Re: udmabuf error with libvirt + QEMU

2022-02-01 Thread Peter Krempa
On Tue, Feb 01, 2022 at 14:27:55 +, M, Shivakumar wrote: > Hi, > > We are seeing an issue with udambuf, where it says "open /dev/udmabuf: No > such file or directory " even if the device exits. This issue particularly we > are seeing with libvirt. When we run the QEMU args on the command lin

Re: udmabuf error with libvirt + QEMU

2022-02-01 Thread Daniel P . Berrangé
On Tue, Feb 01, 2022 at 02:27:55PM +, M, Shivakumar wrote: > Hi, > > We are seeing an issue with udambuf, where it says "open /dev/udmabuf: No > such file or directory " even if the device exits. This issue particularly we > are seeing with libvirt. When we run the QEMU args on the command l

RE: udmabuf error with libvirt + QEMU

2022-02-01 Thread M, Shivakumar
Hi Daniel, You're right , /dev/udmabuf is required for GTK display for GL support. I agree passing the device using qemu:arg breaks the security confinement of Libvirt. For our use-case we need to have the GL support, is there any way to specify the GTK display option in the Libvirt XML ? or an