On Sat, Feb 14, 2009 at 7:42 PM, Frederic Weisbecker <fweisbec@xxxxxxxxx> 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 -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
