Sebastian, you are talking about RDP connection. RDP server is Windows, and Qemu/Libvirt have nothing to do.
It seems like asking here about FTP problems between an FTP client and FTP server running in a VM. If service fails, it's server issue. El 19/02/18 a les 18:40, Sebastian Arcus ha escrit: > I've had this problem for almost a year now on one of my vm servers > running qemu/kvm with libvirt on Linux, With Windows 10 vms. Almost > every day, when users come to login remotely through RDP, they only get > a black screen and nothing else. I have to reboot the vm, and then > everything is fine. > > 1. CTRL+ALT+END in the rdp window doesn't bring up the Task Manager. > 2. I can still ping the vm. > 3. I can shut it down with virsh shutdown <vm_name> > > I have tried upgrading qemu and libvirt - I am now on qemu 2.10.2 and > libvirt 4.0.0. I have another vm server with virtually the same config, > and never have this problem. > > I've also tried changing the video from virtio to vga, and that didn't > make any difference. > > The server runs 2 Windows 10 vm's, has 12GB of ram and an Intel Core > i5-4460 cpu. > > I can't figure out how to narrow things down further - or even to figure > out if it is somehow caused by Windows, or by qemu/kvm. Any suggestions > are welcome. > > Below is my graphics config from libvirt (I've enabled VNC temporarily > to be able to get back in when RDP stops working): > > > <graphics type='vnc' port='5900' autoport='no' listen='0.0.0.0' > keymap='en-gb'> > <listen type='address' address='0.0.0.0'/> > </graphics> > <video> > <model type='vga' vram='32768' heads='1' primary='yes'/> > <address type='pci' domain='0x0000' bus='0x00' slot='0x02' > function='0x0'/> > </video> >