Released
> Status in gjs source package in Bionic:
>   In Progress
>
> Bug description:
>   Upstream:
>   https://gitlab.gnome.org/GNOME/gnome-shell/issues/64
>
>   ---
>
>   gnome-shell's RSS is growing by 1 MiB every few minutes, and is now at
>   almost 2 GiB.
>
>   user  3039  1.8 16.1 4302340 1968476 tty2  Sl+  Mar09 120:17
>   /usr/bin/gnome-shell
>
>   strace output is voluminous; here is a representative sample:
>
>   poll([{fd=5, events=POLLIN|POLLOUT}], 1, -1) = 1 ([{fd=5,
> revents=POLLOUT}])
>   writev(5, [{"\231\n\10\0\n\0
> \0\0\0\0\0\0\0\0\0\0\0\0\0\1\0\0\0\0\0\0\0\0\0\0\0", 32}], 1) = 32
>   poll([{fd=5, events=POLLIN}], 1, -1)= 1 ([{fd=5, revents=POLLIN}])
>   recvmsg(5, {msg_name(0)=NULL,
> msg_iov(1)=[{"\1\0{\224\0\0\0\0H\0\0\0\0\23\266\32\0\0\0\0\201\242\204\0\0\0\0\0\261.\0\0",
> 4096}], msg_controllen=0, msg_flags=0}, 0) = 32
>   recvmsg(5, 0x7fff60efac90, 0)   = -1 EAGAIN (Resource
> temporarily unavailable)
>   recvmsg(5, 0x7fff60efac90, 0)   = -1 EAGAIN (Resource
> temporarily unavailable)
>   poll([{fd=5, events=POLLIN|POLLOUT}], 1, -1) = 1 ([{fd=5,
> revents=POLLOUT}])
>   writev(5, [{"\212\5\4\0a\2228\0y\3\5\0%\3\27\4\231\6\5\0\n\0
> \0a\2228\0\0\0\0\0"..., 36}, {NULL, 0}, {"", 0}], 3) = 36
>   poll([{fd=5, events=POLLIN}], 1, -1)= 1 ([{fd=5, revents=POLLIN}])
>   recvmsg(5, {msg_name(0)=NULL,
> msg_iov(1)=[{"\1\0}\224\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0",
> 4096}], msg_controllen=0, msg_flags=0}, 0) = 32
>   recvmsg(5, 0x7fff60efac90, 0)   = -1 EAGAIN (Resource
> temporarily unavailable)
>   poll([{fd=5, events=POLLIN|POLLOUT}], 1, -1) = 1 ([{fd=5,
> revents=POLLOUT}])
>   writev(5, [{"\212\n\2\0a\2228\0", 8}, {NULL, 0}, {"", 0}], 3) = 8
>   recvmsg(5, 0x7fff60efb020, 0)   = -1 EAGAIN (Resource
> temporarily unavailable)
>   recvmsg(12, 0x7fff60efb000, 0)  = -1 EAGAIN (Resource
> temporarily unavailable)
>   poll([{fd=4, events=POLLIN}, {fd=5, events=POLLIN}, {fd=11,
> events=POLLIN}, {fd=12, events=POLLIN}, {fd=14, events=POLLIN}, {fd=16,
> events=POLLIN}, {fd=26, events=POLLIN}, {fd=29, events=POLLIN}, {fd=32,
> events=POLLIN}, {fd=34, events=POLLIN}, {fd=37, events=POLLIN}, {fd=38,
> events=POLLIN}, {fd=40, events=POLLIN}, {fd=42, events=POLLIN}, {fd=43,
> events=POLLIN}], 15, 0) = 0 (Timeout)
>   recvmsg(5, 0x7fff60efb040, 0)   = -1 EAGAIN (Resource
> temporarily unavailable)
>   recvmsg(5, 0x7fff60efb020, 0)   = -1 EAGAIN (Resource
> temporarily unavailable)
>   recvmsg(12, 0x7fff60efb000, 0)  = -1 EAGAIN (Resource
> temporarily unavailable)
>   poll([{fd=4, events=POLLIN}, {fd=5, events=POLLIN}, {fd=11,
> events=POLLIN}, {fd=12, events=POLLIN}, {fd=14, events=POLLIN}, {fd=16,
> events=POLLIN}, {fd=26, events=POLLIN}, {fd=29, events=POLLIN}, {fd=32,
> events=POLLIN}, {fd=34, events=POLLIN}, {fd=37, events=POLLIN}, {fd=38,
> events=POLLIN}, {fd=40, events=POLLIN}, {fd=42, events=POLLIN}, {fd=43,
> 

[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[chris pollock]

This is:
 apt-cache policy gnome-shell
gnome-shell:
  Installed: 3.28.2-0ubuntu0.18.04.1
  Candidate: 3.28.2-0ubuntu0.18.04.1

apt-cache policy evolution
evolution:
  Installed: 3.28.1-2
  Candidate: 3.28.1-2

lsb_release -crid
Distributor ID: Ubuntu
Description:Ubuntu 18.04.1 LTS
Release:18.04
Codename:   bionic

uname -a
Linux localhost 4.15.0-32-generic #35-Ubuntu SMP Fri Aug 10 17:58:07 UTC 2018 
x86_64 x86_64 x86_64 GNU/Linux

Aug 20 08:46:13 localhost evolution.desktop[2662]: Memory pressure relief: 
Total: res = 19537920/16986112/-2551808, res+swap = 14004224/11452416/-2551808
Aug 20 08:46:19 localhost evolution.desktop[2662]: Memory pressure relief: 
Total: res = 16916480/16908288/-8192, res+swap = 11382784/11374592/-8192
Aug 20 08:46:58 localhost evolution.desktop[2662]: Memory pressure relief: 
Total: res = 16908288/16908288/0, res+swap = 11374592/11374592/0
Aug 20 08:47:29 localhost evolution.desktop[2662]: Memory pressure relief: 
Total: res = 16908288/16912384/4096, res+swap = 11378688/11378688/0
Aug 20 08:47:59 localhost evolution.desktop[2662]: Memory pressure relief: 
Total: res = 16912384/16912384/0, res+swap = 11378688/11378688/0

Not sure if this pertains to this bug at all. I noticed the above every
few minutes in my syslog after upgrading to 18.04.1 last week.

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Title:
  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[florin]

Yesterday I discovered another Gnome software bug, (another) one of
Files (Nautilus). Without any reason, Files was running 4+% of the CPU
for a long time, without even touching it. Might be some interaction, if
I see that again, will file a separate bug report.

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[cement_head]

Will all these memory bleed issues be patched in the upcoming 18.04.1
LTS release?

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[MyUbunty]

Can we PLEASE get some kind of coherent update on this for bionic. Most
distros (debian unstable, arch) already incorporated this fix. Is this
fix coming? Is any part of it coming? This is issues is serious enough
that it needs addressing, please respond!

