Hi Christophe El lun, 23-10-2017 a las 14:29 +0200, Christophe Fergeau escribió: > Hey, > > On Mon, Oct 23, 2017 at 09:51:51AM +0200, Javier Celaya wrote: > > Hello list, > > > > Recently, we updated the Qemu version being used by flexVDI. We > > were > > using a pre-3.3 QXL device, so it did not provide the > > client_monitors_config callback and that message was getting > > through to > > the VDAgent, which in turn changed the resolution of the guest. > > This > > was working flawlessly both on Windows and Linux guests. > > > > With the new version (we are using qemu v2.6.0 from RHEV 7.3 and > > spice- > > server v0.12.8 from RHEL 7.4, with a couple of small changes), the > > client_monitors_config callback gets called. This works correctly > > on > > Windows guests, but on Linux guests (tested mainly with Fedora 25, > > stock vdagent and QXL Xorg driver, which are quite up to date) the > > following happens when a resolution change is requested by the > > client: > > - The new resolution is detected by the Xorg server, it can be seen > > with xrandr. > > - If the old resolution was a custom one, the display changes to > > the > > new one. > > - If the old resolution was a standard one (like 640x480, 1024x768, > > 1920x1080, etc), the display DOES NOT change to the new one. > > I have read quickly through the list archive but found nothing > > about > > this problem. Is there something we are missing? Something else we > > should be upgrading too? > > With client-monitors-config, the qxl-kms driver is going to notify of > resolution changes through a hotplug-mode-update drm property. It > then > needs cooperation from the window manager to react to this property > change. > See https://bugzilla.gnome.org/show_bug.cgi?id=711216 > and https://git.gnome.org/browse/mutter/commit/?id=9575132 > How are you triggering the resolution change to a standard > resolution?
Just changing the client's window size. I am testing with spicy. For instance, if I go fullscreen the guest will change to my monitor's resolution; then, it will not change again if I change the window resolution. However, I can see the current client's window size with xrandr. If I manually change to that resolution (xrandr --output blah --mode foo), then everything starts working again and the guest resolution changes with the window size. > Which window manager/desktop environment are you running in the VM? I am running KDE. In fact, I am testing with the Fedora 25 KDE Live iso, so you can test it too if you want. I am going to try with different environments, thanks for the advice. > Christophe -- Javier Celaya Chief Technology Officer javier.cel...@flexvdi.com +34 696 969 959 @j_celaya Legal Information and Privacy Policy
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