Hi, Roberto, please attach the acpidump output.
On Tue, 2012-12-04 at 13:57 +0100, Roberto Oppedisano wrote: > Hello, > with recent kernels after a suspend/resume cycle on my laptop (HP > 6730b) the fans stays at full speed. does the fan keep running at full speed after resume? please attach the output of "grep . /sys/class/thermal/*/*" before suspend and when the fan is running at full speed. please attach the same stuff in a good kernel. thanks, rui > I've bisected down to this commit: > > ce119f83257aae29b84a5bfad0669e8348437b18 is the first bad commit > commit ce119f83257aae29b84a5bfad0669e8348437b18 > Author: Zhang Rui <rui.zh...@intel.com> > Date: Wed Jun 27 14:13:04 2012 +0800 > > Thermal: Introduce simple arbitrator for setting device cooling state > > This fixes the problem that a cooling device may be referenced by > by multiple trip points in multiple thermal zones. > > With this patch, we have two stages for updating a thermal zone, > 1. check if a thermal_instance needs to be updated or not > 2. update the cooling device, based on the target cooling state > of all its instances. > > Note that, currently, the cooling device is set to the deepest > cooling state required. > > Signed-off-by: Zhang Rui <rui.zh...@intel.com> > Reviewed-by: Rafael J. Wysocki <r...@sisk.pl> > Reviewed-by: Eduardo Valentin <eduardo.valen...@ti.com> > > :040000 040000 8469b057ee5b33bdb264624db35c951d0ecdb66b > d7288437cff3c7437e59144c46c04c78669a597b M drivers > :040000 040000 397296161d55c825f07501470130928d226497cc > f715fd1770dd33fd333c5fa339e740537b2a916f M include > > I tried to revert it but there are rejects so I cold not try current > kernel with simply this commit removed. > > As a side note when the fan is at full speed a see an anomaly on thermal > indicator #4 > > $ grep 0 /sys/devices/virtual/thermal/thermal_zone*/temp > /sys/devices/virtual/thermal/thermal_zone0/temp:59000 > /sys/devices/virtual/thermal/thermal_zone1/temp:63000 > /sys/devices/virtual/thermal/thermal_zone2/temp:48000 > /sys/devices/virtual/thermal/thermal_zone3/temp:27900 > /sys/devices/virtual/thermal/thermal_zone4/temp:100000 > > while the others seem to report normal value. Attached the output of > dmesg on this laptop. > > More info/testing on request. > > Kind regards > R -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
