[PC-BSD Support] PC-BSD 9.1 install hangs on dd:operation not supported error on MacBook Pro

Carlo Tambuatco oraclmaster at gmail.com
Fri Aug 2 08:23:22 PDT 2013


Just tried installing on my MacBook pro the new 9.1 release of PC-BSD. The installation seems to proceed fine until the need to install a bootable partition, which I am guessing modifies the MBR. I have partitioned my hard drive as follows:

/dev/disk0
   #:                       TYPE NAME                    	SIZE       		IDENTIFIER
   0:      GUID_partition_scheme                      *750.2 GB   	disk0
   1:                        EFI                         			209.7 MB   	disk0s1
   2:                  Apple_HFS Volume 1     	        450.0 GB   	disk0s2
   3:       Microsoft Basic Data PC-BSD              289.1 GB   	disk0s3

with disk0s3 formatted for FAT32 Microsoft basic data. That is the partition on which I want to install PC-BSD.
On installation, I get the 'dd: /dev/disk0s3a: Operation not supported' error.

On a subsequent installation attempt, I tried modifying the kern.geom.debugflags to 0x10, (16), to see if that would help. It did not.

I partitioned my hard drive using OS X's disk utility. I am not an expert on MBR tables, I use rEFInd to boot multiple os's. What is the problem with the PC-BSD installer continuing the install process?



For most men life is a search for the proper manila envelope in which to get themselves filed.
  - Clifton Fadiman

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