re: kern/49838 (radeon drm2 kernel panic)

[matthew green <mrg%eterna.com.au@localhost>]

tnn%NetBSD.org@localhost writes:
> Synopsis: radeon drm2 kernel panic
> 
> State-Changed-From-To: feedback->closed
> State-Changed-By: tnn%NetBSD.org@localhost
> State-Changed-When: Tue, 20 Dec 2016 05:23:21 +0000
> State-Changed-Why:
> couldn't reproduce original problem in 10 tries, so marking as fixed

this is most likely the rbtree/lock problem Maya found.
from the original report:

> rb_tree_iterate() at netbsd:rb_tree_iterate+0x1a6
> drm_vma_offset_remove() at netbsd:drm_vma_offset_remove+0x2d


.mrg.