D61003.1793781395.diff
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	diff --git a/usr.sbin/bhyve/snapshot.c b/usr.sbin/bhyve/snapshot.c
	--- a/usr.sbin/bhyve/snapshot.c
	+++ b/usr.sbin/bhyve/snapshot.c
	@@ -1224,6 +1224,17 @@
	char *meta_filename = NULL;
	char *kdata_filename = NULL;
	FILE *meta_file = NULL;
	+ struct pci_devinst *pdi;
	+
	+ /* Reject unsupported devices before creating files or touching RAM. */
	+ pdi = NULL;
	+ while ((pdi = pci_next(pdi)) != NULL) {
	+ if (pdi->pi_d->pe_snapshot == NULL) {
	+ EPRINTLN("%s does not support checkpointing",
	+ pdi->pi_name);
	+ return (ENOTSUP);
	+ }
	+ }

	kdata_filename = strcat_extension(checkpoint_file, ".kern");
	if (kdata_filename == NULL) {