On Mon, Jun 01, 2026 at 07:53:15AM -0400, Donald Pellegrino wrote: > I can hard-freeze a system when Firefox is run with graphics > acceleration and WebRender enabled. The system becomes > completely unresponsive. The mouse pointer stops and > Ctrl+Alt+F1 does not switch consoles. I have to hard > power-cycle the machine. After reboot, fsck is required. [...] > This same hardware, config, and user workload had run reliably > for many months on OpenBSD 7.8. This issue appeared after the > upgrade from 7.8 to 7.9.
I've had intermittent hard crashes on my amdgpu machine too, starting at some point between 7.8 and 7.9 (and, at first, I ascribed it to another cause, so I didn't really note when it started happening). I now _think_ it's caused by programs -- including, but not only Firefox -- that use hardware acceleration (in my case e.g. Alacritty). Unfortunately I have absolutely no idea why and given how big amdgpu and friends are, debugging this must be a nightmare. If you have the ability to do so, you could bisect snapshots (e.g. using [1]) and see when the problem was introduced. If that narrows it down, it might make a big difference to fixing things. Laurie [1] https://ftp.hostserver.de/archive/
