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Re: [Xen-ia64-devel] Console investigation.

from [Alex Williamson] [Permanent Link][Original]
To: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-ia64-devel] Console investigation.
From: Alex Williamson <alex.williamson@xxxxxx>
Date: Tue, 13 Dec 2005 14:50:51 -0700
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   A little progress update.  With the patch in this message:

http://lists.xensource.com/archives/html/xen-devel/2005-12/msg00491.html

I can move xencons to use any reasonable ttyX or ttySX value.  On my
xen0 domain, I can add "xencons=ttyS8 console=ttyS8" which skips me over
the range of ttyS devices claimed by the 8250 serial driver (I'm leaving
out CONFIG_SERIAL_8250_ACPI to prevent having both xen and dom0 claim my
serial console UART, leaving the PCI UARTs).  Furthermore, I can boot
domU with the same trick, skipping over the 8250 claimed ports and
avoiding the conflict with CONFIG_VT.

   I guess maybe it's time to hide the serial console UART from dom0.
I'd really prefer some way that the hypervisor could do it
automagically, but I guess I'll settle for a boot time option.

        Alex

-- 
Alex Williamson                             HP Linux & Open Source Lab


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