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  gnome-shell uses lots of memory, and grows over time

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Re: [Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Balazs Pere]

Ubuntu 18.04.1 is coming soon (tomorrow?). What about the bug fixes?

I know a temporary method, but it is not so nice (but it works, saves
~400MB RAM): run after login
sudo killall -u gdm
killall gnome-software

One more, clear gnome-calendar. It launches automatically, uses
constantly 2-400MB RAM, and do nothing.

sudo apt remove gnome-calendar

waffen <1672...@bugs.launchpad.net> ezt írta (időpont: 2018. júl. 16., H, 5:01):
>
> Well for this bug I need to install Xubuntu and lightdm, run very fast
> with no issues, BUT looks like Firefox is eating a lot of RAM in both
> desktops, for my job I need FF to be opened all the time, so the time to
> time I need to close it and relaunch it, if not FF freezing my desktop,
> now even Chrome eats a lower portion of RAM than FF... are you have
> similar problems with FF + ubuntu?
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1672297
>
> Title:
>   gnome-shell uses lots of memory, and grows over time
>
> Status in GNOME Shell:
>   Confirmed
> Status in gjs package in Ubuntu:
>   Fix Released
> Status in gjs source package in Bionic:
>   In Progress
>
> Bug description:
>   Upstream:
>   https://gitlab.gnome.org/GNOME/gnome-shell/issues/64
>
>   ---
>
>   gnome-shell's RSS is growing by 1 MiB every few minutes, and is now at
>   almost 2 GiB.
>
>   user  3039  1.8 16.1 4302340 1968476 tty2  Sl+  Mar09 120:17
>   /usr/bin/gnome-shell
>
>   strace output is voluminous; here is a representative sample:
>
>   poll([{fd=5, events=POLLIN|POLLOUT}], 1, -1) = 1 ([{fd=5, revents=POLLOUT}])
>   writev(5, [{"\231\n\10\0\n\0 
> \0\0\0\0\0\0\0\0\0\0\0\0\0\1\0\0\0\0\0\0\0\0\0\0\0", 32}], 1) = 32
>   poll([{fd=5, events=POLLIN}], 1, -1)= 1 ([{fd=5, revents=POLLIN}])
>   recvmsg(5, {msg_name(0)=NULL, 
> msg_iov(1)=[{"\1\0{\224\0\0\0\0H\0\0\0\0\23\266\32\0\0\0\0\201\242\204\0\0\0\0\0\261.\0\0",
>  4096}], msg_controllen=0, msg_flags=0}, 0) = 32
>   recvmsg(5, 0x7fff60efac90, 0)   = -1 EAGAIN (Resource temporarily 
> unavailable)
>   recvmsg(5, 0x7fff60efac90, 0)   = -1 EAGAIN (Resource temporarily 
> unavailable)
>   poll([{fd=5, events=POLLIN|POLLOUT}], 1, -1) = 1 ([{fd=5, revents=POLLOUT}])
>   writev(5, [{"\212\5\4\0a\2228\0y\3\5\0%\3\27\4\231\6\5\0\n\0 
> \0a\2228\0\0\0\0\0"..., 36}, {NULL, 0}, {"", 0}], 3) = 36
>   poll([{fd=5, events=POLLIN}], 1, -1)= 1 ([{fd=5, revents=POLLIN}])
>   recvmsg(5, {msg_name(0)=NULL, 
> msg_iov(1)=[{"\1\0}\224\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0",
>  4096}], msg_controllen=0, msg_flags=0}, 0) = 32
>   recvmsg(5, 0x7fff60efac90, 0)   = -1 EAGAIN (Resource temporarily 
> unavailable)
>   poll([{fd=5, events=POLLIN|POLLOUT}], 1, -1) = 1 ([{fd=5, revents=POLLOUT}])
>   writev(5, [{"\212\n\2\0a\2228\0", 8}, {NULL, 0}, {"", 0}], 3) = 8
>   recvmsg(5, 0x7fff60efb020, 0)   = -1 EAGAIN (Resource temporarily 
> unavailable)
>   recvmsg(12, 0x7fff60efb000, 0)  = -1 EAGAIN (Resource temporarily 
> unavailable)
>   poll([{fd=4, events=POLLIN}, {fd=5, events=POLLIN}, {fd=11, events=POLLIN}, 
> {fd=12, events=POLLIN}, {fd=14, events=POLLIN}, {fd=16, events=POLLIN}, 
> {fd=26, events=POLLIN}, {fd=29, events=POLLIN}, {fd=32, events=POLLIN}, 
> {fd=34, events=POLLIN}, {fd=37, events=POLLIN}, {fd=38, events=POLLIN}, 
> {fd=40, events=POLLIN}, {fd=42, events=POLLIN}, {fd=43, events=POLLIN}], 15, 
> 0) = 0 (Timeout)
>   recvmsg(5, 0x7fff60efb040, 0)   = -1 EAGAIN (Resource temporarily 
> unavailable)
>   recvmsg(5, 0x7fff60efb020, 0)   = -1 EAGAIN (Resource temporarily 
> unavailable)
>   recvmsg(12, 0x7fff60efb000, 0)  = -1 EAGAIN (Resource temporarily 
> unavailable)
>   poll([{fd=4, events=POLLIN}, {fd=5, events=POLLIN}, {fd=11, events=POLLIN}, 
> {fd=12, events=POLLIN}, {fd=14, events=POLLIN}, {fd=16, events=POLLIN}, 
> {fd=26, events=POLLIN}, {fd=29, events=POLLIN}, {fd=32, events=POLLIN}, 
> {fd=34, events=POLLIN}, {fd=37, events=POLLIN}, {fd=38, events=POLLIN}, 
> {fd=40, events=POLLIN}, {fd=42, events=POLLIN}, {fd=43, events=POLLIN}], 15, 
> 0) = 0 (Timeout)
>   recvmsg(5, 0x7fff60efb040, 0)   = -1 EAGAIN (Resource temporarily 
> unavailable)
>   open("/proc/self/stat", O_RDONLY)   = 36
>   fstat(36, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
>   fcntl(36, F_GETFL)  = 0x8000 (flags 
> O_RDONLY|O_LARGEFILE)
>   fstat(36, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
>   read(36, "3039 (gnome-shell) R 2930 2917 2"..., 4096) = 354
>   read(36, "", 3072)  = 0
>   close(36)   = 0
>   recvmsg(5, 0x7fff60efb020, 0)   = -1 EAGAIN (Resource temporarily 
> unavailable)
>   recvmsg(12, 0x7fff60efb000, 0)  = -1 EAGAIN (Resource temporarily 
> unavailable)
>   poll([{fd=4, events=POLLIN}, {fd=5, events=POLLIN}, {fd=11, events=POLLIN}, 
> {fd=12, events=POLLIN}, {fd=14, events=POLLIN}, {fd=16, 

[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[waffen]

Well for this bug I need to install Xubuntu and lightdm, run very fast
with no issues, BUT looks like Firefox is eating a lot of RAM in both
desktops, for my job I need FF to be opened all the time, so the time to
time I need to close it and relaunch it, if not FF freezing my desktop,
now even Chrome eats a lower portion of RAM than FF... are you have
similar problems with FF + ubuntu?

