[Akonadi] [Bug 416129] New: Akonadi email background processes use GPU memory

[Aron Heinecke]

https://bugs.kde.org/show_bug.cgi?id=416129

            Bug ID: 416129
           Summary: Akonadi email background processes use GPU memory
           Product: Akonadi
           Version: unspecified
          Platform: Ubuntu Packages
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: Archive Mail Agent
          Assignee: kdepim-bugs at kde.org
          Reporter: aron.heinecke at t-online.de
  Target Milestone: ---

SUMMARY
Akonadi background processes use GPU memory from start to end of akonadi.

STEPS TO REPRODUCE
1. Open KMail
2. Close Kmail
3. run nvidia-smi

OBSERVED RESULT
nvidia-smi reports the following
+-----------------------------------------------------------------------------+
| Processes:                                                       GPU Memory |
|  GPU       PID   Type   Process name                             Usage      |
|=============================================================================|
|    0      4614      G   /usr/lib/xorg/Xorg                           102MiB |
|    0      5519      G   /usr/bin/krunner                              10MiB |
|    0      5528      G   /usr/bin/plasmashell                          56MiB |
|    0     28754      G   /usr/bin/akonadi_archivemail_agent             2MiB |
|    0     28756      G   /usr/bin/akonadi_imap_resource                 2MiB |
|    0     28757      G   /usr/bin/akonadi_imap_resource                 2MiB |
|    0     28758      G   /usr/bin/akonadi_imap_resource                 2MiB |
|    0     28759      G   /usr/bin/akonadi_imap_resource                 2MiB |
|    0     28760      G   /usr/bin/akonadi_imap_resource                 2MiB |
|    0     28761      G   /usr/bin/akonadi_imap_resource                 2MiB |
|    0     28779      G   /usr/bin/akonadi_mailfilter_agent              2MiB |
|    0     28788      G   /usr/bin/akonadi_sendlater_agent               2MiB |
+-----------------------------------------------------------------------------+

EXPECTED RESULT
No akonadi_* processes that use GPU memory while running in background.

Although I can understand that some processes can be speed up by using the GPU
I can't see why there are so many processes from akonadi or why archivemail or
mailfilter need it at all.

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: KUbuntu 18.04.3
(available in About System)
KDE Plasma Version: 5.12.9
KDE Frameworks Version: 5.44.0
Qt Version: 5.9.5

ADDITIONAL INFORMATION
Running akonadictl stop obviously removes all those akonadi_* processes from
the memory reporting.

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