Hello,

It's been a week using it daily in my machine now, and the script works a treat:
$ cat /proc/swaps 
Filename                                Type            Size    Used    Priority
/dev/sda6                               partition       4607996 0       -1
/dev/zram0                              partition       947216  0       5
/dev/zram1                              partition       947216  0       5
$

As sayd in the previous comment, I had to blacklist zram to prevent it from 
being default loaded during boot time. I added this to my blacklist.conf file:
***************
# cat /etc/modprobe.d/blacklist.conf 
# This file lists those modules which we don't want to be loaded by
# alias expansion, usually so some other driver will be loaded for the
# device instead.

# zram should not be loaded during boot time
blacklist zram
***************

Now how do we push this information to the Ubuntu kernel dev team?

Best regards,
Mélodie


** Description changed:

- [Impact] 
-  * People using some non English locale, zram devices are not loaded
-  * The service fails to stop and unloading zram module as well
+ [Impact]
+  * People using some non English locale, zram devices are not loaded
+  * The service fails to stop and unloading zram module as well
+ 
+ //who wrote this? The impact is probably for all languages including English. 
The new version works : provided zram module is blacklisted to avoid being 
loaded during boot! See my next comment which will be #13. 
+ Thanks, Mélodie
  
  [Test Case]
-  * Install the new zram-config package
-  * Reboot and check that the zram devices are created:
+  * Install the new zram-config package
+  * Reboot and check that the zram devices are created:
  $ swapon -s
  -> returns some zram devices
-  * $ sudo systemctl status -l zram-config.service
+  * $ sudo systemctl status -l zram-config.service
  -> no error
-  * Stop the service:
+  * Stop the service:
  $ sudo systemctl stop zram-config.service
-  * $ sudo systemctl status -l zram-config.service
+  * $ sudo systemctl status -l zram-config.service
  -> no error
-  * swapon -s
+  * swapon -s
  -> no more zram device listed
  
- [Regression Potential] 
-  * Services loading change may impact English-local user. However, the fix 
has already been confirmed to be working on wily.
-  * Stopping the service was already failing on unloading the module, so no 
additional regression is possible there.
+ [Regression Potential]
+  * Services loading change may impact English-local user. However, the fix 
has already been confirmed to be working on wily.
+  * Stopping the service was already failing on unloading the module, so no 
additional regression is possible there.
  
  --------------------
  Hi,
  
  While testing how zram-config is going in Ubuntu Vivid, I meet with
  error while doing restart and or stop/start.
  
  It seems to stop fine but throws an error when starting again or
  performing a restart.
  
  I have installed zram-config 0.3 just today and haven't rebooted yet.
  The CPU is "AMD Athlon(tm) II X2 260 Processor"
  
  As stated in bug #1449665 there is one block device created:
  
  $ cat /proc/swaps
  Filename                              Type            Size    Used    Priority
  /dev/zram0                              partition     947216  0       5
  $
  
  Here:
  $ sudo systemctl stop zram-config
  $ cat /proc/swaps
  Filename                              Type            Size    Used    Priority
  /dev/zram0                              partition     947216  0       5
  $
  
  after the stop, the prompt is back without error, but it has done
  nothing.
  
  With restart:
  $ sudo systemctl restart zram-config
  Job for zram-config.service failed. See "systemctl status 
zram-config.service" and "journalctl -xe" for details.
  $
  
  When invoking the suggested commands:
  ****
  $ LANG=C systemctl status zram-config.service -l
  * zram-config.service - Initializes zram swaping
     Loaded: loaded (/lib/systemd/system/zram-config.service; enabled; vendor 
preset: enabled)
     Active: failed (Result: exit-code) since Tue 2015-04-28 19:34:37 CEST; 
2min 7s ago
    Process: 744 ExecStart=/usr/bin/init-zram-swapping (code=exited, status=255)
   Main PID: 744 (code=exited, status=255)
  
