[Bug 223969] EFI boot failure when using UFS disk

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Wed Nov 29 15:51:35 UTC 2017


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=223969

--- Comment #6 from Toomas Soome <tsoome at freebsd.org> ---
Could you test this update:

Index: stand/efi/libefi/efipart.c
===================================================================
--- stand/efi/libefi/efipart.c  (revision 326368)
+++ stand/efi/libefi/efipart.c  (working copy)
@@ -257,6 +257,15 @@
                    !blkio->Media->MediaPresent) {
                        return (false);
                }
+
+               /*
+                * iPXE stub Block IO protocol. Test for "iPXE" in MediaID
+                * and BlockSize.
+                */
+               if (blkio->Media->MediaId == 0x69505845U &&
+                   blkio->Media->BlockSize == 1) {
+                       return (false);
+               }
        }
        return (true);
 }

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