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Bug#982056: cgroup: cgroup2: unknown option "memory_recursiveprot"

Hi,

    Thanks for your replay.

The kernel from buster-backports linux-image-5.9.0-0.bpo.5-rt-amd64-unsigned
with systemd from buster-backports (247.2-5~bpo10+1) has not this error info display on boot.

Regards,
xiao sheng wen

在 2021/2/6 下午7:15, Salvatore Bonaccorso 写道:

Hi,
 From the attached log you seem to run systemd from buster-backports
(247.2-5~bpo10+1). But from their NEWS in the changes done with 247:

         * The cgroup2 file system is now mounted with the
           "memory_recursiveprot" mount option, supported since kernel 5.7. This
           means that the MemoryLow= and MemoryMin= unit file settings now apply
           recursively to whole subtrees.

The support for thi was only added in 5.7-rc1 so if you need this you
will need as well the kernel from buster-backports.

Regards,
Salvatore


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