Op 9-8-2011 3:06, Kenneth J. Davis schreef: > I finally had a chance to do some testing. > I believe it is a VirtualBox bug.
VirtualPC and VirtualBox seem to have their issues. Other emulators show their own explicit nuisances as well ofcourse, but that seems to be more limited. > I tried with FreeCom and 4DOS, with JemmEx and XMGR (and no memory > manager), I did not change kernels yet, and two different computers. > The issue is exactly the same on both computers. If VT-x/AMD-V is > enabled then everything works fine, without it the first invocation of > devload either freezes the virtual computer or prints garbage and > exits. I did try various settings including NOEMS NOVME NOINVLPG > X=A000-EFFF and it makes no difference. That's for "clean boot", "XMS/HMA-only" and "XMS/HMA + UMB/EMS" scenarios? Thought you indicated cleanboot worked. > Oh well, I may have to switch my testing over to VMWare as I've never > had these weird issues with it. I can upload my disk image and ova > file if anyone else wants to do further research. QEMU should be a good opensource solution I'd guess? Lots of features, monitoring and logging. I like my VMware graphical frontend so sticking to that. Using as many different emulators/virtualisers as possible among developers/testers might show issues earlier :) > Jeremy ------------------------------------------------------------------------------ uberSVN's rich system and user administration capabilities and model configuration take the hassle out of deploying and managing Subversion and the tools developers use with it. Learn more about uberSVN and get a free download at: http://p.sf.net/sfu/wandisco-dev2dev _______________________________________________ Freedos-devel mailing list Freedos-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-devel