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Reuben Helms]

I recently changed my Ubuntu 18.04 installation to use i3 window manager
due to this issue, but alas, it's not enough, as GNOME is used for my
login screen. After 3 days away from my desk, the memory is 38.2G/39.2G
and swap is 14.6/22.4G and the /usr/bin/gnome-shell process owned by gdm
has taken 78.7% of my memory with 45.1G VIRT and 30.8G RES in htop.

Having to wait until 3 to 4 months for an upstream bugfix and doing
daily reboots is more disruption that I'm willing to put up with for a
"stable" release (and a LTS at that).

Any tips for installing a desktop manager for the login screen that
isn't gnome, or disabling gnome shell (and replacing with something not
gnome) until this gets fixed in a manner that is accessible to consumers
of the current stable release.

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Doug McMahon]

@ Nick Timkovich
The 'fix released' for 18.04 (1.52.1-1ubuntu1)  is to the extent as seen in 
comment 78 which may not be as developed as the 'fix released' for 18.10 , i.e 
comment 96
The bionic task for gjs as shown at top still says 'In progress' which *may* 
mean there are further gjs patches under consideration for 18.04..

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Nick Timkovich]

For us end-users, does "Fix Released" just mean released to a
nightly/unstable/private package repo? Because
https://packages.ubuntu.com/bionic/gjs still lists the version at
1.52.1, that means this still unreleased in stable?

What's the status to look out for when an `apt-get upgrade` will fix the
issue?

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Daniel van Vugt]

Laney,

Thanks for doing the work. I know that you know...

My main concern is about effective communication with the 141 users
subscribed here. And that means using a correct status value which I am
happy to do manually.

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Sebastien Bacher]

** Changed in: gjs (Ubuntu)
 Assignee: Ubuntu Desktop (ubuntu-desktop) => (unassigned)

** Changed in: gjs (Ubuntu Bionic)
 Assignee: Ubuntu Desktop (ubuntu-desktop) => (unassigned)

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Iain Lane]

OK, in this instance Simon had quoted this bug reference in the
changelog for a previous version:

  https://tracker.debian.org/news/958430/accepted-gjs-1523-2-source-
into-unstable/

lucky :-)

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Launchpad Bug Tracker]

This bug was fixed in the package gjs - 1.53.3-1

---
gjs (1.53.3-1) experimental; urgency=medium

  [ Simon McVittie ]
  * d/watch: Watch for development releases
  * New upstream development release

  [ Iain Lane ]
  * New upstream development releases 1.53.2 and 1.53.3

 -- Iain Lane   Wed, 27 Jun 2018 18:20:12 +0100

** Changed in: gjs (Ubuntu)
   Status: Fix Committed => Fix Released

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  gnome-shell uses lots of memory, and grows over time

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Re: [Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Iain Lane]

On Wed, Jul 04, 2018 at 09:30:05AM -, Daniel van Vugt wrote:
> Technically, being in cosmic-proposed only makes it Fix Committed. Not
> yet Fix Released.

Daniel, I know this, but syncpackage marks bugs as Fix Released and it's
manual work to go back and change it because nothing will do that for
you as the package migrates. I am, as I always do, tracking my upload
through proposed into the release.

If you want to do this manual work yourself, you can feel free of
course, but I personally don't think it's the best use of time.

-- 
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Debian Developer   [ la...@debian.org ]
Ubuntu Developer   [ la...@ubuntu.com ]

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Daniel van Vugt]

Technically, being in cosmic-proposed only makes it Fix Committed. Not
yet Fix Released.

** Changed in: gjs (Ubuntu)
   Status: Fix Released => Fix Committed

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Daniel van Vugt]

** Changed in: gjs (Ubuntu)
 Assignee: Daniel van Vugt (vanvugt) => Ubuntu Desktop (ubuntu-desktop)

** Changed in: gjs (Ubuntu Bionic)
 Assignee: Daniel van Vugt (vanvugt) => Ubuntu Desktop (ubuntu-desktop)

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Iain Lane]

This bug was fixed in the package gjs - 1.53.3-1

---
gjs (1.53.3-1) experimental; urgency=medium

  [ Simon McVittie ]
  * d/watch: Watch for development releases
  * New upstream development release

  [ Iain Lane ]
  * New upstream development releases 1.53.2 and 1.53.3

 -- Iain Lane   Wed, 27 Jun 2018 18:20:12 +0100

gjs (1.52.3-2) unstable; urgency=medium

  * Team upload
  * d/p/context-Add-API-to-force-GC-schedule.patch,
d/p/object-Queue-a-forced-GC-when-toggling-down.patch,
d/p/context-Ensure-force_gc-flag-is-not-lost-if-the-idle-is-s.patch:
Add patches from upstream version 1.53.1 to make GC more aggressive
(LP: #1672297)

 -- Simon McVittie   Thu, 17 May 2018 11:13:54 +0100

gjs (1.52.3-1) unstable; urgency=medium

  * New upstream release

 -- Tim Lunn   Tue, 08 May 2018 17:18:07 +1000

gjs (1.52.2-1) unstable; urgency=medium

  * New upstream release

 -- Tim Lunn   Fri, 20 Apr 2018 17:18:55 +1000

** Changed in: gjs (Ubuntu)
   Status: In Progress => Fix Released

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Daniel van Vugt]

I think the cleanest first step will be -> bug 1778660

That will allow us to drop the patches we're carrying and also get in
sync with Debian.

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Daniel van Vugt]

It appears the only gjs fixes we are missing are:
  https://gitlab.gnome.org/GNOME/gjs/merge_requests/121
  https://gitlab.gnome.org/GNOME/gjs/merge_requests/122

However the first is more to do with performance, and a little to do
with memory usage. It's also included in upstream gjs releases 1.52.3
and later. The second is included in release 1.53.2. So we'll just do a
version upgrade of gjs in cosmic for that right now and people can try
it out.

As for the rest of the fixes:
  https://gitlab.gnome.org/GNOME/gnome-shell/issues/64
they are in mutter. Either already released in mutter version 3.28.1, or too 
small to backport early, or actually not to do with memory usage.

