﻿id	summary	reporter	owner	description	type	status	component	version	resolution	keywords	cc	guest	host
9878	"bug when use as ""vboxsf + loop device + large RAM"" -> fixed as of Jan 5 2012"	mchen		"When I running VBOX on my WinXP, and guest running RHEL5.7
Then I mount a dir with vboxsf, next I use loop device for mount another file into workspace.

step:
mount -t vboxsf cfs /cfs
mount -t ext2 -o loop /cfs/test /test

result:
VM_RAM =  500MB, ok
VM_RAM =  800MB, some computer ok, others faild, OS is same, but CPU difference.
VM_RAM = 1100MB, all faild

info:
00:00:08.609 Guest Log: vboxguest: major 0, IRQ 20, I/O port d020, MMIO at 00000000f0000000 (size 0x400000)
00:00:10.762 Guest Log: VbglR0HGCMInternalCall: vbglR0HGCMInternalPreprocessCall failed. rc=-2
00:00:10.763 Guest Log: VBoxGuestCommonIOCtl: HGCM_CALL: 64 Failed. rc=-2.
00:00:10.765 Guest Log: VbglR0HGCMInternalCall: vbglR0HGCMInternalPreprocessCall failed. rc=-2
00:00:10.766 Guest Log: VBoxGuestCommonIOCtl: HGCM_CALL: 64 Failed. rc=-2.
"	defect	closed	guest additions	VirtualBox 4.1.6	duplicate	vboxsf loop largeRAM		Linux	Windows
