On Sun, Apr 14, 2013 at 12:44:00AM +0300, Ville Syrjälä wrote: > On Sat, Apr 13, 2013 at 10:02:21AM -0600, Jake Edge wrote: > > Hi Zhang Rui, > > > > The problem reported in https://lkml.org/lkml/2012/12/4/428 (and > > incorrectly attributed to a suspend patch by me here: > > https://lkml.org/lkml/2013/4/12/314) still exists in 3.9-rc6, at least > > for my HP/Compaq 2510p laptop. It appeared that some folks were seeing > > some improvement with earlier 3.9-rcs (?) but I just tested rc6 and saw > > substantially the same behavior. This all works fine in <= 3.6.11. > > > > A brief recap: after resuming, the fan on the laptop spins up to full > > speed and stays there. "temp6" in "acpitz-virtual-0" (as shown by > > "sensors") is 100°C and stays there, which is presumably what is making > > the fan stay on. > > My HP Compaq NC6000 exhibits slightly different behaviour. For me the > reported temp is always accurate but the trip points get out of sync > with the actual temperature. > > With 3.7 I saw two different kinds of problems coming out of resume. > In one case the fan stays on until the temp rises high enough to get the > trip points back into sync. In the other case the fan goes off, and stays > off even when the temperature rises above the highest active trip point, > but it does appear to get back into sync when the temp starts to come back > down. I think the difference might stem from resuming when the laptop has > cooled down fully vs. when it's still warm. > > I also just tried 3.9-rc6, and that one appears to behave differently > to 3.7, but still wrong. There the fan goes off after resume, and comes > back on as the temperature rises, but it never slows back down after > that. > > I'll try to collect some more detailed dumps of all three cases.
I filed a new bug and attached all my logs: https://bugzilla.kernel.org/show_bug.cgi?id=56591 -- Ville Syrjälä [email protected] http://www.sci.fi/~syrjala/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
