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<div class="moz-cite-prefix">Am 05.08.19 um 14:53 schrieb 孙南勇:<br>
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cite="mid:tencent_03E0C311B11B64CA539D74F7174F5059E008@qq.com">
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<div>Hi All,</div>
<div> Sometime dmesg show this log:</div>
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<div>[10407.720988] [drm:amdgpu_ctx_mgr_entity_fini [amdgpu]]
*ERROR* ctx 00000000189dec14 is still alive</div>
<div>[10407.721054] [drm:amdgpu_ctx_mgr_entity_fini [amdgpu]]
*ERROR* ctx 00000000189dec14 is still alive</div>
<div>[10407.721120] [drm:amdgpu_ctx_mgr_entity_fini [amdgpu]]
*ERROR* ctx 00000000189dec14 is still alive</div>
<div>[10407.721187] [drm:amdgpu_ctx_mgr_entity_fini [amdgpu]]
*ERROR* ctx 00000000189dec14 is still alive</div>
<div>[10407.721418] [drm:amdgpu_ctx_mgr_fini [amdgpu]] *ERROR*
ctx 00000000189dec14 is still alive</div>
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<div><br>
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<div>What are the side effects?</div>
<div>Does this error will occur GPU hung(such as gfx timeout)?</div>
<div>How to fix this?</div>
<div><br>
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<div>
<div>My kernel : 4.19.36</div>
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That is hopelessly outdated code, please try to switch something
newer and re-test.<br>
<br>
Christian.<br>
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<blockquote type="cite"
cite="mid:tencent_03E0C311B11B64CA539D74F7174F5059E008@qq.com">
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<div>Mesa: 18.3.6</div>
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<div>And I find that in amdgpu_ctx.c, the
function:amdgpu_ctx_mgr_entity_flush doesn't check the </div>
<div>ctx->refcount(the check is stopped in this patch:
<a class="moz-txt-link-freetext" href="https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=48ad368a8a3ab2fd3c2bc2ccccc6e29b1acda1bb">https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=48ad368a8a3ab2fd3c2bc2ccccc6e29b1acda1bb</a>)
, </div>
<div> why amdgpu_ctx_mgr_entity_fini still need
check ctx->refcount?</div>
<div>Can i stop check ctx->refcount in
amdgpu_ctx_mgr_entity_fini ?</div>
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<div><br>
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<div>Thanks!</div>
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