----- Original Message ----- > From: "Cole Robinson" <crobinso@xxxxxxxxxx> > To: "Greg Sheremeta" <gshereme@xxxxxxxxxx>, virt-tools-list@xxxxxxxxxx > Sent: Wednesday, October 15, 2014 4:03:58 AM > Subject: Re: virt-manager -- unwatchable choppy performance using fullscreen flash in windows VM > > On 10/12/2014 10:05 PM, Greg Sheremeta wrote: > > Hey all, > > > > Using a high-end Fedora 20 host, I get very poor choppy performance running > > flash full-screen > > in a Windows VM. I need to use Windows due to DRM stuff > > (nflsundayticket.tv). I've tried > > different virtual graphics adapters, but nothing helps. Attempting > > 1920x1080. Flash 15. > > Using remote-viewer or virt-manager, spice, QXL is set to 64 MB RAM. > > > > Some googling suggests that QXL just can't handle 1920x1080 flash > > fullscreen. > > > > Using VirtualBox gives pretty flawless performance at 1920x1080. But I want > > to use > > virt-manager, of course :) > > > > I've also had success using VLC to stream the non-maximized flash player > > from the windows > > guest to the host, and then VLC scales up on the host (using host hardware > > acceleration, > > I'm sure). But this is a bit of a pain to manage. > > > > One option I've read about is passing through a graphics adapter. My host > > machine has > > my primary nvidia card, but it also has the onboard Intel adapter that I > > don't use. Maybe > > if I can pass this Intel card through, I'd get the performance I'm looking > > for. From what > > I can tell, this isn't quite ready for primetime. > > > > 1. Can someone update me on the status of graphics passthrough in > > virt-manager? > > Graphics passthrough only works with a small selection of graphics cards, and > requires latest upstream code. So if you're motivated you can get it to work > but it isn't trivial. There's some info here: http://vfio.blogspot.com/ Thanks. I'm not *that* motivated, yet :) > > > 2. Does anyone have any ideas other than passing through a card? > > Try virt-viewer to eliminate virt-manager from the equation. Aside from that, > ask on a spice specific list for more info. Same performance with virt-viewer, so it is spice. I asked on spice-devel. Thanks, Cole. Greg > > - Cole > _______________________________________________ virt-tools-list mailing list virt-tools-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/virt-tools-list
