On Sat, Feb 14, 2009 at 7:42 PM, Frederic Weisbecker <[email protected]> wrote:
>
> What I would suggest first is to enable the nmi watchdog to detect the 
> hardlockups,
> see Documentation/nmi_watchdog.txt
>

Seemed just the thing I was looking for.
I tried it with kernel parameter nmi_watchdog=1 as well as
nmi_watchdog=2  as per the above documentation, the count of NMIs in
/proc/interrupts was nonzero.
But nothing happened after 5secs of kernel hang.  Might be because of
the virtualized CPU provided by VMware to the guest OS.

So no progress...


> And enabling earlyprintk through the serial port, and keep it when the 
> console is
> set, this way you will see the printk messages through the virtual serial 
> line.
>
> As a parameter: earlyprintk=serial,ttyS0,115200,keep
>

This one was a good thing to learn.


-- 
Regards,
Sukanto Ghosh

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