On 11/11/10 13:37, Russell Morris wrote:
> Hi,
>
>
>
> Thanks for the pointer! I tried this, but I get an error message, as
> follows ...
>
> *chardev: opening backent "stdio" failed*
>
> *qemu: could not open serial device 'stdio': Inappropriate ioctl for
> device.*

qemu command line?

David

>
>
>
> Thoughts?
>
>
>
> Thanks again!
>
>
>
> On Thu, Nov 11, 2010 11:22 AM, "David S. Ahern" <daahern@cisco.com> wrote:
>
> On 11/11/10 09:57, Mulyadi Santosa wrote:
> > On Thu, Nov 11, 2010 at 12:50, <qemu@rkmorris.us
> <qemu@rkmorris.us>> wrote:
> >> Hi,
> >>
> >> Is there a way to log / copy the console output (like the Linux
> boot info, if booting QEMU to Linux) to a file?
> >
> > I think you could consider booting Linux in serial console...then
> > start Qemu with -nographic. From there, everything will be spilled
> > right in your standart output. Then you can use your favourite method
> > to save the output...let's say using "script" command.
> >
>
> I use 'screen' and its logging capability (Ctrl-a H). Launch the VM with
> '-serial stdio -nographic' and have the guest console directed to ttyS0
> (console=ttyS0 kernel arg).
>
> David