There is a thermal safety setting in the kernel somewhere ... it used to do this to me when a cpu heatsink came adrift ... but the cpu had to get quite hot to trigger it (was on an Intel core2) so it was ok until it tried to do real work ... instant off.
Try monitoring the temperature. Also, cpu thermal compound/tape can lose its effectiveness on older PC's as well as the usual dust puppies blocking cooling etc. Also, depending on how it is setup, Linux might be running just enough hotter than windows to trigger it. BillK On Tue, 2012-11-13 at 18:33 -0800, Willie wrote: > I think you might be on to something. Here in Vegas it gets to be > about 50 at night and I like to have my window open. That is when it > turns off the most. I have been using this computer for years with > Windows and Ubuntu Linux and this is the first time it has started to > happen. Do you know of any setting in Gentoo that I would need to > change for this? > > On Tue, Nov 13, 2012 at 5:10 PM, Dale <rdalek1...@gmail.com> wrote: > Willie wrote: > > > Hey Everyone, > > > > > > I have been dealing with this problem for awhile now. It > > seems that whenever I am in Linux my computer will just turn > > off. Not shutdown like I did "shutdown -r now". Just > > completely off out of the blue at random times. I have been > > reading the logs but there is nothing helpful at all. It is > > never the same thing on the logs when it does just shutdown. > > Sometime I can boot up and it will go off when it says > > "Waiting for udev events to finish" or something like that. > > > > > > I haven't done any major upgrades in awhile, there is really > > nothing different. I installed Windows last night to see if > > it is a hardware thing but nope it stays on. I also tried > > reinstalling Gentoo on a couple of occasions on another Hard > > Drive but it just shutdown while I was getting it done. > > > > > > Any help is greatly appreciated. I really don't want to be > > in Windows after I spent all that time customizing my XFCE4 > > desktop. > > > > > > -- > > > > Willie Matthews > > matthews.wil...@gmail.com > > > > > Do you have a setting somewhere that when a fan gets below a > certain speed it shuts down thinking the fan has failed? I > know on mine I have to turn that feature off, especially in > the winter. Sometimes my fans only turn at a couple hundred > rpms. The mobo sometimes thinks the fan has failed. It seems > to vary by brand as to what it does when this happens but I > suspect something in Linux not the BIOS itself. > > Since winders works, which is odd unto itself lol, then it has > to be some setting in Linux. I wouldn't think it would be the > kernel since it usually locks up instead of cutting off. Do > you have lm-sensors installed? I think it has the ability to > do this sort of thing. That would be IF this is causing the > problem to begin with. ;-) > > I'm sure you will get lots of ideas on this one tho. There > can be a lot of causes. > > Dale > > :-) :-) > -- > I am only responsible for what I said ... Not for what you understood > or how you interpreted my words! > > > > > -- > > Willie Matthews > matthews.wil...@gmail.com
