Probably there are more things to play with. The 5 hours reported in OSX make the "less than 2 hours" in Ubuntu look really bad. * On Ubuntu Intrepid Ibex working only with battery and with some power-saving settings : * 100% charged on OSX reports 5:30 time remaining MBP 5,1 - Battery duration on Ubuntu Intrepid Ibex What should one do to protect the battery from being damaged? Today the laptop didn't make it over 1 and a half hour :-( The above mentioned "changes" are not permanent/not saved. Am I right thinking that the "temp5" is the GPU's sensor indication and not the CPU as I read in some post (don't remember which post was that)? The fan(s) started to run like crazy (is it the GPU cooler or the processor's cooler) and the temp went after some minutes below 80.
The maximum I got yesterday was ~82 (a bit more/a bit less) while compiling several stuff and running lots of applications intentionally at the same time. Maybe the problem occurs when moving between OSX and Ubuntu via a reboot, which does not clear the NVRAM registers, but this is just a guess.
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With no software control of the fans, which is the case with the macbooks (fancontrol and pwmconfig does not work), the fan speed seems to be controlled automatically by the SMC without issues - but only if fan1_manual is zero.
So, for those that have reported high temperatures due to low fan speeds: check the value ofĬat /sys/devices/platform/applesmc.768/fan1_manual The fan immediately runs up to 6200 rpms, and then slowly returns as the CPU gets cooler. I watch the temperature reach 85 degC, then I switch fan1_manual back to zero, and abort the experiment. The temperature reaches 80 degC, but the fan speed stays at 2500 rpms. Now I switch the fan1_manual to one and repeat the process. After a couple of minutes, the fan speed slowly drops back to its idling value of 2500 rpms, leaving the CPU at 50 degC. The CPU temp very quickly drops to 60 degC. Now, I stop the compilation, turn the CPU governor to power save, and watch the sensors. At this point, the fan speed starts to increase, and after a while reaches the peak 6200 rpms. Checking with sensors, the CPU temp quite quickly reaches 80 degC.
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With fan1_manual set to zero, I put the CPU governor to full throttle, then start a kernel compilation. I will beg to differ with you though on who is dumber here.I just ran a little experiment on my MBA.
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Runs the same on Linux, Mac, Windows.Įnjoy your HTML, I will enjoy being lazy and support all browsers from a single code base.
Our web application works the same in IE 6 and Firefox 2.0 as it does in IE 8 and Firefox 3.5. We use Flex and have yet had to recode anything becuase of a browser version change. Do you really think everybody is going to all the vendors will get together and sing Kumbaya? Do you really think you will be able to code just one version of your really cool web app.? Time for a reality check. But so are those done by animated GIFsĪnd for those that think HTML 5 will solve world hunger ask yourself when the last time any browser vendor implemented an HTML spec completely, correctly and the same as every other vendor. Take a few minutes and Google for "Adobe Flex" and "Adobe Air" which are based on Flash. Wow, the level of ignorance concerning Flash from all of the 'Experts' out there.
Who cares about Flash? Most of the time it's used, it's because the web designers are too dumb or lazy to get the page right without it, because they haven't kept out with what a modern browser is capable of.
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