On Sat, Sep 14, 2013 at 9:11 PM, Ned Slider <ned at unixmail.co.uk> wrote: > On 14/09/13 16:23, Krishnan V wrote: > > Hi, > > I have an acer 5738g laptop on which i tried out the centos6.4 live CD. > > The laptop feels noticable hotter and i check the temperature using > > something like cat /proc/acpi/thermal_zone/. The temperatures are around > > 57-60 degrees when the laptop is just idling, ie, just the desktop and > the > > terminal window open. I install lm_sensors using yum and it installs > > successfully, but there is no noticable reduction in temperature. I have > > faced this same problem using different varities of gnu/linux > > distributions: slackware, lubuntu, mandriva and now centos. By a freak > > chance, i had a chance to run RHEL 5.4 and to my great surprise, the > > temperature at idling was 43, similar to Windows(which came as default). > In > > fact, the temperature control by rhel was what made me think of trying > > centos. I tried the lm_sensors configuration on rhel and it was not even > > able to load the correct modules, yet the temperature control was better. > > Now, i am not sure if lmsensors are for detecting temperatures only but > > also for cotrolling temperature. > > lm_sensors is indeed for monitoring only. Further, different drivers > will report different temps so you need to be very careful you are not > comparing apples with oranges. Even the same driver (e.g, coretemp) can > report different temps depending if it's an old version in el5 vs a > newer version in el6. Temperatures are generally relative so monitoring > is useful to see if the temp goes up or down, but don't necessarily take > the values as absolute. > Ok. thanks for the explanation. In my case, there was perceptible temperature difference. > > > I am also aware that this particular model is notorious for heating > > problems, and there are suggestions for cutting case for better air flow. > > However, i do not want to try this solution, but the temperature control > > by rhel gave me some hope! Posibly i am wrong. > > If anyone has a suggestion, or needs more information, pl. let me know. > > Generally newer distro's (and/or kernels) will have better power > management and thus should allow lower temps. I doubt running a LiveCD > is the best way to evaluate a distro's power management performance, > although I could be wrong. > I think you are right, however I had tried Lubuntu about a month back with no luck. I want to install only after i see some difference. Thanks for your response. > > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos >