2024-07-18, 03:23 AM
(This post was last modified: 2024-07-18, 03:26 AM by taliaferro.)
Thanks for the guidance -- I've rebooted the VM and made doubly sure that IOMMU is enabled on my machine (the devices all show up in
In addition, even with hardware transcoding turned on, playback works just fine with non-HDR content, so I think the GPU is properly being made available to the VM. (I'm glad, at least, that it's only HDR content causing problems!)
Are there more detailed troubleshooting steps I can try to make sure OpenCL is working correctly?
update: now this is interesting; once I set
Now it seems the player just sits there indefinitely without crashing as well, which is interesting.
/sys/kernel/iommu_groups on the host) but the problem persists.In addition, even with hardware transcoding turned on, playback works just fine with non-HDR content, so I think the GPU is properly being made available to the VM. (I'm glad, at least, that it's only HDR content causing problems!)
Are there more detailed troubleshooting steps I can try to make sure OpenCL is working correctly?
update: now this is interesting; once I set
amd_iommu=on in my kernel command line, the playback behavior didn't change -- but now that same OpenCL test from the documentation passes successfully...so maybe that *was* part of it?Now it seems the player just sits there indefinitely without crashing as well, which is interesting.