[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] I have used printk in some hypercall.But Dom0 can't be booted.

On Sat, Mar 31, 2012 at 2:15 PM, SuperWong <wang_nets@xxxxxxx> wrote:
> Hi all:
>    I wanted to record some information about some hypercalls and trace the
> hypercalls.So I have tried to add printk in the hypercall.But the Dom0 can't
> be *booted*.For example, I add printk at the beginning of do_set_trap_table.
> printk("<1>""HYPERCALL:do_set_trap_table");
> Why I can't add printk in hypercall?
> Does anyone know the reason and the solution?Thanks.

There's no way we can answer this question without the output of the
dom0 saying why it failed.

The best way to do this is to set up a serial console:


Xen-devel mailing list



Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.