Date: Fri, 07 Dec 2018 19:35:16 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 233764] [amdtemp] does not recognize AMD A8-7600 temperature sensors Message-ID: <bug-233764-227-7Iz5Gqgx6X@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-233764-227@https.bugs.freebsd.org/bugzilla/> References: <bug-233764-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=233764 Conrad Meyer <cem@freebsd.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Version|11.2-STABLE |CURRENT --- Comment #12 from Conrad Meyer <cem@freebsd.org> --- (In reply to gosha-necr from comment #11) It seems like probably the HDD temperature can be inferred to be a floor. The CPU is unlikely to be cooler. As far as diagnosing, I am kind of stuck. Maybe these CPUs run with Tctl at some offset. But I don't know what the offset is. One more PCI read for you: pciconf -r pci0:0:24:3 0x64 This is "Hardware Thermal Control" and bits [22:16] tell us the "HtcTmpLimit." As the BKDG notes, the CurTmp value does not reflect an actual temperature, but rather: > Tctl is a temperature on its own scale aligned to the processors cooling > requirements. Therefore Tctl does not represent a temperature which could be > measured on the die or the case of the processor. Instead, it specifies the > processor temperature relative to the maximum operating temperature, Tctl,max. > Tctl,max is specified in the power and thermal data sheet. So maybe there is some relationship between Tctl,max and HtcTmpLimit. Or maybe we can find a power and thermal data sheet for 15h and find the correct offsets for A8-7600 / FX-8300. I bumped bug version to "CURRENT" because I don't believe there are any significant differences between amdtemp on 15h in 11.2 and on CURRENT. -- You are receiving this mail because: You are the assignee for the bug.help
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