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--- chengcui:install_freebsd13_vm_via_bhyve [2023/11/07 20:39] – chengcui
+++ chengcui:install_freebsd13_vm_via_bhyve [2023/11/07 21:15] (current) – chengcui
@@ Line 31: / Line 31: @@
 if_bridge_load="YES"
 if_tap_load="YES"
-pptdevs="2/0/0"                   // the passthru pci device
+# the passthru pci device
-hw.vmm.amdvi.enable="1"           // default AMD-Vi passthrough support is disabled
+pptdevs="2/0/0"
+# default AMD-Vi passthrough support is disabled, enable it
+hw.vmm.amdvi.enable="1"
 </code>
@@ Line 81: / Line 83: @@
 disk0_name="disk0"
 disk0_dev="sparse-zvol"
-# This gives the guest a virtual "optical" drive. Specifying disk1_dev=”custom”
-# allows us to provide a full path to the ISO.
-disk1_type="ahci-cd"
-disk1_dev="custom"
-disk1_name="/zroot/bhyve/FreeBSD-13.2-RELEASE-amd64-disc1.iso"
 # passing of host PCI devices to a virtual machine for its exclusive use of them
@@ Line 110: / Line 105: @@
 <code>
-Use the ''vm console'' command to access the VM and finish the installation process.
+Use the "vm console" command to access the VM and finish the installation process.
 cc@n1:~ % sudo vm console n1_iwl_vm
+...
+</code>
+==== snapshot ====
+<code>
+cc@n1:/zroot/bhyve % sudo vm snapshot n1_iwl_vm@snapshot1              // create a snapshot of n1_iwl_vm
+cc@n1:/zroot/bhyve % sudo vm rollback n1_iwl_vm@snapshot1              // restore to the snapshot of n1_iwl_vm
 </code>