[Bug 277476] graphics/drm-515-kmod: amdgpu periodic hangs due to phys contig allocations

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=277476

[email protected] changed:

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--- Comment #14 from [email protected] ---
FWIW, I definitely ran into what sounds just like this (with several different
cards, on both 515 and 61; 510 was always rock solid).  After a few days, I'd
sometimes get freezes lasting a minute or more.

A workaround that seems to work for me has been switching from the amdgpu to
the modesetting X driver; I still occasionally see little blips, but they
resolve and don't seem to pile up the way they did on amdgpu, even after months
of uptime.

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