So in summary I think we are only missing gjs!121 and gjs!122 in Ubuntu:
 * cosmic: will get it as part of an update to the latest gjs version.
 * bionic: may get it later if people feel it's useful.

Please correct me if I am wrong and have missed anything.

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Daniel van Vugt]

It's on the (backlog) queue: https://trello.com/b/3VYBPFaR/ubuntu-
desktop-1810-cycle

Although this doesn't need to wait for me. Anyone could cherry pick and
propose the remaining fixes.

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Ads20000]

https://gitlab.gnome.org/GNOME/gjs/merge_requests/122 is now merged, all
the other merge requests linked to in https://gitlab.gnome.org/GNOME
/gnome-shell/issues/64 are now merged. Daniel could we have soon have a
-proposed package of backports of these fixes up for testing? :)

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  gnome-shell uses lots of memory, and grows over time

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Re: [Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Balazs Pere]

After some minutes I logged in (Ubuntu 18.04, gnome-shell) something used a lot 
of memory (approx. 1GB). I checked gnome-system-monitor, but there was not any 
process which used more memory as usual (neither user nor system). Nothing was 
opened or launched. Only one thing helped: logout and login again.
I have no idea what was that, and I can not repeat it again.
(gnome shell is extremely laggy :-( )

On máj 3 2018, at 9:08 de, Daniel van Vugt  
wrote:
>
> Looks like we're still waiting for upstream to land:
> https://gitlab.gnome.org/GNOME/gjs/merge_requests/122
>
> from the list:
> https://gitlab.gnome.org/GNOME/gnome-shell/issues/64
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1672297
>
> Title:
> gnome-shell uses lots of memory, and grows over time
>
> Status in GNOME Shell:
> Confirmed
> Status in gjs package in Ubuntu:
> In Progress
> Status in gjs source package in Bionic:
> In Progress
>
> Bug description:
> Upstream:
> https://gitlab.gnome.org/GNOME/gnome-shell/issues/64
>
> ---
> gnome-shell's RSS is growing by 1 MiB every few minutes, and is now at
> almost 2 GiB.
>
> user 3039 1.8 16.1 4302340 1968476 tty2 Sl+ Mar09 120:17
> /usr/bin/gnome-shell
>
> strace output is voluminous; here is a representative sample:
> poll([{fd=5, events=POLLIN|POLLOUT}], 1, -1) = 1 ([{fd=5, revents=POLLOUT}])
> writev(5, [{"\231\n\10\0\n\0 
> \0\0\0\0\0\0\0\0\0\0\0\0\0\1\0\0\0\0\0\0\0\0\0\0\0", 32}], 1) = 32
> poll([{fd=5, events=POLLIN}], 1, -1) = 1 ([{fd=5, revents=POLLIN}])
> recvmsg(5, {msg_name(0)=NULL, 
> msg_iov(1)=[{"\1\0{\224\0\0\0\0H\0\0\0\0\23\266\32\0\0\0\0\201\242\204\0\0\0\0\0\261.\0\0",
>  4096}], msg_controllen=0, msg_flags=0}, 0) = 32
> recvmsg(5, 0x7fff60efac90, 0) = -1 EAGAIN (Resource temporarily unavailable)
> recvmsg(5, 0x7fff60efac90, 0) = -1 EAGAIN (Resource temporarily unavailable)
> poll([{fd=5, events=POLLIN|POLLOUT}], 1, -1) = 1 ([{fd=5, revents=POLLOUT}])
> writev(5, [{"\212\5\4\0a\2228\0y\3\5\0%\3\27\4\231\6\5\0\n\0 
> \0a\2228\0\0\0\0\0"..., 36}, {NULL, 0}, {"", 0}], 3) = 36
> poll([{fd=5, events=POLLIN}], 1, -1) = 1 ([{fd=5, revents=POLLIN}])
> recvmsg(5, {msg_name(0)=NULL, 
> msg_iov(1)=[{"\1\0}\224\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0",
>  4096}], msg_controllen=0, msg_flags=0}, 0) = 32
> recvmsg(5, 0x7fff60efac90, 0) = -1 EAGAIN (Resource temporarily unavailable)
> poll([{fd=5, events=POLLIN|POLLOUT}], 1, -1) = 1 ([{fd=5, revents=POLLOUT}])
> writev(5, [{"\212\n\2\0a\2228\0", 8}, {NULL, 0}, {"", 0}], 3) = 8
> recvmsg(5, 0x7fff60efb020, 0) = -1 EAGAIN (Resource temporarily unavailable)
> recvmsg(12, 0x7fff60efb000, 0) = -1 EAGAIN (Resource temporarily unavailable)
> poll([{fd=4, events=POLLIN}, {fd=5, events=POLLIN}, {fd=11, events=POLLIN}, 
> {fd=12, events=POLLIN}, {fd=14, events=POLLIN}, {fd=16, events=POLLIN}, 
> {fd=26, events=POLLIN}, {fd=29, events=POLLIN}, {fd=32, events=POLLIN}, 
> {fd=34, events=POLLIN}, {fd=37, events=POLLIN}, {fd=38, events=POLLIN}, 
> {fd=40, events=POLLIN}, {fd=42, events=POLLIN}, {fd=43, events=POLLIN}], 15, 
> 0) = 0 (Timeout)
> recvmsg(5, 0x7fff60efb040, 0) = -1 EAGAIN (Resource temporarily unavailable)
> recvmsg(5, 0x7fff60efb020, 0) = -1 EAGAIN (Resource temporarily unavailable)
> recvmsg(12, 0x7fff60efb000, 0) = -1 EAGAIN (Resource temporarily unavailable)
> poll([{fd=4, events=POLLIN}, {fd=5, events=POLLIN}, {fd=11, events=POLLIN}, 
> {fd=12, events=POLLIN}, {fd=14, events=POLLIN}, {fd=16, events=POLLIN}, 
> {fd=26, events=POLLIN}, {fd=29, events=POLLIN}, {fd=32, events=POLLIN}, 
> {fd=34, events=POLLIN}, {fd=37, events=POLLIN}, {fd=38, events=POLLIN}, 
> {fd=40, events=POLLIN}, {fd=42, events=POLLIN}, {fd=43, events=POLLIN}], 15, 
> 0) = 0 (Timeout)
> recvmsg(5, 0x7fff60efb040, 0) = -1 EAGAIN (Resource temporarily unavailable)
> open("/proc/self/stat", O_RDONLY) = 36
> fstat(36, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
> fcntl(36, F_GETFL) = 0x8000 (flags O_RDONLY|O_LARGEFILE)
> fstat(36, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
> read(36, "3039 (gnome-shell) R 2930 2917 2"..., 4096) = 354
> read(36, "", 3072) = 0
> close(36) = 0
> recvmsg(5, 0x7fff60efb020, 0) = -1 EAGAIN (Resource temporarily unavailable)
> recvmsg(12, 0x7fff60efb000, 0) = -1 EAGAIN (Resource temporarily unavailable)
> poll([{fd=4, events=POLLIN}, {fd=5, events=POLLIN}, {fd=11, events=POLLIN}, 
> {fd=12, events=POLLIN}, {fd=14, events=POLLIN}, {fd=16, events=POLLIN}, 
> {fd=26, events=POLLIN}, {fd=29, events=POLLIN}, {fd=32, events=POLLIN}, 
> {fd=34, events=POLLIN}, {fd=37, events=POLLIN}, {fd=38, events=POLLIN}, 
> {fd=40, events=POLLIN}, {fd=42, events=POLLIN}, {fd=43, events=POLLIN}], 15, 
> 117885) = 1 ([{fd=4, revents=POLLIN}])
> read(4, "\1\0\0\0\0\0\0\0", 16) = 8
> recvmsg(5, 0x7fff60efb040, 0) = -1 EAGAIN (Resource temporarily unavailable)
> recvmsg(5, 0x7fff60efb020, 0) = -1 EAGAIN (Resource temporarily unavailable)
> 

