On Tue, Nov 11, 2025 at 05:04:42PM +0800, Sébastien Bourdeauducq wrote: > On 11/4/25 8:11 AM, Mike Larkin wrote: > > to do this, change the dnprintfs in sys/dev/acpi/acpitz.c :: acpitz_refresh > > to be regular printfs and then read the dmesg output while the machine > > is running. then report back here what you see in dmesg. > > acpitz1: UAD0: refresh > acpitz0: TZ10: refresh > acpitz1: UAD0: refresh > acpitz1: passive cooling: lasttmp: 2900 tc1: 0 tc2: 0 psv: 2900 > acpitz1: enabling passive 2900 2900 > acpitz0: TZ10: refresh > acpitz0: passive cooling: lasttmp: 2900 tc1: 0 tc2: 0 psv: 2900 > acpitz0: enabling passive 2900 2900 > acpitz1: UAD0: refresh > acpitz1: passive cooling: lasttmp: 2900 tc1: 0 tc2: 0 psv: 2900 > acpitz1: enabling passive 2900 2900 > acpitz0: TZ10: refresh > acpitz0: passive cooling: lasttmp: 2900 tc1: 0 tc2: 0 psv: 2900 > acpitz0: enabling passive 2900 2900 > acpitz1: UAD0: refresh > > Thanks, > Sébastien >
seems like we are doing exactly what the AML tells us to do. Temperature is 290K and we enable passive cooling (eg, no fan) at 290K. does that number ever change if the machine gets hot? -ml
