Re: Calibrating delay loop... crashes

[Nguyen Thanh Binh <n_tbinh@yahoo.com>]

Hi Kevin,

> > When booting Monta Vista Linux on Memec board
> > (Virtex-4 FX12 LC), it crashed after printing the
> > following message:
> > 
> >     "Calibrating delay loop..."
> > 
> > By looking at the source code, I found that in the
> > init/main.c the problem came from the
> calibrate_delay
> > function: jiffies was not incremented (jiffies was
> > always equal to 0).
> > 
> > Have anyone get the similar problem or any
> experience
> > to fix it?
> 
> I take it that by "crashed", you mean it hung?  If
> so,
> it sounds like you aren't getting any timer
> interrupts.

You are right. Because jiffies was not incremented so
the below code segment in function calibrate_delay in
file init/mian.c hung:

   ticks = jiffies;
   while (ticks == jiffies) ;

As I am a newbie, I did not find how to fix it.

Thank you for any help.

Binh Nguyen

Nguyễn Thanh Bình


                
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