Jumpstart:
----------
- Unable to re-create x86 miniroot on S10u3
	# SunOS isis 5.10 Generic_125101-10 i86pc i386 i86pc
	SCRATCH=/export/scratch/$USER/i386
	DEST_PATH=/pool1/install/i386/Solaris_10_u5-beta
	OS_RELEASE=Solaris_10
	OS_SUBRELEASE=u5-beta
	+ /boot/solaris/bin/root_archive unpackmedia /net/install/$DEST_PATH $SCRATCH
	+ pkgadd -R $SCRATCH -d /net/install/$DEST_PATH/$OS_RELEASE/Product SUNWxcu4
	...
	## Installing part 1 of 1.
	Cannot find required executable /usr/bin/7za
	pkgadd: ERROR: class action script did not complete successfully

	Installation of <SUNWxcu4> failed.

- Unable to re-create x86 miniroot on S11nv79a
	# SunOS q 5.11 snv_79a i86pc i386 i86pc
	+ /boot/solaris/bin/root_archive unpackmedia /net/install/$DEST_PATH $SCRATCH
	cat: cannot open .tmp_proto/gnome_saved: No such file or directory
	bzcat: Can't open input file /net/install//pool1/install/i386/Solaris_10_u5-beta/Solaris_10/Tools/Boot/gnome.cpio.bz2: No such file or directory.
	bzcat: Can't open input file /net/install//pool1/install/i386/Solaris_10_u5-beta/Solaris_10/Tools/Boot/javaui.cpio.bz2: No such file or directory.
	bzcat: Can't open input file /net/install//pool1/install/i386/Solaris_10_u5-beta/Solaris_10/Tools/Boot/lpmisc.cpio.bz2: No such file or directory.
	bzcat: Can't open input file /net/install//pool1/install/i386/Solaris_10_u5-beta/Solaris_10/Tools/Boot/perl.cpio.bz2: No such file or directory.

=> No way to get a working Jumpstart for x86


- Unable to update miniroot for sparc on S10u4
	# SunOS kaiser 5.10 Generic_127111-06 sun4u sparc SUNW,Sun-Fire-V440
	+ pkgadd -R $DEST_PATH/$OS_RELEASE/Tools/Boot \
		-d $DEST_PATH/$OS_RELEASE/Product SUNWxcu4
	...
	## Installing part 1 of 1.
	Cannot find required executable /usr/bin/7za
	pkgadd: ERROR: class action script did not complete successfully

	Installation of <SUNWxcu4> failed.

- Unable to update miniroot for sparc on S11 nv64a
	# SunOS nerz 5.11 snv_64a sun4u sparc SUNW,Sun-Blade-1500

	+ pkgadd -R $DEST_PATH/$OS_RELEASE/Tools/Boot \
		-d $DEST_PATH/$OS_RELEASE/Product SUNWxcu4
	...
	## Installing part 1 of 1.
	Cannot find required executable /usr/bin/7za
	pkgadd: ERROR: class action script did not complete successfully

	Installation of <SUNWxcu4> failed.
	
=> No way to get a working Jumpstart for sparc