On Thu, 8 Jan 2004, Sean Lazar wrote: > >> I have a Gateway 400SD4 laptop that I am having thermal issues with in > >> FreeBSD-CURRENT. The two-speed fan dosen't seem to come on. With ACPI on, > >> after the system has been running a little while and has warmed up, if I > >> turn off acpi with "acpiconf -d" the fan will kick on immediately. After > >> that the fan appears to behave normally, turning on and off when > >> necessary. > >> If the laptop boots warm with the fan on, it will shut off when it gets > >> cool but it won't come back on again. > > > >Output from sysctl hw.acpi would help. You can also play with values from > >0-2 for hw.acpi.tz0.active. That should manually turn the fan on at > >various speeds. > > > >-Nate > > very interesting, it dosen't want to turn on the fan: > > freebsd-5_2# sysctl hw.acpi.thermal.tz0.active=0 > hw.acpi.thermal.tz0.active: -1 -> -1 > freebsd-5_2# sysctl hw.acpi.thermal.tz0.active=0 > hw.acpi.thermal.tz0.active: -1 -> -1 > freebsd-5_2# sysctl hw.acpi.thermal.tz0.active=1 > hw.acpi.thermal.tz0.active: -1 -> -1 > freebsd-5_2# sysctl hw.acpi.thermal.tz0.active=2 > hw.acpi.thermal.tz0.active: -1 -> -1 > freebsd-5_2# sysctl hw.acpi.thermal.tz0.active=3 > hw.acpi.thermal.tz0.active: -1 -> 3 > freebsd-5_2# sysctl hw.acpi.thermal.tz0.active=6 > hw.acpi.thermal.tz0.active: 3 -> 6 > freebsd-5_2# sysctl hw.acpi.thermal.tz0.active=0 > hw.acpi.thermal.tz0.active: 6 -> -1 Your ASL has something strange. Your ThermalZone has an _INI method. Try the following patch: Index: sys/dev/acpica/acpi_thermal.c =================================================================== RCS file: /home/ncvs/src/sys/dev/acpica/acpi_thermal.c,v retrieving revision 1.35 diff -u -r1.35 acpi_thermal.c --- sys/dev/acpica/acpi_thermal.c 12 Jan 2004 17:59:10 -0000 1.35 +++ sys/dev/acpica/acpi_thermal.c 16 Jan 2004 18:21:53 -0000 _at__at_ -306,6 +306,9 _at__at_ AcpiOsFree(sc->tz_zone.psl.Pointer); bzero(&sc->tz_zone, sizeof(sc->tz_zone)); + /* XXX Call _INI if it exists */ + AcpiEvaluateObject(sc->tz_handle, "_INI", NULL, NULL); + /* Evaluate thermal zone parameters. */ for (i = 0; i < TZ_NUMLEVELS; i++) { sprintf(nbuf, "_AC%d", i); -NateReceived on Fri Jan 16 2004 - 09:23:05 UTC
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