Am 13.07.2018 um 09:40 schrieb Michel Dänzer:
On 2018-07-13 09:00 AM, Christian König wrote:
Hi,
no that is certainly not normal.
We temporary allow the kernel to allocate more pages than available when
we bind stuff into the GART, but that shouldn't have this effect.
mgr->available can happen to be negative when amdgpu_gtt_mgr_debug is
called, can't it? I.e. we should clamp it to 0 there as well, same as in
amdgpu_gtt_mgr_usage (or maybe just use that for both values in
amdgpu_gtt_mgr_debug).
Yeah, but that happens only temporary while binding things into GART.
You must be really really lucky if you can see that in debugfs and from
the description it sounds more like the reporter sees negative values
all the time.
I really wonder how that could happen.
Christian.
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