Re: [BUG] long freezes on thinkpad t60

Ingo Molnar
2007-05-24T14:44:55Z

* Miklos Szeredi <miklos@szeredi.hu> wrote:

> > CONFIG_EVENT_TRACE=y
> > CONFIG_FUNCTION_TRACE=y
> > # CONFIG_WAKEUP_TIMING is not set
> > # CONFIG_CRITICAL_IRQSOFF_TIMING is not set
> > CONFIG_MCOUNT=y
> >
> > does it boot with these?
>
> Nope. Same segfault. If I try to continue manually with 'init 5',
> then init segfaults as well :(

could you just try v2.6.21 plus the -rt patch, which has the tracer
built-in? That's a combination that should work well. You can pick it up
from:

http://people.redhat.com/mingo/realtime-preempt/

same config options as above. If you dont turn on PREEMPT_RT you'll get
an almost-vanilla kernel.

Ingo