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zram doesn't work on msm8953

    • Closed Imported Issue created by Administrator @root

    Describe your issue

    zram doesn't work: zramctl: /dev/zram0: failed to set algorithm: Invalid argument

    probably because zstd is not enabled in the kernel

    How to reproduce your issue?

    markw:~$ sudo service zram-init restart
zram swap: activating with size: 1403 MB
 * Remove zram0 swap                       [ !! ]
 * Unloading zram module...                [ ok ]
zram swap: activating with size: 1403 MB
 * Loading zram module...                  [ ok ]
 * Swap->zram0
zramctl: /dev/zram0: failed to set algorithm: Invalid argument
zram-init: 
zramctl zram0 failed                       [ !! ]

    What device are you using?

    xiaomi-markw

    On what postmarketOS version did you encounter the issue?

    • edge (master branch)

    • v24.06

    • I confirm that the issue still is present after running sudo apk upgrade -a

    On what environment did you encounter the issue?

    Environments

    • GNOME Shell on Mobile
    • Phosh
    • Plasma Mobile
    • Sxmo (Wayland/Sway) Please post the output of sxmo_version.sh
    • Other: Please fill out

    How did you get postmarketOS image?

    What's the build date of the image? (in yyyy-mm-dd format)

    2023-12-17

    Additional information

    zram doesn't work with the default zstd compression algorithm. Although I can enable it if I set lz4 for example:

    markw:~$ sudo zramctl /dev/zram0 --algorithm zstd --size 1000MiB
zramctl: /dev/zram0: failed to set algorithm: Invalid argument
markw:~$ sudo zramctl /dev/zram0 --algorithm lz4 --size 1000MiB
markw:~$
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