From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 109955] amdgpu [RX Vega 64] system freeze while gaming
Date: Wed, 06 Nov 2019 10:23:39 +0000 [thread overview]
Message-ID: <bug-109955-502-yz981WlmBI@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-109955-502@http.bugs.freedesktop.org/>
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https://bugs.freedesktop.org/show_bug.cgi?id=109955
--- Comment #128 from haro41@gmx.de ---
Created attachment 145901
--> https://bugs.freedesktop.org/attachment.cgi?id=145901&action=edit
proposed fix for crashes, caused by frequent mclk level 0/1 switches
At least one of the causes for crashes, are more frequently, if vsync is
enabled.
In this case, memory clock levels are switched usually more frequently.
By experiments i found, that especially the transient betweeen level 1 and
level 0 is critical. The fact, that disabling memory level 0, helps as a
workaround, confirms: this approach points in the right direction.
Result of further experiments:
By sending a 'PPSMC_MSG_SetUclkDownHyst' message to smc (enabling a hysterese
feature ?), the crashes can be avoided, even with enabled mclk level 0 and
vsync activated.
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[not found] <bug-109955-502@http.bugs.freedesktop.org/>
2019-03-11 11:27 ` [Bug 109955] amdgpu [RX Vega 64] system freeze while gaming bugzilla-daemon
2019-03-22 20:01 ` bugzilla-daemon
2019-03-22 20:02 ` bugzilla-daemon
2019-03-22 20:02 ` bugzilla-daemon
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2019-05-24 12:24 ` sylvain.bertrand
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2019-07-07 17:41 ` sylvain.bertrand
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2019-07-24 14:55 ` sylvain.bertrand
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2019-11-06 2:46 ` bugzilla-daemon
2019-11-06 9:49 ` bugzilla-daemon
2019-11-06 10:23 ` bugzilla-daemon [this message]
2019-11-06 17:32 ` bugzilla-daemon
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2019-11-17 14:24 ` bugzilla-daemon
2019-11-17 17:13 ` bugzilla-daemon
2019-11-17 17:18 ` [Bug 109955] amdgpu [RX Vega 64] system freeze while gaming (VSYNC enabled) bugzilla-daemon
2019-11-20 7:52 ` bugzilla-daemon
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