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<div class="moz-cite-prefix">Hi,<br>
<br>
no that is certainly not normal.<br>
<br>
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.<br>
<br>
How do you allocate the GTT space?<br>
<br>
Regards,<br>
Christian.<br>
<br>
Am 12.07.2018 um 17:50 schrieb sunnanyong:<br>
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<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US">Hi
All,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US">
When the gtt memory is used up, application continues to use
gtt , then the gtt will overflow,
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US">the
gtt available will be negative(cat
/sys/kernel/debug/dri/1/amdgpu_gtt_mm), and more system
memory is used as GTT, is it normal?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US">My
kernel is newest v4.18 master, I add “cma=0
amdgpu.gttsize=24576” in kernel boot cmdline.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US">Please
help, </span>
<span style="color:#1F497D" lang="EN-US">Thanks : )</span><span
style="color:#1F497D" lang="EN-US"><o:p></o:p></span></p>
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