On 02.05.2012 06:28, Cun Zhang wrote: > Subject:It seems that memory leak in kvm with Windows XP guest very seriously > Package: qemu-kvm > Version: 1:1.0+dfsg-11 > Severity: normal > > Dear Maintainer, > > After I upgrade the kernel to 3.2.0, the WinXP guest in the kvm VM > become so slow, and I found memory leak seems happen. When the guest > start, it just need only less then 300M memory. However with serveral > operating to start/close softwares, 2G memory is used out in the > guest. Momery isn't freed when all softwares are closed.
Interesting. You say that the problem is related to the kernel upgrade, yet you're filling the bug against qemu-kvm. > I start guest OS with the following commands: > > kvm -m 2048 -smp 2 -soundhw ac97 -hda /media/sda5/WindowsXP.ovl -rtc > base=localtime,clock=host -net nic,vlan=0 -net user,vlan=0 -vga std -vnc > :3 -usbdevice tablet & You assigned 2Gb memory to your guest, and you complain that the guest uses 2Gb memory. I don't see the logic here. Why do you think guest should free memory back to the HOST - if guest has 2Gb at its disposal and don't even KNOW that it is running in some virtual environment? It just uses whatever it "thinks" it physically has, where's the problem? > More information can be provided if you give me several detailed debug > suggestion. Yes please. The main question is: which behavour do you consider a leak, which behavour you expect and why. Thanks, /mjt -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
