Date: Mon, 8 Mar 2010 15:30:09 GMT From: Dan Naumov <dan.naumov@gmail.com> To: freebsd-amd64@FreeBSD.org Subject: Re: amd64/144551: ACPI issues on SuperMicro X7SPA-H Message-ID: <201003081530.o28FU9W2099677@freefall.freebsd.org>
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The following reply was made to PR amd64/144551; it has been noted by GNATS. From: Dan Naumov <dan.naumov@gmail.com> To: bug-followup@freebsd.org Cc: Subject: Re: amd64/144551: ACPI issues on SuperMicro X7SPA-H Date: Mon, 8 Mar 2010 17:21:14 +0200 A slight clarification to this text: "Sometimes powerd will work correctly for a minute or so, correctly adjusting the CPU frequency according to load, but in a very short time, the CPU will get stuck at 1666 Mhz permanently (until reboot)." What I ment was: enabling powerd in either hiadaptive or adaptive mode will eventually put the CPU to 1666 Mhz. However within a short timeframe, powerd stops downclocking the CPU when idle and the CPU stays at 1666 Mhz. If powerd is disabled after this, the CPU continues to stay at 1666 Mhz. The CPU isn't actually "stuck" at a specific clock per se (bad wording on my choice), but powerd kind of seems to be. If follow by starting powerd in min mode, it will change the frequence to the lowest possible succesfully. If I stop it and then restart again in hiadaptive or adaptive mode, the CPU again gets stuck at 1666 Mhz. - Dan
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