[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Daniel van Vugt]

Looks like we're still waiting for upstream to land:
https://gitlab.gnome.org/GNOME/gjs/merge_requests/122

from the list:
https://gitlab.gnome.org/GNOME/gnome-shell/issues/64

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Gianluca Masci]

Any news on this?

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Jeremy Bicha]

I am unsubscribing ubuntu-sponsors since I don't see anything here now
that is ready for sponsoring. Please feel free to resubscribe when you
have something else that needs sponsoring.

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[carlix]

And you should... SEE THIS LINK   
https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1423773 which is the 
most important memory leak and I posted it 3 years ago, could be possible that 
just ONE developer take this seriously?

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Daniel van Vugt]

Let's keep this open till we have the full set up upstream fixes in Ubuntu:
https://gitlab.gnome.org/GNOME/gnome-shell/issues/64

** Changed in: gjs (Ubuntu Bionic)
   Status: Fix Released => In Progress

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Sergei]

Yep, that's about ignorant gnome-shell team and really outdated toolkit.
Ubuntu should use KDE.

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[greenmandd]

Guys, i am not programmer, but i`m wander why gnome have so many memory
leaks? Most of them have been known for years and nobody cares till
Ubuntu LTS 18.04 release. Bad code, bad programming, or other reason?!

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[carlix]

If you really want to close this bug PLEASE WATCH THIS
https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1423773

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Daniel van Vugt]

I wonder if we should keep using this bug as the additional leak fixes
land in future?

Leaks are likely to come and go indefinitely over time as the code
changes, so we should try to decide the acceptance criteria for closing
this bug. And when it would be more appropriate to open new similar
bugs.

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Launchpad Bug Tracker]

This bug was fixed in the package gjs - 1.52.1-1ubuntu1

---
gjs (1.52.1-1ubuntu1) bionic; urgency=medium

  * Add fix-crashes-lp1763878-revert-575f1e2e077.patch to fix shutdown
crashes (LP: #1763878)
  * Add some patches to solve large memory leaks (LP: #1672297)
- fix-leaks-lp1672297-1-context-Add-API-to-force-GC-schedule.patch
- fix-leaks-lp1672297-2-object-Queue-a-forced-GC-when-toggling-down.patch
- Note: More such patches are under review so this list may grow in future.

 -- Daniel van Vugt   Mon, 16 Apr 2018
14:30:31 +0800

** Changed in: gjs (Ubuntu Bionic)
   Status: In Progress => Fix Released

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Daniel van Vugt]

Rocko,

the other thing to consider is that the patch in comment #68 stops all
types of GObject leaks, including those holding resources outside of
normal memory. So if for example that texture leak returns (which I
expect it may), that will consume texture memory even faster than you
see main memory being used. It's mostly an invisible resource,
contributing to the VSIZE only, but still using very real and very
limited physical/GPU memory. Hidden resource leaks like that would
explain slow-downs probably better than the visible memory growth would.

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Daniel van Vugt]

Seems not committed anywhere yet.

** Changed in: gjs (Ubuntu Bionic)
   Status: Fix Committed => In Progress

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Daniel van Vugt]

Yes, we know that is only one of the leak fixes. The other fixes
(upstream, not reviewed yet) are less mature and have not been included
in the Ubuntu patch.

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Rocko]

I managed to build and install a patched gjs last night thanks to a
helpful hint from a fellow user (ie to use debuild -us -uc -b to build
it instead of make and make install).

Initially, gnome-shell was using around 170 MB according to gnome-
system-monitor (atop says consistently says it is using around 100 MB
more). It stayed that way until the next morning when something made it
jump to 250 MB, and an hour or so later it jumped to 350 MB (it's hard
to tell if it jumped all at once or slowly increased, because I think
there's a bug in gnome-system-monitor that makes it stop auto-refreshing
until you click on its window - when I clicked on gnome-system-monitor,
gnome-shell's displayed usage jumped 100 MB each time).

Usage stayed at around 350 MB for the morning and most of the afternoon.
Eventually, I restarted gnome-shell with ALT-F2 and 'r' and usage
dropped immediately to 120 MB. It stayed there for about half an hour
until it suddenly jumped to 170 MB, and it has been sitting on that for
the last two hours.

gnome-shell with an _unpatched_ gjs on my system will go to 450 MB or
more in less than an hour, so I think there's a definite improvement
with the patch, but there are still some big leaks there.

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[cement_head]

Glad to see that this bug is about to be squished...

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Sebastien Bacher]

** Changed in: gjs (Ubuntu Bionic)
   Status: In Progress => Fix Committed

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Daniel van Vugt]

Yes, many Ubuntu packages are customized and often don't work unless you
use the same customization options in your build. You can find out what
those are by running 'apt-get source FOO' and then looking in
debian/rules. However it's too complicated to write a clear guide for.

Also, it sounds like you may be building the wrong project. The leak is
in project 'gjs', not 'gnome-shell'.

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Rocko]

Well, quite. I built and installed it with "./configure --prefix=/usr &&
make && sudo make install" and it's obviously more complicated than
that. Is there a guide somewhere for how to build and install gnome-
shell and its components in ubuntu?

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Daniel van Vugt]

Sounds like you might have made a mistake. Just wait till the patch is
released properly.

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Rocko]

Is that patch getting into Ubuntu soon? I tried applying it to the
latest gjs source package and installing the patched package, but it
left gdm in an un-startable state, even when I uninstalled it and
reinstalled the default gjs package.

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Daniel van Vugt]

Here's a patch to fix the biggest of the leaks.

I notice however that upstream is working on additional fixes. But those
fixes are very new and experimental. What I am providing here is the
more significant and mature of the leak fixes currently being proposed.

