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Re: [Xen-devel] Mini-OS and serial output

To: "Dietmar Hahn" <dietmar.hahn@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] Mini-OS and serial output
From: "Michael Frey" <lists@xxxxxxxxx>
Date: Mon, 9 Jul 2007 12:01:27 +0200 (CEST)
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, Keir Fraser <keir@xxxxxxxxxxxxx>
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Hi,

> You must build Xen with the VERBOSE flag switched on.
> This is done by make verbose=y (see Rules.mk)

Hm. Maybe I'm wrong, but doesn't Section 11.2 in the Xen User Manual say
that if you enable debug by make debug=y it also enables verbose=y
implicit?

My complete make options were:
"make verbose=y debug=y optimize=0 crash_debug=y  CMDLINE="console=com1
gdb=com1 earlygdb=y""

> You may have a look at xen/drivers/char/console.c
> In function do_console_io() you can see, that per default the hypervisor
> console calls from domU's are ignored.

I will have look at console.c

Thanks!
 Best Regards
   Michael


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