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2009 Sep 07
1
[PATCH] drm/nouveau: fix ref leak in nouveau_gem_pushbuf_validate()
...bug later triggered a BUG_ON() in
TTM cleanup during module unload, making nouveau.ko impossible to
unload. The relevant bug report:
https://bugs.freedesktop.org/show_bug.cgi?id=23741
This patch also includes Ben's cleanup fix in
nouveau_gem_pushbuf_validate(), where the current object ref and
reservervation would have not been cancelled, if cpu_writers test
failed.
However, this patch does NOT fix nouveau_gem_pushbuf_validate()
completely. The scenario described in the bug report now leads to X
server being stuck in uninterruptible sleep in ttm_bo_wait_unreserved().
Cc: Ben Skeggs <bskeggs a...