[Bug 109389] memory leak in `amdgpu_bo_create()`

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=109389

--- Comment #7 from Czcibor Bohusz-Dobosz <czbd at o2.pl> ---
Created attachment 145288
  --> https://bugs.freedesktop.org/attachment.cgi?id=145288&action=edit
DRM/Radeon glxgears memleak log

Took a while to perform some more tests, and it turns out that running glxgears
with amdgpu also leaks memory - launching a hundred of glxgears instances leaks
about 400 megabytes, only freed after they are killed and the caches are
manually dropped with the command `echo 3 > /proc/sys/vm/drop_caches`.

Because glxgears does not need Vulkan support, it had also been possible for me
to confirm that the massive persisting leak is definitely caused by the amdgpu
driver - attached is a bcc memleak log of glxgears taken with the radeon
driver.

On a side note, launching vkcube seems to leak memory with the described call
at a very similar rate as well.

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