On Tuesday, 22 of January 2008, Alexey Starikovskiy wrote: > Does revert of 93ad7c07ad487b036add8760dabcc35666a550ef helps? Yes, it does, thanks. > Rafael J. Wysocki wrote: > > On Tuesday, 22 of January 2008, Rafael J. Wysocki wrote: > >> Hi, > >> > >> It turns out that the following script (from openSUSE 10.3): > >> > >> ############################################################# > >> # triggers the ACPI fan(s) after resume. Since ACPI drivers > >> # have no suspend support, this is sometimes necessary. > >> # see http://article.gmane.org/gmane.linux.acpi.devel/16643 > >> kick-fan() > >> { > >> local FAN DUMMY STATE > >> for FAN in /proc/acpi/fan/*/state; do > >> [ ! -e $FAN ] && continue > >> read DUMMY STATE < $FAN > >> if [ "$STATE" = "on" ]; then > >> echo "kicking $FAN" > >> echo -n 3 > $FAN > >> echo -n 0 > $FAN > >> fi > >> done > >> } > >> > >> case $1 in > >> thaw|resume) > >> kick-fan > >> ;; > >> esac > >> > >> is necessary to make the fan behave appropriately after a resume from RAM > >> (I haven't checked resume from hibernation, but I guess the same thing happens) > >> on HP nx6325 with 2.6.24-rc8 (and with previous kernels probably too). > >> > >> It wasn't needed at one point, so something has regressed. Sigh. > > > > Ah, I didn't say that thermal management is completely busted after a resume > > if the fan is not kicked from the user land (using the above script). Usually > > the fan is 100% on (that corresponds to all ACPI "fans" being on), but once it > > had gone off and I was unable to turn it on by any means (including rising the > > temperature to a dangerous level). > > > > Greetings, > > Rafael > > - > To unsubscribe from this list: send the line "unsubscribe linux-acpi" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > > -- "Premature optimization is the root of all evil." - Donald Knuth - To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
