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@@ -267,10 +267,12 @@ func checkKernel() error {
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// without actually causing a kernel panic, so we need this workaround until
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// the circumstances of pre-3.10 crashes are clearer.
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// For details see https://github.com/docker/docker/issues/407
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+ // Docker 1.11 and above doesn't actually run on kernels older than 3.4,
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+ // due to containerd-shim usage of PR_SET_CHILD_SUBREAPER (introduced in 3.4).
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if !checkKernelVersion(3, 10, 0) {
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v, _ := kernel.GetKernelVersion()
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if os.Getenv("DOCKER_NOWARN_KERNEL_VERSION") == "" {
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- logrus.Warnf("Your Linux kernel version %s can be unstable running docker. Please upgrade your kernel to 3.10.0.", v.String())
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+ logrus.Fatalf("Your Linux kernel version %s is not supported for running docker. Please upgrade your kernel to 3.10.0 or newer.", v.String())
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}
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}
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return nil
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David Calavera