[crac] RFR: 8373027: [CRaC] [CRIU] x86: FPU xsave area present, but host cpu doesn't support it

Jan Kratochvil jkratochvil at openjdk.org
Wed Dec 3 15:14:33 UTC 2025


In some cases (such as AWS `t3.nano` -> `m1.small`) CRIU refuses to restore:

x86: FPU xsave area present, but host cpu doesn't support it


I think (based on information of @rvansa `xsave` is not needed for the safepoint of JDK checkpoint/restore.

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Commit messages:
 - capnone

Changes: https://git.openjdk.org/crac/pull/279/files
  Webrev: https://webrevs.openjdk.org/?repo=crac&pr=279&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8373027
  Stats: 3 lines in 1 file changed: 2 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/crac/pull/279.diff
  Fetch: git fetch https://git.openjdk.org/crac.git pull/279/head:pull/279

PR: https://git.openjdk.org/crac/pull/279


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