Am 20.03.2013 05:42, schrieb Carlos Hendson: > Hello, > > For last few weeks or so, I've been getting intermittent hard lock-ups > during the emerge of various packages. It appears the more compile > intensive the package, the more likely the lock-up. These lock-ups have > occurred under kernels 3.4.9 and 3.7.10 with gcc 4.5.4 and 4.6.3. > > Once the machine is in a frozen state, the only thing that responds is > the soft power reset button. Some times the machine lock-ups again > after the button is pressed (this is because the compile resumes once > the system comes out of it's frozen state). > > If the system subsequently lock-ups because I wasn't able to cancel the > compile fast enough only a only option left is a hard power reset (10sec > + hold power button). If I cancel the compile, the system is perfectly > responsive and functions normally. > > There are kernel stack traces in /var/log/messages which I'm unable to > decipher and diagnose as to what caused the lock-up. > > If I had to guess, I'd blame an incorrect setting in the .config, but > since I'm stuck in the diagnostic of what part of the kernel might be > experiencing the problem, I need a bit of help to pin point the issue. > > I believe it to be a kernel configuration issue because when I booted > the machine using a system rescue Live CD, I was able to chroot into the > system and emerge packages like gcc without the lock-up problem > occurring. > > That's by no means conclusive, however, I've also run a complete pass of > memcheck for over an hour without any issues reported. > > I'd like to completely rule out hardware failure, what diagnostic tools > tools are recommend to try identify potential hardware issue of this > type? > > The various kernel stack traces are attached in case someone wants to > take a look. I can provide more information should it be needed. > > Any help or advice would be appreciated. > > Regards, > Carlos you might just hit a thrashing situation. Linux is very bad when it comes to abusing swap in case of an emergency.
But it also sounds like overheating or a power problem. Power problems might be caused by the PSU - but it could also be the power circuitry of your mobo.
