Re: [Qemu-devel] view qemu output/console

[Clemens Kolbitsch]

On Monday 24 September 2007 18:11:04 andrzej zaborowski wrote:
> On 24/09/2007, Johannes Schindelin <address@hidden> wrote:
> > On Mon, 24 Sep 2007, Clemens Kolbitsch wrote:
> > > when the kernel crashes, it displayes the message, however as it is way
> > > much more information that can be displayed in the qemu window, i only
> > > see the last 20-something lines. as the crash is fatal, no entries are
> > > made to the log-files and i have not succeeded redirecting output to my
> > > console (using the -nographic option) as my linux does not boot
> > > correctly then.
> >
> > If your host is not windows, you can use the "-monitor stdio" option to
> > output monitor information on the console you start QEmu in.
>
> AIUI Clemens wants to redirect the VGA console output, not QEmu
> monitor.

exactly...

> One idea is to dig out my ncurses interface patch (I believe 
> debian has a version that applies to post-9.0 qemu, and if you're on
> debian just use the "-curses" switch), then GNU screen would let you
> log all VGA console output to a file.

ok... i'll give it a try!! thanks :-)

> Another idea is to set a 
> breakpoint at the guest printk() address.

that was my first approach.. however as I don't have the uncompressed linux 
image, i don't know what to connect gdb to :-(

can i simply uncompress the kernel-file??