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Criu gives an error message which I can't find any information about online.
Steps to reproduce the issue:
Install criu
Run roblox (currently using vinegar)
Attempt to dump the game, using any of the PIDs that pop up in the system monitor.
Describe the results you received:
Error (criu/namespaces.c:934): Unable to convert uid or gid
Error (criu/namespaces.c:1000): One or more namespaces doesn't belong to the target user namespace
Segmentation fault
Describe the results you expected:
It creates files in the folder which I can use to reboot the process in the exact same state.
Additional information you deem important (e.g. issue happens only occasionally):
Not sure about your application, but Roblox sounds like a game and games usually have a graphical user interface. Applications which are using the graphics card can usually not be checkpointed as CRIU cannot figure out the state of the GPU.
All this is independent of the error you are currently seeing, but if the current error is fixable then it will fail at some later point.
I agree with @adrianreber about graphical problem.
(00.001168) id_map: 1000 1000 1
(00.001182) id_map: 1000 1000 1
(00.001493) Error (criu/namespaces.c:934): Unable to convert uid or gid
As for the mentioned error message, CRIU just needs mapping for root (uid=0) in dumped usernamespace (e.g. to do setns to proper netns and multiple other things).
Criu gives an error message which I can't find any information about online.
Steps to reproduce the issue:
Describe the results you received:
Error (criu/namespaces.c:934): Unable to convert uid or gid
Error (criu/namespaces.c:1000): One or more namespaces doesn't belong to the target user namespace
Segmentation fault
Describe the results you expected:
It creates files in the folder which I can use to reboot the process in the exact same state.
Additional information you deem important (e.g. issue happens only occasionally):
CRIU logs and information:
CRIU full dump/restore logs:
Output of `criu --version`:
Output of `criu check --all`:
Additional environment details:
Running Linux Mint 21.2.
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