Assert when using floppy image in Vbox

(ntoskrnl/mm/ARM3/sysldr.c:176) Loading: \SystemRoot\system32\drivers\ext2fs.sys at F6BC9000 with 12e pages

Ext2Fsd -- Version 0.62 Checked -- Oct 30 2015 10:04:15.

Ext2Fsd:~0: 15:16:39:712 b26728d0:   Ext2 DriverEntry ...

Ext2Fsd:~0: 15:16:39:727 b26728d0:   Ext2QueryParameters: WritingSupport=1h

Ext2Fsd:~0: 15:16:39:742 b26728d0:   Ext2QueryParameters: CheckingBitmap=0h

Ext2Fsd:~0: 15:16:39:757 b26728d0:   Ext2QueryParameters: Ext3ForceWriting=1h

Ext2Fsd:~0: 15:16:39:772 b26728d0:   Ext2QueryParameters: AutoMount=1h

Ext2Fsd:~0: 15:16:39:772 b26728d0:   Ext2QueryParameters: Ext2CodePage=default

Ext2Fsd:~0: 15:16:39:802 b26728d0:   Ext2QueryParameters: HidingPrefix not specified.

Ext2Fsd:~0: 15:16:39:817 b26728d0:   Ext2QueryParameters: HidingSuffix not specified.

Ext2Fsd:~0: 15:16:39:832 b26728d0:   Ext2Fsd -- Warning: Ext3ForceWriting enabled !!!

Ext2Fsd:~0: 15:16:39:847 b1e3cc10: explorer.exe IRP_MJ_FILE_SYSTEM_CONTROL \Ext2Fsd IRP_MN_MOUNT_VOLUME DeviceObject: 0xb2352a28

*** Assertion failed: Length != 0

***   Source File: /srv/buildbot/Build_GCCLin_x86/build/ntoskrnl/io/iomgr/iomdl.c, line 33