Re: [Xen-devel] Printing debug message from hypervisor

[Grzegorz Miłoś <gm281@xxxxxxxxx>]

> > Which log are you looking at? Does 'xm dmesg' show anything more?
> dmesg dose'nt contain any of my messages!!!
I did really mean:
xm dmesg

> > > code it seems like we cant directly use printk, because the guest  
> > > checks the
> > > 'console I/O ring buffer after receving an event for the same from
> > > hypervisor ' .  I chekced the functions of drivers/char/console.c  
> > > and it has
> > > the funciton printk which is does generate the event for console I/ 
> > > O but the
> > > console.h
> > printk prototype is in lib.h (include/xen/lib.h)
> > Are you able to see _any_ output from the hypervisor at all? I don't
> > think printk in do_domctl will be any different.
> I get only the messages from xend and from xc_lib but none of the
> hypervisor printks' are getting printed.
> Atleast i dont know where they are getting printed?? Is it in the
> xenstore..i think not!!!
Xen can be configured to output it's messages on the serial line, and  
it also puts it in a buffer (console ring) for Dom0's attention, xm  
dmesg should print all the hypervisors output.
Cheers
Gr(z)egor(z)

> > Cheers
> > Gr(z)egor(z)
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