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Line 22: − # [[Advanced usage#shell jobs C.2R|Shell jobs]] are not supported
→Limitations: Shell jobs are supported by the 'criu-ns' script
== Problem ==
== Problem ==
When restoring a process tree without namespaces (i.e. into namespaces in which criu lives) one may frequently hit a "pid mismatch" problem. It happens when a process CRIU tries to restore has a PID which is already owned by some other process living in this pid namespace. There's no way one can restore a process tree in ''this'' namespace, so the only solution is to unshare the new pid namespace and restore the tree into it.
When restoring a process tree without [[namespaces]] (i.e. into namespaces in which criu lives) one may frequently hit a "pid mismatch" problem. It happens when a process CRIU tries to restore has a PID which is already owned by some other process living in this pid namespace. There's no way one can restore a process tree in ''this'' namespace, so the only solution is to unshare the new pid namespace and restore the tree into it.
When doing so we have two problems:
When doing so we have two problems:
== Limitations ==
== Limitations ==
# The [[RPC#Swrk mode|swrk mode]] is not supported
# The [[RPC#Swrk mode|swrk mode]] is not supported
# Only the dump and restore are supported ([[incremental dumps]] are not possible)
# Only the dump and restore are supported ([[incremental dumps]] are not possible)