  Apr 28 19:34:37 bento64 init-zram-swapping[744]: sh: echo: I/O error
  Apr 28 19:34:37 bento64 init-zram-swapping[744]: mkswap: error: /dev/zram0 is 
mounted; will not make swapspace
  Apr 28 19:34:37 bento64 init-zram-swapping[744]: swapon: /dev/zram0 : échec 
de swapon: Périphérique ou ressource occupé
  Apr 28 19:34:37 bento64 init-zram-swapping[744]: /usr/bin/init-zram-swapping: 
21: /usr/bin/init-zram-swapping: cannot create /sys/block/zram1/disksize: 
Directory nonexistent
  Apr 28 19:34:37 bento64 init-zram-swapping[744]: /dev/zram1: Aucun fichier ou 
dossier de ce type
  Apr 28 19:34:37 bento64 init-zram-swapping[744]: swapon: stat failed 
/dev/zram1: Aucun fichier ou dossier de ce type
  Apr 28 19:34:37 bento64 systemd[1]: zram-config.service: main process exited, 
code=exited, status=255/n/a
  Apr 28 19:34:37 bento64 systemd[1]: Failed to start Initializes zram swaping.
  Apr 28 19:34:37 bento64 systemd[1]: Unit zram-config.service entered failed 
state.
  Apr 28 19:34:37 bento64 systemd[1]: zram-config.service failed.
  $
  ****
  
  ****
  -- Unit zram-config.service has begun starting up.
  Apr 28 19:34:37 bento64 audit[781]: <audit-1107> pid=781 uid=102 
auid=4294967295 ses=4294967295 msg='apparmo
                                       exe="/usr/bin/dbus-daemon" sauid=102 
hostname=? addr=? terminal=?'
  Apr 28 19:34:37 bento64 init-zram-swapping[744]: sh: echo: I/O error
  Apr 28 19:34:37 bento64 kernel: zram: Cannot change disksize for initialized 
device
  Apr 28 19:34:37 bento64 init-zram-swapping[744]: mkswap: error: /dev/zram0 is 
mounted; will not make swapspa
  Apr 28 19:34:37 bento64 init-zram-swapping[744]: swapon: /dev/zram0<C2><A0>: 
<C3><A9>chec de swapon: P<C3>
  Apr 28 19:34:37 bento64 init-zram-swapping[744]: /usr/bin/init-zram-swapping: 
21: /usr/bin/init-zram-swappin
  Apr 28 19:34:37 bento64 init-zram-swapping[744]: /dev/zram1: Aucun fichier ou 
dossier de ce type
  Apr 28 19:34:37 bento64 init-zram-swapping[744]: swapon: stat failed 
/dev/zram1: Aucun fichier ou dossier de
  Apr 28 19:34:37 bento64 systemd[1]: zram-config.service: main process exited, 
code=exited, status=255/n/a
  Apr 28 19:34:37 bento64 systemd[1]: Failed to start Initializes zram swaping.
  -- Subject: Unit zram-config.service has failed
  -- Defined-By: systemd
  -- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
  --
  -- Unit zram-config.service has failed.
  --
  -- The result is failed.
  Apr 28 19:34:37 bento64 systemd[1]: Unit zram-config.service entered failed 
state.
  Apr 28 19:34:37 bento64 systemd[1]: zram-config.service failed.
  Apr 28 19:34:37 bento64 polkitd(authority=local)[3990]: Unregistered 
Authentication Agent for unix-process:7
  Apr 28 19:34:37 bento64 audit[781]: <audit-1107> pid=781 uid=102 
auid=4294967295 ses=4294967295 msg='apparmo
                                       exe="/usr/bin/dbus-daemon" sauid=102 
hostname=? addr=? terminal=?'
  Apr 28 19:34:37 bento64 kernel: audit: type=1107 audit(1430242477.545:27): 
pid=781 uid=102 auid=4294967295 s
                                   exe="/usr/bin/dbus-daemon" sauid=102 
hostname=? addr=? terminal=?'
  lines 1809-1834/1834 (END)
  
  ****
  
  I have done a test using directly the scripts created for /usr/bin, the
  results seem interesting:
  
  $ sudo /usr/bin/end-zram-swapping
  rmmod: ERROR: unexpected getopt_long() value 'w'.
  $ cat /proc/swaps
  Filename                              Type            Size    Used    Priority
  $
  
  $ LANG=C sudo /usr/bin/init-zram-swapping
  sh: echo: I/O error
  mkswap: error: /dev/zram0 is mounted; will not make swapspace
  swapon: /dev/zram0: swapon failed: Device or resource busy
  /usr/bin/init-zram-swapping: 21: /usr/bin/init-zram-swapping: cannot create 
/sys/block/zram1/disksize: Directory nonexistent
  /dev/zram1: No such file or directory
  swapon: stat failed /dev/zram1: No such file or directory
  $
  
  I hope I have tested the right way. If anything more is needed, log
  files or so, please ask.
  
  Best regards,
  Mélodie

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https://bugs.launchpad.net/bugs/1449678

Title:
  (Vivid) zram-config 0.3 Job for zram-config.service failed

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