Jean Delvare <khali at linux-fr.org> writes: > David, > >> > There's a kernel driver named "IBM ThinkPad Laptop Extras", it's >> > probably that. Never used it, I can't tell what it does exactly nor how >> > useful and reliable it is. >> >> Thanks; I'll check that out. Do you happen to know how I can find out >> what an acceptable GPU temp is on this thing, and/or what I can do to >> keep it under control? > > No, sorry. I never had a Thinkpad laptop myself. Best is probably to > find someone else with similar hardware, and compare your numbers. I finally did; http://forum.thinkpads.com/viewtopic.php?t=25304&postdays=0&postorder=asc&start=0 is somewhat inconclusive. Sounds like the Apple MacBookPro heat debacle all over again, on a smaller scale. >> The vesa driver runs it at 60 Centigrade at >> idle, which is already hot. The ATI drivers all run it at 71 and >> above, which is scary (to me anyway). > > I'd say it's high, but not scary. 185 degrees Farenheit at idle doesn't worry you? Well, that's good to know. >> > No, don't worry. As long as you don't run sensors-detect >> >> Well, I did, before I found the admonition not to. And I recall at >> some point last week, long before I ran sensors-detect, seeing a >> message at boot that the EEPROM had been corrupted or something (!) I >> think I may have installed something from my XP partition that >> corrected it (although I don't specifically recall a BIOS update), and >> I don't recall seeing it recently. > > Nasty. These EEPROMs have a state machine bug which makes them > vulnerable, so other tools and OSes could corrupt it as well. However, > as far as I remember, the corruption cases that were reported to us > were fatal, in that the laptop would not boot anymore. Your case seems > to be different, but without additional details it's hard to come to any > conclusion. I'm going back over to the dark side briefly to recover things, and I'll install a BIOS update if necessary. I'm still at a point with this machine where I don't mind completely redoing my Linux install if I have to. >> > and/or load random i2c and/or hwmon drivers, nothing bad will >> > happen. Just installing the lm_sensors user-space tools doesn't >> > represent any danger. As far as I know, ksensors can use other data >> > sources than lm_sensors (ACPI, hddtemp...) so it may still work. >> >> Oh, then maybe I'll reinstall it; thanks! > > Make sure your system won't load related drivers for you at boot > time. Like what? > If you ran sensors-detect and let it create it's configuration file > (typically /etc/sysconfig/lm_sensors), the modules listed in that file > will be loaded at boot time, and you don't want this to happen. To be > safe, delete or blank that file. OK, will do, thank you very very much. -- Dave Abrahams Boost Consulting www.boost-consulting.com