Displaying 2 results from an estimated 2 matches for "yangxiaowei".
2013 Mar 04
56
GPU passthrough issue when VM is configured with 4G memory
Hi,all
I have tried to passthrough GPU card(Nvidia quadro 4000) on the latest Xen unstable version (QEMU is using Qemu-upsteam-unstable, not traditional Qemu). This issue as below:
Windows7 64-bit guest will blue screen when GPU passthrough configure 4g memory,blue screen code is 50, and SUSE 11 64-bit guest will always stay at the grub screen. I noticed that it will relocate RAM that
2011 Nov 01
2
xenpaing: one way to avoid paging out the page, when the corresponding mfn is in use.
Hello,
Recently many advanced memory mechanisms are introduced into Xen. One problem we found is the conflict between p2m query and setting.
For example, backend drivers always map domU’s page to its own space, during the mapping procedure, situations as follow may happen,
when mfn is obtained by gfn_to_mfn(), this mfn is likely to be paged out.
first case:
grant mapping