id summary reporter owner description type status component version resolution keywords cc guest host 8003 Cryptic and confusing error message during vboxmanage modifyvm --guestmemoryballoon Scott Brickey "1) when setting guestmemoryballoon size, error messages are cryptic at best (I don't care about the DETAILS or CONTEXT) 2) when setting guestmemoryballoon size, maximum allowed value is rounded, causing confusion. ---- Step 1) try setting value of 2048MB C:\Program Files\Oracle\VirtualBox>vboxmanage modifyvm ""Domain Workstation"" --guestmemoryballoon 2048 Oracle VM VirtualBox Command Line Management Interface Version 3.2.10 (C) 2005-2010 Oracle Corporation All rights reserved. ERROR: Invalid memory balloon size: 2048 MB (must be in range [0, 1843] MB) Details: code E_INVALIDARG (0x80070057), component Machine, interface IMachine, callee IUnknown Context: ""COMSETTER(MemoryBalloonSize)(ValueUnion.u32)"" at line 1714 of file VBo xManageModifyVM.cpp Ok, Step 2) try setting to stated maximum... C:\Program Files\Oracle\VirtualBox>vboxmanage modifyvm ""Domain Workstation"" --guestmemoryballoon 1843 Oracle VM VirtualBox Command Line Management Interface Version 3.2.10 (C) 2005-2010 Oracle Corporation All rights reserved. ERROR: Invalid memory balloon size: 1843 MB (must be in range [0, 1843] MB) Details: code E_INVALIDARG (0x80070057), component Machine, interface IMachine, callee IUnknown Context: ""COMSETTER(MemoryBalloonSize)(ValueUnion.u32)"" at line 1714 of file VBo xManageModifyVM.cpp Ugh. Step 3) try setting just shy of stated maximum (assume rounding to be the cause) C:\Program Files\Oracle\VirtualBox>vboxmanage modifyvm ""Domain Workstation"" --guestmemoryballoon 1842 Oracle VM VirtualBox Command Line Management Interface Version 3.2.10 (C) 2005-2010 Oracle Corporation All rights reserved. C:\Program Files\Oracle\VirtualBox> SUCCESS (finally) PS: this feature (along with PageFusion) should be configurable within the UI... either by allowing multiple sliders in the memory page, or with another slider." defect closed other VirtualBox 3.2.10 obsolete Windows Windows