[ipxe-devel] wimboot customized WIM files

[Hummel Frank]

There seems to be a limit regarding the WIM file size using wimboot.
Please see more details here:
http://forum.ipxe.org/showthread.php?tid=6061
All wim files below a size of ~330MB boot ok.
But I use customized WIMs of ~440MB which always result in a 0xc000000d
or 0xc0000017 error while booting.
Of course there is plenty of RAM (up to 16GB) in the machines.
The same big wim files loaded via wdsnbp or via memdisk work.
-------------------------------------------------
Working memdisk example:
       #!ipxe
       set sanboot-url http://NNN.XXX.YYY.ZZZ
       dhcp net0 && echo IP address: ${net0/ip} ; echo Subnet mask:
${net0/netmask}
       initrd ${sanboot-url}/win7pe/win7pe_x86.iso
       chain ${sanboot-url}/syslinux/memdisk iso raw
-------------------------------------------------
win7pe_x86.iso contains the very same Boot.wim as used in the following
wimboot example showing 0xc0000017 error:
	#!ipxe
	dhcp net0 && echo IP address: ${net0/ip} ; echo Subnet mask:
${net0/netmask}
	kernel http://NNN.XXX.YYY.ZZZ/wimboot/wimboot
	initrd http://NNN.XXX.YYY.ZZZ/wimboot/win8_1/bootmgr.exe
bootmgr.exe
	initrd http://NNN.XXX.YYY.ZZZ/wimboot/Boot/bcd bcd
	initrd
http://NNN.XXX.YYY.ZZZ/wimboot/Boot/fonts/segmono_boot.ttf
segmono_boot.ttf
	initrd
http://NNN.XXX.YYY.ZZZ/wimboot/Boot/fonts/segoe_slboot.ttf
segoe_slboot.ttf
	initrd
http://NNN.XXX.YYY.ZZZ/wimboot/Boot/fonts/segoen_slboot.ttf
segoen_slboot.ttf
	initrd http://NNN.XXX.YYY.ZZZ/wimboot/Boot/fonts/wgl4_boot.ttf
wgl4_boot.ttf
	initrd http://NNN.XXX.YYY.ZZZ/wimboot/Boot/boot.sdi boot.sdi
	initrd
http://NNN.XXX.YYY.ZZZ/wimboot/win7pe_x86/sources/Boot.wim Boot.wim
	boot
-------------------------------------------------
Simply exchanging the Boot.wim link to a smaller WIM in the above script
leads to a working system.
All versions of bootmgr or bootmgr.exe (Vista ... Win8.1) lead to the
same 0xc000000d or 0xc0000017 error.
Maybe the file system gets corrupted if the WIM size exceeds 330MB?

Thanks for any ideas



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