Comment # 25
on bug 104082
from Christian König
(In reply to Andreas Kilgus from comment #24) > (In reply to Christian König from comment #23) > > Take a look at /proc/pagetypeinfo. There must at least be pages at order 9 > > or higher for an 2MB swiotlb allocation to succeed. > > OK, I had a look and if I got it right: memory fragmentation lets the malloc > fail. <nitpick>I still would not call that to "run out of memory" - there is > enough memory available, its current layout is just not in the desired > shape.</nitpick> ;) Yeah, correct. One interesting point is that this only seems to happen when DC is enabled, so that points to a possible memory leak there. Would be interesting to monitor amdgpu_gem_info if there are an increasing number of buffers around when DC is enabled.
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