<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)" href="https://bugs.freedesktop.org/show_bug.cgi?id=104082#c25">Comment # 25</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)" href="https://bugs.freedesktop.org/show_bug.cgi?id=104082">bug 104082</a> from <a class="email" href="mailto:ckoenig.leichtzumerken@gmail.com" title="Christian König <ckoenig.leichtzumerken@gmail.com>"> Christian König</a> <pre>(In reply to Andreas Kilgus from <a href="show_bug.cgi?id=104082#c24">comment #24</a>) > (In reply to Christian König from <a href="show_bug.cgi?id=104082#c23">comment #23</a>) > > 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.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>