fix: disable kexec on GCP/Azure

It looks like VMs might be stuck on kexec, while there's little value in kexec with VMs. Signed-off-by: Andrey Smirnov <andrey.smirnov@siderolabs.com>
siderolabs · May 31, 2024 · b0466e0 · b0466e0
1 parent 911c255
commit b0466e0
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diff --git a/internal/app/machined/pkg/runtime/v1alpha1/platform/azure/azure.go b/internal/app/machined/pkg/runtime/v1alpha1/platform/azure/azure.go
@@ -223,6 +223,9 @@ func (a *Azure) KernelArgs(string) procfs.Parameters {
  procfs.NewParameter("rootdelay").Append("300"),
  procfs.NewParameter(constants.KernelParamNetIfnames).Append("0"),
  procfs.NewParameter(constants.KernelParamDashboardDisabled).Append("1"),
+ // disable 'kexec' as Azure VMs sometimes are stuck on kexec, and normal soft reboot
+ // doesn't take much longer on VMs
+ procfs.NewParameter("sysctl.kernel.kexec_load_disabled").Append("1"),
  }
 }
 

diff --git a/internal/app/machined/pkg/runtime/v1alpha1/platform/gcp/gcp.go b/internal/app/machined/pkg/runtime/v1alpha1/platform/gcp/gcp.go
@@ -204,6 +204,9 @@ func (g *GCP) KernelArgs(string) procfs.Parameters {
  procfs.NewParameter("console").Append("ttyS0"),
  procfs.NewParameter(constants.KernelParamNetIfnames).Append("0"),
  procfs.NewParameter(constants.KernelParamDashboardDisabled).Append("1"),
+ // disable 'kexec' as GCP VMs sometimes are stuck on kexec, and normal soft reboot
+ // doesn't take much longer on VMs
+ procfs.NewParameter("sysctl.kernel.kexec_load_disabled").Append("1"),
  }
 }