Opened 13 years ago
Last modified 10 years ago
#9057 closed defect
Dos slow. >10x compared to other host. VBox GUI slow. — at Initial Version
| Reported by: | Charlie | Owned by: | |
|---|---|---|---|
| Component: | other | Version: | VirtualBox 4.0.8 |
| Keywords: | Cc: | ||
| Guest type: | other | Host type: | other |
Description
i have a boot floppy that simply boots to dos. it includes an archive of utilities in a CAB file. it extracts the contents to a ram drive. i did have a USB HDD connected, and a CD image from the network connected - same if not connected.
the decompression runs slow on vbox, like 10x or more slower compared to:
i ran same images on a windows 2000 machine (old vbox), although the dos USB drivers caused old vbox to hang, the other FDD image without USB ran fine and faster. 4s for a file compared to >40s.
CPU is close to 50%, system is vista ultimate, 4.0.8 vbox
also when opening things, ie going to change if the USB HDD is connected or not also causes the lag, so not specifically a virtualization problem. same for choosing the CD or HDD images. the frame appears, the CPU is 50% for a short time then the contents of the "settings" appears.
windows XP emulated system seems to run fine. cannot remember if i saw the gui problems earlier, but now i do because DOS is so slow. simply entering C: (return) did nothing and i gave up.
cb