** Patch added: "gjs_1.52.1-1ubuntu1.debdiff"
   
https://bugs.launchpad.net/ubuntu/+source/gjs/+bug/1672297/+attachment/5117659/+files/gjs_1.52.1-1ubuntu1.debdiff

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Daniel van Vugt]

** No longer affects: gnome-shell (Ubuntu Bionic)

** No longer affects: gnome-shell (Ubuntu)

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Daniel van Vugt]

** Changed in: gjs (Ubuntu Bionic)
   Status: Triaged => In Progress

** Changed in: gjs (Ubuntu Bionic)
   Importance: High => Critical

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Daniel van Vugt]

@cement_head: The desktop team agrees. We'll be releasing *something*
for this bug this week. Only 3 days to final freeze...

@Amr: Those are probably better left as separate bugs to this one.

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Amr Ibrahim]

Upstream has released new versions of accountsservice & polkit to fix some 
leaks.
https://cgit.freedesktop.org/accountsservice/tag/?h=0.6.46
https://cgit.freedesktop.org/polkit/tag/?h=0.114

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[cement_head]

In my opinion, Ubuntu 18.04 should not be released until this is fixed -
it should be delayed if required.  This is O/S killer and will do more
to damage the brand name of Ubuntu than releasing a deeply flawed, not-
ready-for-prime-time, version.  Frankly, Ubuntu 18.04 is unusable as an
LTS with this bug present.

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Will Cooke]

** Changed in: gnome-shell (Ubuntu Bionic)
 Assignee: (unassigned) => Daniel van Vugt (vanvugt)

** Changed in: gjs (Ubuntu Bionic)
 Assignee: (unassigned) => Daniel van Vugt (vanvugt)

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Daniel van Vugt]

Yes, when a fix lands we will push it into 18.04 as a priority.

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Ads20000]

Could the eventual fix be cherry-picked for Ubuntu's GNOME 3.28? Merge
requests 114 and 50 (gjs; upstream) are targeted for GNOME 3.30.0 (for
example) yet presumably Ubuntu would want the fix in Ubuntu 18.04 rather
than shipping with the leak?

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Daniel van Vugt]

** No longer affects: mutter (Ubuntu)

** No longer affects: mutter (Ubuntu Bionic)

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Daniel van Vugt]

** Changed in: gjs (Ubuntu Bionic)
   Status: Confirmed => Triaged

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Daniel van Vugt]

My efforts from last week ran into a dead end because I can't reproduce
that massive texture leak any more.

I can however still reproduce the original "smaller" leak (0.5-1.0MB per
overview) this bug was about in the first place. And good news:
Upstream's experimental fix seems to work:

https://gitlab.gnome.org/GNOME/gjs/merge_requests/114

** Also affects: gjs (Ubuntu)
   Importance: Undecided
   Status: New

** Changed in: gjs (Ubuntu Bionic)
   Status: New => Confirmed

** Changed in: gjs (Ubuntu Bionic)
   Importance: Undecided => High

** Changed in: gnome-shell (Ubuntu Bionic)
 Assignee: Daniel van Vugt (vanvugt) => (unassigned)

** Changed in: mutter (Ubuntu Bionic)
 Assignee: Daniel van Vugt (vanvugt) => (unassigned)

** Description changed:

+ Upstream:
+ https://gitlab.gnome.org/GNOME/gnome-shell/issues/64
+ 
+ ---
+ 
  gnome-shell's RSS is growing by 1 MiB every few minutes, and is now at
  almost 2 GiB.
  
  user  3039  1.8 16.1 4302340 1968476 tty2  Sl+  Mar09 120:17
  /usr/bin/gnome-shell
  
  strace output is voluminous; here is a representative sample:
  
  poll([{fd=5, events=POLLIN|POLLOUT}], 1, -1) = 1 ([{fd=5, revents=POLLOUT}])
  writev(5, [{"\231\n\10\0\n\0 
\0\0\0\0\0\0\0\0\0\0\0\0\0\1\0\0\0\0\0\0\0\0\0\0\0", 32}], 1) = 32
  poll([{fd=5, events=POLLIN}], 1, -1)= 1 ([{fd=5, revents=POLLIN}])
  recvmsg(5, {msg_name(0)=NULL, 
msg_iov(1)=[{"\1\0{\224\0\0\0\0H\0\0\0\0\23\266\32\0\0\0\0\201\242\204\0\0\0\0\0\261.\0\0",
 4096}], msg_controllen=0, msg_flags=0}, 0) = 32
  recvmsg(5, 0x7fff60efac90, 0)   = -1 EAGAIN (Resource temporarily 
unavailable)
  recvmsg(5, 0x7fff60efac90, 0)   = -1 EAGAIN (Resource temporarily 
unavailable)
  poll([{fd=5, events=POLLIN|POLLOUT}], 1, -1) = 1 ([{fd=5, revents=POLLOUT}])
  writev(5, [{"\212\5\4\0a\2228\0y\3\5\0%\3\27\4\231\6\5\0\n\0 
\0a\2228\0\0\0\0\0"..., 36}, {NULL, 0}, {"", 0}], 3) = 36
  poll([{fd=5, events=POLLIN}], 1, -1)= 1 ([{fd=5, revents=POLLIN}])
  recvmsg(5, {msg_name(0)=NULL, 
msg_iov(1)=[{"\1\0}\224\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0",
 4096}], msg_controllen=0, msg_flags=0}, 0) = 32
  recvmsg(5, 0x7fff60efac90, 0)   = -1 EAGAIN (Resource temporarily 
unavailable)
  poll([{fd=5, events=POLLIN|POLLOUT}], 1, -1) = 1 ([{fd=5, revents=POLLOUT}])
  writev(5, [{"\212\n\2\0a\2228\0", 8}, {NULL, 0}, {"", 0}], 3) = 8
  recvmsg(5, 0x7fff60efb020, 0)   = -1 EAGAIN (Resource temporarily 
unavailable)
  recvmsg(12, 0x7fff60efb000, 0)  = -1 EAGAIN (Resource temporarily 
unavailable)
  poll([{fd=4, events=POLLIN}, {fd=5, events=POLLIN}, {fd=11, events=POLLIN}, 
{fd=12, events=POLLIN}, {fd=14, events=POLLIN}, {fd=16, events=POLLIN}, {fd=26, 
events=POLLIN}, {fd=29, events=POLLIN}, {fd=32, events=POLLIN}, {fd=34, 
events=POLLIN}, {fd=37, events=POLLIN}, {fd=38, events=POLLIN}, {fd=40, 
events=POLLIN}, {fd=42, events=POLLIN}, {fd=43, events=POLLIN}], 15, 0) = 0 
(Timeout)
  recvmsg(5, 0x7fff60efb040, 0)   = -1 EAGAIN (Resource temporarily 
unavailable)
  recvmsg(5, 0x7fff60efb020, 0)   = -1 EAGAIN (Resource temporarily 
unavailable)
  recvmsg(12, 0x7fff60efb000, 0)  = -1 EAGAIN (Resource temporarily 
unavailable)
  poll([{fd=4, events=POLLIN}, {fd=5, events=POLLIN}, {fd=11, events=POLLIN}, 
{fd=12, events=POLLIN}, {fd=14, events=POLLIN}, {fd=16, events=POLLIN}, {fd=26, 
events=POLLIN}, {fd=29, events=POLLIN}, {fd=32, events=POLLIN}, {fd=34, 
events=POLLIN}, {fd=37, events=POLLIN}, {fd=38, events=POLLIN}, {fd=40, 
events=POLLIN}, {fd=42, events=POLLIN}, {fd=43, events=POLLIN}], 15, 0) = 0 
(Timeout)
  recvmsg(5, 0x7fff60efb040, 0)   = -1 EAGAIN (Resource temporarily 
unavailable)
  open("/proc/self/stat", O_RDONLY)   = 36
  fstat(36, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
  fcntl(36, F_GETFL)  = 0x8000 (flags O_RDONLY|O_LARGEFILE)
  fstat(36, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
  read(36, "3039 (gnome-shell) R 2930 2917 2"..., 4096) = 354
  read(36, "", 3072)  = 0
  close(36)   = 0
  recvmsg(5, 0x7fff60efb020, 0)   = -1 EAGAIN (Resource temporarily 
unavailable)
  recvmsg(12, 0x7fff60efb000, 0)  = -1 EAGAIN (Resource temporarily 
unavailable)
  poll([{fd=4, events=POLLIN}, {fd=5, events=POLLIN}, {fd=11, events=POLLIN}, 
{fd=12, events=POLLIN}, {fd=14, events=POLLIN}, {fd=16, events=POLLIN}, {fd=26, 
events=POLLIN}, {fd=29, events=POLLIN}, {fd=32, events=POLLIN}, {fd=34, 
events=POLLIN}, {fd=37, events=POLLIN}, {fd=38, events=POLLIN}, {fd=40, 
events=POLLIN}, {fd=42, events=POLLIN}, {fd=43, events=POLLIN}], 15, 117885) = 
1 ([{fd=4, revents=POLLIN}])
  read(4, "\1\0\0\0\0\0\0\0", 16) = 8
  recvmsg(5, 0x7fff60efb040, 0)   = -1 EAGAIN (Resource temporarily 
unavailable)
  recvmsg(5, 0x7fff60efb020, 0)   = -1 EAGAIN (Resource temporarily 
unavailable)
  recvmsg(12, {msg_name(0)=NULL, 

