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ZRAM error at boot

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I have configured ZRAM via /etc/udev/rules.d/99-zram.rules which looks like this:

KERNEL=="zram0",ATTR{comp_algorithm}="lz4hc",ATTR{disksize}="2048M",TAG+="systemd"

And it seems to work fine. I can see the swap being allocated when using the top command.

But every boot I get the following warnings:

systemd-udevd[603]: zram0: /etc/udev/rules.d/99-zram.rules:1 Failed to write ATTR{/sys/devices/virtual/block/zram0/comp_algorithm}, ignoring: Device or resource busy
systemd-udevd[603]: zram0: /etc/udev/rules.d/99-zram.rules:1 Failed to write ATTR{/sys/devices/virtual/block/zram0/disksize}, ignoring: Device or resource busy

What could be the reason?

I sit in a Tesla and translated this thread with Ai:

mangohost

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