Comments (6)
IMHO, this is not a bug. It is documented which kernel versions can provide support.
Having zstd support in the kernel is not enough for zram. It must also be supported by the crypto API, that is, you will need CONFIG_CRYPTO_ZSTD.
from zram-init.
The algorithms shown on the help page of zramctl are not the algorithms which it understands:
zramctl simply attempts to set the passed algorithm argument.
The error message you see is from the kernel: It seems your kernel does not have support for zstd compiled into the zram module. (Or maybe it exists only as a module and you have to modprobe something before?)
from zram-init.
There is a loaded zstd module for btrfs. The alpine kernel seems not to include support for it with zram though, as evidenced by the output from the other issue I posted.
from zram-init.
Oops did not mean to close!
from zram-init.
Thanks for your help with the other things. I will raise this one in the Alpine bug tracker.
Edit - Alpine bug:
https://bugs.alpinelinux.org/issues/10044
from zram-init.
zram support is now compiled in recent alpine kernels.
https://git.alpinelinux.org/aports/commit/?id=4fcd763003fabfbff087413bd82d767b1862b6f9
thanks.
from zram-init.
Related Issues (20)
- zstd compression support HOT 6
- No syslog support HOT 1
- use a sane default memory size for zram devices HOT 4
- zram_init: warning: failed to set zram0 backing_dev HOT 1
- deb package HOT 1
- Backing device question HOT 4
- Unmounting of /home/<user>/.cache failed HOT 1
- Provide improved documentation of the config file HOT 1
- Strange ''bad subsitution" error when zsh-completing on openrc zram-init file HOT 4
- mlim option uses bytes instead of MB, results in service startup failure HOT 1
- zram-init -M and -2 don't work HOT 1
- zram-init prevents option X-mount.mkdir from being used
- zram1 in /tmp not possible? HOT 5
- openrc zram-init ignores typeN=- devices HOT 1
- AUR package is outdated zram-init-git
- sys-block/zram-init should be configured so that there is one service per mount point or swap configuration HOT 1
- Please add aufs to zram_init HOT 20
- [Feature] Please add support for mkfs options / device labels HOT 2
- Stopping the service removes zram device HOT 2
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