[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Daniel van Vugt]

Yes I imagine gnome-shell contains multiple different leaks. Each
different leak will get a different upstream bug and a different fix.

So this bug may stay open indefinitely as more and more people jump on
board. Or we may have to cut it off at some point and use other bug
reports for specific cases.

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[N. W.]

It does not just happen when opening the main overview.

Even when you click on the network/volume/power panel applet and the
pop-up opens, the memory usage increases.

Just repeatedly click on the network/volume/power panel applet and watch
gnome-shell memory usage grow in system monitor with each click.

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Daniel van Vugt]

Thanks for the hints.

I have created a visual profile of the the main overview-related leaks here:
https://gitlab.gnome.org/GNOME/gnome-shell/issues/160

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Sebastien Bacher]

** Also affects: mutter (Ubuntu Bionic)
   Importance: High
 Assignee: Daniel van Vugt (vanvugt)
   Status: In Progress

** Also affects: gnome-shell (Ubuntu Bionic)
   Importance: High
 Assignee: Daniel van Vugt (vanvugt)
   Status: In Progress

** Tags removed: rls-bb-incoming

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Daniel van Vugt]

** Changed in: gnome-shell (Ubuntu)
 Assignee: (unassigned) => Daniel van Vugt (vanvugt)

** Changed in: mutter (Ubuntu)
 Assignee: (unassigned) => Daniel van Vugt (vanvugt)

** Changed in: gnome-shell (Ubuntu)
   Status: Triaged => In Progress

** Changed in: mutter (Ubuntu)
   Status: Triaged => In Progress

** Tags added: rls-bb-incoming

** Project changed: mutter => ubuntu

** No longer affects: ubuntu

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Alex]

I think my report is related:
https://bugzilla.gnome.org/show_bug.cgi?id=787983

** Bug watch added: GNOME Bug Tracker #787983
   https://bugzilla.gnome.org/show_bug.cgi?id=787983

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[cement_head]

Disabling Gnome3 Shell Extensions is not the answer.  Solving the
underlying bug is the answer.  Disabling the G3X will severe cramp
usability of G3.

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[carlix]

I posted the bug 3 years ago in 2015 and yesterday the bug expired
because nobody saw it, what a irony
https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1423773

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[PeterPall]

@borovaka: That also matches my experience: If you disable everything
that creates previews the gnome-shell's memory usage will grow slower.
But if you only have 4 Gigabytes of memory you still have to reboot your
computer every 2 hours.

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[florin]

Sometimes I get the impression that they seem not to be using the newer
gnome-shell as their daily driver, as it is quite impossible not to see
this happening. :(

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[borovaka]

Actually it is not only "window preview" problem.
It is related to mozjs garbage collector (I think).
You can follow the issue on gnome gitlab: 
https://gitlab.gnome.org/GNOME/gnome-shell/issues/64

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[PeterPall]

And I was wondering why 2 years ago 0,5 Gigabytes of RAM was plentiful
for 32bit and now 4 Gigabytes on 64 bit is too little. Let's hope the
window preview problem gets resolved soon.

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Kostadin Stoilov]

Here is also a nice video demonstrating the issue:
https://www.youtube.com/watch?v=zQCOO-9HZvU

It runs Fedora, but the behaviour is exactly the same on Bionic as well.

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Bug Watch Updater]

** Changed in: gnome-shell
   Status: Unknown => Confirmed

** Changed in: gnome-shell
   Importance: Unknown => Critical

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Kostadin Stoilov]

@vanvugt could you try the steps I posted in #46. I can reliably
reproduce this on a clean install of Bionic daily in a VM. No extra
extensions, just opening window previews with Super multiple times (two
windows open).

Thank you.

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Daniel van Vugt]

It might have been fixed in a series of changes made in mutter (future
version) 3.26.3. It's just unusual and unexpected that Gnome has not
done a release for months, so we have not yet tried those fixes.
Instead, it looks like we will jump to 3.28 now, soon. So if bionic goes
well with 3.28 then we will seriously consider backporting the leak
fixes to artful.

