Re: Crashing when using make with option -j.

[tom honermann]

On 3/18/2010 2:22 PM, Thiago C. Santini wrote:
> Yeah, that was my first thought when using -j, 8 processors each one 
> with hyper-threading should be optimized with 16 jobs but when testing 
> it I got better results with 32 jobs and that was working just fine 
> till last week, so I just sticked to it =p
>
> Is there anyway to find out if it really was a kernel panic? Like a 
> log or something? Any link to good tutorials about debugging a crash 
> are welcomed aswell :-) I guessed it was a kernel crash because even 
> the video signal was killed once(the screen wouldn't show anything at 
> all).
>
> The real problem is that the machine crashed when there was more than 
> one person working over ssh and I thought maybe someone was compiling 
> at the same time as me and that made too many jobs.
You may be falling victim to the kernel OOM killer 
(http://linux-mm.org/OOM_Killer)