This is also one of those bugs that could be subjective. A fix that
works for one person might not work for the next. So I guess in order to
make sure everyone is on the same page, please ensure you have not
installed any Gnome Shell extensions beyond the default Ubuntu ones.
Because we don't want to get caught up debugging a gnome-shell extension
that most people don't use.

P.S. I stopped working on this bug because I stopped being able to
reproduce it.

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[neil king]

^ dependency: sudo apt-get install xprintidle

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[neil king]

Its amazing that so many people have this issue and this bug has not yet
been fixed.  Anyway here's my (reset when idle) workaround (use at your
own risk, may have bugs etc.):

https://pastebin.com/8ypFBjQ0

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Kostadin Stoilov]

There is a memory leak generating window previews on gnome shell and
since pressing the Super key generates windows previews the memory usage
grows exponentially. For me Gnome Shell eats about 100-150 MB every day
I leave it running.

I tested this both on an Intel graphics machine and on a VM, in both
Artful and Bionic. Both times clean install.

1. on a clean boot open System Monitor and Terminal side by side (or System 
Monitor and any other window)
2. press Super wait for the window preview and then press ESC (repeat this 
several times)
3. Observe the memory usage for Gnome Shell System Monitor grow

You can also reproduce this by installing the Alternate Tab extension
(https://extensions.gnome.org/extension/15/alternatetab/) which also
generates window previews.

1. Alt+Tab between Terminal and System Monitor and watch the Gnome Shell
memory usage grow every time.

Another user on reddit also came to a similar conclusion:
https://www.reddit.com/r/gnome/comments/7teono/possible_fix_to_improve_gnome_lag/

Effectively gnome shell becomes unusable even on 8 GB of RAM after a week of 
usage. 
I solve the issue by running ALT+F2 and 'r' every morning. People who are not 
technical of course will not do this and have a horrible experience.

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Title:
  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[florin]

PS: and please bring back the Wifi connections list to the menu and add
a thick to activate "View inserted password"; see this
https://www.youtube.com/watch?v=n2UbE2xh1Q0

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Title:
  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[florin]

It might be more complicated to fix as there are lots and lots of
actions that get to memory leaks. There are some crashes, too. Bad
programming, probably, and it might need some fundamental changes in the
code and architecture. They are creating lists and objects that are
larger and larger on each trigger, without killing any when they are not
needed or having a limit to recycle resources. And if they got to this,
it might be complicated to find solutions with the same team that
created it. I kind of doubt we'll see a solution before the next
release.

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Daniel van Vugt]

If we find a fix that works, then yes it will be backported to 17.10.

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[shah5xi6]

So does that mean this is a wontfix for 17.10, the current version?

I had to double my RAM to 16GB just to get more than a day out of gnome-
shell at work, otherwise as the day goes on, each notification I receive
hangs the system for a few seconds and locking and unlocking the screen
can take up to a minute by the end of the day. If I happened to be at
the bottom of a keystroke at the time it hangs, it acts like the key was
held down for the duration - a nightmare in Vim. As others have said,
actions like pressing the super key or switching windows seem to consume
a few MB each time that it never seems to give back.

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Daniel van Vugt]

See also comment #29. It's probably not worth commenting further here
till we're on at least version 3.26.3.

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Jaroslav Svoboda]

Just noticed it in updated Bionic. After boot uses around 450MB of VRAM
and then suddenly jumps to 1200MB and more when only Chrome is running.
When Chrome is closed it does not change. Using Geforce 960 GTX with 390
drivers. Freezes and also black streak flashes on one of monitors
sometimes. When the process is killed it restarts and drops back to less
then 500MB.

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[florin]

Yes, I got some freezes, too, even longer than 10 seconds. One time I
restarted the laptop as I did not know what is going on, another time at
some point Gnome crashed and started by itself. This did not happen in
Unity.

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[naisanza]

The entire UI lags far behind as well. When gnome-shell using around 500
MB RAM, middle clicking Nautilus freezes the entire system UI for up to
10 seconds. No mouse, no keyboard, no clicking.

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Chelmite]

VmData:   636560 kB 10:30
VmData:   848276 kB 15:45

That's up 33% in 5.25 hours, during which I wasn't interacting with the
computer, so there shouldn't have been any demands on gnome.

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Daniel van Vugt]

It's important to remember that RSS increases is no indication of a leak
- it will rise and fall according to how busy the machine is and not how
much new memory the process has allocated. Please ignore all RSS values
as they are going to be unpredictable and misleading.

As for VSZ, that's kind of related to potential leaks. The problem with
VSZ is that it's a measure of the address space mappings size and is
also not a measure of regular memory allocated by the process. Although
you can use changes in VSZ to detect leaks and bloat, address space used
by VSZ is not an indication of the memory requirements of the process.

Probably a better field to monitor for actual leaks is VmData which you can 
find in:
  /proc/PID/status

VmData is a more realistic indication of memory allocated by the
process.

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  gnome-shell uses lots of memory, and grows over time

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[Bug 1672297] Re: gnome-shell uses lots of memory, and grows over time

[Chelmite]

If I press the Ubuntu key over and over, showing the overview of all the
desktops, and then again to return to the normal view of the current
desktop, RSS for gnome-desktop increases rapidly (measurements taken at
15-second intervals.

USER   PID %CPU %MEMVSZ   RSS TTY  STAT START   TIME COMMAND
skelem   15805  9.0  1.2 4776896 820820 tty2   Sl+  10:10  12:27 
/usr/bin/gnome-shell
USER   PID %CPU %MEMVSZ   RSS TTY  STAT START   TIME COMMAND
skelem   15805  9.0  1.2 4790452 831004 tty2   Rl+  10:10  12:31 
/usr/bin/gnome-shell
USER   PID %CPU %MEMVSZ   RSS TTY  STAT START   TIME COMMAND
skelem   15805  9.1  1.2 4799632 849868 tty2   Sl+  10:10  12:36 
/usr/bin/gnome-shell
USER   PID %CPU %MEMVSZ   RSS TTY  STAT START   TIME COMMAND
skelem   15805  9.1  1.3 4807764 859832 tty2   Sl+  10:10  12:42 
/usr/bin/gnome-shell
USER   PID %CPU %MEMVSZ   RSS TTY  STAT START   TIME COMMAND
skelem   15805  9.2  1.3 4812364 865236 tty2   Sl+  10:10  12:46 
/usr/bin/gnome-shell

After kill -1 15805, I get:
USER   PID %CPU %MEMVSZ   RSS TTY  STAT START   TIME COMMAND
skelem   27800 14.5  0.5 4072104 362428 tty2   Sl+  12:31   0:06 
/usr/bin/gnome-shell

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  gnome-shell uses lots of memory, and grows over time

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